QuakeIndex

Earthquake · reviewed by a seismologist

M 4.0md

Dominican Republic region

Yes. A magnitude 4.0 earthquake was recorded in the Dominican Republic region at 05:00 UTC on 2022-11-26, 100 km deep.

· 100 km deep · released about 17 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 4.0 (md)
Depth
100 km below the surface
Felt
no reports yet
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1447 days ago

This was a light earthquake. It is usually felt clearly nearby and can rattle windows and dishes, but damage is uncommon.

At this magnitude and depth, people at rest would likely notice it out to about 4 km (2 mi) from the epicentre. Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.

How big was it?

This earthquake released about 17 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 5.0 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 9,800× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 440× the energy of this one
  3. Magna, Utah 2020 M 5.7 310× the energy of this one
  4. This earthquake M 4.0 about 17 tons of TNT
  5. Around the size people start to feel M 3.0 this one released 36× 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.

For this area

The largest earthquake within 50 km in our catalogue was M 4.8 on 2016-11-13 — about 14 times the energy of this one.

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

Epicentre 19.4346, -68.9561. Map © OpenStreetMap contributors.

Aftershocks so far

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

  1. 3.8 51 km NE of Miches, Dominican Republic
  2. 3.9 78 km NE of Samaná, Dominican Republic
  3. 3.5 45 km NNE of Miches, Dominican Republic
  4. 4.0 8 km ENE of Miches, Dominican Republic
  5. 4.2 85 km NNE of Miches, Dominican Republic
  6. 3.9 39 km NE of Miches, Dominican Republic
  7. 3.8 57 km NNE of Miches, Dominican Republic
  8. 3.7 36 km NNE of Miches, Dominican Republic
  9. 2.9 16 km NNE of Miches, Dominican Republic
  10. 3.1 48 km NE of Miches, Dominican Republic
  11. 3.8 41 km ENE of Samaná, Dominican Republic
  12. 3.7 74 km NE of Samaná, Dominican Republic
  13. 4.0 46 km NE of Miches, Dominican Republic
  14. 4.0 58 km NE of Miches, Dominican Republic
  15. 4.1 67 km NNE of Miches, 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.