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Major magnitude 7.1 earthquake - Bagoso Island, 14 km east of Kinablangan, Philippines, on Sunday, April 15, 1934 at 22:15 GMT

Major magnitude 7.1 earthquake - Bagoso Island, 14 km east of Kinablangan, Philippines, on Sunday, April 15, 1934 at 22:15 GMT Major magnitude 7.1 earthquake - Bagoso Island, 14 km east of Kinablangan, Philippines, on Sunday, April 15, 1934 at 22:15 GMT

Major magnitude 7.1 earthquake at 35 km depth

Earthquake details

Date & timeApr 15, 1934 22:15:22 UTC
Local time at epicenter
Depth35.0 km
Epicenter latitude / longitude7.681°N / 126.676°E (Philippine Sea, Philippines)
Antipode7.681°S / 53.324°W
Shaking intensityVery strong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoLeonard Range (77 km / 48 mi)
Nearby towns and cities14 km (9 mi) E of Kinablangan (pop: 5,420) | Show on map | Quakes nearby
54 km (34 mi) NNE of Manay (pop: 20,300) | Show on map | Quakes nearby
65 km (40 mi) E of Compostela (pop: 42,600) | Show on map | Quakes nearby
70 km (44 mi) ESE of Monkayo (pop: 51,400) | Show on map | Quakes nearby
71 km (44 mi) SE of Bislig City (pop: 67,600) | Show on map | Quakes nearby
77 km (48 mi) ENE of San Mariano (Compostela Valley) (pop: 18,700) | Show on map | Quakes nearby
95 km (59 mi) NNE of Mati (pop: 105,900) | Show on map | Quakes nearby
100 km (62 mi) ENE of Magugpo Poblacion (pop: 233,300) | Show on map | Quakes nearby
135 km (84 mi) ENE of Central (pop: 1,212,500) | Show on map | Quakes nearby
989 km (615 mi) SE of Manila (pop: 1,600,000) | Show on map | Quakes nearby
Estimated seismic energy released2.8 x 1015 joules (783 gigawatt hours, equivalent to 6.7 x 105 tons of TNT or 42.1 atomic bombs!) | about seismic energy
Show interactive Map
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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.
7.135 kmMindanao, PhilippinesUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

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.


[More info]

Recorded aftershocks, latest first (2 quakes)

Date and timeMag
Jan 20, 1936 16:56
87 years ago

35 km
Philippines, 29 km N of Pulau Mianggas Island, North Sulawesi, IndonesiaMore
Aug 12, 1934 23:49
89 years ago

35 km
50 km E of Bislig City, Province of Surigao del Sur, Caraga, PhilippinesMore

Earlier earthquakes in the same area

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