Weak mag. 3.8 earthquake - Philippine Sea, 65 km north of Surigao City, Philippines, on Tuesday, Aug 17, 2021 10:22 am (GMT +8) -

Weak mag. 3.8 earthquake - Philippine Sea, 65 km north of Surigao City, Philippines, on Tuesday, Aug 17, 2021 10:22 am (GMT +8)

Weak magnitude 3.8 earthquake at 109 km depth

17 Aug 02:40 UTC: First to report: PHIVOLCS after 18 minutes.
18 Aug 02:20: Magnitude recalculated from 3.9 to 3.8. Hypocenter depth recalculated from 108.0 to 109.0 km (from 67 to 68 mi). Epicenter location corrected by 2.5 km (1.5 mi) towards NNE.
Date & time: Aug 17, 2021 02:22:00 UTC -
Local time at epicenter: Tuesday, Aug 17, 2021 10:22 am (GMT +8)
Magnitude: 3.8
Depth: 109.0 km
Epicenter latitude / longitude: 10.37°N / 125.52°E (Philippine Sea, Philippines)
Antipode: 10.37°S / 54.48°W
Nearest volcano: Cabalian (32 km / 20 mi)
Nearby towns and cities:
6 km (4 mi) W of Loreto (pop: 5,400) --> See nearby quakes!
30 km (18 mi) E of Hinundayan (pop: 2,690) --> See nearby quakes!
50 km (31 mi) ENE of Poblacion (pop: 3,550) --> See nearby quakes!
65 km (40 mi) N of Surigao City (pop: 87,800) --> See nearby quakes!
70 km (43 mi) SE of Abuyog (Leyte) (pop: 15,600) --> See nearby quakes!
78 km (49 mi) ENE of Maasin (Southern Leyte) (pop: 18,300) --> See nearby quakes!
86 km (53 mi) ESE of Baybay (Leyte) (pop: 17,700) --> See nearby quakes!
99 km (62 mi) SE of Tanauan (Leyte) (pop: 16,600) --> See nearby quakes!
112 km (70 mi) SSE of Tacloban City (pop: 242,100) --> See nearby quakes!
682 km (423 mi) SE of Manila (pop: 1,600,000) --> See nearby quakes!
91 km (56 mi) SE of Leyte Island (pop: 2,388,500) --> See nearby quakes!
160 km (99 mi) ENE of Bohol Island (pop: 1,211,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Moderate Rain 29°C (84 F), humidity: 71%, wind: 2 m/s (3 kts) from E
Primary data source: PHIVOLCS (Philippine Institute of Volcanology and Seismology)
Estimated released energy: 3.2 x 1010 joules (8.78 megawatt hours, equivalent to 7.56 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
3.8109 kmPhilippines: 007 Km N 81° W of Loreto (Dinagat Islands)PHIVOLCS

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

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.