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M1.6 Depth: 16.0 km

M1.6 Earthquake near Boulder City, Nevada (United States)

UTC time: 2026-07-21 23:00:29 UTC Local time: —

About this earthquake

On July 21, 2026 at 23:00 UTC, a magnitude M1.6 earthquake occurred near Boulder City, Nevada (United States). The hypocenter lay relatively close to the surface at around 16 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 189 earthquakes, the strongest at M3.1.

Details

Magnitude
M1.6
Depth
16.0 km
UTC time
2026-07-21 23:00:29 UTC
Local time
—
Country
United States
State
Nevada
City
Boulder City
County
Clark County
Source
usgs
Coordinates
35.98430, -114.84760
Temperature
32.9°C

Map

Depth profile

Depth profile Depth: 16 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 16 km
Shallow
16 km
16 km — close to the regional average (15.6 km)
Regional average: 15.6 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Uinkaret Field
    Distance: 160 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Ubehebe Craters
    Distance: 260 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Markagunt Plateau
    Distance: 263 km ·Volcanic field ·Elevation: 2'840 m ·Last eruption: 1050 ·United States
  • San Francisco Volcanic Field
    Distance: 295 km ·Volcanic field ·Elevation: 3'850 m ·Last eruption: 1075 ·United States
  • Salton Buttes
    Distance: 318 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Black Rock Desert
    Distance: 391 km ·Volcanic field ·Elevation: 1'800 m ·Last eruption: 1290 ·United States

Historic earthquake map · United States

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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