Light mag. 3.7 earthquake - Philippines Sea, 24 km west of Bulan, Province of Sorsogon, Bicol, Philippines, on Tuesday, 30 Mar 2021 10:02 pm (GMT +8) -

Light mag. 3.7 earthquake - Philippines Sea, 24 km west of Bulan, Province of Sorsogon, Bicol, Philippines, on Tuesday, 30 Mar 2021 10:02 pm (GMT +8)

Light magnitude 3.7 earthquake at 8 km depth

30 Mar 14:15 UTC: First to report: PHIVOLCS after 13 minutes.
31 Mar 03:45: Hypocenter depth recalculated from 30.0 to 8.0 km (from 18.6 to 5 mi). Epicenter location corrected by 5.9 km (3.6 mi) towards ENE.
Date & time: 30 Mar 2021 14:02:00 UTC -
Local time at epicenter: Tuesday, 30 Mar 2021 10:02 pm (GMT +8)
Magnitude: 3.7
Depth: 8.0 km
Epicenter latitude / longitude: 12.72°N / 123.66°E (Philippines Sea, Bicol, Philippines)
Nearest volcano: Bulusan (48 km / 30 mi)
Nearby towns and cities:
19 km (12 mi) NNW of San Jacinto (pop: 7,640) --> See nearby quakes!
23 km (14 mi) S of Pilar (Sorsogon) (pop: 8,590) --> See nearby quakes!
24 km (15 mi) WNW of Bulan (Sorsogon) (pop: 28,500) --> See nearby quakes!
39 km (24 mi) N of Masbate (pop: 47,500) --> See nearby quakes!
40 km (25 mi) W of Irosin (pop: 20,700) --> See nearby quakes!
46 km (29 mi) SW of Sorsogon (pop: 82,700) --> See nearby quakes!
48 km (30 mi) S of Legazpi (pop: 179,500) --> See nearby quakes!
66 km (41 mi) SSE of Polangui (pop: 77,100) --> See nearby quakes!
69 km (43 mi) SSE of Libon (pop: 68,800) --> See nearby quakes!
357 km (222 mi) SE of Manila (National Capital Region) (pop: 1,600,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds 26.3°C (79 F), humidity: 82%, wind: 4 m/s (7 kts) from ENE
Primary data source: PHIVOLCS (Philippine Institute of Volcanology and Seismology)
Estimated released energy: 2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 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!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake 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.
3.78 km008 Km N 02° W of Monreal (Masbate), PhilippinesPHIVOLCS

User reports for this quake (6)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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!
47.5 km N of epicenter [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s : I was sitting on my bed and I felt small shaking motion of my bed , it thought it was just me but other people in the room with me felt it too. Very minimal to minimal shaking went on for 5 secs then stopped for a few seconds then went on again then stopped.  
65 km N of epicenter [Map] / Weak shaking (MMI III) : Whi i am using my cellphone i just felt that our house and the bed i am sitting just move like 2 or 1 seconds  
48.4 km N of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
46.2 km NNE of epicenter [Map] / Weak shaking (MMI III)
48.2 km N of epicenter [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s
SANTO DOMINGO (LIBOG) / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
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:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Additional seismic data sources
  • Improved content in English
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.