M 6.1 Earthquake, 97km WNW of Willow, Alaska
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20 minutes ago
Location: 19 miles (30 km) WNW of Skwentna, ... Show more
Posted 18 minutes ago U.S. Geological Survey
An earthquake with magnitude 6.1 occurred near Skwentna, AK at 17:51:17.00 UTC on Sep 25, 2014. (This event has been reviewed by a seismologist.)
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Excerpted from ready.gov
Expect aftershocks. These secondary shockwaves are usually less violent than the main quake but can be strong enough to do additional damage to weakened structures and can occur in the first hours, days, weeks, or even months after the quake.
Look for and extinguish small fires. Fire is the most common hazard after an earthquake.
Be aware of possible tsunamis if you live in coastal areas. These are also known as seismic sea waves (mistakenly called "tidal waves"
. When local authorities issue a tsunami warning, assume that a series of dangerous waves is on the way. Stay away from the beach.
Be careful when driving after an earthquake and anticipate traffic light outages.
More:
What to do after an earthquake.
What is an earthquake?
Earthquakes with magnitude of about 2.0 or less are usually called microearthquakes; they are not commonly felt by people and are generally recorded only on local seismographs. Events with magnitudes of about 4.5 or greater - there are several thousand such shocks annually - are strong enough to be recorded by sensitive seismographs all over the world. Great earthquakes, such as the 1964 Good Friday earthquake in Alaska, have magnitudes of 8.0 or higher. On the average, one earthquake of such size occurs somewhere in the world each year.