Central Alaska Earthquake
The USGS has reported a 4.9 magnitude earthquake has struck Central Alaska on Sep. 13 2021, 9:56:36 PM. ...at a depth of 3.9 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 4.9 Central Alaska earthquake. Below you will find the fore and after shocks associated with it.
|Aftershock||2.8||8 km WNW of Harding-Birch Lakes, Alaska||6:33:21 PM||Sep. 14 2021|
|Aftershock||3.1||8 km NW of Harding-Birch Lakes, Alaska||3:33:19 PM||Sep. 17 2021|
Did you feel it?
1047 others have felt the Central Alaska earthquake and have since reported it. See below for the response locations and intensities.
Community Internet Intensity Map
|1||Anchorage, AK 99515||LIGHT||403 km|
|1||Anchorage, AK 99516||NO||404 km|
|1||Chignik, AK 99564||NO||1112 km|
|1||Chugiak, AK 99567||WEAK||356 km|
|1||Homer, AK 99603||WEAK||594 km|
|1||Skwentna, AK 99667||WEAK||411 km|
|67||Fairbanks, AK 99701||LIGHT||45 km|
|34||Eielson AFB, AK 99702||LIGHT||31 km|
|25||Fort Wainwright, AK 99703||LIGHT||61 km|
|151||North Pole, AK 99705||LIGHT||45 km|
|174||Fairbanks, AK 99709||LIGHT||91 km|
|118||Fairbanks, AK 99712||LIGHT||78 km|
|2||Salcha, AK 99714||MODERATE||63 km|
|2||Cantwell, AK 99729||LIGHT||146 km|
|26||Delta Junction, AK 99737||LIGHT||94 km|
|4||Healy, AK 99743||LIGHT||100 km|
|1||Denali National Park, AK 99755||WEAK||219 km|
|2||Nenana, AK 99760||LIGHT||113 km|
|1||Victoria, Victoria, British Columbia, Canada||WEAK||2292 km|
Did you feel the 4.9 Central Alaska earthquake? If you felt the quake you can report it here to the USGS.
Other Imagery and Data
GEO Community Internet Intensity Map
Intensity vs Distance Plot
Responses vs Time Plot
Macroseismic Intensity Map
Peak Ground Acceleration Map
Peak Ground Velocity Map
0.3 Second Peak Spectral Acceleration Map
1 Second Peak Spectral Acceleration Map
3 Second Peak Spectral Acceleration Map