Oregon earthquakes

M2.1 earthquake 17 km ESE of Maupin, Oregon

A magnitude 2.1 earthquake struck 17 km ESE of Maupin, Oregon on Mon, Aug 17, 1987, 10:15 PM PDT (05:15 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M2.4 8 km ESE of Spray, Oregon. This one was a foreshock.

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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
2.1 (md), micro
Local time
UTC
1987-08-18 05:15:47 UTC
Depth
23.8 km (14.8 mi), shallow
Epicenter
45.144° N, 120.861° 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 2.0 km horizontally, 1.5 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
194°, poorly surrounded by stations
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 1.716 km E of Maupin, Oregon · 14279 days ago · 20 km deep · 3 km away
  2. 1.816 km E of Maupin, Oregon · 14279 days ago · 22 km deep · 2 km away
  3. 1.818 km NNW of Shaniko, Oregon · 14277 days ago · 13 km deep · 1 km away
  4. 1.518 km E of Maupin, Oregon · 14276 days ago · 15 km deep · 2 km away
  5. 1.817 km NNW of Shaniko, Oregon · 14275 days ago · 18 km deep · 1 km away
  6. 2.48 km ESE of Spray, Oregon · 14263 days ago · 12 km deep · 99 km away
  7. 3.110 km ESE of Condon, Oregon · 14260 days ago · 12 km deep · 62 km away
  8. 1.910 km ESE of Condon, Oregon · 14260 days ago · 16 km deep · 62 km away
  9. 2.312 km ESE of Condon, Oregon · 14259 days ago · 17 km deep · 65 km away
  10. 2.410 km ESE of Condon, Oregon · 14259 days ago · -1 km deep · 63 km away
  11. 1.79 km SE of Condon, Oregon · 14256 days ago · -1 km deep · 61 km away
  12. 1.821 km NNE of Goldendale, Washington · 14246 days ago · 12 km deep · 95 km away
  13. 1.53 km NNW of Mount Hood Village, Oregon · 14244 days ago · -1 km deep · 93 km away
  14. 2.711 km ESE of Condon, Oregon · 14238 days ago · 19 km deep · 63 km away
  15. 2.010 km SE of Condon, Oregon · 14226 days ago · 2 km deep · 61 km away

Before

  1. 1.516 km E of Maupin, Oregon · 14284 days ago · 16 km deep · 2 km away
  2. 1.616 km E of Maupin, Oregon · 14285 days ago · 24 km deep · 2 km away
  3. 2.417 km E of Maupin, Oregon · 14290 days ago · 27 km deep · 0 km away
  4. 1.616 km E of Maupin, Oregon · 14290 days ago · 24 km deep · 3 km away
  5. 1.816 km E of Maupin, Oregon · 14290 days ago · 25 km deep · 3 km away
  6. 2.47 km E of Government Camp, Oregon · 14302 days ago · 5 km deep · 65 km away
  7. 1.78 km E of Government Camp, Oregon · 14309 days ago · 5 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10223558. Read Tue, Sep 22, 2026, 8:48 PM UTC.