[image] Authorities sound the alarm after an earthquake off the coast of Alaska. The American institute USGS currently measures the strength at 8.2. That could change. Tsunami warnings have been issued. The quake’s epicenter was about 60 miles southeast of the village of Perryville. The United St…

The tsunami warning has been canceled. BULLETIN Public Tsunami Message Number 7 NWS National Tsunami Warning Center Palmer AK 129 AM AKDT Thu Jul 29 2021 …THE TSUNAMI ADVISORY IS CANCELLED… The Tsunami Advisory is canceled for the coastal areas of South Alaska and the Alaska Peninsula and A…

You can definitely blame this one on global warming, from the inside.

For those of us who have never experienced a tsunami at sea: Not so many years ago one of our captains reported encountering a tsunami while underway near the Aleutian Islands. It was day. He said there was no visible wave. Nothing you could see coming. The sensation was simply that the sea had su…

Tsunamis specifically, are generally caused by undersea earthquakes. They move through the water at great depth, rather than on top of it. That means a ship sailing on the open sea may barely notice a tsunami roll far beneath it. Rogue waves are much more dangerous. Wind-generated waves usually hav…

Then you got your seaquakes: [image] Seaquakes- Actual Shaking, usually felt on vessels due to the arrival of elastic (acoustic) waves through water Professional Mariner Forum Anyone experienced an earthquake at sea?

Then you have a problem. NOAA advises that since tsunami wave activity is imperceptible in the open ocean, vessels should not return to port if they are at sea and a tsunami warning has been issued for the area. A tsunami may be less than a foot (30 centimeters) in height on the surface of the open…

Some poor guy ran aground in the scramble to get out of Kodiak, didn’t sound particularly happy on 16. Just because you can cut the channel doesn’t mean you should.

[image] Dutchie: They would pass right by every ship and no one would see or notice a thing. It’s just an impulse passing through the water. Only scientific instruments could measure it. And yet our crew certainly felt it. Mind you, our captain is an excellent observer, with 30 years of exper…

A tsunami warning was issued for the North of New Zealand but quickly cancelled.

Tsunami alert after earthquake of 8.2 near Alaska

Maritime News

Kennebec_Captain July 29, 2021, 4:25pm 6

Then you got your seaquakes:

Topic		Replies	Views
Seaquakes- Actual Shaking, usually felt on vessels due to the arrival of elastic (acoustic) waves through water Professional Mariner Forum	18	2723	January 23, 2018
Tsunami warnings issued for most of the Pacific after 8.8 earth quake off Kamchatka Professional Mariner Forum	0	78	July 30, 2025
Seaquakes - again Scuttlebutt	3	175	December 24, 2024
A Question for people in the Know Professional Mariner Forum	12	2359	July 28, 2008
Ak earthquake Marine Weather	2	843	November 30, 2018

Tsunami alert after earthquake of 8.2 near Alaska

Related topics