M1.5 earthquake 6 km ESE of Edison, Washington
A magnitude 1.5 earthquake struck 6 km ESE of Edison, Washington on Sun, Mar 16, 2003, 10:56 PM PST (06:56 UTC), 17 km (11 mi) below the surface.
A larger quake followed: M2.7 2 km NE of Redmond, 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, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 2003-03-17 06:56:00 UTC
- Depth
- 17.4 km (10.8 mi), shallow
- Epicenter
- 48.533° N, 122.369° 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 0.7 km horizontally, 1.2 km in depth
- Magnitude uncertainty
- ±0.03
- Depth from
- From location
- Station coverage gap
- 107°
- Stations used
- 19
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
- 2.012 km ENE of Mission, Canada · 8599 days ago · 5 km deep · 72 km away
- 1.56 km SSW of Hansville, Washington · 8598 days ago · 27 km deep · 77 km away
- 1.91 km E of Granite Falls, Washington · 8591 days ago · 0 km deep · 59 km away
- 2.11 km NE of Keyport, Washington · 8571 days ago · 24 km deep · 93 km away
- 1.53 km WSW of Eastmont, Washington · 8571 days ago · 19 km deep · 73 km away
- 1.92 km NW of Eastmont, Washington · 8570 days ago · 21 km deep · 70 km away
- 2.72 km NE of Redmond, Washington · 8569 days ago · 14 km deep · 96 km away
- 1.511 km NNW of Orcas, Washington · 8552 days ago · 57 km deep · 48 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10580118. Read Fri, Oct 2, 2026, 10:11 AM UTC.