| Magnitude | 5.2 |
| Alert | Strong |
| Depth | 201.0 km |
| Coordinates | 21.954, 143.303 |
| UTC time | 1977-12-07 20:31:46.300 |
Earthquake details
Wednesday, December 7, 1977 Earthquake
The earthquake hit Mariana Islands region on Wednesday, December 7, 1977 at 20:31 UTC with a magnitude of 5.2. The closest known location in the current dataset is Saipan, about 793.7 km away. The epicenter is located at longitude 143.303 and latitude 21.954.
| Location | Mariana Islands region |
| Country | Mariana Islands region |
| Severity | Strong |
Earthquake map 1977-12-07
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.3
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Unknown · 2026-07-15 21:40 UTC
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M 4.2
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M 4.3
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M 4.7
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Unknown · 2026-03-08 19:08 UTC
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M 4.1
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M 4.4
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M 4.2
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Unknown · 2026-01-31 19:11 UTC
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M 4.5
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Unknown · 2025-11-29 06:57 UTC
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