Major magnitude 6.9 earthquake - 37 km southeast of Sarangani, Davao Occidental, Philippines, on Thursday, August 15, 1918 at 17:30 GMT
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Major magnitude 6.9 earthquake at 15 km depth
Earthquake details
| Date & time | Aug 15, 1918 17:30:11 UTC |
| Local time at epicenter | |
| Status | Confirmed |
| Magnitude | 6.9 |
| Depth | 15.0 km |
| Epicenter latitude / longitude | 5.226°N / 125.75°E  (Philippine Sea, Philippines) |
| Antipode | 5.226°S / 54.25°W |
| Shaking intensity | Very strong shaking near epicenter |
| Felt | 0 reports |
| Primary data source | USGS (United States Geological Survey) |
| Nearest volcano | Balut (46 km / 29 mi) |
| Nearby towns and cities | 37 km (23 mi) ESE of Sarangani (Davao del Sur) (pop: 7,510) | Show on map | Quakes nearby 78 km (48 mi) S of Caburan (Davao del Sur) (pop: 12,600) | Show on map | Quakes nearby 90 km (56 mi) SE of Glan (Sarangani) (pop: 24,300) | Show on map | Quakes nearby 97 km (60 mi) SSE of Malapatan (Sarangani) (pop: 19,400) | Show on map | Quakes nearby 110 km (68 mi) SSE of Alabel (pop: 43,300) | Show on map | Quakes nearby 118 km (73 mi) SE of General Santos City (pop: 679,600) | Show on map | Quakes nearby 128 km (80 mi) SSE of Maluñgun (pop: 52,200) | Show on map | Quakes nearby 134 km (83 mi) SE of Polomolok (pop: 64,000) | Show on map | Quakes nearby 174 km (108 mi) SE of Koronadal (pop: 125,500) | Show on map | Quakes nearby 175 km (109 mi) SSE of Digos (pop: 116,100) | Show on map | Quakes nearby |
| Estimated seismic energy released | 1.4 x 1015 joules (392 gigawatt hours, equivalent to 3.4 x 105 tons of TNT or 21.1 atomic bombs!) | about seismic energy |
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. | Depth | Location | Source |
| 6.9 | 15 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.
Aftershocks
[More info]
Recorded aftershocks, latest first (1 quake)
Date and time | Mag Depth | Location | Details |
| Aug 16, 1918 03:25 104 years ago | 6.1 35 km | 85 km SW of Glan, Sarangani, Soccsksargen, Philippines | More |
Earlier earthquakes in the same area
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