2.5

M2.5 Earthquake 85 km S of False Pass, Alaska — September 21, 2023

2023-09-21 17:12:55 UTC (2023-09-21) · approx. 6:12 AM UTC-11 local

MagnitudeM2.5(ml)
Time17:12 UTC≈ 6:12 AM UTC-11
Depth35.0 kmshallow crustal
Coordinates54.084°, -163.468°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 54.08°, -163.47°

Earthquake Details

Magnitude
2.5 ml
Depth
35.0 km
shallow crustal
Location
54.0837°N
-163.4676°E

Technical Information

Event ID
us6000lcnf
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
19
Azimuthal Gap
210.0°
Min Station Distance
0.585°
RMS Residual
0.26 sec
Last Updated
2023-12-02 23:01:06 UTC

Nearby Earthquakes (Last 7 Days)

2.8
74 km ESE of Akutan, Alaska
23 hours ago · 51.3 km deep
2.6
112 km SSE of False Pass, Alaska
1 day ago · 10.2 km deep
2.9
43 km ESE of Perryville, Alaska
1 day ago · 53.9 km deep
2.7
81 km SE of Unalaska, Alaska
3 days ago · 16.8 km deep
3.5
104 km SSE of Sand Point, Alaska
3 days ago · 35.0 km deep
3.2
196 km SE of Perryville, Alaska
3 days ago · 35.7 km deep
2.6
76 km SSE of Nikolski, Alaska
3 days ago · 4.2 km deep
2.8
108 km S of False Pass, Alaska
3 days ago · 10.0 km deep
4.2
100 km S of False Pass, Alaska
3 days ago · 30.9 km deep
2.5
87 km SSE of Akutan, Alaska
3 days ago · 4.4 km deep

Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.5 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us6000lcnf). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, September 21, 2023). M2.5 Earthquake 85 km S of False Pass, Alaska — September 21, 2023. Retrieved December 2, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000lcnf/