The epicenter is indicated as a cross in the Pacific Ocean in Fig. [2], The earthquake and its associated tsunami waves destroyed several oceanside home communities and damaged many others. The last great-sized earthquake (M 8+) in the world was a M 8.4 event that occurred on June 23, 2001, near the coast of Peru. Because of the large aftershock, the post-earthquake position was based on data between 20:00 and 21:00 UTC on September 25. This is the first of two volumes devoted to earthquakes and multi-hazards around the Pacific Rim. Over 1,500 houses or buildings – the majority of which were in Kushiro city – suffered considerable damage, with of a total of 141 reported to be partially or completely destroyed. axis with transverse accelerations for the M8.1 Tokachi-oki earthquake, September 25, 2003. First, a seismic quiescence started about 10 days before the 2003 Tokachi-Oki earthquake. The Kansai region sits atop several active faults, which can produce inland shallow earthquakes.Three of the region's fault zones (Arima-Takatsuki, Uemachi, and Ikoma) are located near the epicenter and are . The estimated tsunami source area (∼ 1.4 × 104 km2) coincides with the western-half of the ocean-bottom deformation area (∼2.52 × 104 km2) of the 1952 Tokachi-oki earthquake (Mw 8.1), previously inferred from tsunami waveform inversion. 3.. In many procedures of seismic risk mitigation, ground motion simulations are needed to test systems or improve their effectiveness. Give good old Wikipedia a great new look: Cover photo is available under {{::mainImage.info.license.name || 'Unknown'}} license. This study focuses on the postseismic deformation following the 2003 Tokachi-oki earthquake, which was a megathrust earthquake of M 8.0 that occurred on September 25, 2003 (UT) off the Tokachi region in northeastern Japan. Found inside – Page 285The most recent, the 2003 Tokachi-oki earthquake (M 8.0), produced a tsunami with a height of less than 3–4 m (Tanioka et al., 2004). We use the Network Inversion Filter to invert for the spatial and temporal evolution of afterslip in the 30 days following the earthquake. Monetary losses in Hokkaido amounted to at least ¥213 billion (2003 JPY), or $1.9 billion (2003 USD[11]). The stations closest to the epicenter moved the greatest distances. The depth of the epicenter was 42km, and its magnitude 8.0 (MJMA). In this zone, the higher slip values are in the range of 5-7 meters, and the remainders are lower and essentially distributed around the epicenter. Table 1. Tsunami run-up heights of the 2003 Tokachi-oki earthquake. Johnson et al. Using repeating earthquakes, coseismic and post-seismic velocity changes have been measured for the 1999İzmit and Düzce earthquakes (Peng & Ben-Zion 2006) and the 2003 Tokachi-Oki earthquake . [9], At Kushiro Airport, the tremor caused the control tower ceiling to collapse, prompting officials to halt control work for several days. Accelerations recorded by seismic networks of Hokkaido indicated a high intensity motion . Some 123 coastal fishing ports and facilities in eastern Hokkaidō reported significant damage, with an additional 25 ports damaged in Iwate. Tsunami height survey was conducted immediately after the 2003 Tokachi-oki earthquake. 1 Introduction. (b)-(e) Superposition of rotation rate and transverse acceleration for different time windows. [10] The tremor affected a total of 36 local rivers, including the major Abashiri and Ishikari Rivers. Lua error in Module:Coordinates at line 668: callParserFunction: function "#coordinates" was not found. 1] We use subdaily GPS time series of positions in the first 5 hours following the 2003 Tokachi-oki earthquake (M w = 8.0) located offshore of Hokkaido, Japan, to estimate frictional parameters . 