M1.6 earthquake Washington
A magnitude 1.6 earthquake struck in Washington on Sat, Jul 8, 1978, 4:55 AM PDT (11:55 UTC), 3 km (2 mi) below the surface.
A larger quake followed: M1.7 3 km NE of Southworth, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.6 (md), micro
- Local time
- UTC
- 1978-07-08 11:55:57 UTC
- Depth
- 2.9 km (1.8 mi), shallow
- Epicenter
- 46.873° N, 121.940° 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, 0.0 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- Operator assigned
- Station coverage gap
- 85°
- Stations used
- 9
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 8 in the 30 days before it.
After
- 1.66 km NE of Ashford, Washington · 17593 days ago · 12 km deep · 9 km away
- 1.50 km WSW of North Bend, Washington · 17583 days ago · 19 km deep · 70 km away
- 1.611 km ENE of Onalaska, Washington · 17582 days ago · 17 km deep · 56 km away
- 1.65 km W of Burley, Washington · 17574 days ago · 22 km deep · 84 km away
- 1.73 km NE of Southworth, Washington · 17573 days ago · 14 km deep · 83 km away
- 2.310 km S of Baring, Washington · 17569 days ago · 11 km deep · 96 km away
- 1.96 km W of Burley, Washington · 17549 days ago · 22 km deep · 85 km away
Before
- 1.514 km NNE of Ashford, Washington · 17609 days ago · 3 km deep · 1 km away
- 1.67 km ESE of Mineral, Washington · 17615 days ago · 16 km deep · 24 km away
- 1.78 km NW of Nile, Washington · 17617 days ago · 2 km deep · 71 km away
- 3.66 km NNW of Nile, Washington · 17620 days ago · 11 km deep · 74 km away
- 3.3Puget Sound region, Washington · 17626 days ago · 46 km deep · 95 km away
- 2.27 km SE of Cliffdell, Washington · 17634 days ago · -1 km deep · 72 km away
- 1.511 km ENE of Onalaska, Washington · 17635 days ago · 12 km deep · 56 km away
- 2.66 km NNW of Nile, Washington · 17636 days ago · 1 km deep · 73 km away
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10847403. Read Wed, Sep 23, 2026, 12:48 AM UTC.