Earthquake details

Wednesday, August 9, 1978 Earthquake

The earthquake hit Northern Mariana Islands on Wednesday, August 9, 1978 at 14:31 UTC with a magnitude of 5.4. The closest known location in the current dataset is Saipan (Northern Mariana Islands - MP), about 115.8 km away. The epicenter is located at longitude 146.633 and latitude 15.817.

Magnitude 5.4
Alert Strong
Depth 33.0 km
Coordinates 15.817, 146.633
UTC time 1978-08-09 14:31:17.100
Location Saipan
Country Northern Mariana Islands (MP)
Severity Strong

Earthquake map 1978-08-09

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
156.0 km
M 4.5
Saipan
Northern Mariana Islands · 2026-03-04 10:17 UTC
113.8 km
M 4.6
Saipan
Northern Mariana Islands · 2025-11-27 12:26 UTC
166.0 km
M 4.5
Saipan
Northern Mariana Islands · 2025-11-21 13:46 UTC
46.9 km
M 4.5
Saipan
Northern Mariana Islands · 2025-11-11 01:53 UTC
148.5 km
M 4.4
Saipan
Northern Mariana Islands · 2025-11-06 11:21 UTC
152.9 km
M 4.3
Saipan
Northern Mariana Islands · 2025-09-28 23:57 UTC
197.8 km
M 4.5
Saipan
Northern Mariana Islands · 2025-08-21 05:57 UTC
78.0 km

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