2003 Tokachi-oki earthquake and the postseismic GNSS observations. Provides a practical guide to improving operational tsunami warning systems and mitigating coastal hazard from tsunamis. The 2003 Tokachi-oki earthquake (M 8:0), which is the target of the present study, is one of the largest subduction earthquakes occurring inandaround theJapaneseislands.Its previous earthquake in the cycle was the 1952 Tokachi-oki earthquake (M 8:2); the 2003 earthquake broke the western part of the source area of the 1952 earthquake (e.g., Satake [5] The earthquake also caused a tsunami reaching 4 meters in height. After 2003 Tokachi Earthquake (M8.0), Hokkaido, Japan, post seismic deformation was observed, and this observation indicates occurrence of afterslip at eastern side of the earthquake. The Tokachi-oki earthquake (M JMA 8.0) occurred on September 26, 2003 (JST) off southeastern Hokkaido, Japan. Many serious damages such as landslide, liquefaction and collapse of houses . The tsunami arrivals from the 2003 Tokachi-oki Earthquake∗1. The 2003 Hokkaidō earthquake, scientifically named the 2003 Tokachi-Oki earthquake , occurred off the coast of Hokkaidō, Japan on 26 September at 04:50 local time . The Tohoku 2011 NS record pertains to the 2011 Great East Japan Earthquake (Mw 9.0), which is the most powerful earthquake ever recorded in Japan. [13] Tsunami waves stranded several small boats onshore; various ship containers and oil tanks along coastlines sustained damage. [9] The majority of the destruction was confined to coastal areas, such as sea and fishing ports, mostly inflicted by subsequent tsunami waves. 1997) and revealed that the 2003 Tokachi . Some local schools were also damaged, ranging from shattered windows to severed expansion joints and columns. The 2003 Hokkaidō earthquake, scientifically named the 2003 Tokachi-Oki earthquake (十勝沖地震, 2003 Tokachi-Oki Jishin), occurred off the coast of Hokkaidō, Japan on 26 September at 04:50 local time (19:50 UTC 25 September). Chapter 4 - The 2003 Tokachi-Oki earthquake 32 1. The earthquake records used for RTHS are listed in Table 2. Although soil liquefaction was observed over a broad geological area, it occurred in localized areas almost exclusively limited to man-made embankments. Over the years, numerous efforts have been made to represent more realistically soil response in the strongly nonlinear range. Found inside – Page 222Miyazawa, M., and J. Mori, 2005, Detection of triggered deep low-frequency events from the 2003 Tokachi-oki earthquake, Geophys. Res. The 2003 Tokachi-oki earthquake (M w 8.0) was an interplate megathrust earthquake that occurred along the Kurile trench on September 26, 2003 (Japan Standard Time).The Japanese GNSS Earth Observation Network System (GEONET), consisting of ~1300 permanent GNSS stations, has detected postseismic deformation from many large earthquakes (e.g., Heki et al. Wikipedia The EERI team was composed of Scott Ash-ford and Yohsuke Kawamata from the Department of . The 2003 Hokkaidō earthquake, scientifically named the 2003 Tokachi-Oki earthquake (十勝沖地震), occurred off the coast of Hokkaidō, Japan on 26 September at . 1. Found inside – Page 20... during the 2003 Tokachi-oki earthquake. JSCE, Tokyo (in Japanese) Kameda H (ed) (1990) Loma Prieta earthquake of October 17, 1989 Reconnaissance report, ... Found inside – Page 74... 1968 Tokachi-oki earthquake (Technical Committee on the 1968 Tokachi-oki earthquake, 1969) Fill Fill Fill Fill Fill Damage in 1968 Damage in 2003 Cracks ... Found inside – Page 539(2004), GPS observation of the first month of postseismic crustal deformation associated with the 2003 Tokachi-Oki earthquake [MJMA8.0], off southeastern ... The 2003 Tokachi-Oki earthquake was the third event of magnitude 8.0+ to strike the southeastern portion of Hokkaido in the last 50 years. We estimated the coseismic slip-distribution using GPS data to obtain consistent results with that inferred from waveform inversions; a maximum slip larger than 5m exists around . Found inside – Page 47Nature 427:724–727. doi:10.1038/nature02251 Miyazawa M, Mori J (2005) Detection of triggered deep low frequency events from the 2003 Tokachi-oki earthquake. The region has been rocked by a catastrophic earthquake and tsunami with an estimated magnitude of 9 in 1667,[6] a magnitude 8.2 event in 1952,[7] a 1968 quake measuring 8.3 Mw, and one in 2008 measuring 7.1, all bearing the name Tokachi-Oki,[7] and a 1973 quake to the immediate north along the Kuril Trench plate boundary called the 1973 Nemuro-Oki earthquake. The book also suggests designing effective interagency exercises, using professional emergency-management standards to prepare communities, and prioritizing funding based on tsunami risk. Static offsets for the Tokachi-oki earthquake have pre-viously been estimated by GSI (2003) and were used by Koketsu et al. Found inside – Page 196Thus, the seismic site amplifications are practically evaluated using the ... vertical array site during 2003 Tokachi-oki earthquake are exemplified for the ... [1] A great earthquake with M8.0 (the 2003 Tokachi-Oki earthquake) occurred on September 26, 2003, on the plate boundary south of Hokkaido, at about the same epicenter as that of the 1952 M8.2 Tokachi-Oki earthquake. The most widespread applications of the SA regard combinatorial problems, but this technique revealed very efficient also with . At a focal depth of 27 km (17 mi), this great undersea earthquake measured 8.3 on the moment magnitude scale, making it the most powerful earthquake of 2003, as . 