Every recorded earthquake within 30 km

Earthquakes near Antón Ruiz, PR

No earthquake was likely felt in Antón Ruiz in the 24 hours to 8:27 am AST (12:27 UTC). The last one was M 4.1, 56 km (35 mi) ESE, at 5:44 am AST on 28 October 2026, estimated intensity II (weak) in town; 5 felt reports to USGS.

M 3.1

Latest: 3:56 pm AST on 19 September 2026 · 29 km (18 mi) S of Antón Ruiz, PR

The most recent earthquake of M2.5 or more near Antón Ruiz was M 3.1, 29 km (18 mi) S of Antón Ruiz, PR, at 3:56 pm AST on 19 September 2026, 15 km deep. The estimated shaking in Antón Ruiz was intensity II (weak), felt by some people at rest indoors. 1 smaller earthquake has been recorded near Antón Ruiz since; the newest is first in the list below.

No earthquake of M1.5 or more was recorded within 30 km (19 mi) of Antón Ruiz in the last 24 hours.

Last 24 hours: 0
Last 7 days: 1
Last 30 days: 1 · an average 30 days here since 2016: 2.4
Last 12 months: 23 · largest M 3.2 on 4 September 2026
Since 2016: 321 earthquakes of M1.5 or more within 30 km
Largest since 2016: M 4.1 on 1 May 2019, 21 km (13 mi) S of Antón Ruiz, PR
Reported felt: 45 of them have felt reports to USGS

USGS · feed checked 18 seconds ago · newest earthquake in our database 15 minutes ago · this page 12:27 UTC · counts are earthquakes of M1.5 or more within 30 km (19 mi) of the town centre; shaking is estimated for the town centre with the intensity equation USGS Did You Feel It? uses

If you felt one

Was that an earthquake? — checks what was recorded near you in the last hour
Report what you felt to USGS — reports go to USGS, not to us, and they are what produces the intensity maps
Expect aftershocks, and be ready to Drop, Cover, and Hold On if you feel one; if you are in a damaged building, go outside and move away from it (Ready.gov, FEMA; what to do during and after an earthquake)
Near the coast, go inland or to higher ground as soon as strong shaking stops (Ready.gov); official warnings are on Tsunami.gov
Earthquakes in Puerto Rico — with the state's activity score

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

The last 30 days

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 (M2.1–M2.8), from this place's own 10-year record. A mark above the band is a bigger day than usual.

The latest 50

2.2 23 km (14 mi) S of Antón Ruiz, PR Nov 4, 2026
2:59 pm AST
3.1 29 km (18 mi) S of Antón Ruiz, PR Sep 19, 2026
3:56 pm AST
3.2 30 km (19 mi) NE of Antón Ruiz, PR Sep 4, 2026
4:31 am AST
3.1 19 km (12 mi) N of Antón Ruiz, PR Aug 31, 2026
2:53 am AST
2.1 16 km (10 mi) SSE of Antón Ruiz, PR Aug 20, 2026
8:43 pm AST
3.2 17 km (10 mi) SE of Antón Ruiz, PR · felt by 2 Aug 8, 2026
5:45 am AST
2.1 10 km (6 mi) SSE of Antón Ruiz, PR Aug 7, 2026
11:59 pm AST
2.4 30 km (19 mi) ESE of Antón Ruiz, PR Jun 30, 2026
9:57 pm AST
2.4 29 km (18 mi) WSW of Antón Ruiz, PR Jun 26, 2026
3:40 am AST
2.1 25 km (16 mi) WSW of Antón Ruiz, PR Jun 11, 2026
11:51 am AST
2.6 29 km (18 mi) SE of Antón Ruiz, PR May 23, 2026
3:30 am AST
2.1 28 km (17 mi) S of Antón Ruiz, PR May 9, 2026
2:32 am AST
2.0 17 km (11 mi) SE of Antón Ruiz, PR Mar 22, 2026
12:24 pm AST
2.3 22 km (14 mi) NW of Antón Ruiz, PR Mar 6, 2026
12:38 am AST
1.8 27 km (17 mi) WSW of Antón Ruiz, PR Feb 28, 2026
6:09 am AST
3.0 27 km (17 mi) SE of Antón Ruiz, PR Feb 6, 2026
4:32 am AST
3.1 16 km (10 mi) ESE of Antón Ruiz, PR Feb 1, 2026
5:15 am AST
2.6 19 km (12 mi) NW of Antón Ruiz, PR Jan 31, 2026
5:48 pm AST
1.9 18 km (11 mi) WSW of Antón Ruiz, PR Jan 28, 2026
1:39 am AST
1.9 28 km (18 mi) WSW of Antón Ruiz, PR Jan 3, 2026
9:15 am AST
2.7 16 km (10 mi) WSW of Antón Ruiz, PR Dec 31, 2025
11:42 am AST
2.1 15 km (9 mi) SSE of Antón Ruiz, PR Dec 7, 2025
10:24 pm AST
2.3 7 km (4 mi) SSW of Antón Ruiz, PR Nov 22, 2025
2:53 am AST
2.1 26 km (16 mi) SE of Antón Ruiz, PR Sep 14, 2025
7:32 am AST
3.3 28 km (17 mi) SE of Antón Ruiz, PR Sep 13, 2025
11:10 pm AST
2.7 16 km (10 mi) W of Antón Ruiz, PR · felt by 1 Aug 30, 2025
11:15 pm AST
1.8 21 km (13 mi) SW of Antón Ruiz, PR Aug 8, 2025
7:47 am AST
2.0 23 km (15 mi) WSW of Antón Ruiz, PR Jul 29, 2025
1:05 am AST
2.9 28 km (17 mi) SSE of Antón Ruiz, PR Jul 16, 2025
2:05 am AST
2.8 26 km (16 mi) SSE of Antón Ruiz, PR Jul 16, 2025
2:03 am AST
2.7 29 km (18 mi) SSE of Antón Ruiz, PR Jul 15, 2025
10:10 pm AST
3.6 25 km (16 mi) NW of Antón Ruiz, PR Jun 5, 2025
3:26 am AST
1.7 26 km (16 mi) WSW of Antón Ruiz, PR May 21, 2025
6:13 am AST
2.5 10 km (6 mi) SSE of Antón Ruiz, PR May 8, 2025
1:39 am AST
2.1 10 km (6 mi) SSE of Antón Ruiz, PR May 4, 2025
1:35 pm AST
2.4 10 km (6 mi) WSW of Antón Ruiz, PR Apr 16, 2025
6:59 am AST
3.1 23 km (14 mi) N of Antón Ruiz, PR · felt by 1 Apr 5, 2025
11:58 pm AST
3.4 9 km (6 mi) NW of Antón Ruiz, PR Apr 3, 2025
5:00 pm AST
2.2 29 km (18 mi) WSW of Antón Ruiz, PR Mar 23, 2025
3:11 am AST
2.4 9 km (6 mi) WSW of Antón Ruiz, PR Mar 19, 2025
2:08 am AST
2.2 9 km (6 mi) WSW of Antón Ruiz, PR Mar 15, 2025
4:46 am AST
2.1 9 km (6 mi) WSW of Antón Ruiz, PR Mar 15, 2025
4:41 am AST
2.6 8 km (5 mi) WSW of Antón Ruiz, PR Mar 14, 2025
10:14 pm AST
2.1 10 km (6 mi) W of Antón Ruiz, PR Mar 13, 2025
12:51 pm AST
2.5 27 km (17 mi) S of Antón Ruiz, PR Mar 13, 2025
7:41 am AST
2.4 10 km (6 mi) WSW of Antón Ruiz, PR Mar 13, 2025
5:20 am AST
2.5 26 km (16 mi) SE of Antón Ruiz, PR Feb 28, 2025
11:05 pm AST
3.5 28 km (18 mi) WSW of Antón Ruiz, PR · felt by 14 Dec 28, 2024
12:03 am AST
2.1 4 km (3 mi) SW of Antón Ruiz, PR Dec 23, 2024
8:30 pm AST
3.4 29 km (18 mi) WSW of Antón Ruiz, PR · felt by 1 Dec 23, 2024
1:46 am AST

