2.5

M2.5 Earthquake near Rat Islands, Aleutian Islands, Alaska — December 9, 2021

2021-12-09 19:54:59 UTC (2021-12-09) · approx. 7:54 AM UTC+12 local

MagnitudeM2.5(ml)
Time19:54 UTC≈ 7:54 AM UTC+12
Depth5.1 kmshallow crustal
Coordinates51.992°, 178.323°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.99°, 178.32°

Earthquake Details

Magnitude
2.5 ml
Depth
5.1 km
shallow crustal
Location
51.9920°N
178.3235°E

Technical Information

Event ID
av91045453
Event Type
earthquake
Status
✓ Reviewed
Significance
95
Stations Used
6
Azimuthal Gap
340.0°
RMS Residual
0.22 sec
Last Updated
2021-12-10 04:06:12 UTC

Nearby Earthquakes (Last 7 Days)

3.5
Rat Islands, Aleutian Islands, Alaska
1 day ago · 57.3 km deep
3.4
160 km WSW of Adak, Alaska
2 days ago · 35.0 km deep
3.1
113 km SW of Adak, Alaska
2 days ago · 35.0 km deep
2.7
243 km WSW of Adak, Alaska
2 days ago · 9.1 km deep
2.5
85 km WSW of Atka, Alaska
2 days ago · 108.0 km deep
3.4
Rat Islands, Aleutian Islands, Alaska
2 days ago · 20.0 km deep
3.0
134 km SW of Adak, Alaska
2 days ago · 14.6 km deep
3.1
257 km SSW of Adak, Alaska
2 days ago · 20.0 km deep
2.5
55 km SE of Adak, Alaska
2 days ago · 37.2 km deep
2.9
271 km WSW of Adak, Alaska
2 days ago · 67.3 km deep

Actions

View on USGSDid You Feel It?

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: av91045453). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, December 9, 2021). M2.5 Earthquake near Rat Islands, Aleutian Islands, Alaska — December 9, 2021. Retrieved December 10, 2021 from https://www.earthquaketracker.org/earthquakes/event/av91045453/