2.1

M2.1 Earthquake 120 km WSW of Adak, Alaska — July 20, 2026

2026-07-20 21:07:37 UTC (6 days ago) · approx. 9:07 AM UTC-12 local

MagnitudeM2.1(ml)
Time21:07 UTC≈ 9:07 AM UTC-12
Depth20.4 kmshallow crustal
Coordinates51.325°, -178.129°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.33°, -178.13°

Earthquake Details

Magnitude
2.1 ml
Depth
20.4 km
shallow crustal
Location
51.3250°N
-178.1290°E

Technical Information

Event ID
aka2026ohaquh
Event Type
earthquake
Status
✓ Reviewed
Significance
68
Stations Used
16
Azimuthal Gap
255.0°
Min Station Distance
0.500°
RMS Residual
0.40 sec
Last Updated
2026-07-23 17:47:56 UTC

Nearby Earthquakes (Last 7 Days)

3.9
112 km SW of Atka, Alaska
13 hours ago · 35.0 km deep
3.7
91 km SE of Atka, Alaska
14 hours ago · 11.9 km deep
3.3
232 km ESE of Attu Station, Alaska
15 hours ago · 0.0 km deep
3.2
151 km SSE of Atka, Alaska
16 hours ago · 10.0 km deep
4.3
72 km SE of Atka, Alaska
16 hours ago · 43.2 km deep
5.8
99 km SE of Atka, Alaska
21 hours ago · 10.0 km deep
4.1
80 km SE of Atka, Alaska
1 day ago · 51.7 km deep
4.0
136 km SSE of Atka, Alaska
1 day ago · 10.0 km deep
3.3
151 km W of Adak, Alaska
1 day ago · 15.8 km deep
5.0
91 km SE of Atka, Alaska
1 day ago · 40.8 km deep

Actions

View on USGSDid You Feel It?

Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: aka2026ohaquh). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, July 20, 2026). M2.1 Earthquake 120 km WSW of Adak, Alaska — July 20, 2026. Retrieved July 23, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026ohaquh/