M2.7 earthquake 3 km NE of Entiat, Washington
A magnitude 2.7 earthquake struck 3 km NE of Entiat, Washington on Sun, Feb 28, 1971, 5:33 PM PST (01:33 UTC), 8 km (5 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.7 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1971-03-01 01:33:31 UTC
- Depth
- 8.4 km (5.2 mi), shallow
- Epicenter
- 47.697° N, 120.171° 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 1.3 km horizontally, 2.5 km in depth
- Magnitude uncertainty
- ±0.18
- Depth from
- From location
- Station coverage gap
- 301°, 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 4 in the 30 days before it.
After
- 1.611 km SW of Cascade Valley, Washington · 20296 days ago · 0 km deep · 89 km away
- 2.37 km NNW of Entiat, Washington · 20287 days ago · 2 km deep · 8 km away
- 1.813 km SSW of Vantage, Washington · 20282 days ago · 0 km deep · 97 km away
- 2.54 km NW of Waterville, Washington · 20249 days ago · 5 km deep · 5 km away
Before
- 1.810 km WSW of Cascade Valley, Washington · 20317 days ago · 1 km deep · 84 km away
- 1.55 km ENE of Royal City, Washington · 20319 days ago · 0 km deep · 98 km away
- 1.65 km ENE of Royal City, Washington · 20321 days ago · 3 km deep · 98 km away
- 1.76 km E of Royal City, Washington · 20333 days ago · 2 km deep · 100 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10838633. Read Sat, Oct 3, 2026, 2:24 PM UTC.