2.1

M2.1 Earthquake near Rat Islands, Aleutian Islands, Alaska — September 20, 2023

2023-09-20 18:04:44 UTC (2023-09-20) · approx. 6:04 AM UTC+12 local

MagnitudeM2.1(ml)
Time18:04 UTC≈ 6:04 AM UTC+12
Depth96.3 kmintermediate depth
Coordinates51.842°, 178.619°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.84°, 178.62°

Earthquake Details

Magnitude
2.1 ml
Depth
96.3 km
intermediate depth
Location
51.8417°N
178.6187°E

Technical Information

Event ID
ak023c393136
Event Type
earthquake
Status
✓ Reviewed
Significance
68
RMS Residual
0.27 sec
Last Updated
2023-10-03 20:13:49 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: ak023c393136). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, September 20, 2023). M2.1 Earthquake near Rat Islands, Aleutian Islands, Alaska — September 20, 2023. Retrieved October 3, 2023 from https://www.earthquaketracker.org/earthquakes/event/ak023c393136/