Washington earthquakes

M1.6 earthquake 5 km E of Black Diamond, Washington

A magnitude 1.6 earthquake struck 5 km E of Black Diamond, Washington on Wed, Oct 7, 1992, 2:02 PM PDT (21:02 UTC), -2 km (-1 mi) below the surface.

A larger quake followed: M2.7 Washington. This one was a foreshock.

Black Diamond forecastMore in Washington

Map

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

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The earthquake

Magnitude
1.6 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1992-10-07 21:02:23 UTC
Depth
-1.6 km (-1.0 mi), shallow
Epicenter
47.318° N, 121.933° 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 0.3 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.08
Depth from
Operator assigned
Station coverage gap
207°, poorly surrounded by stations
Stations used
7

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 10 in the 30 days before it.

After

  1. 1.523 km ENE of Ashford, Washington · 12411 days ago · -2 km deep · 54 km away
  2. 2.57 km W of Packwood, Washington · 12394 days ago · 8 km deep · 81 km away
  3. 1.528 km ENE of Ashford, Washington · 12389 days ago · -2 km deep · 53 km away
  4. 2.02 km ENE of Granite Falls, Washington · 12384 days ago · 1 km deep · 86 km away
  5. 2.7Washington · 12375 days ago · -2 km deep · 67 km away
  6. 1.623 km ENE of Ashford, Washington · 12375 days ago · -2 km deep · 52 km away
  7. 2.520 km NE of Packwood, Washington · 12373 days ago · 3 km deep · 70 km away
  8. 2.621 km NE of Packwood, Washington · 12373 days ago · 4 km deep · 70 km away
  9. 1.825 km NE of Ashford, Washington · 12371 days ago · -1 km deep · 49 km away

Before

  1. 1.726 km ENE of Ashford, Washington · 12416 days ago · -2 km deep · 53 km away
  2. 1.622 km ENE of Ashford, Washington · 12418 days ago · -2 km deep · 54 km away
  3. 1.811 km NE of Packwood, Washington · 12418 days ago · 5 km deep · 75 km away
  4. 1.68 km SSW of May Creek, Washington · 12428 days ago · 4 km deep · 55 km away
  5. 1.68 km E of McKenna, Washington · 12431 days ago · 23 km deep · 58 km away
  6. 1.68 km ENE of Ravensdale, Washington · 12431 days ago · 3 km deep · 8 km away
  7. 1.627 km S of Greenwater, Washington · 12440 days ago · -2 km deep · 49 km away
  8. 1.823 km ENE of Ashford, Washington · 12441 days ago · -1 km deep · 55 km away
  9. 1.629 km S of Greenwater, Washington · 12441 days ago · 0 km deep · 50 km away
  10. 2.52 km SW of Roosevelt, Washington · 12443 days ago · 18 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10293213. Read Sat, Oct 3, 2026, 12:15 AM UTC.