QuakeIndex

Earthquakes in Santa Isabel Municipio, Puerto Rico

← Earthquakes in Puerto Rico

The most recent earthquake of M2.5 or more near Santa Isabel Municipio was M 3.0, 8 km SSE of Maria Antonia, Puerto Rico, 49 km (30 mi) W of the centre of Santa Isabel Municipio, at 3:45 am AST on 8 November 2026, 8 km deep. The estimated shaking at the centre of Santa Isabel Municipio was intensity II (weak), felt by some people at rest indoors. 7 smaller earthquakes have been recorded near Santa Isabel Municipio since.

In the last 24 hours, 1 earthquake of M1.5 or more was recorded within 50 km (31 mi) of the centre of Santa Isabel Municipio: M 2.3, 2 km S of Magas Arriba, Puerto Rico, 41 km (26 mi) W of the centre of Santa Isabel Municipio, at 7:05 pm AST.

Last 24 hours
1
Last 7 days
11
Last 30 days
53 · an average 30 days here since 2016: 109
Last 12 months
668 · largest M 4.2 on 12 April 2026
Since 2016
14,437 earthquakes of M1.5 or more
Largest since 2016
M 6.4 on 7 January 2020, 4 km SSE of Indios, 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 Santa Isabel Municipio · shaking is estimated for the centre with the intensity equation USGS Did You Feel It? uses

37

Typical QuakeIndex 37 / 100

10 quakes of M1.5 or larger in the last 7 days within 50 km. Normal for here is 7 to 24 in a week.

Compared against Santa Isabel 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–M2.9), 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 Santa Isabel 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

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Every earthquake within 50 km of Santa Isabel Municipio, Puerto Rico in the last 7 days, from the USGS feed. Colour and size are magnitude; tap one for its page.

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The centre is 17.953, -66.388, the Census internal point of Santa Isabel 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 Santa Isabel Municipio, Puerto Rico is intensity V (moderate), from the M 6.4 of 2020, 45 km away. At that level nearly everyone notices; some objects fall and plaster can crack.

MagnitudeWhenWhereShaking here (est.)
M 6.4 4 km SSE of Indios, Puerto Rico · felt by 1,615 V · Moderate
M 5.9 5 km SE of Maria Antonia, Puerto Rico · felt by 974 IV · Light
M 5.8 14 km S of Indios, Puerto Rico · felt by 661 IV · Light
M 5.6 11 km S of Tallaboa, Puerto Rico · felt by 8 IV · Light
M 5.6 0 km NW of Magas Arriba, Puerto Rico · felt by 149 IV · Light
M 5.4 6 km S of Tallaboa, Puerto Rico · felt by 708 IV · Light
M 5.2 19 km S of Indios, Puerto Rico · felt by 136 IV · Light
M 5.0 14 km S of Tallaboa, Puerto Rico IV · Light

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 one earthquake of M5 or more within 50 km of the centre of Santa Isabel Municipio, Puerto Rico:

  1. 5.1 3 km W of Aguas Buenas, Puerto Rico · 43 km NE 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 Santa Isabel Municipio, Puerto Rico

Santa Isabel 2 km · 18 M2.5+ named after it · Río Cañas Abajo 13 km · 4 M2.5+ named after it · Coamo 14 km · 8 M2.5+ named after it · Ponce 26 km · 382 M2.5+ named after it · Cayey 29 km · 11 M2.5+ named after it · Guayama 29 km · 6 M2.5+ named after it · Tallaboa 35 km · 715 M2.5+ named after it · Tallaboa Alta 35 km · 10 M2.5+ named after it · Jayuya 37 km · 6 M2.5+ named after it · Sumidero 40 km · 5 M2.5+ named after it · Magas Arriba 41 km · 407 M2.5+ named after it · Adjuntas 42 km · 26 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.