QuakeIndex

explosion · reviewed by a seismologist

M 2.0ml

Earthquake near Enterprise, NV

USGS: California-Nevada border region

30 km (19 mi) S of Las Vegas, NV · 18 km (11 mi) WSW of Henderson, NV

3:17 pm PDT, Oct 4, 2018 · · 0.0 km deep · released about 30 lb of TNT

10 km30 km60 km120 km N Clark County 33 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
3:17 pm PDT on 4 October 2018 ()
Where
7 km (4 mi) SSE of Enterprise, NV · earthquakes near Enterprise
Magnitude
M 2.0 (ml)
Depth
0.0 km below the surface
Felt
no reports yet
Nearest
Clark County, 33 km NNE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2920 days ago

A magnitude 2.0 earthquake was recorded 7 km (4 mi) SSE of Enterprise, NV, at 3:17 pm PDT on 4 October 2018 (22:17 UTC). This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

Earthquakes near other towns within 30 km: Paradise, Spring Valley, Summerlin South, Winchester, Whitney, Henderson.

USGS catalogues this as explosion, not an earthquake.

How big was it?

This earthquake released about 30 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.0 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 500,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 350,000× the energy of this one
  3. Around the size people start to feel M 3.0 32× the energy of this one
  4. This earthquake M 2.0 about 30 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.

Where

Epicentre 35.9667, -115.2157. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Clark County, NV 33 km (20 mi) NNE earthquakes near Clark County

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

Aftershocks so far

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

  1. 2.5 Nevada
  2. 1.5 13 km NE of Nellis Air Force Base, Nevada
  3. 1.6 15 km NE of Nellis Air Force Base, Nevada
  4. 1.6 5 km SE of Henderson, Nevada
  5. 1.9 14 km ENE of Boulder City, Nevada
  6. 1.5 19 km N of Summerlin South, Nevada
  7. 1.7 19 km NNW of Summerlin South, Nevada
  8. 1.7 Nevada
  9. 1.5 5 km N of Whitney, Nevada
  10. 1.6 18 km NNW of Summerlin South, Nevada
  11. 1.8 3 km S of Boulder City, Nevada
  12. 1.7 1 km SW of Summerlin South, Nevada
  13. 2.1 13 km S of Henderson, Nevada
  14. 2.8 Nevada
  15. 1.6 12 km WNW of Las Vegas, 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.