Moderate mag. 4.4 earthquake - Philippine Sea, 81 km northeast of Surigao City, Philippines, on 21 May 2021 - 01:00 AM (PST) -

Moderate mag. 4.4 earthquake - Philippine Sea, 81 km northeast of Surigao City, Philippines, on 21 May 2021 - 01:00 AM (PST)

Moderate magnitude 4.4 earthquake at 13 km depth

20 May 17:20 UTC: First to report: PHIVOLCS after 20 minutes.
20 May 19:05: Magnitude recalculated from 4.0 to 4.4. Hypocenter depth recalculated from 17.0 to 14.0 km (from 10.6 to 8.7 mi). Epicenter location corrected by 13 km (8.3 mi) towards SW.
21 May 06:55: Hypocenter depth recalculated from 14.0 to 13.0 km (from 8.7 to 8.1 mi). Epicenter location corrected by 6.9 km (4.3 mi) towards WNW.
Date & time: May 20, 2021 17:00:00 UTC -
Local time at epicenter: 21 May 2021 - 01:00 AM (PST)
Magnitude: 4.4
Depth: 13.0 km
Epicenter latitude / longitude: 10.2°N / 126.11°E (Philippine Sea, Philippines)
Antipode: 10.2°S / 53.89°W
Nearest volcano: Paco (110 km / 68 mi)
Nearby towns and cities:
22 km (13 mi) NNE of Santa Monica (pop: 2,280) --> See nearby quakes!
37 km (23 mi) N of Pilar (pop: 2,390) --> See nearby quakes!
40 km (25 mi) NNE of Del Carmen (pop: 4,280) --> See nearby quakes!
49 km (31 mi) N of Dapa (pop: 8,820) --> See nearby quakes!
57 km (36 mi) ENE of Cagdianao (pop: 2,680) --> See nearby quakes!
62 km (38 mi) ESE of Loreto (Dinagat Islands) (pop: 5,400) --> See nearby quakes!
66 km (41 mi) NNE of Socorro (pop: 9,740) --> See nearby quakes!
81 km (51 mi) NE of Surigao City (pop: 87,800) --> See nearby quakes!
152 km (95 mi) NNE of Butuan (pop: 309,700) --> See nearby quakes!
742 km (461 mi) SE of Manila (pop: 1,600,000) --> See nearby quakes!
156 km (97 mi) ESE of Leyte Island (pop: 2,388,500) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds 28.2°C (83 F), humidity: 75%, wind: 1 m/s (3 kts) from E
Primary data source: PHIVOLCS (Philippine Institute of Volcanology and Seismology)
Estimated released energy: 2.5 x 1011 joules (69.8 megawatt hours, equivalent to 60 tons of TNT) More info
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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
4.413 kmPhilippines: 033 Km N 40° E of Burgos (Surigao Del Norte)PHIVOLCS
4.668 kmPhilippines: PHILIPPINE ISLANDS REGIONEMSC

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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General luna / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
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