Tsumani Sirens in Alaska

A magnitude-7.9 earthquake detected in the Gulf of Alaska has triggered tsunami warnings in Alaska and tsunami watches across several Western states.

The earthquake struck about 175 miles southeast of Kodiak, Alaska, shortly after midnight Alaska local time, according to preliminary figures from the United States Geological Survey. The quake had a depth of about 15 miles, according to the USGS. The earthquake previously had been measured at magnitude 8.2.

Breaking - 6.5 Magnitude Earthquake in NE Japan, Tsunami Possible

A 6.5 magnitude earthquake has hit Japan and Tsunami alerts in various places have been issued.

Early reports say there appears to be little or no damage on the ground, the main concern right now is a tsunami that may hit the Japan coast.

This tsunami height may only be about 1.6 feet, but the force it may come into land on may be great.

The red-shaded area is the Miyagi perfecture.  It is the area currently anticipating impact of a tsunami.