QuakeIndex

Earthquake · reviewed by a seismologist

M 1.6ml

2 km ESE of Twin Lakes, Colorado

· 5.0 km deep · released about 7.6 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Lake County 14 kmChaffee County 38 kmPitkin County 51 kmPark County 55 kmSummit County 63 kmEagle County 68 kmGunnison County 76 kmClear Creek County 90 kmTeller County 103 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 1.6 (ml)
Depth
5.0 km below the surface
Felt
no reports yet
Nearest
Lake County, 14 km N
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2030 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

How big was it?

This earthquake released about 7.6 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.6 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 2,000,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 1,400,000× the energy of this one
  3. Around the size people start to feel M 3.0 130× the energy of this one
  4. This earthquake M 1.6 about 7.6 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.

Where

Epicentre 39.0753, -106.3515. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Lake County, CO 14 km (9 mi) S of here earthquakes near Lake County
Chaffee County, CO 38 km (24 mi) N of here earthquakes near Chaffee County
Pitkin County, CO 51 km (32 mi) ESE of here earthquakes near Pitkin County
Park County, CO 55 km (34 mi) W of here earthquakes near Park County
Summit County, CO 63 km (39 mi) SSW of here earthquakes near Summit County
Eagle County, CO 68 km (42 mi) SSE of here earthquakes near Eagle County

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

Aftershocks so far

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

  1. 2.4 10 km NW of Alma, Colorado
  2. 2.8 9 km E of Woody Creek, Colorado

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.