2.1

M2.1 Earthquake 19 km S of Nikolski, Alaska — July 21, 2023

2023-07-21 17:26:07 UTC (2023-07-21) · approx. 6:26 AM UTC-11 local

MagnitudeM2.1(ml)
Time17:26 UTC≈ 6:26 AM UTC-11
Depth45.0 kmshallow crustal
Coordinates52.761°, -168.834°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 52.76°, -168.83°

Earthquake Details

Magnitude
2.1 ml
Depth
45.0 km
shallow crustal
Location
52.7614°N
-168.8339°E

Technical Information

Event ID
ak0239acu27u
Event Type
earthquake
Status
✓ Reviewed
Significance
68
RMS Residual
0.30 sec
Last Updated
2023-07-28 16:12:28 UTC

Nearby Earthquakes (Last 7 Days)

4.1
123 km SE of Adak, Alaska
1 day ago · 16.4 km deep
4.4
84 km SE of Akutan, Alaska
2 days ago · 37.0 km deep
3.9
95 km SE of Akutan, Alaska
2 days ago · 36.9 km deep
4.3
70 km SW of Nikolski, Alaska
2 days ago · 42.2 km deep
3.4
130 km WSW of Nikolski, Alaska
3 days ago · 35.0 km deep
3.4
127 km SW of Nikolski, Alaska
3 days ago · 35.0 km deep
2.7
265 km SSW of Nikolski, Alaska
4 days ago · 10.0 km deep
2.9
33 km ENE of Akutan, Alaska
5 days ago · 85.5 km deep
2.6
149 km SSW of Atka, Alaska
5 days ago · 19.9 km deep
2.5
111 km ESE of Akutan, Alaska
5 days ago · 19.7 km deep

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: ak0239acu27u). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, July 21, 2023). M2.1 Earthquake 19 km S of Nikolski, Alaska — July 21, 2023. Retrieved July 28, 2023 from https://www.earthquaketracker.org/earthquakes/event/ak0239acu27u/