Skip to main content

Earthquakes
- Earthquake Map
- Earthquake List
- Earthquakes in Alaska
- Seismicity Reports
  - Weekly Report
  - Monthly Report
- ShakeMaps
- Significant Events
- Other Seismicity
- Recent Volcanic Seismicity
Tsunamis
Seismic Network
About Us

Summary
Seismograms
Downloads
Station table

Magnitude 4.0 - 19 miles SE of Semisopochnoi Island

August 21, 2023 06:45:05 AKDT
51.7492°N 179.9190°E Depth 12.7 miles

© AEC 2022
2156 Koyukuk Drive, PO Box 757320, Fairbanks, AK 99775
907-474-7320
uaf-aec@alaska.edu

UAF is an Affirmative Action/Equal Opportunity employer, educational institution and provider and prohibits illegal discrimination against any individual: www.alaska.edu/nondiscrimination

If you have difficulty accessing the information on this website due to a disability, please contact the web administrator by email at uaf-aec@alaska.edu or by phone at 907-474-7320
UA is committed to providing accessible websites. Learn more about UA’s notice of web accessibility.
Learn more about UA's notice of nondiscrimination