M1.6 earthquake 7 km ESE of Deming, Washington
A magnitude 1.6 earthquake struck 7 km ESE of Deming, Washington on Sat, Apr 8, 1978, 12:38 PM PST (20:38 UTC), 8 km (5 mi) below the surface.
A larger quake followed: M1.9 7 km NE of Acme, 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
- 1978-04-08 20:38:21 UTC
- Depth
- 7.7 km (4.8 mi), shallow
- Epicenter
- 48.798° N, 122.118° 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 4.3 km horizontally, 4.0 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 277°, 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: 8 in the 60 days after this one and 3 in the 30 days before it.
After
- 1.97 km NE of Acme, Washington · 17693 days ago · -1 km deep · 3 km away
- 1.70 km W of Lyman, Washington · 17677 days ago · -1 km deep · 30 km away
- 2.35 km SE of Anacortes, Washington · 17672 days ago · 14 km deep · 49 km away
- 1.83 km N of Woods Creek, Washington · 17661 days ago · 5 km deep · 100 km away
- 2.57 km ESE of Deming, Washington · 17661 days ago · 2 km deep · 1 km away
- 2.52 km ENE of Lake McMurray, Washington · 17657 days ago · 5 km deep · 53 km away
- 1.57 km WSW of Ault Field, Washington · 17651 days ago · 15 km deep · 72 km away
- 1.55 km SSE of Edison, Washington · 17642 days ago · 17 km deep · 37 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10846488. Read Tue, Sep 22, 2026, 4:55 PM UTC.