Earthquake Details

Glennallen, Alaska 3.6m Earthquake, Tuesday Sep. 14 2021, 1:51:21 PM

Glennallen, Alaska Earthquake

The USGS has reported a 3.6 magnitude earthquake has struck 14 km NW of Glennallen, Alaska on Sep. 14 2021, 1:51:21 PM. ...at a depth of 12 km. There were no significant injuries or damage reported at this point, Friendly Forecast will update this report as events unfold.

Fore and Aftershocks

There has been other seismic activity around the 3.6 Glennallen, Alaska earthquake. Below you will find the fore and after shocks associated with it.

Quake Type Magnitude Location Time Date
Foreshock 2.5 4 km WNW of Tolsona, Alaska 2:22:17 AM Sep. 03 2021

Did you feel it?

15 others have felt the Glennallen, Alaska earthquake and have since reported it. See below for the response locations and intensities.

Community Internet Intensity Map for the Glennallen, Alaska 3.6m Earthquake, Tuesday Sep. 14 2021, 1:51:21 PM
Community Internet Intensity Map

Responses Location Shaking Distance
1 Anchorage, AK 99501 LIGHT 246 km
1 Anchorage, AK 99516 NO 247 km
7 Glennallen, AK 99588 LIGHT 40 km
1 Palmer, AK 99645 LIGHT 134 km

Did you feel the 3.6 Glennallen, Alaska earthquake? If you felt the quake you can report it here to the USGS.

Other Imagery and Data

GEO Community Internet Intensity Map for the Glennallen, Alaska 3.6m Earthquake, Tuesday Sep. 14 2021, 1:51:21 PM
GEO Community Internet Intensity Map

Intensity vs Distance Plot for the Glennallen, Alaska 3.6m Earthquake, Tuesday Sep. 14 2021, 1:51:21 PM
Intensity vs Distance Plot

Responses vs Time Plot for the Glennallen, Alaska 3.6m Earthquake, Tuesday Sep. 14 2021, 1:51:21 PM
Responses vs Time Plot

Macroseismic Intensity Map for the Glennallen, Alaska 3.6m Earthquake, Tuesday Sep. 14 2021, 1:51:21 PM
Macroseismic Intensity Map

Peak Ground Acceleration Map for the Glennallen, Alaska 3.6m Earthquake, Tuesday Sep. 14 2021, 1:51:21 PM
Peak Ground Acceleration Map

Peak Ground Velocity Map for the Glennallen, Alaska 3.6m Earthquake, Tuesday Sep. 14 2021, 1:51:21 PM
Peak Ground Velocity Map

0.3 Second Peak Spectral Acceleration Map for the Glennallen, Alaska 3.6m Earthquake, Tuesday Sep. 14 2021, 1:51:21 PM
0.3 Second Peak Spectral Acceleration Map

1 Second Peak Spectral Acceleration Map for the Glennallen, Alaska 3.6m Earthquake, Tuesday Sep. 14 2021, 1:51:21 PM
1 Second Peak Spectral Acceleration Map

3 Second Peak Spectral Acceleration Map for the Glennallen, Alaska 3.6m Earthquake, Tuesday Sep. 14 2021, 1:51:21 PM
3 Second Peak Spectral Acceleration Map


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