Earthquake details

Monday, February 4, 1991 Earthquake

The earthquake hit Northern Mariana Islands on Monday, February 4, 1991 at 03:00 UTC with a magnitude of 5.0. The closest known location in the current dataset is Saipan (Northern Mariana Islands - NO), about 436.5 km away. The epicenter is located at longitude 145.415 and latitude 19.120.

Magnitude 5.0
Alert Strong
Depth 199.6 km
Coordinates 19.120, 145.415
UTC time 1991-02-04 03:00:48.340
Location Maug Islands region
Country Northern Mariana Islands (NO)
Severity Strong

Earthquake map 1991-02-04

Nearby earthquakes

The latest 8 earthquakes within 100 km of this epicenter.
M 4.4
Pagan region
Northern Mariana Islands · 2026-07-04 22:12 UTC
48.5 km
M 4.2
Pagan region
Northern Mariana Islands · 2026-06-30 17:33 UTC
24.1 km
M 4.3
Pagan region
Northern Mariana Islands · 2026-06-22 05:42 UTC
24.3 km
M 4.1
Saipan
Northern Mariana Islands · 2026-06-14 04:53 UTC
66.2 km
M 4.4
Pagan region
Northern Mariana Islands · 2026-06-06 09:24 UTC
29.7 km
M 4.1
Saipan
Northern Mariana Islands · 2026-06-05 12:21 UTC
89.6 km
M 4.4
Maug Islands region
Northern Mariana Islands · 2026-05-27 19:51 UTC
55.4 km
M 5.5
Pagan region
Northern Mariana Islands · 2026-04-14 03:04 UTC
22.5 km

Stay informed

Earthquake alerts

Create targeted notifications for important seismic activity near the places you follow.

Choose the places you want to monitor.
Set a minimum magnitude for notifications.