M2.4 earthquake 23 km ESE of Packwood, Washington
A magnitude 2.4 earthquake struck 23 km ESE of Packwood, Washington on Thu, Sep 10, 1981, 1:33 AM PDT (08:33 UTC), -1 km (-1 mi) below the surface.
A larger quake followed: M2.6 24 km ESE of Packwood, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.4 (md), micro
- Local time
- UTC
- 1981-09-10 08:33:52 UTC
- Depth
- -1.0 km (-0.6 mi), shallow
- Epicenter
- 46.520° N, 121.387° W
- Region
- Washington
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 0.1 km horizontally, 0.6 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- Operator assigned
- Station coverage gap
- 45°
- Stations used
- 44
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 27 in the 30 days before it.
After
- 1.518 km NNE of Ashford, Washington · 16446 days ago · 9 km deep · 61 km away
- 1.517 km NW of Trout Lake, Washington · 16429 days ago · 3 km deep · 49 km away
- 1.823 km S of Morton, Washington · 16429 days ago · 8 km deep · 68 km away
- 2.624 km ESE of Packwood, Washington · 16421 days ago · 3 km deep · 1 km away
- 1.66 km SSE of Thorp, Washington · 16418 days ago · 10 km deep · 79 km away
- 1.922 km NW of Bickleton, Washington · 16416 days ago · 12 km deep · 80 km away
- 1.95 km SSE of Mineral, Washington · 16414 days ago · 19 km deep · 61 km away
- 2.32 km SW of Kittitas, Washington · 16413 days ago · 8 km deep · 88 km away
- 1.625 km ESE of Packwood, Washington · 16408 days ago · 0 km deep · 4 km away
- 1.638 km NNE of Amboy, Washington · 16404 days ago · 1 km deep · 72 km away
- 2.21 km NE of White Salmon, Washington · 16398 days ago · 3 km deep · 87 km away
- 2.11 km SW of Kittitas, Washington · 16398 days ago · 8 km deep · 88 km away
- 1.720 km S of Morton, Washington · 16388 days ago · 8 km deep · 68 km away
Before
- 1.623 km ESE of Packwood, Washington · 16448 days ago · -1 km deep · 1 km away
- 2.024 km ESE of Packwood, Washington · 16448 days ago · 3 km deep · 0 km away
- 1.521 km NE of Ashford, Washington · 16451 days ago · 6 km deep · 55 km away
- 1.938 km NNE of Amboy, Washington · 16451 days ago · -1 km deep · 71 km away
- 1.637 km NNE of Amboy, Washington · 16451 days ago · -1 km deep · 71 km away
- 1.638 km NNE of Amboy, Washington · 16453 days ago · 0 km deep · 71 km away
- 1.938 km NNE of Amboy, Washington · 16455 days ago · -1 km deep · 71 km away
- 1.724 km S of Morton, Washington · 16455 days ago · 3 km deep · 67 km away
- 1.924 km S of Morton, Washington · 16455 days ago · 3 km deep · 67 km away
- 1.56 km S of Morton, Washington · 16456 days ago · 4 km deep · 69 km away
- 1.638 km NNE of Amboy, Washington · 16456 days ago · 0 km deep · 71 km away
- 1.838 km NNE of Amboy, Washington · 16457 days ago · 0 km deep · 71 km away
- 1.524 km ENE of Ashford, Washington · 16458 days ago · -1 km deep · 46 km away
- 1.637 km NNE of Amboy, Washington · 16459 days ago · 1 km deep · 72 km away
- 2.023 km ESE of Packwood, Washington · 16463 days ago · 5 km deep · 0 km away
- 1.525 km ENE of Ashford, Washington · 16464 days ago · 0 km deep · 46 km away
- 1.724 km ESE of Packwood, Washington · 16465 days ago · -1 km deep · 1 km away
- 3.422 km S of Morton, Washington · 16466 days ago · 7 km deep · 68 km away
- 1.522 km S of Morton, Washington · 16469 days ago · 7 km deep · 68 km away
- 2.321 km SSE of Packwood, Washington · 16471 days ago · 1 km deep · 19 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10116648. Read Tue, Sep 22, 2026, 4:55 AM UTC.