M2.2 earthquake 18 km NNW of Jamestown, Washington
A magnitude 2.2 earthquake struck 18 km NNW of Jamestown, Washington on Wed, Sep 27, 1978, 5:34 AM PDT (12:34 UTC), 40 km (25 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.2 (md), micro
- Local time
- UTC
- 1978-09-27 12:34:19 UTC
- Depth
- 40.2 km (25.0 mi), shallow
- Epicenter
- 48.276° N, 123.188° 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, 0.7 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 141°
- Stations used
- 13
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 4 in the 30 days before it.
After
- 1.94 km WSW of Coupeville, Washington · 17499 days ago · 21 km deep · 33 km away
- 1.53 km NW of Bryant, Washington · 17498 days ago · 11 km deep · 75 km away
- 2.08 km WNW of Belfair, Washington · 17480 days ago · 13 km deep · 90 km away
Before
- 2.030 km SE of Clallam Bay, Washington · 17535 days ago · 35 km deep · 63 km away
- 1.88 km SSE of Point Roberts, Washington · 17550 days ago · 4 km deep · 71 km away
- 2.16 km N of Kingston, Washington · 17559 days ago · 14 km deep · 70 km away
- 1.66 km NNE of Hoodsport, Washington · 17562 days ago · 2 km deep · 90 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10847963. Read Wed, Sep 30, 2026, 12:38 AM UTC.