M2.2 earthquake 29 km N of Amboy, Washington
A magnitude 2.2 earthquake struck 29 km N of Amboy, Washington on Tue, Jan 23, 1973, 8:18 PM PST (04:18 UTC), 17 km (11 mi) below the surface.
A larger quake followed: M2.7 7 km SSW of Mossyrock, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.2 (md), micro
- Local time
- UTC
- 1973-01-24 04:18:05 UTC
- Depth
- 17.0 km (10.5 mi), shallow
- Epicenter
- 46.172° N, 122.444° 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 0.6 km horizontally, 1.0 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 247°, poorly surrounded by stations
- Stations used
- 5
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 1 in the 30 days before it.
After
- 2.77 km SSW of Mossyrock, Washington · 19599 days ago · 29 km deep · 34 km away
- 3.329 km NE of Yacolt, Washington · 19595 days ago · 2 km deep · 31 km away
- 2.815 km SE of Ashford, Washington · 19584 days ago · 7 km deep · 72 km away
- 1.62 km NNW of Kapowsin, Washington · 19568 days ago · 67 km deep · 94 km away
- 2.77 km SW of Morton, Washington · 19566 days ago · 15 km deep · 39 km away
- 2.531 km S of Mossyrock, Washington · 19565 days ago · 10 km deep · 9 km away
- 2.77 km SE of Mineral, Washington · 19559 days ago · 19 km deep · 61 km away
- 1.76 km SE of Mineral, Washington · 19556 days ago · 16 km deep · 61 km away
- 2.212 km NE of Ashford, Washington · 19551 days ago · 6 km deep · 85 km away
- 2.142 km NE of Amboy, Washington · 19549 days ago · 2 km deep · 30 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10855583. Read Tue, Sep 22, 2026, 8:27 PM UTC.