M2.0 earthquake 23 km SW of Vantage, Washington
A magnitude 2.0 earthquake struck 23 km SW of Vantage, Washington on Sat, Apr 11, 1987, 10:21 AM PDT (17:21 UTC), 3 km (2 mi) below the surface.
A larger quake followed: M2.1 7 km NE of Royal City, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.0 (md), micro
- Local time
- UTC
- 1987-04-11 17:21:59 UTC
- Depth
- 2.7 km (1.7 mi), shallow
- Epicenter
- 46.803° N, 120.211° 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 0.6 km horizontally, 0.7 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 39°
- Stations used
- 29
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 4 in the 30 days before it.
After
- 1.81 km WNW of Waterville, Washington · 14393 days ago · 5 km deep · 95 km away
- 2.17 km NE of Royal City, Washington · 14374 days ago · 1 km deep · 52 km away
Before
- 2.47 km NE of Royal City, Washington · 14418 days ago · 1 km deep · 52 km away
- 1.528 km SW of White Swan, Washington · 14428 days ago · -1 km deep · 90 km away
- 1.71 km ENE of Entiat, Washington · 14430 days ago · 4 km deep · 98 km away
- 1.55 km WSW of Entiat, Washington · 14433 days ago · 4 km deep · 95 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10217868. Read Tue, Sep 22, 2026, 3:50 PM UTC.