Earthquake near Indios, PR

Yes: an earthquake was likely felt in Indios in the last 24 hours. M 2.1, 3 km (2 mi) W of Indios, at 4:14 pm AST on 11 November 2026 (20:14 UTC); the estimated shaking in Indios was intensity II (weak). Every earthquake near Indios

This page: a magnitude 3.8 earthquake was recorded 6 km (4 mi) south-southeast of Indios, PR, at 3:08 pm AST on 4 January 2021 (19:08 UTC), 10 km deep. 16 people have reported feeling it to USGS.

USGS: 5 km SSE of Indios, Puerto Rico

20 km (13 mi) WSW of Ponce, PR

3:08 pm AST, Jan 4, 2021 · 2021-01-04 19:08 UTC · 10 km deep · released about 6.4 tons of TNT

Every earthquake near Indios Felt it? Tell USGS Check my area

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: 3:08 pm AST on 4 January 2021 (2021-01-04 19:08 UTC)
Where: 6 km (4 mi) south-southeast of Indios, PR · earthquakes near Indios
Magnitude: M 3.8 (md)
Depth: 10 km below the surface
Felt: 16 reports · strongest reported intensity V
Measured shaking: intensity III (ShakeMap)
Nearest: Guayanilla Municipio, 7 km N
Status: Reviewed by a seismologist

USGS · last changed by USGS 2070 days ago · we first saw it 2070 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.

At this magnitude and depth, people at rest would likely notice it out to about 79 km (49 mi) from the epicentre. In Indios, 6 km away, the estimate is intensity III (weak). 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.

Likely felt in: Guayanilla 9 km, intensity III · Magas Arriba 9 km, intensity III · Yauco 11 km, intensity III · Tallaboa 11 km, intensity III · Tallaboa Alta 17 km, intensity III · Ponce 21 km, intensity III · Adjuntas 26 km, intensity III · San Germán 29 km, intensity III. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 6.4 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.8 would have released about 32 times as much.

Northridge, California 1994 M 6.7 27,000× the energy of this one
Mineral, Virginia 2011 M 5.8 1,200× the energy of this one
Magna, Utah 2020 M 5.7 840× the energy of this one
This earthquake M 3.8 about 6.4 tons of TNT
Around the size people start to feel M 3.0 this one released 13× 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 since 2016 was M 6.4 on 2020-01-07 — about 9,400 times the energy of this one.

Before 2016, the USGS record since 1900 lists no earthquake of M5 or more within 50 km.

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

Map loads when it scrolls into view

Nearby places

Place	Distance	Direction from the epicentre
Guayanilla Municipio, PR	7 km (4 mi)	N	earthquakes near Guayanilla Municipio
Guánica Municipio, PR	12 km (8 mi)	W	earthquakes near Guánica Municipio
Peñuelas Municipio, PR	13 km (8 mi)	NE	earthquakes near Peñuelas Municipio
Yauco Municipio, PR	17 km (10 mi)	NNW	earthquakes near Yauco Municipio
Sabana Grande Municipio, PR	22 km (13 mi)	NW	earthquakes near Sabana Grande Municipio
Ponce Municipio, PR	22 km (14 mi)	ENE	earthquakes near Ponce Municipio

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

Aftershocks so far

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

1.5 10 km SSE of Maria Antonia, Puerto Rico 05:05 UTC
1.8 2 km WNW of Indios, Puerto Rico 04:58 UTC
1.8 1 km NW of Palomas, Puerto Rico 04:57 UTC
1.7 4 km ENE of La Parguera, Puerto Rico 04:55 UTC
1.7 3 km S of Guánica, Puerto Rico 04:31 UTC
2.0 3 km SSE of Indios, Puerto Rico 04:29 UTC
1.7 6 km SE of Maria Antonia, Puerto Rico 04:28 UTC
1.5 1 km SSW of Lluveras, Puerto Rico 04:26 UTC
1.8 1 km ESE of Yauco, Puerto Rico 04:23 UTC
2.2 2 km SW of Fuig, Puerto Rico 04:10 UTC
1.7 6 km SE of Maria Antonia, Puerto Rico 04:06 UTC
2.0 5 km SSW of Indios, Puerto Rico 03:59 UTC
2.1 5 km S of Magas Arriba, Puerto Rico 03:56 UTC
1.5 8 km WSW of La Parguera, Puerto Rico 03:50 UTC
1.6 1 km WSW of La Parguera, Puerto Rico 03:41 UTC

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of 19:54 UTC. QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.

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.