Oregon earthquakes

M2.9 earthquake 7 km NNE of Boardman, Oregon

A magnitude 2.9 earthquake struck 7 km NNE of Boardman, Oregon on Thu, Mar 31, 1977, 2:29 PM PST (22:29 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
2.9 (md), micro
Local time
UTC
1977-03-31 22:29:04 UTC
Depth
-0.5 km (-0.3 mi), shallow
Epicenter
45.902° N, 119.654° W
Region
Oregon
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 0.0 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
135°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 2 in the 30 days before it.

After

Before

Earthquakes todayOregon earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10843438. Read Mon, Sep 21, 2026, 7:29 AM UTC.