Strong mag. 6.2 earthquake - Tonga on Saturday, 24 February 1990 at 19:13 (GMT)

Strong mag. 6.2 earthquake  - Tonga on Saturday, 24 February 1990 at 19:13 (GMT)

Strong magnitude 6.2 earthquake at 33 km depth

Date & time: 24 Feb 1990 07:13:14 UTC###AGESTRINGCOPY###
Magnitude: 6.2
Depth: 33.0 km
Epicenter latitude / longitude: 15.523°S / 175.236°W (Tonga)
Nearest volcano: Niuafo'ou (43 km / 27 mi)
Nearby towns and cities:
161 km (100 mi) WNW of Hihifo (pop: 815)
269 km (167 mi) SSE of Mata-Utu (Hahake, Wallis, Wallis & Futuna) (pop: 1,200)
358 km (222 mi) SW of Asau (Vaisigano, Samoa) (pop: 6,640)
372 km (231 mi) NNW of Neiafu (Vava‘u) (pop: 4,320)
418 km (260 mi) WSW of Apia (Tuamasaga, Samoa) (pop: 40,400)
586 km (364 mi) E of Labasa (Northern Division, Fiji) (pop: 27,900)
625 km (388 mi) N of Nuku‘alofa (Nuku'alofa, Tongatapu) (pop: 22,400)
733 km (456 mi) ENE of Suva (Central, Fiji) (pop: 77,400)
Primary data source: USGS
Estimated released energy: 1.3 x 1014 joules (35 gigawatt hours, equivalent to 30089 tons of TNT or 1.9 atomic bombs!) [learn more]
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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.
M 6.233 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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Aftershocks of the 6.2 quake Tonga 24 February 19:13 UTC

More info
Recorded aftershocks, latest first (3 quakes):
  • 13 Aug 1990 13:30 UTC
    | M 5.2 |
    33 km (20.5 mi) depth
    73 km (46 mi) distance
    | USGS | Details
  • 25 Jul 1990 13:37 UTC
    | M 5.1 |
    280.4 km (174.2 mi) depth
    56 km (35 mi) distance
    | USGS | Details
  • 08 Mar 1990 01:06 UTC
    | M 4.9 |
    309.4 km (192.3 mi) depth
    36 km (23 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Strong mag. 6.2 earthquake - Tonga on Saturday, 24 February 1990 at 19:13 (GMT)
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