Alert level lowered on remote Alaska volcano

August 31, 2011

(AP) -- The Alaska Volcano Observatory has lowered the alert level for a remote Aleutian Islands volcano from "watch" to "advisory."

Satellite data over the past two weeks indicates that growth of the Cleveland Volcano lava dome has paused or stopped.

U.S. Geological Survey scientist in charge John Power says the eruption appears to have been predominantly effusive - rather than explosive - and confined to the summit crater. He likened it to an oozing pile of toothpaste.

The alert level was raised in July after satellites detected persistent thermal anomalies. No significant ash emissions were detected.

Cleveland Volcano is 940 miles southwest of Anchorage.

The volcano's most recent significant eruption began in February 2001 and produced three explosive events that produced as high as 39,000 feet.

Explore further: Grenada reports decreased activity at underwater volcano

0 shares

Related Stories

Undersea volcano called Kick 'em Jenny rumbling off Grenada

July 24, 2015

An active underwater volcano off Grenada's northern coast called Kick 'em Jenny was rumbling Thursday and regional disaster authorities were put on alert, though they said it posed no threat of triggering a destructive tsunami.

What is the Haleakala Volcano?

July 13, 2015

Hawaii is famous for its lovely mountains, tropical climate, and majestic oceanfront vistas. Another thing it is famous for is the string of volcanoes that dot its islands. As a land that sits atop a geographic hot spot – ...

Recommended for you

A cataclysmic event of a certain age

July 27, 2015

At the end of the Pleistocene period, approximately 12,800 years ago—give or take a few centuries—a cosmic impact triggered an abrupt cooling episode that earth scientists refer to as the Younger Dryas.

'Carbon sink' detected underneath world's deserts

July 28, 2015

The world's deserts may be storing some of the climate-changing carbon dioxide emitted by human activities, a new study suggests. Massive aquifers underneath deserts could hold more carbon than all the plants on land, according ...

0 comments

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.