M2.1 earthquake 12 km SSW of Kittitas, Washington
A magnitude 2.1 earthquake struck 12 km SSW of Kittitas, Washington on Fri, May 13, 1977, 3:28 PM PDT (22:28 UTC), 13 km (8 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
- 1977-05-13 22:28:36 UTC
- Depth
- 12.7 km (7.9 mi), shallow
- Epicenter
- 46.891° N, 120.502° 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 2.1 km horizontally, 4.0 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 160°
- 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: 7 in the 60 days after this one and 5 in the 30 days before it.
After
- 1.510 km WSW of Entiat, Washington · 18033 days ago · 0 km deep · 86 km away
- 1.78 km SSW of Chelan Falls, Washington · 18027 days ago · 3 km deep · 100 km away
- 1.712 km W of Entiat, Washington · 18023 days ago · 0 km deep · 87 km away
- 1.70 km SSW of Entiat, Washington · 18007 days ago · 0 km deep · 90 km away
- 2.37 km N of Quincy, Washington · 18000 days ago · 0 km deep · 67 km away
- 2.35 km NNE of Waterville, Washington · 17996 days ago · 0 km deep · 96 km away
- 2.221 km ENE of Packwood, Washington · 17996 days ago · 2 km deep · 73 km away
Before
- 1.64 km NW of Waterville, Washington · 18038 days ago · 0 km deep · 91 km away
- 2.0Washington · 18040 days ago · 0 km deep · 95 km away
- 2.10 km SW of Waterville, Washington · 18042 days ago · 0 km deep · 90 km away
- 1.77 km SE of Rock Island, Washington · 18050 days ago · 0 km deep · 58 km away
- 1.85 km W of Entiat, Washington · 18057 days ago · 0 km deep · 88 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10843663. Read Wed, Sep 30, 2026, 12:55 AM UTC.