QuakeIndex

Earthquake · reviewed by a seismologist

M 2.2md

9 km S of Emajagua, Puerto Rico

· 10 km deep · released about 60 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Maunabo Municipio 10 kmPatillas Municipio 14 kmYabucoa Municipio 16 kmArroyo Municipio 17 kmHumacao Municipio 27 kmGuayama Municipio 27 kmSan Lorenzo Municipio 27 kmLas Piedras Municipio 30 kmJuncos Municipio 34 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
Magnitude
M 2.2 (md)
Depth
10 km below the surface
Felt
no reports yet
Nearest
Maunabo Municipio, 10 km N
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 568 days ago

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

How big was it?

This earthquake released about 60 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.2 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 250,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 180,000× the energy of this one
  3. Around the size people start to feel M 3.0 16× the energy of this one
  4. This earthquake M 2.2 about 60 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.

Where

Epicentre 17.9145, -65.8880. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Maunabo Municipio, PR 10 km (6 mi) S of here earthquakes near Maunabo Municipio
Patillas Municipio, PR 14 km (9 mi) SE of here earthquakes near Patillas Municipio
Yabucoa Municipio, PR 16 km (10 mi) S of here earthquakes near Yabucoa Municipio
Arroyo Municipio, PR 17 km (11 mi) ESE of here earthquakes near Arroyo Municipio
Humacao Municipio, PR 27 km (17 mi) SSW of here earthquakes near Humacao Municipio
Guayama Municipio, PR 27 km (17 mi) ESE of here earthquakes near Guayama Municipio

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

Aftershocks so far

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

  1. 2.8 16 km ESE of El Negro, Puerto Rico
  2. 2.4 22 km SE of El Negro, Puerto Rico
  3. 2.7 18 km SE of El Negro, Puerto Rico
  4. 2.2 4 km SSW of Las Ochenta, Puerto Rico
  5. 3.4 16 km SSW of Central Aguirre, Puerto Rico
  6. 2.1 4 km S of Palmas, Puerto Rico
  7. 3.1 42 km SE of Emajagua, Puerto Rico
  8. 2.6 25 km S of Jobos, Puerto Rico
  9. 2.5 41 km SSE of Arroyo, Puerto Rico
  10. 2.0 2 km SSW of Las Ochenta, Puerto Rico
  11. 2.1 1 km ENE of Jauca, Puerto Rico
  12. 2.3 2 km ENE of Jauca, Puerto Rico
  13. 2.6 1 km WNW of Parcelas Peñuelas, Puerto Rico
  14. 2.4 1 km NNW of Parcelas Peñuelas, Puerto Rico
  15. 1.8 1 km E of Mariano Colón, 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.

For this area

The largest earthquake within 50 km in our catalogue was M 4.6 on 2016-12-05 — it released about 4,000 times the energy of this one.

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

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.