Alaska earthquakes

M3.7 earthquake 29 km SSW of Glacier View, Alaska

A magnitude 3.7 earthquake struck 29 km SSW of Glacier View, Alaska on Wed, Jun 9, 2021, 5:06 AM AKDT (13:06 UTC), 20 km (12 mi) below the surface.

Knik River forecastMore in Alaska

Map

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

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The earthquake

Magnitude
3.7 (ml), minor
Local time
UTC
2021-06-09 13:06:01 UTC
Depth
19.5 km (12.1 mi), shallow
Epicenter
61.550° N, 147.803° W
Region
Alaska
Felt reports
10
Strongest shaking
III, weak shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated
III, weak shaking
Peak ground acceleration
1.2% of gravity
Peak ground velocity
-1.2 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

10 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Strike-slip
Moment magnitude
3.9 Mwr
Nodal plane 1
Strike 238°, dip 89°, rake 26°
Nodal plane 2
Strike 148°, dip 64°, rake 179°

How well it is located

Reviewed by a seismologist.

Stations used
104

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 115 in the 60 days after this one and 71 in the 30 days before it.

After

The first 60 of 115.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0217ctrg6k (also filed as us7000ebfu). Read Sat, Sep 26, 2026, 5:25 AM UTC.