M2.1 earthquake 0 km SW of Waterville, Washington
A magnitude 2.1 earthquake struck 0 km SW of Waterville, Washington on Sat, May 7, 1977, 8:13 AM PDT (15:13 UTC), 0 km (0 mi) below the surface.
A larger quake followed: M2.3 7 km N of Quincy, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.1 (md), micro
- Local time
- UTC
- 1977-05-07 15:13:31 UTC
- Depth
- -0.2 km (-0.1 mi), shallow
- Epicenter
- 47.642° N, 120.077° 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
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 129°
- Stations used
- 9
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 5 in the 30 days before it.
After
- 2.0Washington · 18041 days ago · 0 km deep · 13 km away
- 1.64 km NW of Waterville, Washington · 18039 days ago · 0 km deep · 5 km away
- 2.112 km SSW of Kittitas, Washington · 18037 days ago · 13 km deep · 90 km away
- 1.510 km WSW of Entiat, Washington · 18034 days ago · 0 km deep · 20 km away
- 1.78 km SSW of Chelan Falls, Washington · 18028 days ago · 3 km deep · 10 km away
- 1.712 km W of Entiat, Washington · 18024 days ago · 0 km deep · 23 km away
- 1.70 km SSW of Entiat, Washington · 18008 days ago · 0 km deep · 11 km away
- 2.37 km N of Quincy, Washington · 18001 days ago · 0 km deep · 41 km away
- 2.35 km NNE of Waterville, Washington · 17997 days ago · 0 km deep · 6 km away
Before
- 1.55 km SSW of Chelan Falls, Washington · 18044 days ago · 4 km deep · 14 km away
- 1.77 km SE of Rock Island, Washington · 18051 days ago · 0 km deep · 36 km away
- 1.85 km W of Entiat, Washington · 18058 days ago · 0 km deep · 15 km away
- 1.94 km SE of Entiat, Washington · 18072 days ago · 2 km deep · 6 km away
- 1.715 km SSE of Kittitas, Washington · 18072 days ago · 20 km deep · 91 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10843623. Read Thu, Oct 1, 2026, 12:12 AM UTC.