Puerto Rico earthquakes

Between Oct 28, 2025 and Oct 28, 2026, the USGS recorded 796 earthquakes of magnitude 2.5 or greater in or near Puerto Rico. The largest was M 4.8, 5 km SW of Guánica, Puerto Rico, on Sep 18, 2026. 9 happened in the past 7 days.

This is not an early-warning system. For tsunami warnings see tsunami.gov; for emergencies follow local authorities.

Past 7 days

Updated Oct 28, 2026, 7:24 AM EDT (USGS snapshot)

Puerto Rico: M 2.5+ earthquakes, past 7 days
Magnitude	Location	Time	Depth
M 4.1	21 km SE of Esperanza, Puerto Rico	Oct 28, 2026, 5:44 AM EDT 2 hr ago	25.0 km
M 3.4	31 km N of Isabela, Puerto Rico	Oct 27, 2026, 9:00 PM EDT 10 hr ago	9.5 km
M 3.0	49 km N of Suárez, Puerto Rico	Oct 26, 2026, 11:16 PM EDT 32 hr ago	36.2 km
M 3.3	39 km WSW of Stella, Puerto Rico	Oct 26, 2026, 9:56 PM EDT 33 hr ago	134.5 km
M 3.0	66 km N of San Juan, Puerto Rico	Oct 25, 2026, 11:41 PM EDT 2 days ago	30.8 km
M 3.2	65 km N of Culebra, Puerto Rico	Oct 25, 2026, 12:41 AM EDT 3 days ago	33.8 km
M 3.2	57 km NW of San Antonio, Puerto Rico	Oct 24, 2026, 5:07 PM EDT 4 days ago	36.6 km
M 3.3	24 km ESE of Isabel Segunda, Puerto Rico	Oct 24, 2026, 2:49 AM EDT 4 days ago	152.3 km
M 2.6	2 km WNW of Fuig, Puerto Rico	Oct 23, 2026, 11:34 PM EDT 4 days ago	9.2 km

By size, past year

M 2.5–2.9

333

M 3–3.9

452

M 4–4.9

M 5–5.9

M 6+

Latest 50 earthquakes (M 2.5+)

