M2.2 earthquake 10 km E of Point Roberts, Washington
A magnitude 2.2 earthquake struck 10 km E of Point Roberts, Washington on Sat, Feb 27, 1988, 9:55 PM PST (05:55 UTC), 7 km (4 mi) below the surface.
A larger quake followed: M2.9 6 km SW of Lyman, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.2 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1988-02-28 05:55:31 UTC
- Depth
- 7.1 km (4.4 mi), shallow
- Epicenter
- 48.968° N, 122.934° 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, 1.8 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- Operator assigned
- Station coverage gap
- 46°
- Stations used
- 24
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 1.54 km E of Lake Ketchum, Washington · 14085 days ago · 13 km deep · 90 km away
- 1.612 km WNW of Orcas, Washington · 14080 days ago · 16 km deep · 38 km away
- 2.03 km NNE of Glacier, Washington · 14069 days ago · -1 km deep · 74 km away
- 1.52 km NE of Glacier, Washington · 14069 days ago · 0 km deep · 74 km away
- 2.96 km SW of Lyman, Washington · 14060 days ago · 1 km deep · 79 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10231113. Read Thu, Oct 1, 2026, 4:39 PM UTC.