33 km S of Golconda, Nevada

2019-03-20 14:51 UTC · 7.7 km deep · released about 2.7 tons of TNT

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: 2019-03-20 14:51 UTC
Magnitude: M 3.5 (ml)
Depth: 7.7 km below the surface
Felt: 1 report · strongest reported intensity II
Measured shaking: intensity IV (ShakeMap)
Nearest: Pershing County, 76 km WSW
Nearest mapped fault: Grass Valley fault, 6 km from its surface trace — near is not the same as on
Status: Reviewed by a seismologist

USGS · last changed by USGS 2671 days ago · we first saw it 2671 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 1 person has reported feeling it to USGS.

How big was it?

This earthquake released about 2.7 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.5 would have released about 32 times as much.

Northridge, California 1994 M 6.7 63,000× the energy of this one
Mineral, Virginia 2011 M 5.8 2,800× the energy of this one
Magna, Utah 2020 M 5.7 2,000× the energy of this one
This earthquake M 3.5 about 2.7 tons of TNT
Around the size people start to feel M 3.0 this one released 5.6× 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

Map loads when it scrolls into view

Epicentre 40.6533, -117.5608. Map © OpenStreetMap contributors.

Nearby places

Place	Distance	Direction
Pershing County, NV	76 km (47 mi)	ENE of here	earthquakes near Pershing County
Lander County, NV	94 km (59 mi)	NNW of here	earthquakes near Lander County
Humboldt County, NV	96 km (60 mi)	SSE of here	earthquakes near Humboldt County
Eureka County, NV	133 km (82 mi)	NW of here	earthquakes near Eureka County

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

Aftershocks so far

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

2.6 37 km ESE of Imlay, Nevada 16:18 UTC
2.4 Nevada 17:39 UTC
3.1 5 km NE of Valmy, Nevada 15:24 UTC
1.5 62 km SE of Imlay, Nevada 04:14 UTC
3.3 53 km SE of Imlay, Nevada 07:03 UTC
2.5 45 km SE of Imlay, Nevada 00:39 UTC
2.1 14 km NNE of Golconda, Nevada 08:12 UTC
3.2 11 km NW of Valmy, Nevada 13:17 UTC
1.6 24 km WSW of Battle Mountain, Nevada 20:00 UTC
2.2 57 km SE of Imlay, Nevada 05:35 UTC
2.1 7 km SW of Valmy, Nevada 16:05 UTC
2.8 41 km SW of Valmy, Nevada 08:36 UTC
2.0 42 km SE of Imlay, Nevada 04:58 UTC
1.8 41 km SSW of Golconda, Nevada 18:04 UTC

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of 02:27 UTC. QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.

On USGS

The official USGS event page — the source of record for every value above
Did you feel it? Report it to USGS — reports go to USGS, not to us
ShakeMap for this event, when USGS has produced one

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