Puerto Rico: latest M 2.5+ earthquakes in the past year
Magnitude	Location	Time	Depth
M 4.1	21 km SE of Esperanza, Puerto Rico	Oct 28, 2026, 5:44 AM EDT 2 hr ago	25.0 km
M 3.4	31 km N of Isabela, Puerto Rico	Oct 27, 2026, 9:00 PM EDT 10 hr ago	9.5 km
M 3.0	49 km N of Suárez, Puerto Rico	Oct 26, 2026, 11:16 PM EDT 32 hr ago	36.2 km
M 3.3	39 km WSW of Stella, Puerto Rico	Oct 26, 2026, 9:56 PM EDT 33 hr ago	134.5 km
M 3.0	66 km N of San Juan, Puerto Rico	Oct 25, 2026, 11:41 PM EDT 2 days ago	30.8 km
M 3.2	65 km N of Culebra, Puerto Rico	Oct 25, 2026, 12:41 AM EDT 3 days ago	33.8 km
M 3.2	57 km NW of San Antonio, Puerto Rico	Oct 24, 2026, 5:07 PM EDT 4 days ago	36.6 km
M 3.3	24 km ESE of Isabel Segunda, Puerto Rico	Oct 24, 2026, 2:49 AM EDT 4 days ago	152.3 km
M 2.6	2 km WNW of Fuig, Puerto Rico	Oct 23, 2026, 11:34 PM EDT 4 days ago	9.2 km
M 3.3	53 km N of Brenas, Puerto Rico	Oct 21, 2026, 1:01 AM EDT 7 days ago	26.3 km
M 2.8	1 km W of Fuig, Puerto Rico	Oct 20, 2026, 11:47 PM EDT 7 days ago	7.6 km
M 3.7	93 km N of Brenas, Puerto Rico	Oct 20, 2026, 8:55 PM EDT 7 days ago	69.0 km
M 2.6	24 km SSE of Maria Antonia, Puerto Rico	Oct 20, 2026, 7:54 PM EDT 8 days ago	14.2 km
M 2.9	25 km WNW of Puerto Real, Puerto Rico	Oct 19, 2026, 12:57 AM EDT 9 days ago	5.9 km
M 2.7	7 km SSE of Ponce, Puerto Rico	Oct 17, 2026, 12:38 PM EDT 11 days ago	12.7 km
M 2.7	1 km SSE of Maria Antonia, Puerto Rico	Oct 15, 2026, 2:53 AM EDT 13 days ago	15.7 km
M 3.0	26 km SE of Emajagua, Puerto Rico	Oct 15, 2026, 12:33 AM EDT 13 days ago	5.5 km
M 3.1	22 km NNE of Brenas, Puerto Rico	Oct 14, 2026, 7:24 PM EDT 14 days ago	73.8 km
M 3.1	57 km NW of San Antonio, Puerto Rico	Oct 14, 2026, 4:10 PM EDT 14 days ago	15.5 km
M 3.1	48 km N of Hatillo, Puerto Rico	Oct 14, 2026, 2:02 PM EDT 14 days ago	35.6 km
M 2.8	11 km W of Mayagüez, Puerto Rico	Oct 14, 2026, 4:10 AM EDT 14 days ago	19.2 km
M 2.8	7 km NNE of Isabela, Puerto Rico	Oct 13, 2026, 7:29 PM EDT 15 days ago	21.7 km
M 2.7	6 km NE of Isabela, Puerto Rico	Oct 13, 2026, 6:41 AM EDT 15 days ago	16.8 km
M 2.9	10 km N of Animas, Puerto Rico	Oct 13, 2026, 2:05 AM EDT 15 days ago	13.5 km
M 2.6	3 km W of Mayagüez, Puerto Rico	Oct 12, 2026, 12:18 AM EDT 16 days ago	62.6 km
M 3.1	70 km NW of San Antonio, Puerto Rico	Oct 11, 2026, 2:12 PM EDT 17 days ago	21.9 km
M 2.9	37 km NW of San Antonio, Puerto Rico	Oct 11, 2026, 4:08 AM EDT 17 days ago	25.7 km
M 3.0	63 km NW of San Antonio, Puerto Rico	Oct 10, 2026, 4:52 AM EDT 18 days ago	18.8 km
M 2.8	2 km S of Las Marías, Puerto Rico	Oct 9, 2026, 11:01 PM EDT 18 days ago	18.1 km
M 3.1	68 km N of Tierras Nuevas Poniente, Puerto Rico	Oct 8, 2026, 3:26 AM EDT 20 days ago	34.6 km
M 3.4	81 km NNE of Luquillo, Puerto Rico	Oct 7, 2026, 10:08 AM EDT 21 days ago	39.7 km
M 2.7	3 km SSW of La Playa, Puerto Rico	Oct 6, 2026, 8:24 PM EDT 21 days ago	88.2 km
M 3.1	7 km NNW of Trujillo Alto, Puerto Rico	Oct 6, 2026, 11:42 AM EDT 22 days ago	113.0 km
M 2.9	42 km NW of San Antonio, Puerto Rico	Oct 5, 2026, 4:00 AM EDT 23 days ago	13.5 km
M 3.0	34 km NNE of San Juan, Puerto Rico	Oct 4, 2026, 11:07 PM EDT 23 days ago	42.8 km
M 2.5	5 km WSW of Guánica, Puerto Rico	Oct 3, 2026, 11:14 PM EDT 24 days ago	7.6 km
M 2.9	19 km NW of Rincón, Puerto Rico	Oct 3, 2026, 9:33 AM EDT 25 days ago	7.4 km
M 3.9	19 km NW of Rincón, Puerto Rico	Oct 3, 2026, 6:35 AM EDT 25 days ago	6.0 km
M 3.4	2 km NW of Corozal, Puerto Rico	Oct 3, 2026, 1:38 AM EDT 25 days ago	110.8 km
M 2.8	16 km NNE of Arecibo, Puerto Rico	Oct 1, 2026, 4:45 AM EDT 27 days ago	14.4 km
M 2.6	5 km SW of Guánica, Puerto Rico	Sep 30, 2026, 5:03 PM EDT 28 days ago	7.8 km
M 3.1	4 km NNE of Animas, Puerto Rico	Sep 30, 2026, 5:00 PM EDT 28 days ago	105.4 km
M 3.6	127 km NNE of Vieques, Puerto Rico	Sep 30, 2026, 6:56 AM EDT 28 days ago	77.0 km
M 2.6	4 km NNE of Aguas Buenas, Puerto Rico	Sep 29, 2026, 12:14 AM EDT 29 days ago	65.7 km
M 2.9	41 km NNE of Luquillo, Puerto Rico	Sep 28, 2026, 6:13 AM EDT 30 days ago	24.1 km
M 2.6	3 km SE of Galateo, Puerto Rico	Sep 27, 2026, 11:55 PM EDT 30 days ago	66.5 km
M 3.2	40 km SE of Esperanza, Puerto Rico	Sep 26, 2026, 11:03 AM EDT 32 days ago	11.8 km
M 2.8	8 km NNE of Tierras Nuevas Poniente, Puerto Rico	Sep 26, 2026, 1:35 AM EDT 32 days ago	88.9 km
M 2.5	6 km SSE of Salinas, Puerto Rico	Sep 25, 2026, 9:17 AM EDT 33 days ago	7.8 km
M 2.9	8 km WNW of Culebra, Puerto Rico	Sep 25, 2026, 1:15 AM EDT 33 days ago	18.2 km

