Oregon earthquakes

M1.7 earthquake 16 km E of Maupin, Oregon

A magnitude 1.7 earthquake struck 16 km E of Maupin, Oregon on Wed, Aug 19, 1987, 9:55 PM PDT (04:55 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M1.8 16 km E of Maupin, 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
1.7 (md), micro
Local time
UTC
1987-08-20 04:55:16 UTC
Depth
19.5 km (12.1 mi), shallow
Epicenter
45.169° N, 120.877° 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 1.5 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
189°, poorly surrounded by stations
Stations used
11

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 7 in the 30 days before it.

After

  1. 1.816 km E of Maupin, Oregon · 14278 days ago · 22 km deep · 1 km away
  2. 1.818 km NNW of Shaniko, Oregon · 14277 days ago · 13 km deep · 3 km away
  3. 1.518 km E of Maupin, Oregon · 14276 days ago · 15 km deep · 3 km away
  4. 1.817 km NNW of Shaniko, Oregon · 14274 days ago · 18 km deep · 3 km away
  5. 3.110 km ESE of Condon, Oregon · 14259 days ago · 12 km deep · 63 km away
  6. 1.910 km ESE of Condon, Oregon · 14259 days ago · 16 km deep · 64 km away
  7. 2.312 km ESE of Condon, Oregon · 14258 days ago · 17 km deep · 66 km away
  8. 2.410 km ESE of Condon, Oregon · 14258 days ago · -1 km deep · 64 km away
  9. 1.79 km SE of Condon, Oregon · 14256 days ago · -1 km deep · 62 km away
  10. 1.821 km NNE of Goldendale, Washington · 14245 days ago · 12 km deep · 93 km away
  11. 1.53 km NNW of Mount Hood Village, Oregon · 14243 days ago · -1 km deep · 91 km away
  12. 2.711 km ESE of Condon, Oregon · 14238 days ago · 19 km deep · 64 km away
  13. 2.010 km SE of Condon, Oregon · 14226 days ago · 2 km deep · 62 km away

Before

  1. 2.117 km ESE of Maupin, Oregon · 14280 days ago · 24 km deep · 3 km away
  2. 1.516 km E of Maupin, Oregon · 14284 days ago · 16 km deep · 1 km away
  3. 1.616 km E of Maupin, Oregon · 14284 days ago · 24 km deep · 1 km away
  4. 2.417 km E of Maupin, Oregon · 14289 days ago · 27 km deep · 3 km away
  5. 1.616 km E of Maupin, Oregon · 14289 days ago · 24 km deep · 0 km away
  6. 1.816 km E of Maupin, Oregon · 14290 days ago · 25 km deep · 1 km away
  7. 2.47 km E of Government Camp, Oregon · 14302 days ago · 5 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10223848. Read Tue, Sep 22, 2026, 8:45 AM UTC.