M2.2 earthquake 17 km E of Mansfield, Washington
A magnitude 2.2 earthquake struck 17 km E of Mansfield, Washington on Sun, Feb 1, 1987, 5:47 PM PST (01:47 UTC), -1 km (-1 mi) below the surface.
A larger quake followed: M2.6 2 km WSW of Chelan, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.2 (md), micro
- Local time
- UTC
- 1987-02-02 01:47:25 UTC
- Depth
- -0.8 km (-0.5 mi), shallow
- Epicenter
- 47.795° N, 119.410° 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, 0.1 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- Operator assigned
- Station coverage gap
- 91°
- Stations used
- 23
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 5 in the 30 days before it.
After
- 2.62 km WSW of Chelan, Washington · 14451 days ago · -1 km deep · 48 km away
- 1.65 km SW of Entiat, Washington · 14440 days ago · 3 km deep · 66 km away
- 1.55 km WSW of Entiat, Washington · 14433 days ago · 4 km deep · 66 km away
- 1.71 km ENE of Entiat, Washington · 14430 days ago · 4 km deep · 60 km away
- 1.92 km WSW of Chelan, Washington · 14418 days ago · -1 km deep · 48 km away
- 2.47 km NE of Royal City, Washington · 14417 days ago · 1 km deep · 95 km away
Before
- 1.99 km NNE of Quincy, Washington · 14479 days ago · 6 km deep · 61 km away
- 1.624 km NNE of Keller, Washington · 14490 days ago · -1 km deep · 81 km away
- 1.717 km N of Keller, Washington · 14493 days ago · 0 km deep · 75 km away
- 2.29 km SSW of Marlin, Washington · 14494 days ago · 7 km deep · 59 km away
- 2.010 km WSW of Electric City, Washington · 14499 days ago · 0 km deep · 22 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10214463. Read Tue, Sep 22, 2026, 7:23 AM UTC.