QuakeIndex

Earthquake · reviewed by a seismologist

M 1.7md

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 1.7 earthquake was recorded 4 km (2 mi) south-southwest of Indios, PR, at 4:08 pm AST on 11 August 2022 (20:08 UTC), 19 km deep.

USGS: 3 km SSW of Indios, Puerto Rico

22 km (14 mi) WSW of Ponce, PR

4:08 pm AST, Aug 11, 2022 · · 19 km deep · released about 10 lb of TNT

10 km30 km60 km120 km N Guayanilla Municipio 6 kmGuánica Municipio 10 kmPeñuelas Municipio 13 kmYauco Municipio 14 kmSabana Grande Municipio 19 kmLajas Municipio 22 kmPonce Municipio 24 kmAdjuntas Municipio 26 kmMaricao Municipio 26 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
4:08 pm AST on 11 August 2022 ()
Where
4 km (2 mi) south-southwest of Indios, PR · earthquakes near Indios
Magnitude
M 1.7 (md)
Depth
19 km below the surface
Felt
no reports yet
Nearest
Guayanilla Municipio, 6 km NNE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1553 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

At this magnitude and depth it was probably too small to be felt, even directly above it. In Indios, 4 km away, the estimate is intensity II (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.

Earthquakes near other towns within 30 km: Maria Antonia, Palomas, Guayanilla, Guánica, Yauco, Magas Arriba.

How big was it?

This earthquake released about 10 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.7 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 1,500,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 1,100,000× the energy of this one
  3. Around the size people start to feel M 3.0 95× the energy of this one
  4. This earthquake M 1.7 about 10 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.

For this area

The largest earthquake within 50 km since 2016 was M 6.4 on 2020-01-07 — about 12,000,000 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

Epicentre 17.9600, -66.8287. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Guayanilla Municipio, PR 6 km (4 mi) NNE earthquakes near Guayanilla Municipio
Guánica Municipio, PR 10 km (6 mi) W earthquakes near Guánica Municipio
Peñuelas Municipio, PR 13 km (8 mi) NE earthquakes near Peñuelas Municipio
Yauco Municipio, PR 14 km (9 mi) NNW earthquakes near Yauco Municipio
Sabana Grande Municipio, PR 19 km (12 mi) NW earthquakes near Sabana Grande Municipio
Lajas Municipio, PR 22 km (14 mi) W earthquakes near Lajas Municipio

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

Aftershocks so far

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

  1. 2.3 3 km SSW of Guánica, Puerto Rico
  2. 2.4 9 km SSW of Guánica, Puerto Rico
  3. 2.7 3 km SSE of Guánica, Puerto Rico
  4. 2.2 11 km S of Guánica, Puerto Rico
  5. 2.0 2 km SW of Indios, Puerto Rico
  6. 2.0 3 km SW of Indios, Puerto Rico
  7. 2.2 2 km WSW of Indios, Puerto Rico
  8. 2.4 5 km SSW of Indios, Puerto Rico
  9. 2.2 3 km SSW of Guánica, Puerto Rico
  10. 2.5 2 km WSW of Indios, Puerto Rico
  11. 3.0 2 km SSE of Guánica, Puerto Rico
  12. 1.6 9 km S of Potala Pastillo, Puerto Rico
  13. 2.5 1 km E of Maria Antonia, Puerto Rico
  14. 2.1 5 km E of La Parguera, Puerto Rico
  15. 2.1 3 km SW of Indios, Puerto Rico

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.