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M0.0 earthquake 80 km W of Kenai, Alaska, United States

A magnitude 0.0 earthquake struck 80 km W of Kenai, Alaska, United States at 18:40 local time (02:40 UTC) on 1 Oct 2026, at a depth of 3 km, according to USGS.

Data: USGS · updated 2026-10-02 23:07 UTC · reviewed

Magnitude
0.0micro
local magnitude (Richter) (ml)
Depth
3.3 km
Status
Reviewed
Origin time
2026-10-02 02:40:37 UTC
Local: 1 Oct 2026, 18:40:37 (America/Anchorage)
Epicentre
60.658° N, 152.702° W

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Circles show this event and others within 30 km from 7 days before to 30 days after. Lines: plate boundaries and GEM active faults. Open on the live map

Nearby places

Distance and estimated shaking at nearby places
PlaceDistanceEst. shaking
KenaiAlaska, United States · pop. 7,66180 kmINot felt
KalifornskyAlaska, United States · pop. 7,85082 kmINot felt
AnchorageAlaska, United States · pop. 289,600164 kmINot felt

Shaking is an estimate from the intensity prediction equation of Allen, Wald & Worden (2012), not an observation. Local ground and buildings can change it by a level or more.

Every agency's solution

Agencies locate earthquakes with their own stations and methods, so their numbers differ. We match reports of the same event by time, distance and magnitude and show them side by side. The headline uses USGS · AV, which has been reviewed by an analyst.

AgencyMagnitudeDepthEpicentreTime offsetStatus
USGS · AVheadlineAlaska Volcano Observatory via U.S. Geological Survey0.0 ml3.3 km60.66° N, 152.70° W–Reviewed

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How big was it?

Usually not felt. Recorded by nearby seismometers; thousands occur worldwide every day.

It released roughly the energy of 16 g of TNT. Magnitude is logarithmic: each whole step means about 32 times more energy and 10 times larger waves on a seismogram. Depth matters too: at 3 km this was a shallow earthquake, which is felt more strongly at the surface than a deeper one of the same size.

M1.0 releases about 30× the energy of M0.0, and its waves are about 9.5× taller on a seismogram. Energy: 477 g of TNT vs 16 g of TNT.

Each square is the energy of one M0.0. Energy from log₁₀E = 1.5M + 4.8.

Aftershocks and nearby activity

3 later earthquakes within 30 km; the largest was M1.3 2 h 30 min ago. 12 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M0.0

3 later earthquakes nearby. Aftershock rates typically fall off roughly as 1/time (Omori's law).

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
1.49-0.93
3.790.54
20.491.3131
  1. 1.379 km WNW of Kenai, Alaska, United States10-02 23:10
  2. 0.585 km W of Kalifornsky, Alaska, United States10-02 06:28
  3. -0.980 km W of Kalifornsky, Alaska, United States10-02 04:10

Did you feel it?

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Reports on SeismoAtlas

No reports yet.

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Event id av94457801. First recorded here 2 Oct 2026, 23:08:42 UTC. Solutions: USGS · AV (usgs:av94457801). Cite as: SeismoAtlas, “M0.0 earthquake 80 km W of Kenai, Alaska, United States”, https://seismoatlas.com/earthquake/av94457801-m0-0-earthquake-80-km-w-of-kenai-alaska-united-states, data from USGS.

JSON: /api/v1/events/av94457801. SeismoAtlas is not an official warning service.