Washington earthquakes

M2.3 earthquake 16 km SE of Carbonado, Washington

A magnitude 2.3 earthquake struck 16 km SE of Carbonado, Washington on Fri, Mar 18, 1977, 7:38 PM PST (03:38 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M2.8 2 km N of Bonney Lake, Washington. This one was a foreshock.

Carbonado 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
2.3 (md), micro
Local time
UTC
1977-03-19 03:38:54 UTC
Depth
16.4 km (10.2 mi), shallow
Epicenter
46.978° N, 121.897° 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 1.3 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
206°, poorly surrounded by stations
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 2.12 km SSE of Dash Point, Washington · 18081 days ago · 14 km deep · 53 km away
  2. 1.78 km NNE of Lake Marcel-Stillwater, Washington · 18081 days ago · 12 km deep · 87 km away
  3. 1.9Puget Sound region, Washington · 18080 days ago · 25 km deep · 37 km away
  4. 2.312 km SW of Mossyrock, Washington · 18078 days ago · -1 km deep · 79 km away
  5. 2.33 km NNE of Bonney Lake, Washington · 18077 days ago · 8 km deep · 32 km away
  6. 2.82 km N of Bonney Lake, Washington · 18077 days ago · 13 km deep · 33 km away
  7. 2.02 km SSW of Bonney Lake, Washington · 18077 days ago · 25 km deep · 30 km away
  8. 2.01 km SSW of Suquamish, Washington · 18071 days ago · 5 km deep · 96 km away
  9. 1.611 km NE of Snoqualmie, Washington · 18070 days ago · 13 km deep · 71 km away
  10. 2.24 km ENE of Bonney Lake, WA · 18070 days ago · 24 km deep · 31 km away
  11. 2.42 km NNE of Bonney Lake, Washington · 18068 days ago · 18 km deep · 33 km away
  12. 2.2Washington · 18066 days ago · 19 km deep · 37 km away
  13. 2.1Washington · 18065 days ago · 17 km deep · 46 km away
  14. 1.94 km NE of Bonney Lake, Washington · 18061 days ago · 24 km deep · 31 km away
  15. 2.04 km N of White Center, Washington · 18060 days ago · 2 km deep · 73 km away
  16. 2.12 km E of Dash Point, Washington · 18053 days ago · 12 km deep · 54 km away
  17. 1.74 km WSW of White Center, Washington · 18053 days ago · 21 km deep · 70 km away
  18. 1.92 km ESE of Dash Point, Washington · 18053 days ago · 12 km deep · 53 km away
  19. 1.87 km SE of Enumclaw, Washington · 18044 days ago · 19 km deep · 20 km away
  20. 1.910 km SSW of Seabeck, Washington · 18040 days ago · 16 km deep · 97 km away
  21. 2.00 km NW of North Puyallup, Washington · 18040 days ago · 15 km deep · 39 km away
  22. 3.229 km S of Morton, Washington · 18037 days ago · 6 km deep · 79 km away
  23. 2.33 km ENE of Enetai, Washington · 18035 days ago · 11 km deep · 86 km away
  24. 2.218 km NNE of Ashford, Washington · 18025 days ago · 8 km deep · 8 km away
  25. 2.24 km E of Cathcart, Washington · 18024 days ago · 3 km deep · 98 km away

Before

  1. 1.65 km WNW of White Center, Washington · 18086 days ago · 21 km deep · 74 km away
  2. 2.12 km ESE of Issaquah, Washington · 18086 days ago · 31 km deep · 61 km away
  3. 2.1Puget Sound region, Washington · 18088 days ago · 64 km deep · 41 km away
  4. 1.76 km SSE of Wilderness Rim, Washington · 18089 days ago · 26 km deep · 48 km away
  5. 2.26 km E of Hobart, Washington · 18089 days ago · 13 km deep · 48 km away
  6. 2.1Washington · 18089 days ago · 9 km deep · 62 km away
  7. 1.71 km SSW of Federal Way, Washington · 18090 days ago · 20 km deep · 48 km away
  8. 2.44 km ESE of Hobart, Washington · 18091 days ago · 12 km deep · 48 km away
  9. 2.6Puget Sound region, Washington · 18096 days ago · 21 km deep · 67 km away
  10. 2.54 km WSW of Onalaska, Washington · 18097 days ago · 28 km deep · 81 km away
  11. 2.315 km WSW of Greenwater, Washington · 18098 days ago · 8 km deep · 14 km away
  12. 1.8Washington · 18104 days ago · 10 km deep · 70 km away
  13. 2.94 km SW of Morton, Washington · 18105 days ago · 22 km deep · 60 km away
  14. 2.96 km SW of Morton, Washington · 18106 days ago · 20 km deep · 62 km away
  15. 1.78 km NNE of Snoqualmie, Washington · 18110 days ago · 3 km deep · 69 km away
  16. 2.31 km NW of Lake Forest Park, Washington · 18110 days ago · 22 km deep · 93 km away
  17. 2.412 km N of Ashford, Washington · 18112 days ago · 1 km deep · 15 km away
  18. 1.91 km WNW of SeaTac, Washington · 18113 days ago · 23 km deep · 61 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10843373. Read Tue, Sep 22, 2026, 8:28 AM UTC.