USGS · October 19, 2026
Magnitude 3.6 earthquake near Unalaska, Alaska
A magnitude 3.6 earthquake was recorded near 87 km SE of Unalaska, Alaska on Oct 19, 2026, 11:54 AM (local time at the epicentre — AKDT, UTC-8), at a depth of about 18.0 km, according to USGS.
USGSShaking IIShallow (0–70 km)Reviewed by a seismologist
Updated 2026-10-20 01:16 UTC
The full record
- Magnitude
- M 3.6 · local (Richter) magnitude
- Location
- 87 km SE of Unalaska, Alaska
- Local time at the epicentre
- Oct 19, 2026, 11:54 AM — AKDT, UTC-8
- Time (UTC)
- 2026-10-19 19:54 UTC
- Depth
- 18.0 km · Shallow (0–70 km)
- Coordinates
- 53.307, -165.619
- Felt reports
- No “Did You Feel It?” reports submitted
- Estimated shaking
- II · Weak
- Tsunami
- No tsunami evaluation was flagged for this earthquake.
- Significance
- 199 / 1000 · routine event
- Solution quality
- 62 seismic stations used · 209° azimuthal gap (less well-constrained epicentre)
- Review status
- Reviewed by a seismologist
- Catalog
- USGS
Epicentre and nearby recent earthquakes
The highlighted circle is this earthquake. Smaller circles are other events recorded nearby in the last 30 days.
What the shaking was like
Shallow earthquakes release their energy close to the surface, so they are felt more strongly nearby than a deeper earthquake of the same magnitude.
Estimated instrumental shaking II (Weak): Felt by a few people at rest, mostly on upper floors.
Felt it yourself? USGS collects first-hand reports through “Did You Feel It?”, and those reports are what produce the community intensity above.
Who lives nearby
About 0 people live in towns within 30 km of the epicentre, and 9,907 within 100 km. Distances are from the epicentre to the town centre.
| Place | Distance | Population |
|---|---|---|
| Unalaska | 87.3 km NW | 4,491 |
| Dutch Harbor | 88.9 km NW | 4,376 |
| Akutan | 92.6 km N | 1,040 |
Earthquake history in this area
12 earthquakes of magnitude 4.5+ have been recorded within 200 km of this epicentre since 1960, in Alaska.
Other earthquakes near this epicentre
6 other events within 100 km in the last 30 days.
Be first to know about the next earthquake near 87 km SE of Unalaska, Alaska
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Frequently asked questions
How strong was the 87 km SE of Unalaska, Alaska earthquake?
Magnitude 3.6 (local (Richter) magnitude), at a depth of 18.0 km. Shallow earthquakes release their energy close to the surface, so they are felt more strongly nearby than a deeper earthquake of the same magnitude.
Exactly when did it happen?
Oct 19, 2026, 11:54 AM (local time at the epicentre — AKDT, UTC-8). In universal time: 2026-10-19 19:54 UTC.
Was it felt?
No “Did You Feel It?” reports were submitted for this event. Felt by a few people at rest, mostly on upper floors.
Was there a tsunami warning?
No tsunami evaluation was flagged for this earthquake.
Which towns are closest to the epicentre?
The closest is Unalaska, 87.3 km NW (population 4,491).
Are earthquakes normal in this area?
Yes. The largest earthquake recorded within 200 km since 1960 was magnitude 7.8 (81 km E of Nikolski, Alaska, 1965), and 6 further events were recorded within 100 km in the last 30 days.
How do I get alerts for the next earthquake here?
Install the free SeismoWatch Android app, draw a box over this area, set a minimum magnitude, and turn alerts on.
About this page
Event data: U.S. Geological Survey (USGS), the European-Mediterranean Seismological Centre (EMSC), in Venezuela FUNVISIS and in Brazil the RSBR through the Centro de Sismologia da USP. Populated places and time zones: GeoNames (CC BY 4.0). Preliminary solutions are revised as more observations arrive.