Earthquake Details

Chignik, Alaska 5.6m Earthquake, Wednesday Jul. 28 2021, 10:32:33 PM

Chignik, Alaska Earthquake

The USGS has reported a 5.6 magnitude earthquake has struck 139 km SE of Chignik, Alaska on Jul. 28 2021, 10:32:33 PM. ...at a depth of 5 km. There were no significant injuries or damage reported at this point, Friendly Forecast will update this report as events unfold.

Aftershock

This earthquake has been labeled an Aftershock. You can find information for the main earthquake here: Perryville, Alaska 8.2m Earthquake, Wednesday Jul. 28 2021, 10:15:49 PM

Did you feel it?

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

Community Internet Intensity Map for the Chignik, Alaska 5.6m Earthquake, Wednesday Jul. 28 2021, 10:32:33 PM
Community Internet Intensity Map

Responses Location Shaking Distance
1 Anchor Point, AK 99556 LIGHT 583 km
1 Homer, AK 99603 MODERATE 574 km
1 Seward, AK 99664 LIGHT 713 km
1 Soldotna, AK 99669 WEAK 660 km

Did you feel the 5.6 Chignik, 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 Chignik, Alaska 5.6m Earthquake, Wednesday Jul. 28 2021, 10:32:33 PM
GEO Community Internet Intensity Map

Intensity vs Distance Plot for the Chignik, Alaska 5.6m Earthquake, Wednesday Jul. 28 2021, 10:32:33 PM
Intensity vs Distance Plot

Responses vs Time Plot for the Chignik, Alaska 5.6m Earthquake, Wednesday Jul. 28 2021, 10:32:33 PM
Responses vs Time Plot

Macroseismic Intensity Map for the Chignik, Alaska 5.6m Earthquake, Wednesday Jul. 28 2021, 10:32:33 PM
Macroseismic Intensity Map

Peak Ground Acceleration Map for the Chignik, Alaska 5.6m Earthquake, Wednesday Jul. 28 2021, 10:32:33 PM
Peak Ground Acceleration Map

Peak Ground Velocity Map for the Chignik, Alaska 5.6m Earthquake, Wednesday Jul. 28 2021, 10:32:33 PM
Peak Ground Velocity Map

0.3 Second Peak Spectral Acceleration Map for the Chignik, Alaska 5.6m Earthquake, Wednesday Jul. 28 2021, 10:32:33 PM
0.3 Second Peak Spectral Acceleration Map

1 Second Peak Spectral Acceleration Map for the Chignik, Alaska 5.6m Earthquake, Wednesday Jul. 28 2021, 10:32:33 PM
1 Second Peak Spectral Acceleration Map

3 Second Peak Spectral Acceleration Map for the Chignik, Alaska 5.6m Earthquake, Wednesday Jul. 28 2021, 10:32:33 PM
3 Second Peak Spectral Acceleration Map


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