2.8

M2.8 Earthquake 112 km E of Chignik, Alaska — September 20, 2026

2026-09-20 19:59:16 UTC (2026-09-20) · approx. 9:59 AM UTC-10 local

MagnitudeM2.8(ml)
Time19:59 UTC≈ 9:59 AM UTC-10
Depth1.3 kmshallow crustal
Coordinates56.148°, -156.615°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 56.15°, -156.62°

Earthquake Details

Magnitude
2.8 ml
Depth
1.3 km
shallow crustal
Location
56.1480°N
-156.6150°E

Technical Information

Event ID
aka2026srlstj
Event Type
earthquake
Status
✓ Reviewed
Significance
121
Stations Used
27
Azimuthal Gap
196.0°
Min Station Distance
1.100°
RMS Residual
0.50 sec
Last Updated
2026-09-25 23:11:50 UTC

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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: aka2026srlstj). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, September 20, 2026). M2.8 Earthquake 112 km E of Chignik, Alaska — September 20, 2026. Retrieved September 25, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026srlstj/