M1.5 earthquake 6 km NE of Fall City, Washington
A magnitude 1.5 earthquake struck 6 km NE of Fall City, Washington on Sat, Apr 14, 1979, 7:48 PM PST (03:48 UTC), 18 km (11 mi) below the surface.
A larger quake followed: M2.3 15 km NNW of Cliffdell, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.5 (md), micro
- Local time
- UTC
- 1979-04-15 03:48:45 UTC
- Depth
- 17.5 km (10.9 mi), shallow
- Epicenter
- 47.603° N, 121.813° 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 0.5 km horizontally, 0.7 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 158°
- Stations used
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 4 in the 30 days before it.
After
- 1.6Washington · 17332 days ago · 2 km deep · 83 km away
- 1.55 km SW of Coupeville, Washington · 17331 days ago · 16 km deep · 95 km away
- 1.94 km SSW of Hansville, Washington · 17330 days ago · 9 km deep · 65 km away
- 2.018 km ESE of Carbonado, Washington · 17324 days ago · 13 km deep · 68 km away
- 1.55 km W of Burley, Washington · 17319 days ago · 23 km deep · 70 km away
- 1.84 km SSW of Des Moines, Washington · 17318 days ago · 10 km deep · 48 km away
- 2.315 km NNW of Cliffdell, Washington · 17294 days ago · 4 km deep · 76 km away
- 1.74 km ENE of Verlot, Washington · 17290 days ago · 14 km deep · 56 km away
- 1.840 km NE of Skykomish, Washington · 17278 days ago · 9 km deep · 75 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10849518. Read Wed, Sep 30, 2026, 8:12 PM UTC.