M2.7 earthquake 17 km NNW of Marblemount, Washington
A magnitude 2.7 earthquake struck 17 km NNW of Marblemount, Washington on Sat, Jan 18, 1992, 7:00 PM PST (03:00 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M3.4 27 km SW of Princeton, Canada. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.7 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1992-01-19 03:00:17 UTC
- Depth
- 6.0 km (3.7 mi), shallow
- Epicenter
- 48.674° N, 121.553° W
- Region
- Washington
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 2.7 | Md, duration | Pacific Northwest Seismic Network | Preferred · Final · ±0.05 · 6 stations |
| 2.7 | Md, duration | USGS National Earthquake Information Center | Reviewed |
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, 1.3 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 165°
- Stations used
- 26
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 3 in the 30 days before it.
After
- 3.14 km SW of Lake Cavanaugh, Washington · 12674 days ago · 10 km deep · 57 km away
- 1.92 km SE of Bryant, Washington · 12666 days ago · -1 km deep · 66 km away
- 1.54 km WSW of Lake Cavanaugh, Washington · 12655 days ago · 11 km deep · 56 km away
- 1.95 km WSW of Darrington, Washington · 12643 days ago · 3 km deep · 50 km away
- 3.427 km SW of Princeton, Canada · 12626 days ago · 5 km deep · 89 km away
- 2.38 km SSW of Camano, Washington · 12625 days ago · 13 km deep · 97 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10286903 (also filed as usp00051yc). Read Fri, Oct 2, 2026, 8:54 PM UTC.