Strong and shallow M6.9 earthquake hits Alaska Peninsula, U.S.
A strong and shallow earthquake registered by the USGS as M6.5 hit the Alaska Peninsula, U.S. at 09:10 UTC on October 11, 2021. The agency is reporting a depth of 69.1 km (42.9 miles). EMSC is reporting M6.8 at a depth of 51 km (31 miles).
The epicenter was located 118.5 km (73.5 miles) E of Chignik (population 87) and 670.8 km (415.9 miles) SSW of Anchorage (population 298 695), Alaska.
10 000 people are estimated to have felt light shaking.
Based on earthquake information and historic tsunami records, this earthquake is not expected to generate a tsunami, NWS NTWC said.
There is no tsunami danger for the U.S. West Coast, British Columbia, or Alaska.
The USGS issued a Green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.
Overall, the population in this region resides in structures that are resistant to earthquake shaking, though vulnerable structures exist. The predominant vulnerable building types are unreinforced brick masonry and reinforced masonry construction.
Image credit: TW/SAM, Google
Featured image credit: TW/SAM, Google
If you value what we do here, create your ad-free account and support our journalism.
Your support makes a difference
Dear valued reader,
We hope that our website has been a valuable resource for you.
The reality is that it takes a lot of time, effort, and resources to maintain and grow this website. We rely on the support of readers like you to keep providing high-quality content.
If you have found our website to be helpful, please consider making a contribution to help us continue to bring you the information you need. Your support means the world to us and helps us to keep doing what we love.
Support us by choosing your support level – Silver, Gold or Platinum. Other support options include Patreon pledges and sending us a one-off payment using PayPal.
Thank you for your consideration. Your support is greatly appreciated.
Commenting rules and guidelines
We value the thoughts and opinions of our readers and welcome healthy discussions on our website. In order to maintain a respectful and positive community, we ask that all commenters follow these rules:
We reserve the right to remove any comments that violate these rules. By commenting on our website, you agree to abide by these guidelines. Thank you for helping to create a positive and welcoming environment for all.