2.1

M2.1 Earthquake 16 km E of Willow, Alaska — September 21, 2023

2023-09-21 18:20:22 UTC (2023-09-21) · approx. 8:20 AM UTC-10 local

MagnitudeM2.1(ml)
Time18:20 UTC≈ 8:20 AM UTC-10
Depth20.6 kmshallow crustal
Coordinates61.772°, -149.734°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 61.77°, -149.73°

Earthquake Details

Magnitude
2.1 ml
Depth
20.6 km
shallow crustal
Location
61.7717°N
-149.7345°E

Technical Information

Event ID
ak023c4wpr99
Event Type
earthquake
Status
✓ Reviewed
Significance
68
RMS Residual
0.60 sec
Last Updated
2023-10-04 00:33:03 UTC

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Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: ak023c4wpr99). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, September 21, 2023). M2.1 Earthquake 16 km E of Willow, Alaska — September 21, 2023. Retrieved October 4, 2023 from https://www.earthquaketracker.org/earthquakes/event/ak023c4wpr99/