Mag. 4.9 earthquake - Tonga on Monday, 1 February 1988 at 08:21 (GMT)

Mag. 4.9 earthquake - Tonga on Monday, 1 February 1988 at 08:21 (GMT)

Light magnitude 4.9 earthquake at 63 km depth

Date & time: 1 Feb 1988 08:21:17 UTC
Magnitude: 4.9
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
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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.
MagnitudeDepthLocationSource
M 4.963 kmTongaUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Earlier earthquakes in the same area

Mag. 4.9 earthquake - Tonga on Monday, 1 February 1988 at 08:21 (GMT)
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