Washington earthquakes

M2.6 earthquake 7 km NNE of Richland, Washington

A magnitude 2.6 earthquake struck 7 km NNE of Richland, Washington on Thu, Mar 17, 1988, 11:40 PM PST (07:40 UTC), 0 km (0 mi) below the surface.

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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), micro
Local time
UTC
1988-03-18 07:40:57 UTC
Depth
0.1 km (0.1 mi), shallow
Epicenter
46.350° N, 119.266° 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 0.7 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
77°
Stations used
31

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 5 in the 30 days before it.

After

  1. 2.57 km N of Richland, Washington · 14067 days ago · 0 km deep · 0 km away
  2. 1.57 km N of Richland, Washington · 14067 days ago · 0 km deep · 0 km away
  3. 1.88 km SW of Warden, Washington · 14063 days ago · 3 km deep · 64 km away
  4. 2.16 km SW of Warden, Washington · 14060 days ago · 2 km deep · 64 km away
  5. 2.67 km SW of Warden, Washington · 14053 days ago · 3 km deep · 64 km away
  6. 2.67 km WSW of George, Washington · 14047 days ago · 0 km deep · 93 km away
  7. 1.916 km SSE of Royal City, Washington · 14026 days ago · 20 km deep · 51 km away
  8. 1.618 km S of Prosser, Washington · 14012 days ago · 8 km deep · 50 km away
  9. 2.218 km SE of Royal City, Washington · 14011 days ago · 0 km deep · 52 km away

Before

  1. 1.525 km WSW of Othello, Washington · 14077 days ago · 0 km deep · 42 km away
  2. 1.825 km WSW of Othello, Washington · 14082 days ago · 0 km deep · 42 km away
  3. 1.715 km SW of Cascade Valley, Washington · 14089 days ago · 1 km deep · 76 km away
  4. 2.313 km SSW of Cascade Valley, Washington · 14090 days ago · 0 km deep · 77 km away
  5. 1.518 km WSW of Othello, Washington · 14096 days ago · 0 km deep · 45 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10229513. Read Tue, Sep 22, 2026, 12:13 PM UTC.