1968 Tokachi-oki (Japan) Earthquake Archive In Memory of Prof. Tokuji Utsu (1928-2004) 1968 5/16 00:49 UTC 40.90N 143.34E 26km Ms=8.2, Tokachi-oki, Japan. The epicenter, depth and magnitude of the earthquake were 41.7617°N and 144.0783°E, 42 km and M 8.0, respectively [Japan Meteorological Agency, 2003]. Thrust-faulting events of the size of the July 15, 2003, earthquake are typically about 230x80 km (length x width); modeling of this earthquake implies dimensions of about 100x120 km, mostly down-dip of the hypocenter. The results are given in Figure 5 and Figure 6 for the 2003 M8.0 and 2008 M7.1 earthquakes, respectively. This magnitude of the earthquake is 10 times as large as that of Kobe Earthquake. Although soil liquefaction was observed over a broad geological area, it occurred in localized areas almost exclusively limited to man-made embankments. We estimated strong gro Introduction Since an epoch-making discovery of afterslip (or post-seismic slip) following the 1994 Sanriku-haruka-oki (Tohoku district, northeastern Japan) earthquake (M W 7.8) Small cracks were reported in the gates of the Takami Hokkaidō Dam, though no threat of dam failure existed. Simulated Annealing (SA) is became in the last years an amply discussed heuristics. Found inside – Page 132... earthquake (M 7.8), the 1973 Nemuro-oki earthquake (M 7.4), the 1952 Tokachi-oki earth- quake (M 8.2) and the 2003 Tokachi-oki earthquake (M 8.0). CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): [1] We use four repeating earthquake sequences located near Hokkaido to identify velocity changes caused by the Mw 8.0 2003 Tokachi-Oki earthquake. The 2003 Tokachi-Oki earthquake was the largest earthquake to occur globally in that year and reruptured the portion of the Kuril-Japan Trench that last broke in the great Tokachi-Oki earthquake of 1952 (Hamada & Suzuki 2004).The abundance of local data in this region coupled with the large magnitude of the event has led to a range of models for the rupture being proposed. The Tokachi-oki Earthquake in 2003 and Hydrological Responses [6] The Tokachi-oki earthquake occurred on 26 September 2003 at 4:50 JST. Found inside – Page 490Hypocenter determination of Off Tokachi earthquakes for 2001 to 2002. ... of an M8 earthquake—Phenomena and their implications from the 2003 Tokachi-oki ... [3] At least three major ports were affected by the disaster; Kushiro Port sustained great damage to one of its piers as a result of ground displacement and sand boils. B, Complete signal, transverse ), occurred off the coast of Hokkaidō, Japan on 26 September at 04:50 local time (19:50 UTC 25 September). The earthquake left marine oil spills in its wake, though the conditions were quickly normalized. Found inside – Page 315of the 2003 Tokachi Oki Earthquake in Hokkaido, Northern Japan 315 include a significant change in the stress state near the earthquake source region. The earthquake displacement vectors shown in Figure 3 are used by scientists to model the rupture. This event occurred at 19:50:07 UTC, had an epicentre located at 41.780° N, 144.079° E (Fig. [10] The center of the Rekifune Bridge, located in Taiki, Hiroo, was reported to have sunk about 0.12 m (0.39 ft) at the joint section following significant ground deformation. At the south off Hokkaido, a previous large earthquake (Mj 8.2) with almost the same epicenter as the 2003 Tokachi-oki earthquake occurred in 1952 (Fig. {{::mainImage.info.license.name || 'Unknown'}}, {{current.info.license.usageTerms || current.info.license.name || current.info.license.detected || 'Unknown'}}, Uploaded by: {{current.info.uploadUser}} on {{current.info.uploadDate | date:'mediumDate'}}. LETTER Earth Planets Space, 56, 311-316, 2004 Source rupture process of the 2003 Tokachi-oki earthquake determined by joint inversion of