QuakeIndex

Earthquake · reviewed by a seismologist

M 4.5ml

15 km WNW of Sandy Valley, Nevada

· 8.6 km deep · released about 85 tons of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Clark County 77 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
Magnitude
M 4.5 (ml)
Depth
8.6 km below the surface
Felt
133 reports · strongest reported intensity IV
Measured shaking
intensity IV (ShakeMap)
USGS impact alert
green
Nearest
Clark County, 77 km ENE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2641 days ago

This was a light earthquake. It is usually felt clearly nearby and can rattle windows and dishes, but damage is uncommon. 133 people have reported feeling it to USGS.

How big was it?

This earthquake released about 85 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 5.5 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 2,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 89× the energy of this one
  3. Magna, Utah 2020 M 5.7 63× the energy of this one
  4. This earthquake M 4.5 about 85 tons of TNT
  5. Around the size people start to feel M 3.0 this one released 180× more

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 35.8945, -115.7758. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Clark County, NV 77 km (48 mi) WSW of here earthquakes near Clark County
San Bernardino County, CA 121 km (75 mi) NNE of here earthquakes near San Bernardino County

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

Aftershocks so far

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

  1. 2.1 17km ENE of Shoshone, CA
  2. 2.1 11 km S of Enterprise, Nevada
  3. 1.5 17 km S of Goodsprings, Nevada
  4. 2.3 18km SW of Primm, NV
  5. 1.9 25km E of Tecopa, CA
  6. 2.2 18km SW of Primm, NV
  7. 2.1 29km NNE of Baker, CA
  8. 2.1 37 km SSE of Sandy Valley, Nevada
  9. 2.3 14 km WNW of Sandy Valley, Nevada
  10. 1.7 17km ENE of Shoshone, CA
  11. 2.5 14 km NW of Sandy Valley, Nevada
  12. 1.9 18km ENE of Shoshone, CA
  13. 1.5 36 km S of Sandy Valley, Nevada
  14. 1.5 12 km WNW of Sandy Valley, Nevada
  15. 2.1 17km SW of Primm, NV

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.