2.0

M2.0 Earthquake 77 km S of Unalaska, Alaska — October 31, 2021

2021-10-31 23:11:48 UTC (2021-10-31) · approx. 12:11 PM UTC-11 local

MagnitudeM2.0(ml)
Time23:11 UTC≈ 12:11 PM UTC-11
Depth25.6 kmshallow crustal
Coordinates53.188°, -166.735°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 53.19°, -166.73°

Earthquake Details

Magnitude
2.0 ml
Depth
25.6 km
shallow crustal
Location
53.1885°N
-166.7346°E

Technical Information

Event ID
ak021dz54xq8
Event Type
earthquake
Status
✓ Reviewed
Significance
62
RMS Residual
0.41 sec
Last Updated
2021-12-07 18:28:48 UTC

Nearby Earthquakes (Last 7 Days)

3.5
48 km WSW of Nikolski, Alaska
16 hours ago · 72.1 km deep
3.6
112 km SE of Atka, Alaska
1 day ago · 0.0 km deep
3.8
169 km WSW of Nikolski, Alaska
1 day ago · 109.9 km deep
3.8
95 km SSW of Nikolski, Alaska
1 day ago · 24.9 km deep
3.8
166 km W of Nikolski, Alaska
1 day ago · 97.5 km deep
4.1
173 km W of Nikolski, Alaska
1 day ago · 97.2 km deep
3.5
163 km W of Nikolski, Alaska
1 day ago · 95.1 km deep
6.5
169 km W of Nikolski, Alaska
1 day ago · 98.0 km deep
3.2
178 km E of Atka, Alaska
2 days ago · 2.7 km deep
2.5
106 km SSW of False Pass, Alaska
2 days ago · 4.2 km deep

Actions

View on USGSDid You Feel It?

Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.0 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: ak021dz54xq8). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, October 31, 2021). M2.0 Earthquake 77 km S of Unalaska, Alaska — October 31, 2021. Retrieved December 7, 2021 from https://www.earthquaketracker.org/earthquakes/event/ak021dz54xq8/