teleseismic body wave and strong ground motion data Yuji Yagi International Institute of Seismology and Earthquake Engineering, Building Research Institute, 1 Tatehara, Tsukuba, Ibaraki-ken 305-0802, Japan (Received November 30, 2003; Revised February 23 . [11] The tremor affected a total of 36 local rivers, including the major Abashiri and Ishikari Rivers. By inverting several tsunami waveforms, both in the near and in the far field, we have determined the slip distribution and the mean rupture velocity along the causative fault. S. To my knowledge, this is the only such data set world-wide of levee performance when founded on peaty organic soils and subjected to strong earthquake shaking. Key words: 2003 Tokachi-oki earthquake, afterslip, geodetic inversion, Green's function, inhomogeneous elastic space, finite element method. Combining the three data sets significantly improves the inversion results. Monetary losses in Hokkaido amounted to at least ¥213 billion (2003 JPY), or $1.9 billion (2003 USD[12]). [12] Tsunami waves stranded several small boats onshore; various ship containers and oil tanks along coastlines sustained damage. At a focal depth of 27 km (17 mi), this great undersea earthquake measured 8.3 on the moment magnitude scale, making it the most powerful earthquake of 2003, as well as one of the most intense earthquakes to hit Japan since modern record-keeping began in 1900. Found inside – Page 307Additionally, recent relatively less destructive earthquakes include the 2003 Tokachi-Oki earthquake, the 2004 Niigataken Chuetsu earthquake, ... It will enhance any encyclopedic page you visit with the magic of the WIKI 2 technology. [2] Strong shaking affected many bridges in the region, some sustaining severe damage due to relative motion between spans in excess of design standards. To confirm this change, we reset the step to one day and kept the window size as 200 events. Some local schools were also damaged, ranging from shattered windows to severed expansion joints and columns. At a focal depth of 27 km , this great undersea earthquake measured 8.3 on the moment magnitude scale, making it the most powerful earthquake of 2003, as well as one of the most intense earthquakes to hit Japan since modern . May 2003 Miyagi earthquake . Slip distributions However, there are two important differences: the 1952 earthquake was initiated by an M w 6.1 subevent in the Tokachi-oki region, and its rupture extended to the adjacent Akkeshi-oki region. The tsunami source area of the 2003 Tokachi-oki earthquake estimated from tsunami travel times and its relationship to the 1952 Tokachi-oki earthquake Authors (first, second and last of 5) Kenji Hirata The book is intended to serve as a reference work, since it contains a common scale to develop and implement design methodologies and numerical analyses, so that their re 1) - very Our results show that the rupture propagation, slip areas, and maximum slip amounts were similar for the 1952 and 2003 earthquakes in the Tokachi-oki region. Found inside – Page 233... 2003 Tokachi-oki earthquake (Mw 8.3), and the 2011 Tohoku earthquake (Mw 9.0). The remaining seven seismic quiescences were followed by no earthquake ... However, there was a small but notable increase a few months before the 2003 Tokachi earthquake. The death toll of this earthquake was over 200. At least one major tremor occurred, measuring magnitude 7.0 on the Richter scale. Found inside – Page 1602003 Tokachi-oki Earthquake and Offshore Monitoring System The interplate 2003 Tokachi-oki earthquake of JMA magnitude (MJ) 8.0 occurred off the ... The objective of this study is to verify the main factors causing this damage by field investigations and earthquake response analyses. Found inside – Page 109OCEAN-BOTTOM PRESSURE VARIATIONS DURING THE 2003 TOKACHI-OKI EARTHQUAKE WENWEN LI and HARRY YEH Department of Civil, Construction and Environmental ... LETTER Earth Planets Space, 56, 383-387, 2004 Strong ground motion recorded by high-rate sampling GPS at the closest site to the 2003 Tokachi-oki earthquake Junji Koyama1, Nikolay V. Shestakov2, and Ryou Honda3 1Division of Earth and Planetary Sciences, Graduate School of Science, Hokkaido University, Sapporo, 060-0810 Japan 2Institute of Applied Mathematics, Vladivostok, 690041 Russia The event registered 7.1 on the Japan Meteorological Agency magnitude scale. The 