M2.1 earthquake 38 km NNE of Amboy, Washington
A magnitude 2.1 earthquake struck 38 km NNE of Amboy, Washington on Tue, Feb 5, 1985, 5:25 AM PST (13:25 UTC), -1 km (-1 mi) below the surface.
A larger quake followed: M2.5 8 km SE of Mineral, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.1 (md), micro
- Local time
- UTC
- 1985-02-05 13:25:25 UTC
- Depth
- -1.4 km (-0.9 mi), shallow
- Epicenter
- 46.206° N, 122.188° W
- Region
- Washington
- 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 0.0 km horizontally, 0.5 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- Operator assigned
- Station coverage gap
- 115°
- 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: 20 in the 60 days after this one and 6 in the 30 days before it.
After
- 1.815 km NNE of Ashford, Washington · 15204 days ago · 10 km deep · 78 km away
- 1.52 km ENE of Brush Prairie, Washington · 15203 days ago · 9 km deep · 58 km away
- 1.538 km NNE of Amboy, Washington · 15192 days ago · -1 km deep · 0 km away
- 1.91 km E of Meadow Glade, Washington · 15191 days ago · 10 km deep · 57 km away
- 1.812 km SE of Mossyrock, Washington · 15187 days ago · 14 km deep · 30 km away
- 1.538 km NNE of Amboy, Washington · 15186 days ago · -1 km deep · 0 km away
- 1.56 km SSW of Morton, Washington · 15181 days ago · 20 km deep · 34 km away
- 1.622 km S of Morton, Washington · 15177 days ago · 15 km deep · 18 km away
- 1.538 km NNE of Amboy, Washington · 15176 days ago · -1 km deep · 0 km away
- 1.819 km SSE of Mossyrock, Washington · 15175 days ago · 20 km deep · 23 km away
- 1.59 km E of Ashford, Washington · 15174 days ago · 5 km deep · 65 km away
- 1.84 km E of Winlock, Washington · 15160 days ago · -1 km deep · 61 km away
- 2.58 km SE of Mineral, Washington · 15154 days ago · 18 km deep · 51 km away
- 1.54 km SSW of Orting, Washington · 15153 days ago · 0 km deep · 95 km away
- 1.710 km SSE of Mineral, Washington · 15151 days ago · 16 km deep · 47 km away
- 1.810 km SSE of Mineral, Washington · 15151 days ago · 16 km deep · 47 km away
- 2.810 km SSE of Mineral, Washington · 15151 days ago · 15 km deep · 47 km away
- 1.510 km SSE of Mineral, Washington · 15151 days ago · 16 km deep · 47 km away
- 2.610 km SSE of Mineral, Washington · 15151 days ago · 16 km deep · 47 km away
- 2.417 km SSE of Carbonado, Washington · 15144 days ago · 13 km deep · 83 km away
Before
- 1.63 km WSW of Felida, Washington · 15207 days ago · 11 km deep · 71 km away
- 2.713 km NNE of Ashford, Washington · 15218 days ago · 12 km deep · 75 km away
- 1.73 km W of Deer Island, Oregon · 15221 days ago · 24 km deep · 62 km away
- 2.03 km W of Deer Island, Oregon · 15222 days ago · 23 km deep · 62 km away
- 1.510 km ENE of Ashford, Washington · 15231 days ago · 9 km deep · 70 km away
- 2.010 km NE of Ashford, Washington · 15233 days ago · 11 km deep · 73 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10185708. Read Tue, Sep 22, 2026, 7:46 AM UTC.