After big earthquake, aftershocks continue to rattle Alaska

Nearly three weeks after a 7.0-magnitude earthquake shook up southcentral Alaska, the state continues to register frequent aftershocks.

Anchorage television station KTUU reports have registered nearly 5,000 aftershocks since the Nov. 30 earthquake.

The large caused millions in damage but no deaths or injuries.

Seismologists at the Alaska Earthquake Center say the frequency of aftershocks has slowed but remains "way above" background levels before last month's quake.

Center network manager Natalia Rupert says the region before Nov. 30 averaged several earthquakes per day. Since then, the region has experienced an aftershock every couple of minutes.

Most aftershocks are smaller than 3.0-magnitude.

Only about 120 aftershocks since Dec. 4 have registered at 3.0 or greater.

Nine aftershocks registered at larger than 4.0.

© 2018 The Associated Press. All rights reserved.

Citation: After big earthquake, aftershocks continue to rattle Alaska (2018, December 19) retrieved 25 June 2024 from
This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.

Explore further

2 tremors hit near Greek island within 7 minutes


Feedback to editors