M2.2 earthquake 12 km SW of Nile, Washington
A magnitude 2.2 earthquake struck 12 km SW of Nile, Washington on Wed, Jul 20, 1983, 8:50 AM PDT (15:50 UTC), 4 km (3 mi) below the surface.
A larger quake followed: M3.1 7 km ENE of Tanner, 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
- 1983-07-20 15:50:14 UTC
- Depth
- 4.3 km (2.7 mi), shallow
- Epicenter
- 46.728° N, 121.032° 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 0.1 km horizontally, 0.1 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- Operator assigned
- Station coverage gap
- 126°
- Stations used
- 17
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 5 in the 30 days before it.
After
- 1.913 km NE of Mattawa, Washington · 15769 days ago · 1 km deep · 95 km away
- 1.62 km WSW of Wilderness Rim, Washington · 15767 days ago · 19 km deep · 98 km away
- 2.13 km NNE of Packwood, Washington · 15765 days ago · 4 km deep · 49 km away
- 1.511 km WSW of Cashmere, Washington · 15763 days ago · 0 km deep · 91 km away
- 3.17 km ENE of Tanner, Washington · 15753 days ago · 12 km deep · 97 km away
- 1.615 km NNE of Packwood, Washington · 15739 days ago · 2 km deep · 41 km away
- 1.920 km ENE of Ashford, Washington · 15738 days ago · 0 km deep · 59 km away
- 2.227 km S of Greenwater, Washington · 15730 days ago · -1 km deep · 56 km away
- 1.823 km ESE of Packwood, Washington · 15723 days ago · -1 km deep · 36 km away
- 2.211 km ESE of Carbonado, Washington · 15720 days ago · 18 km deep · 75 km away
Before
- 1.612 km SSW of Packwood, Washington · 15779 days ago · 1 km deep · 59 km away
- 2.020 km SW of Tampico, Washington · 15790 days ago · -1 km deep · 36 km away
- 2.18 km SSE of Leavenworth, Washington · 15792 days ago · 8 km deep · 95 km away
- 1.722 km ESE of Packwood, Washington · 15796 days ago · -1 km deep · 36 km away
- 1.832 km SSW of Packwood, Washington · 15800 days ago · 11 km deep · 77 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10160738. Read Mon, Sep 28, 2026, 11:54 AM UTC.