Largest of the past year

Puerto Rico: 10 largest earthquakes, past 365 days
Magnitude	Location	Time	Depth
M 4.8	5 km SW of Guánica, Puerto Rico PAGER green	Sep 18, 2026, 9:19 AM EDT 40 days ago	7.0 km
M 4.8	54 km NNW of San Antonio, Puerto Rico	Jul 23, 2026, 10:42 PM EDT 96 days ago	9.0 km
M 4.7	106 km WSW of Pole Ojea, Puerto Rico	Feb 10, 2026, 3:49 PM EST 260 days ago	24.0 km
M 4.2	88 km N of Culebra, Puerto Rico	May 18, 2026, 7:40 AM EDT 163 days ago	26.0 km
M 4.2	2 km SW of Río Lajas, Puerto Rico PAGER green	Apr 12, 2026, 10:06 PM EDT 198 days ago	115.0 km
M 4.1	21 km SE of Esperanza, Puerto Rico	Oct 28, 2026, 5:44 AM EDT 2 hr ago	25.0 km
M 4.0	50 km NNW of San Antonio, Puerto Rico	Aug 30, 2026, 1:47 AM EDT 59 days ago	53.0 km
M 4.0	65 km N of Hatillo, Puerto Rico	Jul 5, 2026, 6:35 AM EDT 115 days ago	39.0 km
M 4.0	85 km N of Culebra, Puerto Rico	Jun 14, 2026, 1:24 AM EDT 136 days ago	52.0 km
M 4.0	94 km N of Culebra, Puerto Rico	Jun 11, 2026, 7:39 PM EDT 139 days ago	8.0 km

Month by month

M 2.5+ earthquakes per month (UTC)
Month	Quakes
October 2026	40
September 2026	81
August 2026	70
July 2026	81
June 2026	65
May 2026	76
April 2026	79
March 2026	55
February 2026	45
January 2026	85
December 2025	73
November 2025	40
October 2025	6

Source: USGS ComCat via the FDSN event web service, snapshot Oct 28, 2026. Matched by the USGS place name.

River gauges in Puerto Rico

Rio Grande de Loiza below Loiza Damsite, PR · 2.61 ft · 1.31 cfs
Rio de La Plata at Hwy 2 near Toa Alta, PR · 3.39 ft · 30.7 cfs

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