Mag. 4.9 earthquake - Tonga on Monday, 1 February 1988 at 08:21 (GMT)
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Light magnitude 4.9 earthquake at 63 km depth
Depth: 62.7 km
Epicenter latitude / longitude: 15.351°S / 174.121°W (Tonga)
Nearest volcano: Tafu-Maka (12 km / 7 mi)
Nearby towns and cities:
76 km (47 mi) NNW of Hihifo (pop: 815) --> See nearby quakes!
259 km (161 mi) SW of Asau (Samoa) (pop: 6,640) --> See nearby quakes!
281 km (175 mi) SW of Mulifanua (Samoa) (pop: 4,510) --> See nearby quakes!
281 km (175 mi) SW of Safotu (Samoa) (pop: 1,210) --> See nearby quakes!
291 km (181 mi) SW of Fasito‘outa (Samoa) (pop: 2,100) --> See nearby quakes!
304 km (189 mi) SW of Apia (Samoa) (pop: 40,400) --> See nearby quakes!
367 km (228 mi) N of Neiafu (pop: 4,320) --> See nearby quakes!
383 km (238 mi) WSW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
386 km (240 mi) WSW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
654 km (406 mi) N of Nuku'alofa (pop: 22,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 tons of TNT) 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.
|M 4.9||63 km||Tonga||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.