Location:

Period:

10 May 2026 18:22:13 - 11 May 2026 23:11:22 (1 day 4 hours 49 minutes)

Volcanoes in 100km radius:

Soda Lakes(32km)

Earthquakes:

5 swarms found nearby.

2002

S20021121.1(13.5km)

21 Nov

1 day 14 hours

30 earthquakes

2024

S20241209.3(15.8km)

9 Dec

20 days 10 hours

729 earthquakes

S20241230.1(16.1km)

30 Dec

18 days 3 hours

232 earthquakes

2026

S20260414.1(5.8km)

14 Apr

13 days 11 hours

403 earthquakes

S20260501.1(0.7km)

30 Apr

4 days 5 hours

85 earthquakes

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Seismic Swarm Near Silver Springs, Nevada: Analysis of the May 2026 Event

A seismic swarm designated S20260511.1 occurred 18 km southeast of Silver Springs in western Nevada. The sequence began at 18:22 on 10 May 2026 and concluded at 23:11 on 11 May 2026, lasting 28 hours and 49 minutes. During this period, 35 earthquakes were recorded, with magnitudes ranging from 1.5 to 4.0 and focal depths predominantly between 5 and 9 km.

The swarm initiated with a magnitude 4.0 event at 6 km depth. Subsequent activity included multiple events above magnitude 2.0, such as two magnitude 2.8 shocks and several magnitude 2.7 and 2.4 events clustered later in the sequence. Depths remained shallow throughout, consistent with regional crustal conditions. The temporal pattern showed an initial burst of activity followed by intermittent smaller events, a distribution typical of swarm behavior rather than a classic mainshock-aftershock sequence.

Western Nevada lies within the Basin and Range Province, characterized by extensional tectonics that produce north-south trending normal faults. The Silver Springs area sits near the western margin of this province, influenced by the Walker Lane belt—a zone of right-lateral shear accommodating part of the Pacific-North America plate motion. This tectonic setting generates frequent small-to-moderate earthquakes and occasional swarms along distributed fault systems.

Historical records indicate five seismic swarms in the broader region since 2000. These occurred in 2002 (one swarm), 2024 (two swarms), and 2026 (two swarms). Such episodic clusters reflect the area's ongoing strain accumulation and release along secondary faults.

The May 2026 swarm produced no reported damage or felt effects beyond the immediate vicinity, consistent with the modest magnitudes involved. Continued monitoring remains important given the region's established seismicity.

References

USGS Earthquake Catalog and Nevada seismic hazard assessments
Nevada Bureau of Mines and Geology regional tectonic summaries
Walker Lane belt structural studies (peer-reviewed geological literature)