Washington earthquakes

M1.6 earthquake 7 km NNW of Chelan, Washington

A magnitude 1.6 earthquake struck 7 km NNW of Chelan, Washington on Tue, Apr 4, 1989, 3:24 AM PDT (10:24 UTC), -1 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
1.6 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1989-04-04 10:24:43 UTC
Depth
-0.5 km (-0.3 mi), shallow
Epicenter
47.909° N, 120.047° 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 1.1 km horizontally, 2.8 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
121°
Stations used
8

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 7 in the 30 days before it.

After

  1. 1.58 km NNW of Chelan, Washington · 13697 days ago · 0 km deep · 0 km away
  2. 2.415 km E of Mansfield, Washington · 13690 days ago · 0 km deep · 47 km away
  3. 1.87 km NNE of Waterville, Washington · 13681 days ago · 7 km deep · 23 km away
  4. 1.814 km E of Mansfield, Washington · 13670 days ago · -1 km deep · 47 km away
  5. 2.215 km E of Mansfield, Washington · 13670 days ago · 0 km deep · 47 km away
  6. 2.214 km ESE of Mansfield, Washington · 13670 days ago · 0 km deep · 46 km away
  7. 1.754 km E of Darrington, Washington · 13666 days ago · 0 km deep · 69 km away
  8. 4.512 km WSW of Malott, Washington · 13661 days ago · 15 km deep · 38 km away
  9. 1.86 km N of Waterville, Washington · 13658 days ago · 4 km deep · 23 km away
  10. 1.711 km NNW of Entiat, Washington · 13651 days ago · 0 km deep · 23 km away
  11. 2.38 km SSW of Entiat, Washington · 13645 days ago · 9 km deep · 37 km away
  12. 2.012 km S of Loomis, Washington · 13640 days ago · -1 km deep · 94 km away

Before

  1. 1.58 km NNW of Chelan, Washington · 13698 days ago · 0 km deep · 0 km away
  2. 2.63 km W of Entiat, Washington · 13706 days ago · 7 km deep · 30 km away
  3. 2.68 km NNW of Chelan, Washington · 13714 days ago · 0 km deep · 1 km away
  4. 2.28 km W of Entiat, Washington · 13717 days ago · 6 km deep · 34 km away
  5. 2.29 km NNE of Waterville, Washington · 13720 days ago · 5 km deep · 21 km away
  6. 1.5Washington · 13722 days ago · 1 km deep · 1 km away
  7. 1.76 km SSW of Entiat, Washington · 13727 days ago · 6 km deep · 35 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10239388. Read Sun, Oct 4, 2026, 12:35 AM UTC.