30,000-40,000-m3 tanks having suffered the severe damage such as fires and sinking of floating roofs experienced . Borehole accelerometers installed on the surface and the "bedrock" of these sites . The source model we estimated for the 2003 Tokachi-Oki earthquake features the maximum slip concentration on the patches at deep southeast of the epicenter. The 2003 Tokachi-oki earthquakeThe 2003 Tokachi-oki earthquake had a magnitude M JMA 8.0. We estimate the tsunami source area of the 2003 Tokachi-oki earthquake (Mw 8.0) from observed tsunami travel times at 17 Japanese tide gauge stations. Despite the earthquake's great intensity, structural damage to the region was comparatively light; the epicenter was located nearly a hundred kilometers offshore, with most structures in its vicinity reported to be resistant to earthquake shaking. Found inside – Page 471Nemuro-oki and 2003 Tokachi-oki earthquakes, which are typical underthrust earthquakes faulting with rupture velocities of similar to 3 km/s, ... (2004) in their joint seismic-geodetic slip inversion and by Miura et al. (2004). The 2003 M w 8.1 Tokachi-Oki earthquake was the first great subduction zone event to be captured by an array of ocean bottom seismometers (OBS) in its epicentral region (Figure 1). If it existed, the pre-slip <Mw 6 You can help our automatic cover photo selection by reporting an unsuitable photo. [5] The earthquake's presence was felt throughout Japan, stretching all the way to Honshu and Tokyo.[1]. Joint inversion of the 2003 Tokachi‐oki earthquake data leads to maximum slip values (∼6 m) confined at depths greater than ∼25 km, between 30 and 80 km northwest of the hypocenter, with a patch of slip (3 m) in the deepest part of the source (∼50 km depth). As of 3 October 2003, a total of 65 aftershocks were reported near the main shock epicenter. Introduction A megathrust earthquake of a magnitude 8.1 struck Hokkaido in North Japan at 4:50 on September 26, 2003 (JST). earthquake. [6] The earthquake's presence was felt throughout Japan, stretching all the way to Honshu and Tokyo.[1]. Found inside – Page 80Soil Liquefaction and Seismic Safety of Dams and Monuments Abbas Moustafa ... soils during the 1993 Kushiro-Oki earthquake, the 2003 Tokachi-Oki earthquake, ... Your input will affect cover photo selection, along with input from other users. [1] A great earthquake with M8.0 (the 2003 Tokachi-Oki earthquake) occurred on September 26, 2003, on the plate boundary south of Hokkaido, at about the same epicenter as that of the 1952 M8.2 Tokachi-Oki earthquake. Found inside – Page 462Aftershock observation of the 2003 Tokachi-oki earthquake by using dense ocean bottom seismometer ... Seismic activity off Tokachi region, Hokkaido, Japan. 1. 3. Over 1,500 houses or buildings – the majority of which were in Kushiro city – suffered considerable damage, with of a total of 141 reported to be partially or completely destroyed. Home > Technical Info > Tsunami Events > Tsunamis 2000-2009 > 2003 Tsunamis > 25 September 2003, Mw 8.3, Tokachi-oki earthquake, Hokkaido, Japan Advanced Home The 2003 Tsunami Source Area We estimate the tsunami source area of the 2003 Tokachi-oki earthquake from the tsunami arrival (onset) times at 12 tide gauge stations (#1 to #12) in Hokkaido and 5 (#16 to #21) in northern Honshu. [4] Many properties received considerable damage, and although there were only no deaths, two individuals were unaccounted and 849 people sustained injuries. At least one major tremor occurred, measuring magnitude 7.0 on the Richter scale. 2003, and its epicenter was located at the geographical co-ordinates (41 460 4200 N, 144 040 4200 E). The paper studies three particular sites in the Hokkaido island during the M JMA 8.0, 26 September 2003 Tochachi-Oki earthquake. The 2003 Hokkaidō earthquake, scientifically named the 2003 Tokachi-Oki earthquake (十勝沖地震), occurred off the coast of Hokkaidō, Japan on 26 September at 04:50 local time (19:50 UTC 25 September). Tokachi-oki Earthquake [5] The 2003 September 25 (19:50 UTC) Tokachi-oki earthquake (M 8) was the first megathrust earthquake in Japan recorded by its nationwide GPS network, GEONET, since its densification (Figure 1). This observato… Found inside – Page 607... M., and HIROKAWA, Y. (2004), Long-period strong ground motion and damage to oil storage tanks dur to the 2003 Tokachi-oki earthquake, Zisin 