QuakeIndex

Earthquake · reviewed by a seismologist

M 1.5ml

7 km SSE of Christine, Texas

· 8.2 km deep · released about 5.4 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Atascosa County 20 kmMcMullen County 39 kmLive Oak County 53 kmWilson County 63 kmFrio County 64 kmKarnes County 64 kmLa Salle County 73 kmBee County 79 kmBexar County 81 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 1.5 (ml)
Depth
8.2 km below the surface
Felt
no reports yet
Nearest
Atascosa County, 20 km NNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 118 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 5.4 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.5 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 2,800,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 2,000,000× the energy of this one
  3. Around the size people start to feel M 3.0 180× the energy of this one
  4. This earthquake M 1.5 about 5.4 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 28.7210, -98.4750. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Atascosa County, TX 20 km (12 mi) SSE of here earthquakes near Atascosa County
McMullen County, TX 39 km (24 mi) NNE of here earthquakes near McMullen County
Live Oak County, TX 53 km (33 mi) NW of here earthquakes near Live Oak County
Wilson County, TX 63 km (39 mi) SW of here earthquakes near Wilson County
Frio County, TX 64 km (40 mi) ESE of here earthquakes near Frio County
Karnes County, TX 64 km (40 mi) WSW of here earthquakes near Karnes 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.

  1. 2.0 15 km ESE of Pearsall, Texas
  2. 1.7 15 km ESE of Pearsall, Texas
  3. 2.1 16 km SE of Pearsall, Texas
  4. 2.1 13 km ESE of Pearsall, Texas
  5. 1.7 14 km SE of Pearsall, Texas
  6. 1.5 19 km NW of Three Rivers, Texas
  7. 1.5 19 km NW of Three Rivers, Texas
  8. 1.9 20 km NW of Three Rivers, Texas
  9. 2.1 19 km WSW of Falls City, Texas
  10. 1.6 19 km WSW of Charlotte, Texas
  11. 1.5 8 km N of Three Rivers, Texas
  12. 1.5 21 km WNW of Three Rivers, Texas
  13. 1.6 5 km NNE of Three Rivers, Texas
  14. 1.5 6 km N of Three Rivers, Texas

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

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