Very strong mag. 6.1 earthquake - Sulu Sea, 1 km south of San Jose, Philippines, on Saturday, August 18, 1973 at 08:25 (GMT)
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Very strong magnitude 6.1 earthquake at 14 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 14.0 km
Epicenter latitude / longitude: 11.511°N / 121.389°E↗ (Sulu Sea, Philippines)
Antipode: 11.511°S / 58.611°W↗
Nearest volcano: Malindig (204 km / 127 mi)
Nearby towns and cities:
62 km (38 mi) WSW of Union (pop: 2,290) --> See nearby quakes!
62 km (39 mi) S of Semirara (pop: 5,470) --> See nearby quakes!
82 km (51 mi) WSW of Pandan (Antique) (pop: 34,000) --> See nearby quakes!
91 km (56 mi) S of Bulalacao (pop: 12,000) --> See nearby quakes!
97 km (60 mi) SSE of Caminauit (Occidental Mindoro) (pop: 11,200) --> See nearby quakes!
100 km (62 mi) SSE of San Jose (pop: 118,800) --> See nearby quakes!
108 km (67 mi) WSW of Kalibo Town (pop: 56,800) --> See nearby quakes!
149 km (92 mi) W of Roxas City (pop: 102,700) --> See nearby quakes!
157 km (98 mi) NW of Iloilo City (pop: 387,700) --> See nearby quakes!
347 km (216 mi) S of Manila (pop: 1,600,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 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.
|6.1||14 km||Panay, 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 (2 quakes)
- 19 Aug 1973 01:45 UTC| M 5.2 |22 km (13.7 mi) depth|29 km (18 mi) distance| USGS | Details
- 18 Aug 1973 09:53 UTC| M 4.5 |86 km (53.4 mi) depth|18 km (11 mi) distance| USGS | Details