Washington earthquakes

M2.4 earthquake 9 km N of Chelan, Washington

A magnitude 2.4 earthquake struck 9 km N of Chelan, Washington on Fri, Jul 21, 1989, 9:27 AM PDT (16:27 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M2.7 4 km SSE of Entiat, Washington. This one was a foreshock.

Chelan forecastMore in Washington

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.4 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1989-07-21 16:27:43 UTC
Depth
-0.5 km (-0.3 mi), shallow
Epicenter
47.921° N, 120.036° W
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 0.9 km horizontally
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
122°
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 3 in the 30 days before it.

After

  1. 1.79 km WSW of Chelan, Washington · 13585 days ago · 1 km deep · 15 km away
  2. 1.613 km E of Skykomish, Washington · 13582 days ago · 4 km deep · 89 km away
  3. 2.04 km WSW of George, Washington · 13574 days ago · 0 km deep · 96 km away
  4. 2.74 km SSE of Entiat, Washington · 13569 days ago · 8 km deep · 34 km away
  5. 1.73 km NNW of Waterville, Washington · 13566 days ago · 7 km deep · 27 km away
  6. 1.916 km W of Quincy, Washington · 13547 days ago · -1 km deep · 76 km away
  7. 1.58 km W of Entiat, Washington · 13539 days ago · 2 km deep · 34 km away
  8. 1.72 km NNE of Skykomish, Washington · 13536 days ago · 2 km deep · 100 km away
  9. 1.51 km E of Entiat, Washington · 13527 days ago · 4 km deep · 30 km away

Before

  1. 1.939 km NE of Skykomish, Washington · 13595 days ago · -1 km deep · 69 km away
  2. 2.18 km WSW of George, Washington · 13596 days ago · 0 km deep · 99 km away
  3. 1.75 km N of Waterville, Washington · 13603 days ago · 5 km deep · 25 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10247843. Read Fri, Oct 2, 2026, 3:19 AM UTC.