Earthquake near Parowan, UT

USGS: 10 km NNW of Alton, Utah

12:51 pm MST, Feb 9, 2019 · 2019-02-09 19:51 UTC · 14 km deep · released about 13 lb of TNT

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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: 12:51 pm MST on 9 February 2019 (2019-02-09 19:51 UTC)
Where: 44 km (27 mi) SE of Parowan, UT · earthquakes near Parowan
Magnitude: M 1.8 (md)
Depth: 14 km below the surface
Felt: no reports yet
Nearest: Kane County, 69 km ESE
Nearest mapped fault: Sevier/Toroweap fault, 8 km from its surface trace — near is not the same as on
Status: Reviewed by a seismologist

USGS · last changed by USGS 2789 days ago · we first saw it 2789 days ago

A magnitude 1.8 earthquake was recorded 44 km (27 mi) SE of Parowan, UT, at 12:51 pm MST on 9 February 2019 (19:51 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 13 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.8 would have released about 32 times as much.

Mineral, Virginia 2011 M 5.8 1,200,000× the energy of this one
Magna, Utah 2020 M 5.7 840,000× the energy of this one
Around the size people start to feel M 3.0 75× the energy of this one
This earthquake M 1.8 about 13 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

Map loads when it scrolls into view

Epicentre 37.5275, -112.5247. Map © OpenStreetMap contributors.

Nearby places

Place	Distance	Direction from the epicentre
Kane County, UT	69 km (43 mi)	ESE	earthquakes near Kane County
Iron County, UT	81 km (50 mi)	WNW	earthquakes near Iron County
Washington County, UT	90 km (56 mi)	WSW	earthquakes near Washington County
Piute County, UT	96 km (60 mi)	NNE	earthquakes near Piute County
Garfield County, UT	100 km (62 mi)	ENE	earthquakes near Garfield County
Beaver County, UT	112 km (69 mi)	NW	earthquakes near Beaver County

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

Aftershocks so far

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

1.7 10 km NW of Orderville, Utah 07:53 UTC
1.8 13 km SW of Hatch, Utah 20:16 UTC
1.5 23 km ESE of Kanarraville, Utah 06:32 UTC
1.6 8 km ESE of Panguitch, Utah 15:27 UTC
1.8 11 km SSW of Hatch, Utah 02:14 UTC
1.6 16 km SE of Hatch, Utah 21:17 UTC
2.3 1 km NNW of Parowan, Utah 20:21 UTC
1.9 2 km N of Parowan, Utah 10:19 UTC
1.6 20 km N of Springdale, Utah 04:07 UTC
1.7 9 km E of Hatch, Utah 14:13 UTC
2.0 7 km WNW of Panguitch, Utah 12:02 UTC
1.8 9 km WNW of Panguitch, Utah 15:17 UTC
1.8 13 km SW of Hatch, Utah 05:14 UTC
1.5 7 km NNW of Panguitch, Utah 23:59 UTC
1.7 9 km S of Cedar City, Utah 20:26 UTC

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of 02:50 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.