Mag. 3.4 earthquake - Caribbean Sea, 4.4 km southwest of La Parguera, Lajas, Puerto Rico, on 11 Oct 3:50 am (GMT -4) -
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Minor magnitude 3.4 earthquake at 11 km depth
11 Oct 08:07 UTC: First to report: USGS after 17 minutes.
11 Oct 08:20: Magnitude recalculated from 3.2 to 3.4. Hypocenter depth recalculated from 10.0 to 11.0 km (from 6.2 to 6.8 mi). Epicenter location corrected by 7 km (4.4 mi) towards N.
11 Oct 08:20: Magnitude recalculated from 3.2 to 3.4. Hypocenter depth recalculated from 10.0 to 11.0 km (from 6.2 to 6.8 mi). Epicenter location corrected by 7 km (4.4 mi) towards N.
Local time at epicenter: 11 Oct 3:50 am (GMT -4)
Magnitude: 3.4
Depth: 11.0 km
Epicenter latitude / longitude: 17.9391°N / 67.0646°W
(Caribbean Sea, Puerto Rico)Nearby towns and cities:
4 km (3 mi) SSW of La Parguera (pop: 1,140) --> See nearby quakes!
13 km (8 mi) ESE of Pole Ojea (pop: 1,830) --> See nearby quakes!
16 km (10 mi) S of San German (San Germán) (pop: 12,100) --> See nearby quakes!
19 km (12 mi) SSE of Cabo Rojo (pop: 10,800) --> See nearby quakes!
23 km (14 mi) SSE of Hormigueros (pop: 11,900) --> See nearby quakes!
25 km (16 mi) WSW of Yauco (pop: 20,300) --> See nearby quakes!
30 km (19 mi) SSE of Mayagüez (pop: 78,600) --> See nearby quakes!
47 km (29 mi) W of Ponce (pop: 152,600) --> See nearby quakes!
109 km (68 mi) WSW of Bayamon (pop: 203,500) --> See nearby quakes!
117 km (73 mi) WSW of Puerto Rico (pop: 418,100) --> See nearby quakes!
10 km (6 mi) W of Terremoto Cay Island --> See nearby quakes!
69 km (43 mi) WSW of Puerto Rico Island (pop: 3,474,200) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds
24.5°C (76 F), humidity: 77%, wind: 4 m/s (7 kts) from E
Primary data source: USGS (United States Geological Survey)
Overcast Clouds
24.5°C (76 F), humidity: 77%, wind: 4 m/s (7 kts) from EEstimated released energy: 7.9 x 109 joules (2.21 megawatt hours, equivalent to 1.9 tons of TNT) More info
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
| Magnitude | Depth | Location | Source |
| M 3.4 | 11 km | 10 Km S of La Parguera, Puerto Rico | USGS |
| M 3.2 | 10 km | Puerto Rico Region | EMSC |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Earlier earthquakes in the same area
Mag. 3.4 earthquake - Caribbean Sea, 4.4 km southwest of La Parguera, Lajas, Puerto Rico, on 11 Oct 3:50 am (GMT -4)
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