French
Deutsch1922 Shimabara earthquake
   | |
| UTC time | 1922-12-07 16:50:17 |
|---|---|
| ISC event | |
| 912099 | |
| 912102 | |
| USGS-ANSS | |
| ComCat | |
| ComCat | |
| Local date | December 8, 1922 |
| Magnitude | M6.9 |
| Epicenter | 32°42′N 130°06′E / 32.7°N 130.1°E[1] |
| Type | Doublet earthquake |
| Casualties | 27 dead[2][3] |
The 1922 Shimabara earthquake (Japanese: 島原地震) occurred in Kyushu, Japan on December 8, 1922.[4] The mainshock (M6.9) was followed by a large aftershock (M6.5) 9 hours later.[5]
Overview
[edit]At 1:50 a.m. on December 8, 1922 (local time), an M6.9 earthquake occurred in Tachibana Bay, Nagasaki Prefecture, Japan. About 9 hours later, at 11:02 a.m., the largest aftershock of M6.5 occurred in almost the same location as the first earthquake.
| Type of event | Date and time (JST) | Epicenter | Depth | Magnitude |
|---|---|---|---|---|
| Main shock | 1922/12/08 01:50 | 32°41.6′N 130°02.2′E / 32.6933°N 130.0367°E[6] | 19 km | M6.9 |
| Largest aftershock | 1922/12/08 11:02 | 32°45.1′N 130°07.5′E / 32.7517°N 130.1250°E[7] | 0 km | M6.5 |
Impact and damage
[edit]The damage was severe in southern Nagasaki Prefecture (Shimabara Peninsula) and western Kumamoto Prefecture.[1][2][8] In Nagasaki Prefecture, 26 people died of which 3 were due to the largest aftershock.[1] The earthquake caused cracks in the ground and landslides. More than 2,000 houses were damaged.[9][10][11]
See also
[edit]References
[edit]- ^ a b c 日本付近のおもな被害地震年代表 – Seismological Society of Japan
- ^ a b 19221208-1島原地震 長崎県
- ^ 雲仙・普賢岳災害と防災対策について – 一般社団法人 九州地方計画協会
- ^ 島原地震 (1922年12月8日) について – 長崎県地学会
- ^ "Earthquakes on the Shimabara Peninsula (December 8, 1922, M 6.9, M 6.5)". hp1039.jishin.go.jp. Headquarters for Earthquake Research Promotion. Retrieved 2024-03-17.
- ^ "震度データベース検索 (本震)". Japan Meteorological Agency. Retrieved 2024-03-13.
- ^ "震度データベース検索 (最大余震)". Japan Meteorological Agency. Retrieved 2024-03-13.
- ^ "島原半島の地震 (1922年12月8日)". hp1039.jishin.go.jp. Retrieved 2024-03-13.
- ^ "九州の災害履歴情報 年表から探す 長崎県". saigairireki.qscpua2.com. Retrieved 2024-03-13.
- ^ "雲仙岳 有史以降の火山活動". Japan Meteorological Agency. Retrieved 2024-03-13.
- ^ "長崎の安全と安心" (PDF).
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