2.8

M2.8 Earthquake 233 km ESE of Attu Station, Alaska — July 20, 2026

2026-07-20 02:03:45 UTC (2 days ago) · approx. 2:03 PM UTC+12 local

MagnitudeM2.8(ml)
Time02:03 UTC≈ 2:03 PM UTC+12
Depth4.3 kmshallow crustal
Coordinates51.901°, 176.240°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.90°, 176.24°

Earthquake Details

Magnitude
2.8 ml
Depth
4.3 km
shallow crustal
Location
51.9010°N
176.2400°E

Technical Information

Event ID
aka2026ofonan
Event Type
earthquake
Status
✓ Reviewed
Significance
121
Stations Used
8
Azimuthal Gap
199.0°
Min Station Distance
1.400°
RMS Residual
0.50 sec
Last Updated
2026-07-22 18:57:09 UTC

Nearby Earthquakes (Last 7 Days)

3.5
199 km WSW of Adak, Alaska
2 days ago · 8.7 km deep
3.0
229 km ESE of Attu Station, Alaska
2 days ago · 5.0 km deep
3.0
231 km ESE of Attu Station, Alaska
2 days ago · 3.6 km deep
3.1
230 km ESE of Attu Station, Alaska
2 days ago · 2.9 km deep
2.6
228 km ESE of Attu Station, Alaska
2 days ago · 7.5 km deep
4.1
235 km ESE of Attu Station, Alaska
2 days ago · 34.5 km deep
3.4
219 km SE of Attu Station, Alaska
3 days ago · 72.8 km deep
3.3
232 km ESE of Attu Station, Alaska
3 days ago · 20.0 km deep
3.8
Rat Islands, Aleutian Islands, Alaska
3 days ago · 65.4 km deep
2.7
230 km ESE of Attu Station, Alaska
3 days ago · 20.0 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: aka2026ofonan). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, July 20, 2026). M2.8 Earthquake 233 km ESE of Attu Station, Alaska — July 20, 2026. Retrieved July 22, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026ofonan/