Light mag. 3.3 earthquake - Caribbean Sea, 31 km southeast of Mayaguez, Puerto Rico, on Tuesday, Aug 24, 2021 12:08 am (GMT -4) -

Light mag. 3.3 earthquake - Caribbean Sea, 31 km southeast of Mayaguez, Puerto Rico, on Tuesday, Aug 24, 2021 12:08 am (GMT -4)

Light magnitude 3.3 earthquake at 11 km depth

24 Aug 04:48 UTC: First to report: EMSC after 40 minutes.
Date & time: Aug 24, 2021 04:08:12 UTC -
Local time at epicenter: Tuesday, Aug 24, 2021 12:08 am (GMT -4)
Magnitude: 3.3
Depth: 11.0 km
Epicenter latitude / longitude: 17.95°N / 67.02°W (Caribbean Sea, Puerto Rico)
Antipode: 17.95°S / 112.98°E
Nearby towns and cities:
4 km (2 mi) SE of La Parguera (pop: 1,140) --> See nearby quakes!
12 km (7 mi) SSE of Lajas (pop: 5,260) --> See nearby quakes!
12 km (8 mi) WSW of Guanica (pop: 9,220) --> See nearby quakes!
15 km (9 mi) S of San German (San Germán) (pop: 12,100) --> See nearby quakes!
16 km (10 mi) SSW of Sabana Grande (pop: 8,960) --> See nearby quakes!
20 km (13 mi) SE of Cabo Rojo (pop: 10,800) --> See nearby quakes!
20 km (13 mi) WSW of Yauco (pop: 20,300) --> 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!
42 km (26 mi) W of Ponce (pop: 152,600) --> See nearby quakes!
82 km (51 mi) WSW of Aibonito (pop: 8,950) --> See nearby quakes!
112 km (70 mi) WSW of San Juan (pop: 418,100) --> See nearby quakes!
64 km (40 mi) WSW of Puerto Rico Island (pop: 3,474,200) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds 26.2°C (79 F), humidity: 81%, wind: 2 m/s (3 kts) from E
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 5.6 x 109 joules (1.56 megawatt hours, equivalent to 1.34 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.
3.311 km4 Km SE of La Parguera, Puerto RicoUSGS

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
Volcanoes & Earthquakes - new app for Android

Earlier earthquakes in the same area since 1900

Map of earlier quakes

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.