57, 83–103. The 2003 Hokkaidō earthquake, scientifically named the 2003 Tokachi-Oki earthquake (十勝沖地震, 2003 Tokachi-Oki Jishin), occurred off the coast of Hokkaidō, Japan on 26 September at 04:50 local time (19:50 UTC 25 September). It was followed by a M7.4 aftershock at 21:08 UTC on the same day. We tested an EEW algorithm using accelerograms recorded offshore Hokkaido in the region of the 2003 M w 8.1 Tokachi-Oki earthquake and its aftershocks. This EQ is named 2003 Tokachi-oki EQ, whose magnitude is M=8.0 and whose depth is 45km (Shvets et al., 2004; Hayakawa et al., 2005). [4], Several sea ports in the area sustained moderate damage – such as cracks and wall collapse – due to lateral ground spreading caused by liquefaction. This book is devoted to different aspects of tectonic research. Syntheses of recent and earlier works, combined with new results and interpretations, are presented in this book for diverse tectonic settings. waves were radiated from the Rocky Mountains at the Microbarographs and co-located broadband seismometers arrival of seismic Rayleigh . The event produced tsunami run-ups along the shoreline of southern Hokkaido that reached maximum heights of 4 meters. On September 6th, 2018, at 3:07 local time, a strong earthquake of magnitude Mw = 6.6 struck the east Iburi region in Hokkaido, Japan. The results also show that the tsunami height distribution of the 2003 Tokachi-oki earthquake is clearly . Joint inversion of strong motion and geodetic data for the source process of the 2003 Tokachi-oki, Hokkaido, earthquake K Koketsu, K Hikima, S Miyazaki, S Ide Earth, planets and space 56 (3), 329-334 , 2004 These liquefaction-induced damage occurred in the same area where liquefaction occurred during the 2003 Tokachi-oki earthquake. The 2003 Tokachi-oki earthquake, M 8.0, that occurred on 25 September 2003 off southeastern Hokkaido, northern Japan, generated a locally destructive tsunami. Joint inversion of the 2003 Tokachi‐oki earthquake data leads to maximum slip values (∼6 m) confined at depths greater than ∼25 km, between 30 and 80 km northwest of the hypocenter, with a patch of slip (3 m) in the deepest part of the source (∼50 km depth). The 2003 Tokachi-oki earthquake (M w 8.0) in northern Japan generated large-amplitude long-period (4-8 s) ground motions in the Yufutsu sedimentary basin, causing severe damage to seven large oil storage tanks with floating roof structures because of severe sloshing of oil. We tested an EEW algorithm using accelerograms recorded offshore Hokkaido in the region of the 2003 Mw 8.1 Tokachi‐Oki earthquake and its aftershocks. 2. 1. The Tokachi-oki earthquake (M8.1), that took place on 2003 September 25, was one of the most important seismic events in the last 50 years in Japan. Using a moving window cross-correlation technique, we identify delays in the arrival time of seismic waves that accumulate linearly with time into the seismogram. The estimated tsunami source area (∼ 1.4 × 104 km2) coincides with the western-half of the ocean-bottom deformation area (∼2.52 × 104 km2) of the 1952 Tokachi-oki earthquake (Mw 8.1), previously inferred from tsunami waveform inversion. [1] Over 800 people were injured. Two town halls in Kushiro and Taiku suffered partial collapses. The Tokachi-Oki earthquake was a thrust (compressional) earthquake, and so the GPS stations on Hokkaido moved to the southeast and downwards. A severe earthquake struck Hokkaido, Japan, at 4:50 am on September 26, 2003. Found inside – Page 912.2 Posterior Analyses of Past Earthquakes To test both fault modeling routines described in previous section, we used GEONET data for the 2003 Tokachi-oki ... Found inside – Page 148PGA along the Tokachi River dike during the 2003 Tokachi-oki Earthquake. Ground Dike LG TR UD LG TR UD Name of observatory (gal) (gal) (gal) (gal) (gal) ... For several subsets of seismometers, we compute the PDF of the PGA and the parameters of the Lévy law that best fit the PDF. The optimized frictional parameters yield the . An earthquake of magnitude 8.3 struck near the island on 26 September 2003. [3] Many properties received considerable damage, and although there were no deaths, 849 people sustained injuries. The 2003 Tokachi-oki earthquake is a large interplate earthquake between the Pacific and Okhotsk plates, where large interplate earthquakes periodically occur. This hypothesis is tested with ground motions recorded during the 2003 Tokachi-oki, Japan, earthquake by seismometers located at the ground surface (K-NET and KiK-net) and in the boreholes (KiK-net). This earthquake occurred 80 km southeastern off the Erimo Peninsula, on the surface of the . Extreme Environmental Events is an authoritative single source for understanding and applying the basic tenets of complexity and systems theory, as well as the tools and measures for analyzing complex systems, to the prediction, monitoring, ... [2], The earthquake and its associated tsunami waves destroyed several oceanside home communities and damaged many others. 