M2.3 earthquake 7 km S of Summerland, Canada

A magnitude 2.3 earthquake struck 7 km S of Summerland, Canada on Thu, Jul 3, 2003, 2:37 AM PDT (09:37 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M3.2 39 km ESE of Merritt, Canada. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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
2.8	Md, duration	Pacific Northwest Seismic Network	Final · ±0.05 · 8 stations

The USGS’s account of the effects of this earthquake.

Felt at Faulder, Kaleden, Penticton and Summerland.

From the USGS event page for usp000c1hy. U.S. Geological Survey text and figures are in the public domain.

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 3 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event usp000c1hy (also filed as uw10584138). Read Fri, Oct 2, 2026, 8:07 AM UTC.