Moderate mag. 4.7 earthquake - 57 km north of Hihifo, Tonga, on Monday, 20 April 2020 at 18:37 (GMT) -
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Moderate magnitude 4.7 earthquake at 35 km depth
20 Apr 19:52 UTC: First to report: EMSC after 1 hour and 15 minutes.
Date & time: 20 Apr 2020 18:37:11 UTC -
Depth: 35.0 km
Epicenter latitude / longitude: 15.46°S / 173.65°W (South Pacific Ocean, Tonga)
Nearest volcano: Curacoa (18 km / 11 mi)
Nearby towns and cities:
57 km (36 mi) NNE of Hihifo (pop: 815) --> See nearby quakes!
242 km (150 mi) SSW of Asau (Samoa) (pop: 6,640) --> See nearby quakes!
251 km (156 mi) SW of Mulifanua (Samoa) (pop: 4,510) --> See nearby quakes!
272 km (169 mi) SW of Apia (Samoa) (pop: 40,400) --> See nearby quakes!
339 km (211 mi) WSW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
343 km (213 mi) WSW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
357 km (222 mi) N of Neiafu (pop: 4,320) --> See nearby quakes!
364 km (226 mi) SE of Mata-Utu (Hahake, Wallis & Futuna) (pop: 1,200) --> See nearby quakes!
563 km (350 mi) NW of Alofi (Niue) (pop: 624) --> See nearby quakes!
653 km (405 mi) NNE of Nuku'alofa (pop: 22,400) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 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 4.7||35 km||Tonga||EMSC|
|M 4.7||35 km||55km N of Hihifo, Tonga||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.