Alaska earthquakes

M1.8 earthquake 45 km SSE of Chignik, Alaska

A magnitude 1.8 earthquake struck 45 km SSE of Chignik, Alaska on Sat, Jun 30, 2018, 8:36 PM AKDT (04:36 UTC), 74 km (46 mi) below the surface.

A larger quake followed: M4.5 134 km SE of Perryville, Alaska. This one was a foreshock.

Sand Point forecast More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 1.8 (ml), micro
Local time: Sat, Jun 30, 2018, 8:36 PM AKDT
UTC: 2018-07-01 04:36:02 UTC
Depth: 73.9 km (45.9 mi), intermediate-depth
Epicenter: 55.898° N, 158.234° 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.

Stations used: 12

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Sand Point, AlaskaPopulation 1,064. Forecast155 kmENE

Nearby

Within 100 km, magnitude 1.5 and up: 35 in the 60 days after this one and 9 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0188d2em8h (also filed as ak19847377, aacse0188d2em8h). Read Wed, Sep 30, 2026, 6:33 PM UTC.