2.1

M2.1 Earthquake 43 km SE of Perryville, Alaska — August 18, 2026

2026-08-18 20:33:00 UTC (2026-08-18) · approx. 9:33 AM UTC-11 local

MagnitudeM2.1(ml)
Time20:33 UTC≈ 9:33 AM UTC-11
Depth54.5 kmshallow crustal
Coordinates55.588°, -158.755°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 55.59°, -158.75°

Earthquake Details

Magnitude
2.1 ml
Depth
54.5 km
shallow crustal
Location
55.5880°N
-158.7550°E

Technical Information

Event ID
aka2026qiodfx
Event Type
earthquake
Status
✓ Reviewed
Significance
68
Stations Used
14
Azimuthal Gap
225.0°
Min Station Distance
0.600°
RMS Residual
0.50 sec
Last Updated
2026-08-19 06:21:59 UTC

Nearby Earthquakes (Last 7 Days)

2.6
48 km SSE of Perryville, Alaska
2 hours ago · 5.0 km deep
3.5
53 km SE of Sand Point, Alaska
3 hours ago · 35.0 km deep
2.7
76 km S of Perryville, Alaska
4 hours ago · 5.0 km deep
3.7
37 km SW of Karluk, Alaska
15 hours ago · 50.9 km deep
3.1
77 km WSW of Akhiok, Alaska
1 day ago · 52.0 km deep
3.8
163 km S of Akhiok, Alaska
1 day ago · 20.0 km deep
5.0
248 km SSE of False Pass, Alaska
2 days ago · 10.0 km deep
3.6
55 km SE of Chignik, Alaska
2 days ago · 33.7 km deep
2.6
90 km N of Karluk, Alaska
2 days ago · 5.0 km deep
2.6
37 km WSW of Aleneva, Alaska
4 days ago · 51.0 km deep

Actions

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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: aka2026qiodfx). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, August 18, 2026). M2.1 Earthquake 43 km SE of Perryville, Alaska — August 18, 2026. Retrieved August 19, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026qiodfx/