Earthquake near Parks, AZ

USGS: 12 km SSE of Parks, Arizona

25 km (15 mi) W of Flagstaff, AZ

3:11 am MST, Jan 3, 2017 · 2017-01-03 10:11 UTC · 5.0 km deep · released about 170 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: 3:11 am MST on 3 January 2017 (2017-01-03 10:11 UTC)
Where: 13 km (8 mi) SSE of Parks, AZ · earthquakes near Parks
Magnitude: M 2.5 (ml)
Depth: 5.0 km below the surface
Felt: no reports yet
Nearest: Coconino County, 76 km N
Status: Reviewed by a seismologist

USGS · last changed by USGS 3476 days ago · we first saw it 3476 days ago

A magnitude 2.5 earthquake was recorded 13 km (8 mi) SSE of Parks, AZ, at 3:11 am MST on 3 January 2017 (10:11 UTC). This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.

Earthquakes near other towns within 30 km: Kachina Village, Mountainaire, Flagstaff, Williams.

How big was it?

This earthquake released about 170 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.5 would have released about 32 times as much.

Mineral, Virginia 2011 M 5.8 89,000× the energy of this one
Magna, Utah 2020 M 5.7 63,000× the energy of this one
Around the size people start to feel M 3.0 5.6× the energy of this one
This earthquake M 2.5 about 170 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 lists 2 earthquakes of M5 or more within 50 km:

6.2 Near Flagstaff, Arizona · 18 km ENE of this epicentre Jan 25, 1906
6.2 Near Flagstaff, Arizona · 19 km ENE of this epicentre Aug 18, 1912

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

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Nearby places

Place	Distance	Direction from the epicentre
Coconino County, AZ	76 km (47 mi)	N	earthquakes near Coconino County
Yavapai County, AZ	86 km (53 mi)	SW	earthquakes near Yavapai County

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

Aftershocks so far

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

2.5 14 km N of Clarkdale, Arizona 02:01 UTC
2.6 20 km NE of Parks, Arizona 14:24 UTC
2.6 9 km WSW of Williams, Arizona 22:40 UTC
2.7 10 km ESE of Flagstaff, Arizona 04:09 UTC
3.3 4 km ESE of Flagstaff, Arizona 09:20 UTC
3.3 13 km E of Flagstaff, Arizona 16:08 UTC
3.1 10 km ESE of Flagstaff, Arizona 21:31 UTC
2.7 9 km SSW of Parks, Arizona 13:15 UTC
2.6 9 km S of Parks, Arizona 20:43 UTC

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of 01:36 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.