| Magnitude | 5.3 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | 15.784, 147.279 |
| UTC time | 1987-07-21 03:52:36.510 |
Earthquake details
Tuesday, July 21, 1987 Earthquake
The earthquake hit Northern Mariana Islands on Tuesday, July 21, 1987 at 03:52 UTC with a magnitude of 5.3. The closest known location in the current dataset is Saipan (Northern Mariana Islands - MP), about 175.5 km away. The epicenter is located at longitude 147.279 and latitude 15.784.
| Location | Saipan |
| Country | Northern Mariana Islands (MP) |
| Severity | Strong |
Earthquake map 1987-07-21
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.0
Saipan
Northern Mariana Islands · 2026-03-25 15:12 UTC
|
222.2 km |
|
M 4.5
Saipan
Northern Mariana Islands · 2026-03-04 10:17 UTC
|
172.0 km |
|
M 4.6
Saipan
Northern Mariana Islands · 2025-11-27 12:26 UTC
|
211.7 km |
|
M 4.5
Saipan
Northern Mariana Islands · 2025-11-21 13:46 UTC
|
116.0 km |
|
M 4.5
Saipan
Northern Mariana Islands · 2025-11-11 01:53 UTC
|
188.7 km |
|
M 4.4
Saipan
Northern Mariana Islands · 2025-11-06 11:21 UTC
|
206.0 km |
|
M 4.3
Saipan
Northern Mariana Islands · 2025-09-28 23:57 UTC
|
240.5 km |
|
M 4.5
Saipan
Northern Mariana Islands · 2025-08-21 05:57 UTC
|
145.7 km |
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