Washington earthquakes

M2.6 earthquake 8 km NNW of Chelan, Washington

A magnitude 2.6 earthquake struck 8 km NNW of Chelan, Washington on Sat, Mar 18, 1989, 4:20 AM PST (12:20 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M4.5 12 km WSW of Malott, 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
2.6 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1989-03-18 12:20:40 UTC
Depth
-0.4 km (-0.3 mi), shallow
Epicenter
47.914° N, 120.041° 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
±0.05
Depth from
From location
Station coverage gap
119°
Stations used
22

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.63 km W of Entiat, Washington · 13706 days ago · 7 km deep · 31 km away
  2. 1.58 km NNW of Chelan, Washington · 13698 days ago · 0 km deep · 0 km away
  3. 1.67 km NNW of Chelan, Washington · 13696 days ago · -1 km deep · 1 km away
  4. 1.58 km NNW of Chelan, Washington · 13696 days ago · 0 km deep · 1 km away
  5. 2.415 km E of Mansfield, Washington · 13689 days ago · 0 km deep · 47 km away
  6. 1.87 km NNE of Waterville, Washington · 13681 days ago · 7 km deep · 23 km away
  7. 1.814 km E of Mansfield, Washington · 13670 days ago · -1 km deep · 47 km away
  8. 2.215 km E of Mansfield, Washington · 13670 days ago · 0 km deep · 47 km away
  9. 2.214 km ESE of Mansfield, Washington · 13669 days ago · 0 km deep · 46 km away
  10. 1.754 km E of Darrington, Washington · 13666 days ago · 0 km deep · 70 km away
  11. 4.512 km WSW of Malott, Washington · 13661 days ago · 15 km deep · 38 km away
  12. 1.86 km N of Waterville, Washington · 13658 days ago · 4 km deep · 23 km away

Before

  1. 2.28 km W of Entiat, Washington · 13716 days ago · 6 km deep · 34 km away
  2. 2.29 km NNE of Waterville, Washington · 13720 days ago · 5 km deep · 22 km away
  3. 1.5Washington · 13722 days ago · 1 km deep · 1 km away
  4. 1.76 km SSW of Entiat, Washington · 13726 days ago · 6 km deep · 35 km away
  5. 1.81 km SSE of Entiat, Washington · 13733 days ago · 6 km deep · 30 km away
  6. 2.110 km ESE of Okanogan, Washington · 13738 days ago · -1 km deep · 63 km away
  7. 1.97 km SW of Entiat, Washington · 13741 days ago · 4 km deep · 36 km away
  8. 2.28 km NNW of Chelan, Washington · 13742 days ago · 0 km deep · 0 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10242343. Read Sat, Oct 3, 2026, 8:32 PM UTC.