Washington earthquakes

M1.8 earthquake 17 km S of Ephrata, Washington

A magnitude 1.8 earthquake struck 17 km S of Ephrata, Washington on Tue, Jan 29, 1985, 10:43 PM PST (06:43 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.3 14 km NNW of Vantage, Washington. This one was a foreshock.

Ephrata forecastMore in Washington

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
1.8 (md), micro
Local time
UTC
1985-01-30 06:43:05 UTC
Depth
0.2 km (0.1 mi), shallow
Epicenter
47.162° N, 119.578° 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 1.1 km horizontally
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
63°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 3.314 km NNW of Vantage, Washington · 15209 days ago · 0 km deep · 40 km away
  2. 2.76 km NW of Desert Aire, Washington · 15209 days ago · 4 km deep · 58 km away
  3. 1.99 km NW of Vantage, Washington · 15208 days ago · 0 km deep · 41 km away
  4. 1.86 km NW of Desert Aire, Washington · 15208 days ago · 3 km deep · 58 km away
  5. 1.624 km SE of Kittitas, Washington · 15207 days ago · 1 km deep · 64 km away
  6. 2.314 km NNW of Vantage, Washington · 15207 days ago · 0 km deep · 40 km away
  7. 2.67 km WSW of Mattawa, Washington · 15207 days ago · 6 km deep · 58 km away
  8. 2.315 km NW of Vantage, Washington · 15206 days ago · 9 km deep · 41 km away
  9. 1.67 km WNW of Quincy, Washington · 15205 days ago · 0 km deep · 29 km away
  10. 2.13 km E of Entiat, Washington · 15203 days ago · 0 km deep · 72 km away
  11. 2.613 km ESE of Mansfield, Washington · 15200 days ago · 0 km deep · 70 km away
  12. 2.316 km NW of Benton City, Washington · 15199 days ago · 19 km deep · 86 km away
  13. 2.24 km WNW of Waterville, Washington · 15198 days ago · -1 km deep · 69 km away
  14. 1.715 km S of Ephrata, Washington · 15193 days ago · 10 km deep · 2 km away
  15. 2.114 km SE of Kittitas, Washington · 15192 days ago · 4 km deep · 62 km away
  16. 2.011 km ESE of Mansfield, Washington · 15186 days ago · 0 km deep · 66 km away
  17. 1.93 km ESE of Entiat, Washington · 15174 days ago · 0 km deep · 71 km away
  18. 3.32 km NE of Lind, Washington · 15172 days ago · 3 km deep · 77 km away
  19. 1.915 km NNW of Vantage, Washington · 15166 days ago · -1 km deep · 41 km away
  20. 2.314 km SSW of Vantage, Washington · 15159 days ago · 3 km deep · 53 km away
  21. 1.812 km W of Entiat, Washington · 15153 days ago · 2 km deep · 82 km away

Before

  1. 2.214 km NE of Richland, Washington · 15210 days ago · 1 km deep · 91 km away
  2. 1.64 km ESE of Entiat, Washington · 15213 days ago · 5 km deep · 70 km away
  3. 2.318 km NNW of Banks Lake South, Washington · 15225 days ago · 0 km deep · 72 km away
  4. 1.921 km S of Royal City, Washington · 15227 days ago · 0 km deep · 50 km away
  5. 1.78 km SSE of Leavenworth, Washington · 15228 days ago · 1 km deep · 89 km away
  6. 1.812 km NNW of Vantage, Washington · 15231 days ago · 0 km deep · 40 km away
  7. 2.113 km NNW of Vantage, Washington · 15231 days ago · 0 km deep · 40 km away
  8. 3.315 km NNW of Vantage, Washington · 15231 days ago · 0 km deep · 41 km away
  9. 1.813 km NNW of Vantage, Washington · 15231 days ago · 0 km deep · 40 km away
  10. 2.814 km NNW of Vantage, Washington · 15231 days ago · 0 km deep · 40 km away
  11. 2.814 km NNW of Vantage, Washington · 15231 days ago · 0 km deep · 41 km away
  12. 1.825 km SW of Vantage, Washington · 15233 days ago · 16 km deep · 65 km away
  13. 1.624 km SW of Vantage, Washington · 15233 days ago · 14 km deep · 64 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10189918. Read Tue, Sep 22, 2026, 3:56 AM UTC.