Very strong mag. 6.3 earthquake - Balutmasla Island, 7.6 km west of Marogong, Philippines, on Thursday, March 31, 1955 at 20:52 (GMT)
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Very strong magnitude 6.3 earthquake at 35 km depth
Depth: 35.0 km
Epicenter latitude / longitude: 7.674°N / 124.081°E↗ (Lanao del Sur, Mindanao Musulman, Philippines)
Antipode: 7.674°S / 55.919°W↗
Nearest volcano: Makaturing (27 km / 17 mi)
Nearby towns and cities:
18 km (11 mi) SW of Bayang (pop: 6,180) --> See nearby quakes!
40 km (25 mi) NNW of Parang (pop: 44,900) --> See nearby quakes!
43 km (27 mi) SSW of Marawi City (pop: 143,600) --> See nearby quakes!
53 km (33 mi) NNW of Cotabato City (pop: 179,400) --> See nearby quakes!
57 km (35 mi) SSW of Mantampay (Northern Mindanao) (pop: 265,000) --> See nearby quakes!
59 km (37 mi) SSE of Ozamiz (Northern Mindanao) (pop: 93,100) --> See nearby quakes!
64 km (40 mi) SSW of Iligan (Northern Mindanao) (pop: 342,600) --> See nearby quakes!
66 km (41 mi) NW of Budta (pop: 1,273,700) --> See nearby quakes!
69 km (43 mi) ESE of Muricay (Zamboanga Peninsula) (pop: 132,100) --> See nearby quakes!
842 km (523 mi) SSE of Manila (National Capital Region) (pop: 1,600,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 atomic bombs!) More info
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.
|6.3||35 km||Mindanao, Philippines||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Recorded aftershocks, latest first (1 quake)
- 10 Apr 1955 17:38 UTC| M 6.3 |15 km (9.3 mi) depth|17 km (11 mi) distance| USGS | Very strong mag. 6.3 earthquake - Balutmasla Island, 23 km west of Bualan, Philippines, on Sunday, April 10, 1955 at 17:38 (GMT)