Update: A second earthquake followed several hours after this first one. For more information, see this article. 

An offshore earthquake has just taken place near the Alaska Panhandle coastline and northern British Columbia.

The tremblor hit the Gulf of Alaska at 1:52 p.m. today (December 18).

The U.S. Geological Survey initially reported it as a 5.5-magnitude seismic event, based on preliminary measurements, but revised it to 5.2-magnitude.

The epicentre, at a depth of 20 kilometres (12 miles), was located 81 kilometres (50 miles) northwest of Elfin Cove, Alaska; 190 kilometres west of Juneau, Alaska; and 293 kilometres (182 miles) southwest of Whitehorse, Yukon.

The U.S. Tsunami Warning System, which reported it as a 5.3-magnitude quake, stated that there is no tsunami danger from this earthquake.