USGS · August 4, 2026

Magnitude 3.3 earthquake — 48 km NE of Susitna North, Alaska

A magnitude 3.3 earthquake was recorded near 48 km NE of Susitna North, Alaska on Aug 4, 2026, 01:45 AM (local time at the epicentre — AKDT, UTC-8), at a depth of about 60.9 km, according to USGS.

USGSFelt by 2 people · community intensity II (weak)Shallow (0–70 km)Reviewed by a seismologist

Updated 2026-08-24 20:46 UTC

The full record

Magnitude
M 3.3 · local (Richter) magnitude
Location
48 km NE of Susitna North, Alaska
Local time at the epicentre
Aug 4, 2026, 01:45 AM — AKDT, UTC-8
Time (UTC)
2026-08-04 09:45 UTC
Depth
60.9 km · Shallow (0–70 km)
Coordinates
62.441, -149.140
Felt reports
Felt by 2 people · community intensity II (weak)
Tsunami
No tsunami evaluation was flagged for this earthquake.
Significance
168 / 1000 · routine event
Solution quality
155 seismic stations used · 24° azimuthal gap (well-constrained epicentre)
Review status
Reviewed by a seismologist
Catalog
USGS

Open the official catalog record

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.

People who reported it described intensity 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 59,956 within 100 km. Distances are from the epicentre to the town centre.

PlaceDistancePopulation
Susitna North48.1 km SW1,260
Fishhook77.7 km S4,679
Sutton-Alpine82.2 km S1,447
Farm Loop89.2 km S1,028
Willow90.2 km SSW2,102
Lazy Mountain91.2 km S1,479
Tanaina91.8 km S8,197
Lakes93.1 km S8,364
Palmer93.6 km S6,788
Meadow Lakes93.9 km SSW7,570

Earthquake history in this area

No earthquake of magnitude 4.5+ has been recorded within 200 km of this epicentre since 1960, in Alaska.

Other earthquakes near this epicentre

3 other events within 100 km in the last 30 days.

Be first to know about the next earthquake near 48 km NE of Susitna North, Alaska

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Frequently asked questions

How strong was the 48 km NE of Susitna North, Alaska earthquake?

Magnitude 3.3 (local (Richter) magnitude), at a depth of 60.9 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?

Aug 4, 2026, 01:45 AM (local time at the epicentre — AKDT, UTC-8). In universal time: 2026-08-04 09:45 UTC.

Was it felt?

Felt by 2 people · community intensity II (weak). 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 Susitna North, 48.1 km SW (population 1,260).

Are earthquakes normal in this area?

3 further events were recorded within 100 km of the epicentre 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) and, in Venezuela, FUNVISIS. Populated places and time zones: GeoNames (CC BY 4.0). Preliminary solutions are revised as more observations arrive.