2.8

M2.8 Earthquake in the Unimak Island region, Alaska — January 21, 2023

2023-01-21 20:04:01 UTC (2023-01-21) · approx. 9:04 AM UTC-11 local

MagnitudeM2.8(ml)
Time20:04 UTC≈ 9:04 AM UTC-11
Depth35.0 kmshallow crustal
Coordinates53.404°, -163.691°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 53.40°, -163.69°

Earthquake Details

Magnitude
2.8 ml
Depth
35.0 km
shallow crustal
Location
53.4040°N
-163.6908°E

Technical Information

Event ID
us6000jlac
Event Type
earthquake
Status
✓ Reviewed
Significance
121
Stations Used
15
Azimuthal Gap
243.0°
Min Station Distance
1.194°
RMS Residual
0.39 sec
Last Updated
2023-03-31 19:44:16 UTC

Nearby Earthquakes (Last 7 Days)

4.2
88 km SSW of Nikolski, Alaska
1 hour ago · 35.0 km deep
3.4
84 km SSW of Nikolski, Alaska
1 hour ago · 9.2 km deep
3.7
60 km NNW of Nelson Lagoon, Alaska
1 hour ago · 194.6 km deep
5.5
100 km S of Nikolski, Alaska
1 hour ago · 10.0 km deep
3.3
102 km S of Nikolski, Alaska
2 hours ago · 9.5 km deep
2.8
106 km SSW of Nikolski, Alaska
2 hours ago · 10.9 km deep
3.3
106 km SSW of Nikolski, Alaska
2 hours ago · 13.7 km deep
2.7
89 km S of Nikolski, Alaska
3 hours ago · 7.4 km deep
3.4
90 km SSW of Nikolski, Alaska
3 hours ago · 18.4 km deep
3.0
77 km S of Nikolski, Alaska
3 hours ago · 9.1 km deep

Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.8 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us6000jlac). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, January 21, 2023). M2.8 Earthquake in the Unimak Island region, Alaska — January 21, 2023. Retrieved March 31, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000jlac/