Alaska earthquakes

M3.6 earthquake 192 km WSW of Adak, Alaska

A magnitude 3.6 earthquake struck 192 km WSW of Adak, Alaska on Tue, Jun 9, 1998, 6:33 AM HADT (15:33 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.5 241 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
3.6 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1998-06-09 15:33:19 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.535° N, 179.364° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from
OPERATOR_ASSIGNED

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 1 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0008pmu. Read Fri, Oct 2, 2026, 4:12 AM UTC.