M1.6 earthquake 9 km NW of Entiat, Washington
A magnitude 1.6 earthquake struck 9 km NW of Entiat, Washington on Sat, Mar 21, 1992, 3:55 AM PST (11:55 UTC), 0 km (0 mi) below the surface.
A larger quake followed: M2.7 23 km E of Darrington, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.6 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1992-03-21 11:55:26 UTC
- Depth
- -0.4 km (-0.3 mi), shallow
- Epicenter
- 47.728° N, 120.311° 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 0.5 km horizontally
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 107°
- Stations used
- 19
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 4 in the 30 days before it.
After
- 2.115 km NNE of May Creek, Washington · 12613 days ago · 8 km deep · 99 km away
- 2.723 km E of Darrington, Washington · 12613 days ago · 4 km deep · 91 km away
- 2.122 km ESE of Darrington, Washington · 12612 days ago · 3 km deep · 91 km away
- 1.610 km WSW of Skykomish, Washington · 12612 days ago · 87 km deep · 88 km away
- 1.85 km N of Waterville, Washington · 12599 days ago · 3 km deep · 19 km away
- 2.052 km WNW of Granite Falls, Washington · 12598 days ago · 6 km deep · 56 km away
- 1.87 km NNW of Waterville, Washington · 12594 days ago · -1 km deep · 15 km away
- 2.22 km W of Mansfield, Washington · 12583 days ago · 0 km deep · 49 km away
- 1.64 km NNE of Waterville, Washington · 12578 days ago · 3 km deep · 20 km away
- 2.410 km W of Entiat, Washington · 12560 days ago · 3 km deep · 6 km away
- 1.516 km SSW of Cashmere, Washington · 12556 days ago · -1 km deep · 42 km away
Before
- 1.53 km SE of Electric City, Washington · 12626 days ago · 0 km deep · 99 km away
- 2.212 km E of Tanner, Washington · 12628 days ago · 13 km deep · 99 km away
- 1.99 km SW of Chelan Falls, Washington · 12633 days ago · 5 km deep · 19 km away
- 2.08 km W of Twisp, Washington · 12642 days ago · -1 km deep · 71 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10290023. Read Fri, Oct 2, 2026, 1:10 PM UTC.