2.8

M2.8 Earthquake near Rat Islands, Aleutian Islands, Alaska — July 31, 2023

2023-07-31 17:27:05 UTC (2023-07-31) · approx. 5:27 AM UTC+12 local

MagnitudeM2.8(ml)
Time17:27 UTC≈ 5:27 AM UTC+12
Depth110.5 kmintermediate depth
Coordinates51.770°, 178.233°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.77°, 178.23°

Earthquake Details

Magnitude
2.8 ml
Depth
110.5 km
intermediate depth
Location
51.7696°N
178.2331°E

Technical Information

Event ID
us6000kz9l
Event Type
earthquake
Status
✓ Reviewed
Significance
121
Stations Used
14
Azimuthal Gap
281.0°
Min Station Distance
0.249°
RMS Residual
0.30 sec
Last Updated
2023-10-07 21:39:00 UTC

Nearby Earthquakes (Last 7 Days)

4.4
Rat Islands, Aleutian Islands, Alaska
1 day ago · 35.0 km deep
4.1
123 km SE of Adak, Alaska
1 day ago · 16.4 km deep
4.7
103 km W of Attu Station, Alaska
4 days ago · 10.0 km deep
3.0
Rat Islands, Aleutian Islands, Alaska
4 days ago · 9.3 km deep
2.8
Rat Islands, Aleutian Islands, Alaska
4 days ago · 15.1 km deep
2.7
164 km N of Adak, Alaska
4 days ago · 8.7 km deep
3.0
73 km S of Adak, Alaska
4 days ago · 18.9 km deep
2.5
78 km SW of Adak, Alaska
5 days ago · 7.3 km deep
2.7
47 km SSW of Adak, Alaska
5 days ago · 65.5 km deep
2.9
58 km SSW of Adak, Alaska
5 days ago · 0.5 km deep

Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.8 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us6000kz9l). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, July 31, 2023). M2.8 Earthquake near Rat Islands, Aleutian Islands, Alaska — July 31, 2023. Retrieved October 7, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000kz9l/