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1909 Anegawa earthquake
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Earthquake in Japan
1909-08-14 06:30:54 iscgem16958049 16958049 August 14, 1909 15:30 Japan Kansai 6.9 w y 15 km on 35.773 136.557 inline, title 1.8 m at Lake Biwa Japan 6 41 fatalities, 784 injuries
The 1909 Anegawa earthquake affected Shiga and Gifu prefectures in Japan on August 14. The epicenter of the w y 6.9 earthquake was located in Gifu Prefecture and its focal depth was estimated at 15 km. There were at least 41 fatalities and over 1,000 homes destroyed. A 1.8 m ft high tsunami was also recorded in Lake Biwa.
Earthquake
The earthquake may have occurred on the Tsurugawan-Isewan Tectonic Line, a major fault trending generally northwest–southeast in central Japan. The fault zone comprises five active fault segments that trend northwest–southeast and west-northwest–east-southeast. Its northern strand, the Kaburagi Fault, runs along the edge of Tsuruga Bay and joins the Yanagase Fault to its south. A bend towards the east–southeast separates the fault from the Sekigahara Fault. The earthquake likely ruptured the central portion of the Sekigahara Fault. A possible precursor event sequence may have begun ten years before the mainshock as "notable earthquakes" occurred along an area between Tsuruga Bay and Ise Bay. The damage area from the earthquake was considered smaller than expected for its magnitude. The fault zone also contains two additional segments; the Yoro and Isewan faults; the latter is considered a branch of the Japan Median Tectonic Line.Kanaori Yuji Kawakami Shin-ichi Yairi Kenji Niwa Shunji A sequence of destructive earthquakes and the coupling of fault systems in central Japan Engineering Geology 1994 37 167-180 10.1016/0013-7952(94)90054-X The Sekigahara Fault produces reverse and left-lateral strike-slip movement.Yanagase-Sekigahara fault zone ja:柳ヶ瀬・関ヶ原断層帯 ja https://www.jishin.go.jp/regional_seismicity/rs_katsudanso/f061_062_yanagase_sekigahara/ Headquarters for Earthquake Research Promotion 3 June 2024
Impact
Forty-one people died and at least 784 were injured. In addition to 1,100 destroyed houses, many temples were razed. An additional 1,000 homes were also damaged. The slope of Mount Ibuki collapsed which was accompanied by a "thunderous roar."Earthquake in Japan kills 30 https://cdnc.ucr.edu/?a=d&d=SFC19090816.2.28&e=-------en--20--1--txt-txIN--------# 2 June 2024 San Francisco Call 106 77 16 August 1909 Fifty homes on Lake Biwa were totally razed and 20 others were destroyed. A toppling cliffside at a Gifu marble quarry left one dead and five wounded. Thirty people died in Higashiazai District; the worst affected district. Fifteen worship monuments and places were also totally ruined. At least 431 homes and 636 buildings completely collapsed.The earthquake in Japan https://trove.nla.gov.au/newspaper/article/9995237 2 June 2024 The Mercury 28 September 1909 3 The maximum JMA seismic intensity (Shindo) was 6 in present-day Nagahama."Anegawa earthquake record" discovered: Shiga local history research group vividly depicts devastation 110 years ago ja:「姉川地震記録」発見 110年前の惨状、生々しく 滋賀の郷土史研究グループ https://www.sankei.com/article/20180614-OK6TUNM2BFM27NQILMODDF6VXQ/ 2 June 2024 The Sankei Shimbun ja 14 June 2018 Shindo 4–5 was also observed throughout Shiga Prefecture.Anegawa earthquake ja:姉川地震 ja https://www.city.nagahama.lg.jp/section/kyouken/junior/category_02/04_disaster/anekawa_earthquake/index.html Nagahama City Local History Learning Materials 2 June 2024
See also
List of earthquakes in 1909
List of earthquakes in Japan
References
ISC-GEM Global Instrumental Earthquake Catalogue (1900–2012) http://www.isc.ac.uk/iscgem/index.php ISC 2016 International Seismological Centre Version 3.0
Significant Earthquake Database https://www.ngdc.noaa.gov/nndc/struts/form?t=101650&s=1&d=1 https://web.archive.org/web/20060929000601/http://www.ngdc.noaa.gov/nndc/struts/form?t=101650&s=1&d=1 dead September 29, 2006 National Geophysical Data Center / World Data Service (NGDC/WDS) National Geophysical Data Center, NOAA 10.7289/V5TD9V7K 1972
Category:1909 earthquakes
Category:1909 in Japan
Category:August 1909 in Asia
Category:History of Shiga Prefecture
Category:History of Gifu Prefecture