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Major magnitude 7.8 earthquake - 37 km west of Nusa Mawawo Island, Indonesia, on Wednesday, April 1, 1936 at 02:09 GMT

Major magnitude 7.8 earthquake - 37 km west of Nusa Mawawo Island, Indonesia, on Wednesday, April 1, 1936 at 02:09 GMT Major magnitude 7.8 earthquake - 37 km west of Nusa Mawawo Island, Indonesia, on Wednesday, April 1, 1936 at 02:09 GMT

Major magnitude 7.8 earthquake at 35 km depth

Earthquake details

Date & timeApr 1, 1936 02:09:28 UTC
Local time at epicenter
Depth35.0 km
Epicenter latitude / longitude4.241°N / 126.368°E (Philippine Sea, Indonesia)
Antipode4.241°S / 53.632°W
Shaking intensityVery strong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoNorth Kawio (111 km / 69 mi)
Nearby towns and cities247 km (153 mi) SSE of General Santos City (Philippines) (pop: 679,600) | Show on map | Quakes nearby
257 km (159 mi) SSE of Maluñgun (Philippines) (pop: 52,200) | Show on map | Quakes nearby
263 km (164 mi) SE of Polomolok (Philippines) (pop: 64,000) | Show on map | Quakes nearby
334 km (207 mi) NW of Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) | Show on map | Quakes nearby
336 km (209 mi) NNE of Bitung (pop: 137,400) | Show on map | Quakes nearby
350 km (218 mi) NNE of Manado (pop: 451,900) | Show on map | Quakes nearby
364 km (226 mi) NNE of Tondano (Kabupaten Minahasa) (pop: 33,300) | Show on map | Quakes nearby
369 km (229 mi) NNE of Tomohon (pop: 27,600) | Show on map | Quakes nearby
400 km (249 mi) NNW of Ternate (pop: 101,700) | Show on map | Quakes nearby
412 km (256 mi) NNW of Sofifi (Kota Tidore Kepulauan) (pop: 36,200) | Show on map | Quakes nearby
Estimated seismic energy released3.2 x 1016 joules (8784 gigawatt hours, equivalent to 7.6 x 106 tons of TNT or 472.4 atomic bombs!) | 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.
7.835 kmKepulauan Talaud, IndonesiaUSGS
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.
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Recorded aftershocks, latest first (3 quakes)

Date and timeMag
Oct 5, 1936 09:44
86 years ago

15 km
131 km E of Bitung, North Sulawesi, IndonesiaMore
Jul 5, 1936 18:55
86 years ago

35 km
Philippines, 47 km NE of Pulau Mianggas Island, North Sulawesi, IndonesiaMore
Apr 1, 1936 20:11
86 years ago

35 km
Pulau Sara Kecil, 331 km NE of Manado, North Sulawesi, IndonesiaMore

Earlier earthquakes in the same area

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