M1.5 earthquake 3 km E of Alger, Washington
A magnitude 1.5 earthquake struck 3 km E of Alger, Washington on Thu, Jul 13, 1978, 10:03 PM PDT (05:03 UTC), 18 km (11 mi) below the surface.
A larger quake followed: M1.9 3 km E of Port Townsend, 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
- 1978-07-14 05:03:42 UTC
- Depth
- 18.0 km (11.2 mi), shallow
- Epicenter
- 48.621° N, 122.298° 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 1.1 km horizontally, 2.7 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 138°
- Stations used
- 8
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
- 1.93 km E of Port Townsend, Washington · 17594 days ago · 23 km deep · 64 km away
- 1.54 km SW of Hansville, Washington · 17588 days ago · 12 km deep · 85 km away
- 1.76 km WSW of Darrington, Washington · 17578 days ago · 9 km deep · 63 km away
- 3.510 km WSW of North Saanich, Canada · 17567 days ago · 32 km deep · 92 km away
- 3.613 km SSE of Oak Bay, Canada · 17562 days ago · 19 km deep · 74 km away
- 1.923 km N of Marblemount, Washington · 17559 days ago · 1 km deep · 62 km away
- 2.16 km N of Kingston, Washington · 17552 days ago · 14 km deep · 86 km away
- 1.88 km SSE of Point Roberts, Washington · 17543 days ago · 4 km deep · 64 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10847488. Read Tue, Sep 22, 2026, 9:25 PM UTC.