M3.0 earthquake 4 km S of Entiat, Washington
A magnitude 3.0 earthquake struck 4 km S of Entiat, Washington on Sat, Dec 25, 1999, 2:50 PM PST (22:50 UTC), 6 km (4 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.0 (Md, duration), minor
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1999-12-25 22:50:08 UTC
- Depth
- 5.9 km (3.7 mi), shallow
- Epicenter
- 47.633° N, 120.202° W
- Region
- Washington
- Strongest shaking
- III, weak shaking
- 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 |
|---|---|---|---|
| 3.0 | Md, duration | Pacific Northwest Seismic Network | Preferred · Final · ±0.03 · 7 stations |
| 3.0 | Md, duration | USGS National Earthquake Information Center | Reviewed |
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- III, weak shaking
- Map
- Automatic
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
- ±0.03
- Depth from
- Operator assigned
- Station coverage gap
- 44°
- Stations used
- 31
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 1 in the 30 days before it.
After
- 1.510 km W of Entiat, Washington · 9774 days ago · -1 km deep · 12 km away
- 1.610 km W of Twisp, Washington · 9761 days ago · -1 km deep · 82 km away
- 2.12 km NW of Entiat, Washington · 9761 days ago · -1 km deep · 6 km away
- 1.59 km NW of Quincy, Washington · 9759 days ago · -1 km deep · 43 km away
- 1.611 km NNE of Entiat, Washington · 9740 days ago · -1 km deep · 16 km away
- 1.5Washington · 9736 days ago · -1 km deep · 4 km away
- 2.63 km SSW of Easton, Washington · 9727 days ago · 2 km deep · 89 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10489053 (also filed as usp0009ka3). Read Sat, Oct 3, 2026, 6:01 AM UTC.