M2.4 earthquake 3 km ESE of Key Center, Washington
A magnitude 2.4 earthquake struck 3 km ESE of Key Center, Washington on Fri, Mar 5, 1971, 11:10 PM PST (07:10 UTC), 23 km (14 mi) below the surface.
A larger quake followed: M2.7 0 km WNW of Burley, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.4 (md), micro
- Local time
- UTC
- 1971-03-06 07:10:08 UTC
- Depth
- 23.3 km (14.5 mi), shallow
- Epicenter
- 47.329° N, 122.708° 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 0.1 km horizontally, 0.3 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 125°
- Stations used
- 4
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 6 in the 30 days before it.
After
- 2.31 km E of Silverdale, Washington · 20281 days ago · 8 km deep · 35 km away
- 2.13 km NE of Dash Point, Washington · 20279 days ago · 11 km deep · 24 km away
- 1.812 km ENE of Enumclaw, Washington · 20271 days ago · 22 km deep · 67 km away
- 2.70 km WNW of Burley, Washington · 20265 days ago · 41 km deep · 11 km away
- 3.27 km SSW of Brinnon, Washington · 20262 days ago · 14 km deep · 36 km away
- 2.10 km SSW of Woodinville, Washington · 20257 days ago · 21 km deep · 62 km away
- 2.01 km WNW of Burien, Washington · 20253 days ago · 26 km deep · 31 km away
- 1.68 km WNW of Gorst, Washington · 20241 days ago · 14 km deep · 25 km away
- 2.16 km NNE of Snoqualmie, Washington · 20236 days ago · 12 km deep · 74 km away
Before
- 1.811 km E of Ravensdale, Washington · 20300 days ago · 67 km deep · 66 km away
- 2.23 km NNW of Cottage Lake, Washington · 20302 days ago · 8 km deep · 68 km away
- 2.27 km ESE of Riverbend, Washington · 20315 days ago · 18 km deep · 79 km away
- 3.06 km WNW of Allyn, Washington · 20316 days ago · 40 km deep · 17 km away
- 2.33 km E of Union Hill-Novelty Hill, Washington · 20318 days ago · 11 km deep · 67 km away
- 2.00 km SSE of Clyde Hill, Washington · 20318 days ago · 24 km deep · 50 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10838663. Read Tue, Sep 22, 2026, 8:43 PM UTC.