From the QuakeIndex database, which reads the USGS feed every 30 seconds and holds the USGS catalogue for the US from 2016 (M1.5+). Times are Antón Ruiz time. Distances are from the town centre. Quakes USGS named after Antón Ruiz are listed even when they are further out.

Show these earthquakes on your own site: a free card with the latest quakes near Antón Ruiz, for a local news site, school or neighborhood page.

On the map

Map loads when it scrolls into view

The white circle is Antón Ruiz; dots are the 50 most recent earthquakes within 30 km. Map © OpenStreetMap contributors.

Estimated shaking in Antón Ruiz

The strongest shaking in Antón Ruiz from a quake since 2016 is estimated at intensity III (weak), from the M 3.6 on 25 September 2022, 9 km away. Intensity II and III are felt by some people at rest indoors; IV by most people indoors; V and above wakes sleepers and moves objects.

Magnitude	When	Distance	Shaking in Antón Ruiz (est.)
M 3.6	Sep 25, 2022	9 km	III · Weak
M 3.6	Mar 16, 2024	7 km	III · Weak · felt by 57
M 4.1	May 1, 2019	21 km	III · Weak · felt by 350
M 3.7	Aug 21, 2022	12 km	III · Weak · felt by 3
M 3.2	Aug 8, 2026	17 km	III · Weak · felt by 2

An estimate for the town centre from magnitude, depth and distance, with the intensity equation USGS Did You Feel It? uses (Atkinson & Wald, 2007), on the Modified Mercalli scale. All 5 reach intensity II or more in town, where people at rest start to notice. Ground conditions change it street by street. It describes the past, not a hazard.

Before 2016

The USGS record since 1900 lists one earthquake of M5 or more within 50 km of Antón Ruiz:

5.1 3 km W of Aguas Buenas, Puerto Rico · 35 km WNW of Antón Ruiz 2010

USGS ComCat, M5+ from 1900 to 2015. This is the record, not a forecast.

Nearby towns

Humacao 4 km · Aguas Claras 18 km

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.

Ready.gov: earthquakes (FEMA) — what to do before, during and after, including Drop, Cover, and Hold On
Build a kit (FEMA) — water, food and supplies for several days; our summary
USGS: preparedness — the hazard behind the advice, from the agency that records every quake on this page
The Great ShakeOut — the yearly earthquake drill, with material for homes, schools and workplaces
Tsunami.gov (NOAA) — the official tsunami warnings for the coast; a quake page here never stands in for one