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A strong earthquake, centered in the town of Willow, Alaska — about 81 miles northwest of Anchorage — struck at 9:51 a.m. The tremor was large enough to knock over bookcases and send people running for shelter in Alaska’s largest city, but widespread damage hasn’t been reported in the immediate aftermath.

Luckily, the earthquake was fairly deep — about 64 miles — which helped to limit the impact of shaking. Any aftershocks that do occur will be light.

According to an interview with the Anchorage Daily News, Seismologist Natalia Ruppert — with the Alaska Earthquake Information Center — said the earthquake occurred along subduction zone. In ths case, that’s where the Pacific plate is forced underneath the North American place.

Most large earthquakes emanate along subduction zones and Alaska is no stranger to huge earthquakes. The strongest earthquake to ever strike North America, and the second strongest ever recorded, was a 9.2 that struck Anchorage in 1964. That earthquake shook buildings to their foundations, rifted streets and caused more than $2 billion [in 2013 dollars] in damage.

Below, a collection of images from the region show the damage from this latest quake.

Meteorologist Alan Raymond

People under tables in Romig / West school library as ceiling tiles fell http://t.co/tNASJWQZ46 #akquake pic.twitter.com/OqZfLHc8G5 — Alaska Dispatch News (@adndotcom) September 25, 2014

Another photo of the damage from the ANC #earthquake pic.twitter.com/vgMNprJYZs — Alaska Snob (@AlaskaSnob) September 25, 2014

Another photo of the damage from the ANC #earthquake pic.twitter.com/vgMNprJYZs — Alaska Snob (@AlaskaSnob) September 25, 2014

Another photo of the damage from the ANC #earthquake pic.twitter.com/vgMNprJYZs — Alaska Snob (@AlaskaSnob) September 25, 2014