QuakeIndex

Earthquake · reviewed by a seismologist

M 4.5mb

7 km N of San Cristóbal, Dominican Republic

· 69 km deep · released about 85 tons 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
Magnitude
M 4.5 (mb)
Depth
69 km below the surface
Felt
106 reports · strongest reported intensity V
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3719 days ago

This was a light earthquake. It is usually felt clearly nearby and can rattle windows and dishes, but damage is uncommon. 106 people have reported feeling it to USGS.

How big was it?

This earthquake released about 85 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 5.5 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 2,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 89× the energy of this one
  3. Magna, Utah 2020 M 5.7 63× the energy of this one
  4. This earthquake M 4.5 about 85 tons of TNT
  5. Around the size people start to feel M 3.0 this one released 180× more

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 18.4808, -70.0986. Map © OpenStreetMap contributors.

Aftershocks so far

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

  1. 4.2 13 km SSW of Bayaguana, Dominican Republic
  2. 4.4 4 km ESE of San José de Ocoa, Dominican Republic
  3. 3.9 9 km NNW of Boca Chica, Dominican Republic
  4. 4.2 12 km WSW of Juan Adrián, Dominican Republic
  5. 4.2 7 km S of Monte Plata, Dominican Republic
  6. 4.2 8 km E of San José de Ocoa, Dominican Republic
  7. 4.6 10 km WSW of El Cacao, Dominican Republic
  8. 4.0 11 km W of El Cacao, Dominican Republic
  9. 4.4 1 km SW of Piedra Blanca, Dominican Republic
  10. 3.4 8 km SW of Villa Altagracia, Dominican Republic
  11. 4.9 8 km SSE of San José de Ocoa, Dominican Republic
  12. 4.0 6 km SE of San José de Ocoa, Dominican Republic
  13. 4.3 7 km W of Monte Plata, Dominican Republic

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.