M2.1 earthquake 7 km SW of Chelan Falls, Washington
A magnitude 2.1 earthquake struck 7 km SW of Chelan Falls, Washington on Wed, May 9, 1984, 2:24 AM PDT (09:24 UTC), 0 km (0 mi) below the surface.
A larger quake followed: M2.3 30 km WSW of Twisp, 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
- 1984-05-09 09:24:37 UTC
- Depth
- 0.3 km (0.2 mi), shallow
- Epicenter
- 47.761° N, 120.069° 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 1.1 km horizontally
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 212°, poorly surrounded by stations
- Stations used
- 17
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 4 in the 30 days before it.
After
- 1.519 km W of Nespelem Community, Washington · 15476 days ago · 17 km deep · 74 km away
- 1.62 km SE of South Cle Elum, Washington · 15468 days ago · 5 km deep · 92 km away
- 2.0Washington · 15462 days ago · 0 km deep · 59 km away
- 1.93 km NNE of Entiat, Washington · 15457 days ago · 3 km deep · 11 km away
- 1.95 km NW of Entiat, Washington · 15454 days ago · 0 km deep · 16 km away
- 1.76 km NNE of Waterville, Washington · 15446 days ago · 1 km deep · 8 km away
- 2.330 km WSW of Twisp, Washington · 15441 days ago · 6 km deep · 65 km away
- 1.94 km NNE of Chelan Falls, Washington · 15428 days ago · 0 km deep · 11 km away
- 1.98 km N of Waterville, Washington · 15417 days ago · 3 km deep · 5 km away
Before
- 2.08 km SSE of Leavenworth, Washington · 15493 days ago · 0 km deep · 50 km away
- 2.111 km E of Kittitas, Washington · 15495 days ago · 0 km deep · 88 km away
- 2.06 km SSW of Chelan Falls, Washington · 15504 days ago · 5 km deep · 4 km away
- 4.313 km ENE of Sunnyslope, Washington · 15505 days ago · 7 km deep · 27 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10174438. Read Tue, Sep 22, 2026, 3:34 PM UTC.