M1.9 earthquake 9 km NNE of Quincy, Washington
A magnitude 1.9 earthquake struck 9 km NNE of Quincy, Washington on Fri, Jan 30, 1987, 6:08 PM PST (02:08 UTC), 6 km (4 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
- 1.9 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1987-01-31 02:08:17 UTC
- Depth
- 6.1 km (3.8 mi), shallow
- Epicenter
- 47.315° N, 119.812° 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 0.7 km horizontally, 2.4 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 54°
- Stations used
- 28
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 3 in the 30 days before it.
After
- 2.217 km E of Mansfield, Washington · 14487 days ago · -1 km deep · 61 km away
- 2.216 km S of Ellensburg, Washington · 14471 days ago · 9 km deep · 77 km away
- 2.62 km WSW of Chelan, Washington · 14460 days ago · -1 km deep · 60 km away
- 1.523 km SSE of Kittitas, Washington · 14458 days ago · 7 km deep · 67 km away
- 1.65 km SW of Entiat, Washington · 14449 days ago · 3 km deep · 49 km away
- 1.55 km WSW of Entiat, Washington · 14443 days ago · 4 km deep · 51 km away
- 1.71 km ENE of Entiat, Washington · 14439 days ago · 4 km deep · 50 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10217103. Read Thu, Oct 1, 2026, 8:23 PM UTC.