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Light mag. 4.3 earthquake - Bohol Sea, 22 km south of Valencia, Bohol, Central Visayas, Philippines, on Wednesday, Dec 30, 2020 at 2:43 am (GMT +8)

Light mag. 4.3 earthquake - Bohol Sea, 22 km south of Valencia, Bohol, Central Visayas, Philippines, on Wednesday, Dec 30, 2020 at 2:43 am (GMT +8) Light mag. 4.3 earthquake - Bohol Sea, 22 km south of Valencia, Bohol, Central Visayas, Philippines, on Wednesday, Dec 30, 2020 at 2:43 am (GMT +8)

Light magnitude 4.3 earthquake at 526 km depth

29 Dec 18:56 UTC: First to report: EMSC after 13 minutes.
29 Dec 20:09: Magnitude recalculated from 4.2 to 4.3. Hypocenter depth recalculated from 540.0 to 533.0 km (from 336 to 331 mi). Epicenter location corrected by 12 km (7.6 mi) towards ENE.
29 Dec 20:10: Hypocenter depth recalculated from 533.0 to 529.0 km (from 331 to 329 mi). Epicenter location corrected by 5.5 km (3.4 mi) towards SW.
29 Dec 20:20: Hypocenter depth recalculated from 529.0 to 526.0 km (from 329 to 327 mi). Epicenter location corrected by 4.7 km (2.9 mi) towards NE.
Update Tue, 29 Dec 2020, 19:03

Light earthquake of magnitude 4.2 just reported 44 km southeast of Tagbilaran, Philippines

4.2 quake 30 Dec 2:43 am (GMT +8)
4.2 quake 30 Dec 2:43 am (GMT +8)
The European-Mediterranean Seismological Centre (EMSC) reported a magnitude 4.2 quake in the Philippines near Tagbilaran, Bohol, Central Visayas, only 20 minutes ago. The earthquake hit early morning on Wednesday 30 December 2020 at 2:43 am local time at a great depth of 540 km. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
According to preliminary calculations, we do not expect that the quake was felt by many people and did not cause any damage. In Valencia (pop. 2,400, 28 km away), Loboc (pop. 16,300, 32 km away), Alburquerque (pop. 2,700, 33 km away), Garcia Hernandez (pop. 2,600, 33 km away), Catarman (pop. 3,700, 39 km away), Jagna (pop. 32,600, 41 km away), Tagbilaran (pop. 86,400, 44 km away), and Danao (pop. 17,700, 46 km away), the quake was probably not felt.

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Earthquake details

Date & timeDec 29, 2020 18:43:21 UTC
Local time at epicenterWednesday, Dec 30, 2020 at 2:43 am (GMT +8)
StatusConfirmed
Magnitude4.3
Depth526.0 km
Epicenter latitude / longitude9.41°N / 124.23°E (Bohol Sea, Philippines)
Antipode9.41°S / 55.77°W
Shaking intensityNot felt
Primary data sourceEMSC (European-Mediterranean Seismological Centre)
Nearest volcanoHibok-Hibok (54 km / 34 mi)
Nearby towns and cities22 km (14 mi) S of Valencia (pop: 2,430) | Show on map | Quakes nearby
31 km (19 mi) SSW of Jagna (Bohol) (pop: 32,600) | Show on map | Quakes nearby
33 km (21 mi) SE of Loboc (Bohol) (pop: 16,300) | Show on map | Quakes nearby
46 km (29 mi) S of Carmen (Bohol) (pop: 8,210) | Show on map | Quakes nearby
48 km (30 mi) SW of Guindulman (pop: 4,690) | Show on map | Quakes nearby
50 km (31 mi) ESE of Tagbilaran (pop: 86,400) | Show on map | Quakes nearby
54 km (34 mi) ESE of Danao (Bohol) (pop: 17,700) | Show on map | Quakes nearby
56 km (35 mi) WNW of Mambajao (pop: 10,100) | Show on map | Quakes nearby
67 km (42 mi) SSE of Tubigon (Bohol) (pop: 11,300) | Show on map | Quakes nearby
677 km (421 mi) SSE of Manila (pop: 1,600,000) | Show on map | Quakes nearby
48 km (30 mi) S of Bohol Island (pop: 1,211,000) | Show on map | Quakes nearby
178 km (111 mi) NNW of Mindanao Island (pop: 25,537,700) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 27.6°C (82 F), humidity: 75%, wind: 2 m/s (4 kts) from NNE
Estimated seismic energy released1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 tons of TNT) | about seismic energy
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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
4.3526 kmBOHOL, PHILIPPINESEMSC
4.3536 km025 Km S 10° E of Lila (Bohol), PhilippinesPHIVOLCS
4.3533 km21 Km S of Valencia, PhilippinesUSGS
4.4532 kmMindanao, PhilippinesGFZ

Seismograms

Seismic station: Davao, Philippines (DAV/IU network) | Distance from quake: 300 km / 186 mi | Show on map | Station Info
Seismic station Davao, Philippines: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Source: IRIS Buffer of Uniform Data (BUD) webtool
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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.

Earlier earthquakes in the same area

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