Strong mag. 6.1 earthquake - Fiji Region (Tonga) on Saturday, 9 February 1991
Depth: 27.6 km
Epicenter latitude / longitude: 15.348°S / 176.901°W (Tonga)
Nearest volcano: Niuafo'ou (139 km / 86 mi)
Nearby towns and cities:
174 km (108 mi) SE of Alo (pop: 200)
179 km (111 mi) SE of Leava (pop: 500)
Primary data source: USGS
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) [learn more]
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.
|Time||Mag. / Depth||Location||Source|
|Sat, 9 Feb 02:08 UTC||M 6.1 / 27.6 km||Fiji Region (Tonga)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Aftershocks of the 6.1 quake: Fiji Region (Tonga), 9 Feb 1991 02h08
More infoRecorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.