M4.8 earthquake 127 km S of False Pass, Alaska
A magnitude 4.8 earthquake struck 127 km S of False Pass, Alaska on Thu, Oct 1, 2026, 6:46 AM AKDT (14:46 UTC), 35 km (22 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2026-10-01 14:46:19 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 53.723° N, 163.724° W
- Region
- Alaska
- Strongest shaking
- III, weak shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 4.8 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Preliminary · ±0.058 · 93 stations |
| 4.5 | ML, local (Richter) | Alaska Earthquake Center | Preliminary · ±0.1 · 60 stations |
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- III, weak shaking
- Peak ground acceleration
- 0.3% of gravity
- Peak ground velocity
- 0.2 cm/s
- Map
- Automatic
Did you feel it?
No one has reported feeling this quake to the USGS. If you felt it, tell the USGS: every report sharpens the shaking map.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.9 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- Operator assigned
- Station coverage gap
- 166°
- Stations used
- 68
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 0 since this one and 76 in the 30 days before it.
Before
- 3.0120 km SSW of False Pass, Alaska · 4 days ago · 20 km deep · 21 km away
- 2.683 km ESE of Akutan, Alaska · 4 days ago · 24 km deep · 59 km away
- 2.691 km SE of Akutan, Alaska · 4 days ago · 20 km deep · 87 km away
- 3.5123 km S of False Pass, Alaska · 6 days ago · 12 km deep · 40 km away
- 3.0114 km SSE of Akutan, Alaska · 7 days ago · 20 km deep · 92 km away
- 2.896 km S of False Pass, Alaska · 7 days ago · 34 km deep · 38 km away
- 2.6144 km SE of Akutan, Alaska · 7 days ago · 10 km deep · 50 km away
- 3.8151 km S of False Pass, Alaska · 8 days ago · 9 km deep · 24 km away
- 2.795 km SE of Akutan, Alaska · 8 days ago · 15 km deep · 74 km away
- 2.392 km S of False Pass, Alaska · 9 days ago · 39 km deep · 35 km away
- 2.271 km SSW of False Pass, Alaska · 10 days ago · 72 km deep · 63 km away
- 2.6105 km SE of Akutan, Alaska · 10 days ago · 8 km deep · 84 km away
- 3.3119 km SE of Akutan, Alaska · 10 days ago · 13 km deep · 51 km away
- 2.392 km SW of False Pass, Alaska · 10 days ago · 78 km deep · 60 km away
- 2.135 km SSW of False Pass, Alaska · 10 days ago · 11 km deep · 92 km away
- 2.683 km SE of Akutan, Alaska · 10 days ago · 27 km deep · 79 km away
- 2.695 km SE of Akutan, Alaska · 10 days ago · 9 km deep · 71 km away
- 3.365 km SE of Akutan, Alaska · 10 days ago · 35 km deep · 95 km away
- 2.461 km E of Akutan, Alaska · 11 days ago · 97 km deep · 82 km away
- 2.6117 km ESE of Akutan, Alaska · 11 days ago · 19 km deep · 26 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000tyuf (also filed as aka2026tljnqz). Read Fri, Oct 2, 2026, 10:04 AM UTC.