Moderate mag. 4.1 earthquake - 31 km southeast of Mayagüez, Puerto Rico, on Friday, July 3, 2020 at 21:00 (GMT) -

This quake was likely an aftershock of the 5.3 quake Caribbean Sea, 4.8 km southwest of Cayo Terremoto Island, Guanica, Puerto Rico, July, 3 2020 20:49 GMT, which had occurred 10 minutes earlier.
Moderate mag. 4.1 earthquake - 31 km southeast of Mayagüez, Puerto Rico, on Friday, July 3, 2020 at 21:00 (GMT)

Moderate magnitude 4.1 earthquake at 6 km depth

3 Jul 21:13 UTC: First to report: USGS after 14 minutes.
Jul 3 22:16: Magnitude recalculated from 4.4 to 4.1.
Hypocenter depth recalculated from 10.0 to 6.0 km.
Date & time: Jul 3, 2020 21:00:08 UTC -
Magnitude: 4.1
Depth: 6.0 km
Epicenter latitude / longitude: 17.9503°N / 67.0171°W (Caribbean Sea, Puerto Rico)
Antipode: 17.95°S / 112.983°E
Nearby towns and cities:
4 km (3 mi) SE of La Parguera (pop: 1,140) --> See nearby quakes!
12 km (7 mi) WSW of Guanica (pop: 9,220) --> See nearby quakes!
12 km (7 mi) SSE of Lajas (pop: 5,260) --> See nearby quakes!
15 km (9 mi) SSE of San German (San Germán) (pop: 12,100) --> See nearby quakes!
15 km (10 mi) SSW of Sabana Grande (pop: 8,960) --> See nearby quakes!
20 km (12 mi) WSW of Yauco (pop: 20,300) --> See nearby quakes!
20 km (13 mi) SE of Cabo Rojo (pop: 10,800) --> See nearby quakes!
24 km (15 mi) SSE of Hormigueros (pop: 11,900) --> See nearby quakes!
25 km (16 mi) WSW of Guayanilla (pop: 5,210) --> See nearby quakes!
26 km (16 mi) S of Maricao (pop: 1,170) --> See nearby quakes!
31 km (19 mi) SSE of Mayaguez (pop: 78,600) --> See nearby quakes!
82 km (51 mi) WSW of Aibonito (pop: 8,950) --> See nearby quakes!
104 km (64 mi) WSW of Bayamon (pop: 203,500) --> See nearby quakes!
110 km (68 mi) WSW of Cataño (Catano) (pop: 28,100) --> See nearby quakes!
112 km (70 mi) WSW of San Juan (pop: 418,100) --> See nearby quakes!
124 km (77 mi) WSW of Las Piedras (pop: 6,660) --> See nearby quakes!
132 km (82 mi) WSW of Loiza (pop: 4,310) --> See nearby quakes!
64 km (40 mi) WSW of Puerto Rico Island (pop: 3,474,200) --> See nearby quakes!
169 km (105 mi) W of Vieques Island (pop: 9,300) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 tons of TNT) More info
Show interactive Map
[smaller] [bigger]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
If you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable to earthquake science, seismic hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
Mag.DepthLocationSource
4.16 km4 km SE of La Parguera, Puerto RicoUSGS
4.410 kmPuerto Rico RegionEMSC

User reports for this quake (8)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
Translate
Sabana Grande (16 km NNE of epicenter) [Map] / Weak shaking (MMI III)
Santa Isabel (62.5 km E of epicenter) [Map] / not felt
Moca, Moca Barrio-Pueblo (47 km N of epicenter) [Map] / Very weak shaking (MMI II)
Cayey,PR, US / not felt
Lajas / Moderate shaking (MMI V)
Corcovado (Puerto Rico, 72 km N of epicenter) : Arecibo, leve... (reported through EMSC)  
Yauco (Puerto Rico, 28 km NE of epicenter) : Senti movimiento en la mesa. (reported through EMSC)  
San Germán (Puerto Rico, 25 km NW of epicenter) : Sabana Grande movió piso (reported through EMSC)  
Volcanoes & Earthquakes - new app for Android

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version
Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Improved multilanguage support
  • Tsunami alerts
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Detailed quake stats
  • Additional seismic data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.