1922 Shimabara earthquake

1922 Shimabara earthquake
UTC time	??
Local date	December 8, 1922
Magnitude	M6.9
Epicenter	32°42′N 130°06′E / 32.7°N 130.1°E
Type	Doublet earthquake

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Last edited by Earthqu (talk | contribs) 9 months ago. (Update)

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The 1922 Shimabara earthquake (Template:Lang-ja) was an earthquake occurred in Kyushu, Japan on December 8,1922. The event was a so-called doublet earthquake, with the mainshock (M6.9) occurring first, followed by the largest aftershock (M6.5) 9 hours later.

Overview

At 1:50 a.m. on December 8, 1922 (local time), an M6.9 earthquake occurred in Tachibana Bay [ja] (also called Chijiwa 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 / 32.6933; 130.0367^[2]	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 / 32.7517; 130.1250^[3]	0 km	M6.5

References

^ 日本付近のおもな被害地震年代表 - Seismological Society of Japan
^ "震度データベース検索 (本震)". www.data.jma.go.jp. Retrieved 2024-03-13.
^ "震度データベース検索 (最大余震)". www.data.jma.go.jp. Retrieved 2024-03-13.

[1] 日本付近のおもな被害地震年代表 - Seismological Society of Japan

[2] "震度データベース検索 (本震)". www.data.jma.go.jp. Retrieved 2024-03-13.

[3] "震度データベース検索 (最大余震)". www.data.jma.go.jp. Retrieved 2024-03-13.

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