2018: Huge Alaska Quake & Swarming Aftershocks


Alex Wierbinski's picture

By Alex Wierbinski - Posted on 03 December 2018

GEOLOGY

Huge Alaska Quake & Swarming Aftershocks
USGS topo map of Alaska earthquake of December 2018.
USGS Topo Map

First images of slope failures triggered by the M=7.0 Alaska earthquake,
AGU, December 1, 2018.

MAIN POINTS

"The M=7.0 Alaska earthquake on 30th November 2018"

“...it was comparatively deep (41 km).”

“...much of the area affected had limited potential for large-scale landslides due to the low relief topography:”

 

Wild series of aftershocks:

USGS LATEST EARTHQUAKES,
Alaska

 

USGS
Earthquake Report
M 7.0 - 12km N of Anchorage, Alaska

 

 

News Report

Powerful earthquake strikes near Anchorage, Alaska,
CBS news, December 1, 2018.

MAIN POINTS

7.0 earthquake struck at 8:29 local time

5.7 aftershock struck 6 minutes later at 8:35

Tsunami warning was issued and then lifted a short time later.

Anchorage police chief said he was unaware of reports of deaths or serious injuries.

So far there have been at least 45 'aftershocks,' all of them magnitude 2.5 or larger

Around 48,000 power outages have been reported.

Numerous aftershocks have hit the area.

One quake was felt 350 miles away in Fairbanks.

 

 

 Recent Geology News

2018 USGS National Volcanic Threat UPDATE

Big Quakes can Trigger Big Quakes on opposite side of Earth

 

A Year Ago

4.1 earthquake strikes Mammoth area

 

 

 

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