| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 302.0 km |
| Coordinates | 21.648, 142.949 |
| UTC time | 1977-07-27 17:17:05.200 |
Earthquake details
Wednesday, July 27, 1977 Earthquake
The earthquake hit Mariana Islands region on Wednesday, July 27, 1977 at 17:17 UTC with a magnitude of 5.1. The closest known location in the current dataset is Saipan, about 775.2 km away. The epicenter is located at longitude 142.949 and latitude 21.648.
| Location | Mariana Islands region |
| Country | Mariana Islands region |
| Severity | Strong |
Earthquake map 1977-07-27
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.3
Mariana Islands region
Unknown · 2026-07-15 21:40 UTC
49.3 km
M 4.2
Mariana Islands region
Unknown · 2026-03-30 01:28 UTC
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M 4.3
Volcano Islands
Japan region · 2026-03-16 17:22 UTC
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M 4.7
Mariana Islands region
Unknown · 2026-03-08 19:08 UTC
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M 4.1
Volcano Islands
Japan region · 2026-02-21 16:33 UTC
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M 4.4
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Japan region · 2026-02-17 17:18 UTC
71.7 km
M 4.2
Mariana Islands region
Unknown · 2026-01-31 19:11 UTC
39.5 km
M 4.5
Mariana Islands region
Unknown · 2025-11-29 06:57 UTC
18.8 km
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