M2.0 earthquake 14 km S of Loomis, Washington
A magnitude 2.0 earthquake struck 14 km S of Loomis, Washington on Sat, Apr 21, 1990, 8:14 PM PDT (03:14 UTC), 0 km (0 mi) below the surface.
A larger quake followed: M2.6 13 km W of Mansfield, 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, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1990-04-22 03:14:47 UTC
- Depth
- 0.2 km (0.1 mi), shallow
- Epicenter
- 48.690° N, 119.659° 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 2.0 km horizontally, 2.3 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 255°, poorly surrounded by stations
- Stations used
- 8
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 2.613 km W of Mansfield, Washington · 13310 days ago · -1 km deep · 96 km away
- 2.26 km ESE of Mansfield, Washington · 13298 days ago · 0 km deep · 100 km away
- 1.825 km E of Tonasket, Washington · 13284 days ago · -1 km deep · 41 km away
- 1.813 km WSW of Winthrop, Washington · 13258 days ago · -1 km deep · 59 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10261683. Read Fri, Oct 2, 2026, 5:55 AM UTC.