Alaska earthquakes

M4.6 earthquake 37 km SW of Sand Point, Alaska

A magnitude 4.6 earthquake struck 37 km SW of Sand Point, Alaska on Fri, May 4, 2018, 5:53 AM AKDT (13:53 UTC), 65 km (41 mi) below the surface.

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

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The earthquake

Magnitude: 4.6 (mb, body-wave), light
Magnitude from: USGS National Earthquake Information Center
Local time: Fri, May 4, 2018, 5:53 AM AKDT
UTC: 2018-05-04 13:53:42 UTC
Depth: 65.4 km (40.7 mi), shallow
Epicenter: 55.120° N, 160.940° W
Region: Alaska
Felt reports: 1
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
4.6	mb, body-wave	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.079 · 47 stations
4.6	mb, body-wave	Alaska Earthquake Center	Preliminary

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 5.3 km horizontally, 5.7 km in depth
Magnitude uncertainty: ±0.08
Depth from: From location
Station coverage gap: 150°
Stations used: 243

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast37 kmSW

Nearby

Within 100 km, magnitude 1.6 and up: 90 in the 60 days after this one and 31 in the 30 days before it.

After

The first 60 of 90.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000dxwb (also filed as ak0185pap4do, ak19310868). Read Fri, Oct 2, 2026, 12:56 AM UTC.