Washington earthquakes

M1.5 earthquake Washington

A magnitude 1.5 earthquake struck in Washington on Thu, Mar 9, 1989, 2:23 PM PST (22:23 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M2.6 8 km NNW of Chelan, 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
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1989-03-09 22:23:54 UTC
Depth
1.1 km (0.7 mi), shallow
Epicenter
47.912° N, 120.053° 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 0.2 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
135°
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.29 km NNE of Waterville, Washington · 13719 days ago · 5 km deep · 22 km away
  2. 2.28 km W of Entiat, Washington · 13716 days ago · 6 km deep · 34 km away
  3. 2.68 km NNW of Chelan, Washington · 13713 days ago · 0 km deep · 1 km away
  4. 2.63 km W of Entiat, Washington · 13705 days ago · 7 km deep · 30 km away
  5. 1.58 km NNW of Chelan, Washington · 13697 days ago · 0 km deep · 1 km away
  6. 1.67 km NNW of Chelan, Washington · 13696 days ago · -1 km deep · 1 km away
  7. 1.58 km NNW of Chelan, Washington · 13696 days ago · 0 km deep · 1 km away
  8. 2.415 km E of Mansfield, Washington · 13689 days ago · 0 km deep · 48 km away
  9. 1.87 km NNE of Waterville, Washington · 13680 days ago · 7 km deep · 23 km away
  10. 1.814 km E of Mansfield, Washington · 13669 days ago · -1 km deep · 48 km away
  11. 2.215 km E of Mansfield, Washington · 13669 days ago · 0 km deep · 48 km away
  12. 2.214 km ESE of Mansfield, Washington · 13669 days ago · 0 km deep · 47 km away
  13. 1.754 km E of Darrington, Washington · 13665 days ago · 0 km deep · 69 km away

Before

  1. 1.76 km SSW of Entiat, Washington · 13726 days ago · 6 km deep · 35 km away
  2. 1.81 km SSE of Entiat, Washington · 13732 days ago · 6 km deep · 30 km away
  3. 2.110 km ESE of Okanogan, Washington · 13737 days ago · -1 km deep · 64 km away
  4. 1.97 km SW of Entiat, Washington · 13740 days ago · 4 km deep · 36 km away
  5. 2.28 km NNW of Chelan, Washington · 13741 days ago · 0 km deep · 1 km away
  6. 2.24 km SE of Coulee City, Washington · 13744 days ago · 0 km deep · 70 km away
  7. 2.19 km SE of Omak, Washington · 13745 days ago · -1 km deep · 67 km away
  8. 2.215 km E of Mansfield, Washington · 13746 days ago · 0 km deep · 47 km away
  9. 2.47 km NNE of Waterville, Washington · 13750 days ago · 3 km deep · 23 km away
  10. 2.38 km NNE of Methow, Washington · 13751 days ago · 6 km deep · 32 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10240513. Read Sat, Oct 3, 2026, 3:29 AM UTC.