Largest earthquakes in or near Puerto Rico on record since 1900 - list, stats and map

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Updated: Apr 19, 2024 22:58 GMT - refresh

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Since 1900, Puerto Rico has had 19 quakes of magnitudes above 5 and up to 7.7:

4 quakes above magnitude 7
9 quakes between magnitude 6 and 7
6 quakes between magnitude 5 and 6

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Number of quakes per year

Latest: Mag. 5.7 Earthquake Puerto Rico region -

Strongest: Mag. 7.7 Earthquake Puerto Rico region -

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Showing quakes since 1900magnitude 6.4 or higher, within up to 100 km (62 mi) distance (19 quakes):

Largest earthquakes in or near Puerto Rico on record since 1900 - list, stats and map
Date and Time	Mag Depth	Nearest Volcano	Location	Details
Apr 1, 1954 10:09 am (GMT -4)	5.7 33 km	86 km (53 mi) to the NW	Puerto Rico region	Info
Friday, September 10, 1943 GMT (1 quake)
Sep 9, 1943 10:31 pm (GMT -4)	5.7 15 km	76 km (47 mi) to the N	78 km N of Tierras Nuevas Poniente, Puerto Rico	Info
Friday, July 30, 1943 GMT (1 quake)
Jul 29, 1943 09:02 pm (GMT -4)	6.0 15 km	80 km (50 mi) to the NW	81 km N of Isabela, Puerto Rico	Info
Thursday, July 29, 1943 GMT (1 quake)
Jul 29, 1943 03:02 am (Universal Time)	7.7 15 km	43 km (27 mi) to the NW	Puerto Rico region	Info
Monday, June 12, 1939 GMT (1 quake)
Jun 12, 1939 12:05 am (GMT -4)	6.1 15 km	220 km (137 mi) to the N	220 km N of San Juan, Puerto Rico	Info
Wednesday, June 25, 1930 GMT (1 quake)
Jun 25, 1930 08:06 am (GMT -4)	5.9 15 km	91 km (57 mi) to the E	British Virgin Islands: 68 km N of Cruz Bay, U.S. Virgin Islands	Info
Monday, December 18, 1922 GMT (1 quake)
Dec 18, 1922 08:35 am (GMT -4)	6.3 15 km	43 km (27 mi) to the W	Puerto Rico: 58 km E of Punta Cana, Dominican Republic	Info
Tuesday, February 10, 1920 GMT (1 quake)
Feb 10, 1920 10:07 pm (Universal Time)	6.4 15 km	27 km (17 mi) to the W	Puerto Rico region	Info
Tuesday, November 12, 1918 GMT (1 quake)
Nov 12, 1918 05:45 pm (GMT -4)	7.0 0 km	30 km (19 mi) to the W		Info
Friday, October 25, 1918 GMT (1 quake)
Oct 24, 1918 11:43 pm (Puerto Rico)	6.4 0 km	2 km (1.2 mi) to the W	Puerto Rico	Info
Friday, October 18, 1918 GMT (1 quake)
Oct 18, 1918 05:33 pm (GMT -4)	5.8 15 km	29 km (18 mi) to the W	33 km NW of San Antonio, Puerto Rico	Info

About these data

Estimated combined seismic energy released: 3.4 x 10¹⁶ joules (9338 gigawatt hours, equivalent to 8 x 10⁶ tons of TNT or 502.1 atomic bombs!) | about seismic energy

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Largest Quakes in or near Puerto Rico

Date and Time	Mag Depth	###DIST_LABEL###	Location	Details	Map

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Caribbean Sea | Caribbean Sea, Sankta Kruco,

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