| Magnitude | 5.6 |
| Alert | Strong |
| Depth | 10.0 km |
| Coordinates | 36.666, 137.896 |
| UTC time | 1986-12-30 00:38:30.370 |
Earthquake details
Tuesday, December 30, 1986 Earthquake
The earthquake hit Japan on Tuesday, December 30, 1986 at 00:38 UTC with a magnitude of 5.6. The closest known location in the current dataset is Chikuma (Japan - JP), about 23.2 km away. The epicenter is located at longitude 137.896 and latitude 36.666.
| Location | Chikuma |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1986-12-30
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.9
Chikuma
Japan · 2026-04-18 05:54 UTC
|
14.2 km |
|
M 4.9
Chikuma
Japan · 2026-04-18 04:20 UTC
|
13.7 km |
|
M 5.1
Matsumoto
Japan · 2026-01-15 05:48 UTC
|
50.5 km |
|
M 4.7
Azumino
Japan · 2026-01-15 05:40 UTC
|
48.1 km |
|
M 4.1
Chichibu
Japan · 2025-08-23 10:22 UTC
|
119.0 km |
|
M 4.3
Takayama
Japan · 2025-05-29 06:28 UTC
|
86.4 km |
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