1922 Shimabara earthquake
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Overview
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°41.6â²N 130°02.2â²E[6] | 19 km | M6.9 |
| Largest aftershock | 1922/12/08 11:02 | 32°45.1â²N 130°07.5â²E[7] | 0 km | M6.5 |
Impact and damage
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]
