M2.3 earthquake 17 km N of Grand Forks, Canada
A magnitude 2.3 earthquake struck 17 km N of Grand Forks, Canada on Sun, Jul 6, 2003, 11:45 PM PDT (06:45 UTC), 1 km (1 mi) below the surface.
A larger quake followed: M2.5 6 km WNW of Oliver, Canada. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.3 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2003-07-07 06:45:21 UTC
- Depth
- 1.0 km (0.6 mi), shallow
- Epicenter
- 49.190° N, 118.400° W
- Region
- Canada
- 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 |
|---|---|---|---|
| 2.3 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed |
| 2.7 | Md, duration | Pacific Northwest Seismic Network | Final · ±0.05 · 5 stations |
What happened
The USGS’s account of the effects of this earthquake.
Felt at Grand Forks.
From the USGS event page for usp000c1vk. U.S. Geological Survey text and figures are in the public domain.
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
- Station coverage gap
- 171°
- 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: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 1.525 km WNW of Inchelium, Washington · 8482 days ago · 6 km deep · 88 km away
- 2.56 km WNW of Oliver, Canada · 8461 days ago · 5 km deep · 90 km away
- 1.64 km NNW of Tonasket, Washington · 8457 days ago · 0 km deep · 92 km away
- 1.78 km E of Barstow, Washington · 8436 days ago · 4 km deep · 54 km away
Before
Earthquakes todayCanada earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000c1vk (also filed as uw10593793). Read Sat, Oct 3, 2026, 9:42 PM UTC.