QuakeIndex

Earthquakes in San Juan Municipio, Puerto Rico

← Earthquakes in Puerto Rico

The most recent earthquake of M2.5 or more near San Juan Municipio was M 2.8, 3 km WNW of Orocovis, Puerto Rico, 43 km (26 mi) WSW of the centre of San Juan Municipio, at 9:37 am AST on 5 November 2026, 35 km deep. The estimated shaking at the centre of San Juan Municipio was intensity II (weak), felt by some people at rest indoors. 1 smaller earthquake has been recorded near San Juan Municipio since.

No earthquake of M1.5 or more was recorded within 50 km (31 mi) of the centre of San Juan Municipio in the last 24 hours.

Last 24 hours
0
Last 7 days
1
Last 30 days
6 · an average 30 days here since 2016: 9.2
Last 12 months
107 · largest M 4.2 on 12 April 2026
Since 2016
1,212 earthquakes of M1.5 or more
Largest since 2016
M 4.2 on 12 April 2026, 2 km SW of Río Lajas, Puerto Rico

Latest quake, 24 hours and 7 days: the QuakeIndex database, which reads USGS every 30 seconds, read at ; 30 days and 12 months: the QuakeIndex catalogue, counted to · earthquakes of M1.5 or more within 50 km (31 mi) of the centre of San Juan Municipio · shaking is estimated for the centre with the intensity equation USGS Did You Feel It? uses

21

Quiet QuakeIndex 21 / 100

1 quake of M1.5 or larger in the last 7 days within 50 km. Normal for here is 1 to 3 in a week.

Compared against San Juan Municipio, Puerto Rico's own 10 years · USGS catalogue · updated

If you felt one

QuakeIndex does not issue warnings or forecasts. For earthquake early warning see ShakeAlert and the MyShake app.

The last 30 days

Oct 14 Oct 29 Nov 12
Each mark is a day's largest quake within range; its size is the magnitude. The shaded band is the magnitude a day's largest quake normally falls in here (M2.3–M3.0), from this place's own 10-year record. A mark above the band is a bigger day than usual.

Show these earthquakes on your own site: a free card with this strip and the latest quakes near San Juan Municipio, Puerto Rico, for a local news site, school or neighborhood page.

Live · last 7 days

Latest earthquakes within 50 km

None within 50 km in the latest snapshot we hold; the full 7 days load from USGS as this page opens.

Source USGS · snapshot of

The last 7 days on the map

The map loads when it scrolls into view.
Every earthquake within 50 km of San Juan Municipio, Puerto Rico in the last 7 days, from the USGS feed. Colour and size are magnitude; tap one for its page.

Open the full map — zoom anywhere, or find your own location →

The centre is 18.422, -66.069, the Census internal point of San Juan Municipio, Puerto Rico from the US Census Bureau Gazetteer (2024). Activity on this page is measured within 50 km of it — the dashed circle.

Largest on record nearby

The strongest shaking this record implies at the centre of San Juan Municipio, Puerto Rico is intensity II (weak), from the M 3.7 of 2022, 48 km away. At that level a few people indoors notice it; most do not.

MagnitudeWhenWhereShaking here (est.)
M 4.2 2 km SW of Río Lajas, Puerto Rico · felt by 81 II · Weak
M 3.9 6 km WNW of Aguas Buenas, Puerto Rico · felt by 15 II · Weak
M 3.8 5 km ENE of San Juan, Puerto Rico II · Weak
M 3.8 Puerto Rico region · felt by 1 II · Weak
M 3.7 4 km E of Punta Santiago, Puerto Rico · felt by 3 II · Weak
M 3.7 2 km ESE of Tierras Nuevas Poniente, Puerto Rico · felt by 1 II · Weak
M 3.7 0 km ESE of Campanilla, Puerto Rico II · Weak
M 3.7 4 km SW of Ramos, Puerto Rico II · Weak

From the QuakeIndex catalogue, built from the USGS FDSN event service · within 50 km of the centre above. Shaking is an estimate for the centre from magnitude, depth and distance, with the intensity equation USGS Did You Feel It? uses (Atkinson & Wald, 2007), on the Modified Mercalli scale. Ground conditions change it locally; it is a description of the past, not a hazard rating.

Before 2016

The USGS record from 1900 to 2015 lists 2 earthquakes of M5 or more within 50 km of the centre of San Juan Municipio, Puerto Rico:

  1. 5.1 3 km W of Aguas Buenas, Puerto Rico · 19 km SSW of the centre
  2. 5.0 3 km N of Brenas, Puerto Rico · 30 km WNW of the centre

USGS ComCat, M5+ from 1900 to 2015. Epicentres of early earthquakes are estimates. This is the record, not a forecast.

Town pages near San Juan Municipio, Puerto Rico

San Juan 6 km · 223 M2.5+ named after it · Cataño 6 km · 12 M2.5+ named after it · Guaynabo 8 km · 17 M2.5+ named after it · Trujillo Alto 10 km · 13 M2.5+ named after it · Bayamón 10 km · 24 M2.5+ named after it · Levittown 12 km · 14 M2.5+ named after it · Carolina 13 km · 13 M2.5+ named after it · Loíza 20 km · 21 M2.5+ named after it · Dorado 21 km · 33 M2.5+ named after it · Caguas 21 km · 1 M2.5+ named after it · Sumidero 24 km · 5 M2.5+ named after it · San Antonio 25 km · 6 M2.5+ named after it

Each town page lists every M1.5+ earthquake within 30 km since 2016 and the ones USGS named after it. Town names: GeoNames (CC BY 4.0).

Be ready

Earthquakes cannot be predicted, here or anywhere, so the useful step is the one taken beforehand. The advice below is from the agencies responsible for it.