Earthquake near McCall, ID

USGS: 23 km SSE of Riggins, Idaho

7:47 am MDT, Jul 31, 2021 · 2021-07-31 13:47 UTC · 14 km deep · released about 31 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: 7:47 am MDT on 31 July 2021 (2021-07-31 13:47 UTC)
Where: 38 km (24 mi) N of McCall, ID · earthquakes near McCall
Magnitude: M 2.0 (ml)
Depth: 14 km below the surface
Felt: no reports yet
Nearest: Adams County, 48 km SSW
Status: Reviewed by a seismologist

USGS · last changed by USGS 1886 days ago · we first saw it 1886 days ago

A magnitude 2.0 earthquake was recorded 38 km (24 mi) N of McCall, ID, at 7:47 am MDT on 31 July 2021 (13:47 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 31 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.

Mineral, Virginia 2011 M 5.8 480,000× the energy of this one
Magna, Utah 2020 M 5.7 340,000× the energy of this one
Around the size people start to feel M 3.0 31× the energy of this one
This earthquake M 2.0 about 31 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 45.2498, -116.1523. Map © OpenStreetMap contributors.

Nearby places

Place	Distance	Direction from the epicentre
Adams County, ID	48 km (30 mi)	SSW	earthquakes near Adams County
Valley County, ID	61 km (38 mi)	SE	earthquakes near Valley County
Idaho County, ID	85 km (53 mi)	NE	earthquakes near Idaho County
Wallowa County, OR	89 km (55 mi)	WNW	earthquakes near Wallowa County
Washington County, ID	103 km (64 mi)	SSW	earthquakes near Washington County
Lewis County, ID	112 km (69 mi)	N	earthquakes near Lewis 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.

1.9 17 km NW of New Meadows, Idaho 13:24 UTC
1.7 26 km NE of Riggins, Idaho 05:20 UTC
1.5 20 km NW of New Meadows, Idaho 09:10 UTC
2.0 17 km NW of New Meadows, Idaho 07:24 UTC
2.4 21 km NW of New Meadows, Idaho 05:58 UTC
2.3 13 km NNW of New Meadows, Idaho 13:49 UTC
1.6 20 km SE of White Bird, Idaho 14:30 UTC
2.3 19 km NW of New Meadows, Idaho 09:21 UTC
2.8 8 km S of McCall, Idaho 15:13 UTC
2.2 7 km S of McCall, Idaho 03:30 UTC
2.1 9 km S of McCall, Idaho 03:35 UTC
2.1 8 km SSE of McCall, Idaho 02:54 UTC
2.1 8 km SSE of McCall, Idaho 19:25 UTC
2.9 7 km SSE of McCall, Idaho 08:54 UTC
2.3 8 km SSE of McCall, Idaho 21:49 UTC

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of 02:08 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.