QuakeIndex

Earthquake · reviewed by a seismologist

M 1.6ml

Earthquake near Laughlin, NV

USGS: 4 km NNW of Searchlight, Nevada

86 km (54 mi) SSE of Las Vegas, NV · 57 km (35 mi) S of Henderson, NV

5:25 pm PDT, Aug 16, 2019 · · 2.4 km deep · released about 7.6 lb of TNT

10 km30 km60 km120 km N Clark County 79 kmMohave County 110 km
Distance rings around the epicentre, with the nearest towns at their true direction and later quakes as coloured dots. Not a shaking map — see the USGS ShakeMap for that.
When
5:25 pm PDT on 16 August 2019 ()
Where
50 km (31 mi) NW of Laughlin, NV · earthquakes near Laughlin
Magnitude
M 1.6 (ml)
Depth
2.4 km below the surface
Felt
no reports yet
Nearest
Clark County, 79 km N
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2599 days ago

A magnitude 1.6 earthquake was recorded 50 km (31 mi) NW of Laughlin, NV, at 5:25 pm PDT on 16 August 2019 (00:25 UTC). This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

How big was it?

This earthquake released about 7.6 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.6 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 2,000,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 1,400,000× the energy of this one
  3. Around the size people start to feel M 3.0 130× the energy of this one
  4. This earthquake M 1.6 about 7.6 lb of TNT

Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.

For this area

No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.

Before 2016, the USGS record since 1900 lists no earthquake of M5 or more within 50 km.

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 35.5062, -114.9357. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Clark County, NV 79 km (49 mi) N earthquakes near Clark County
Mohave County, AZ 110 km (68 mi) ENE earthquakes near Mohave County
San Bernardino County, CA 134 km (83 mi) WSW earthquakes near San Bernardino County

Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.

Aftershocks so far

12 earthquakes have been recorded within 50 km since this one.

  1. 1.9 12 km NNW of Nelson, Nevada
  2. 1.5 18 km E of Goodsprings, Nevada
  3. 1.7 12 km S of Boulder City, Nevada
  4. 2.3 20 km ENE of Nelson, Nevada
  5. 2.0 32 km SSE of Goodsprings, Nevada
  6. 2.0 27 km E of Goodsprings, Nevada
  7. 2.1 14 km SSE of Enterprise, Nevada
  8. 1.6 42 km S of Goodsprings, Nevada
  9. 1.5 13 km S of Primm, NV
  10. 2.1 13 km S of Henderson, Nevada
  11. 1.7 7 km NE of Searchlight, Nevada
  12. 1.8 10 km SSW of Boulder City, Nevada

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.