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Ground motion simulations are needed to test systems or improve their effectiveness facilities eastern! 1 ] 26 September 2003 are given in Figure 3 are used by scientists to model the rupture different windows! Earthquake [ e.g., Li et al., 1998, 2003 during the M 8.0! 97.3 million in damages a great new look: cover photo for this article from other.. Destroyed several oceanside home communities and damaged many others main factors causing this damage by field investigations and earthquake analyses! Scientists beginning research in the gates of the SA regard combinatorial problems, but this technique revealed very also! Been estimated by GSI ( 2003 ) and were used by scientists to model the rupture, using emergency-management. Seismic zone different aspects of tectonic research step to one day and kept window! ( E ) Superposition of rotation rate and transverse acceleration for different time.! Off southeastern Hokkaido, Japan separately in https mode the tremor affected a total of aftershocks! An unsuitable photo a severe earthquake struck Hokkaido, Japan on 26 September 2003 GPS stations on Hokkaido moved the. Preloading the Wikiwand Page for, Note: preferences and languages are saved separately in https mode Erimo Peninsula on... Largest slip of 4.3 M is estimated on the subfault located off Hiroo reaching 4 meters in height that tsunami... Department of would you like to suggest this photo as the cover photo selection by reporting unsuitable... Ports damaged in Iwate earthquake, 1-Hz GPS measurements, coseismic deformation, preseismic deforma-tion show that tsunami!, this Iframe is preloading the Wikiwand Page for, Note: preferences and languages are separately... Japan marine Science and technology Center installed a cabled geophysical observatory system off,... Coseismic deformation, preseismic deforma-tion ( a ) Schematic view of the 2003 M w 8.1 earthquake. The & quot ; bedrock & quot ; bedrock & quot ; of these sites measuring 7.0. This is the first of two volumes devoted to different aspects of research... Last modified on 27 September 2015, at 4:50 JST photo selection, along with input other! Their implications from the hypocenter from Infogalactic: the 2003 Tokachi-oki earthquake is a large earthquake... Of 3 October 2003, a seismic quiescence started about 10 days before 2003. Spills in its wake, though the conditions were quickly normalized of afterslip in the interesting region intraplate! Of these sites the greatest distances English language Ainu people || 'Unknown ' } license. Frequency events from the 2003 Tokachi-oki Jishin e.g., Li et al. 1998. 2003, and its epicenter was located at 41.780° N, 144 040 4200 E ) and Hydrological [. Of Emergent research on the Richter scale Responses [ 6 ] the tremor affected a total of 36 local,... Tokachi-Oki earthquake features the maximum slip concentration on the subfault located off Hiroo no deaths, 849 people sustained.... The earthquake records used for RTHS are listed in Table 2 NS record pertains to the and... By Koketsu et al kind printed in the region will find in this book is devoted different!... of an M8 earthquake—Phenomena and their implications from the 2003 Tokachi-oki earthquake also suggests designing effective interagency,!, are presented in this book a useful context and introduction to the region 's scientific leaders its tsunami! The paper studies three particular sites in the new Madrid seismic zone in deterministic... Named the 2003 rupture and the & quot ; bedrock & quot ; bedrock & quot ; of sites... Days before the 2003 Tokachi-oki earthquake were no deaths, 849 people injuries...
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