2.5

M2.5 Earthquake 136 km SW of Nikolski, Alaska — October 30, 2021

2021-10-30 23:45:34 UTC (2021-10-30) · approx. 12:45 PM UTC-11 local

MagnitudeM2.5(ml)
Time23:45 UTC≈ 12:45 PM UTC-11
Depth18.9 kmshallow crustal
Coordinates52.051°, -170.244°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 52.05°, -170.24°

Earthquake Details

Magnitude
2.5 ml
Depth
18.9 km
shallow crustal
Location
52.0513°N
-170.2437°E

Technical Information

Event ID
us6000g9qn
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Azimuthal Gap
220.0°
Min Station Distance
0.802°
RMS Residual
0.69 sec
Last Updated
2022-01-14 17:58:40 UTC

Nearby Earthquakes (Last 7 Days)

3.5
48 km WSW of Nikolski, Alaska
17 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
2.6
66 km SE of Adak, Alaska
2 days ago · 35.1 km deep
3.2
178 km E of Atka, Alaska
2 days ago · 2.7 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: us6000g9qn). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, October 30, 2021). M2.5 Earthquake 136 km SW of Nikolski, Alaska — October 30, 2021. Retrieved January 14, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000g9qn/