Oregon earthquakes

M3.5 earthquake 18 km ESE of Arlington, Oregon

A magnitude 3.5 earthquake struck 18 km ESE of Arlington, Oregon on Mon, Jun 30, 1975, 10:29 PM PDT (05:29 UTC), 5 km (3 mi) below the surface.

Arlington forecastMore in Oregon

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
3.5 (md), minor
Local time
UTC
1975-07-01 05:29:02 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
45.628° N, 120.002° 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.

Stations used
18

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 14 in the 30 days before it.

After

  1. 2.24 km SSW of West Richland, Washington · 18689 days ago · 0 km deep · 85 km away

Before

  1. 3.618 km NW of Ione, Oregon · 18711 days ago · 15 km deep · 3 km away
  2. 2.215 km S of Prosser, Washington · 18713 days ago · 9 km deep · 53 km away
  3. 2.213 km SSE of Prosser, Washington · 18713 days ago · 9 km deep · 56 km away
  4. 1.510 km SSE of Prosser, Washington · 18713 days ago · 9 km deep · 59 km away
  5. 2.713 km SSE of Prosser, Washington · 18713 days ago · 9 km deep · 56 km away
  6. 3.812 km SSE of Prosser, Washington · 18713 days ago · 10 km deep · 57 km away
  7. 2.011 km SE of Prosser, Washington · 18713 days ago · 8 km deep · 61 km away
  8. 1.511 km SE of Prosser, Washington · 18714 days ago · 9 km deep · 61 km away
  9. 2.412 km SSE of Prosser, Washington · 18714 days ago · 10 km deep · 57 km away
  10. 3.312 km SSE of Prosser, Washington · 18714 days ago · 9 km deep · 58 km away
  11. 2.011 km ESE of Prosser, Washington · 18714 days ago · 6 km deep · 65 km away
  12. 2.10 km E of Pasco, Washington · 18725 days ago · 1 km deep · 98 km away
  13. 1.92 km W of Pasco, Washington · 18725 days ago · 3 km deep · 96 km away
  14. 3.11 km WSW of Pasco, Washington · 18727 days ago · 1 km deep · 96 km away

Earthquakes todayOregon earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000bux. Read Tue, Sep 22, 2026, 9:40 AM UTC.