A Tsunami warning has been issued for southeast Alaska south of Cape Decision to Vancouver Island after a series of earthquakes struck the coastal region of Canada this evening.

The first quake, the strongest, struck at 8:04 pm local time (7:04 pm in Alaska) at the epicenter. The quake measured a 7.7 magnitude. It occured 10.9 miles beneath the surface 86 miles west of Masset, Canada.

The second quake followed close on the heels of the first, striking at 8:14 pm epicenter time. This shaker measured a 5.8 magnitude. It occured just offshore of the Queen Charlotte Islands at a depth of 6.2 miles.

The third and next to smallest quake occured at 8:52 pm. It occured just offshore and just to the south of the first two. It measured 4.8. It occured at a depth of 6.8 miles. This one was 125 miles from Masset.

The fourth quake occured at 9:25 at epicenter and was a magnitude 5.1. This one at a depth of 6.3 miles.

The last quake to occur this evening occured at 9:33 pm epicenter time. It measured a 4.6, and was centered 86 miles from Masset. It was the smallest of the series of five quakes to strike the region this evening.

The earthquakes followed a long fault line that runs along the coast in the region.

The Tsunami warning released by bulletin from Palmer affects Point Decision to the north to Vancouver Island to the south. It is targeted to people in lowlying areas. The earthquake is not expected to generate any tsunami of any large size.

Update:

Another aftershock has struck the same region, bringing the total for the evening to 6. This one occured at a depth of 6.2 miles 101 miles south-southwest of Masset at 9:41 at epicenter.(8:41 pm-Alaska Time) It measured 4.7.