4 km NNE of La Romana, Dominican Republic

2020-10-05 07:15 UTC · 101 km deep · released about 26 tons of TNT

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: 2020-10-05 07:15 UTC
Magnitude: M 4.2 (md)
Depth: 101 km below the surface
Felt: no reports yet
Nearest: Mayagüez Municipio, 121 km ESE
Status: Reviewed by a seismologist

USGS · last changed by USGS 2115 days ago · we first saw it 2115 days ago

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

How big was it?

This earthquake released about 26 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 5.2 would have released about 32 times as much.

Northridge, California 1994 M 6.7 6,500× the energy of this one
Mineral, Virginia 2011 M 5.8 290× the energy of this one
Magna, Utah 2020 M 5.7 200× the energy of this one
This earthquake M 4.2 about 26 tons of TNT
Around the size people start to feel M 3.0 this one released 55× 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

Map loads when it scrolls into view

Epicentre 18.4695, -68.9628. Map © OpenStreetMap contributors.

Nearby places

Place	Distance	Direction
Mayagüez Municipio, PR	121 km (75 mi)	WNW of here	earthquakes near Mayagüez Municipio

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

Aftershocks so far

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

4.0 13 km ENE of La Romana, Dominican Republic 10:24 UTC
3.9 6 km NNW of San Rafael del Yuma, Dominican Republic 21:26 UTC
3.9 11 km ESE of Guaymate, Dominican Republic 23:27 UTC
3.8 18 km SSE of La Romana, Dominican Republic 14:01 UTC
3.3 1 km WSW of Otra Banda, Dominican Republic 11:38 UTC
3.0 6 km ESE of La Romana, Dominican Republic 03:08 UTC
2.9 21 km ENE of Santa Cruz de El Seibo, Dominican Republic 17:02 UTC
3.7 3 km N of La Romana, Dominican Republic 18:48 UTC
4.2 15 km SSE of Boca de Yuma, Dominican Republic 04:56 UTC
4.0 12 km SSW of Salvaleón de Higüey, Dominican Republic 06:33 UTC
3.8 11 km NNE of Guaymate, Dominican Republic 03:36 UTC
3.6 13 km E of Otra Banda, Dominican Republic 03:01 UTC
3.7 12 km W of Punta Cana, Dominican Republic 02:39 UTC
3.7 10 km SW of Salvaleón de Higüey, Dominican Republic 01:10 UTC
4.0 6 km NE of Guaymate, Dominican Republic 16:42 UTC

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of 15:35 UTC. QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.

For this area

The largest earthquake within 50 km in our catalogue was M 4.7 on 2019-07-28 — it released about 6.5 times the energy of this one.

From the QuakeIndex catalogue, built from the USGS FDSN event service.

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.