M1.7 earthquake 16 km NNW of Summerlin South, Nevada

A magnitude 1.7 earthquake struck 16 km NNW of Summerlin South, Nevada on Tue, Jan 5, 2021, 3:26 PM PST (23:26 UTC), 1 km (1 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M2.6 California-Nevada border region. 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
1.7	ML, local (Richter)	Nevada Seismological Laboratory	Preferred · Preliminary
1.7	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.07 · 27 stations

3 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

An automatic solution; a seismologist may revise it.

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

Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 4 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event nn00796170 (also filed as us6000d5xk). Read Sat, Oct 3, 2026, 4:59 AM UTC.