Earthquakes by city Puerto Rico 100 km

Seismic city profile

Earthquake in Arecibo today

Arecibo, Puerto Rico: 265 earthquakes of magnitude 4.0+ detected within 100 km.

Population

87,754

Residents in the indexed city record.

Earthquakes

265

Earthquakes at M4.0+ nearby.

Max magnitude

7.7

Strongest recorded event in the current radius.

Timezone

America/Puerto_Rico

Coordinates 18.472, -66.716

Nearby activity pulse

Last 30 days

Last 12 months

Last nearby event: 2026-04-13 02:06 UTC

Strongest nearby event

M 7.7

Arecibo, Puerto Rico

1943-07-29 03:02 UTC

Updated today

Earthquake in Arecibo today

No earthquake of magnitude M4.0+ has been detected today within 100 km of Arecibo.

1 M4.0+ event(s) have been observed in the last 30 days around Arecibo.

The strongest earthquake recorded near Arecibo reached magnitude 7.7 on 1943-07-29 03:02 UTC, near Arecibo.

Status today

No earthquake detected today

Strongest today

Was there an earthquake in Arecibo today?

No earthquake of magnitude M4.0+ has been detected today within 100 km of Arecibo.

When was the last earthquake near Arecibo?

The last nearby earthquake was recorded on 2026-04-13 02:06 UTC.

What is the strongest earthquake recorded near Arecibo?

The strongest earthquake recorded near Arecibo reached magnitude 7.7 on 1943-07-29 03:02 UTC, near Arecibo.

Map

Earthquakes within 100 km of Arecibo

The map centers on Arecibo and highlights the most recent earthquakes detected within 100 km.

Average magnitude

4.5

Average depth

21.9 km

Timeline

Recent seismic activity

Latest 2 events shown

UTC	Magnitude	Region	Depth
2026-04-13 02:06	M 4.2	San Juan Puerto Rico	115.0 km
2025-08-22 16:28	M 4.3	Arecibo Puerto Rico	10.0 km

Monthly profile

Recent monthly trend

2025-08 1 events

2026-04 1 events

Historic snapshot

Earthquakes history

Strongest years

1943 M 7.7 max · 3 earthquakes 1918 M 7.1 max · 7 earthquakes 2020 M 6.4 max · 118 earthquakes 2014 M 6.4 max · 3 earthquakes 1920 M 6.4 max · 1 earthquakes

Year	Max magnitude	Earthquakes
2026	M 4.2	1
2025	M 4.4	2
2024	M 4.4	3
2023	M 4.5	8
2022	M 5.0	8
2021	M 4.5	6
2020	M 6.4	118
2019	M 6.0	16
2018	M 4.4	1
2017	M 4.8	5
2014	M 6.4	3
2013	M 4.1	3
2012	M 4.1	1
2011	M 5.2	5
2010	M 5.8	4
2009	M 5.1	2
2008	M 5.5	1
2006	M 4.0	3
2005	M 4.2	1
2004	M 4.4	4
2003	M 4.2	2
2002	M 4.6	4
2001	M 4.6	1
2000	M 5.5	2
1999	M 5.0	7
1998	M 4.3	3
1997	M 4.3	3
1996	M 4.6	3
1995	M 4.6	1
1994	M 4.7	6
1993	M 4.9	1
1992	M 5.3	3
1990	M 4.7	1
1988	M 6.0	1
1987	M 4.6	1
1986	M 4.7	2
1985	M 4.2	1
1984	M 4.8	1
1983	M 5.0	1
1982	M 4.6	2
1981	M 4.7	1
1980	M 4.4	1
1978	M 4.7	1
1977	M 5.2	1
1975	M 5.0	1
1974	M 4.9	5
1968	M 5.6	1
1964	M 5.6	2
1943	M 7.7	3
1920	M 6.4	1
1918	M 7.1	7