Moderate mag. 5.3 earthquake - Tonga on Tuesday, 13 April 2004 at 11:24 (GMT)

Moderate mag. 5.3 earthquake - Tonga on Tuesday, 13 April 2004 at 11:24 (GMT)

Moderate magnitude 5.3 earthquake at 99 km depth

Date & time: 13 Apr 2004 11:24:35 UTC
Magnitude: 5.3
Depth: 98.9 km
Epicenter latitude / longitude: 15.716°S / 174.013°W (Tonga)
Nearest volcano: Tafahi (35 km / 22 mi)
Nearby towns and cities:
35 km (22 mi) NW of Hihifo (pop: 815) --> See nearby quakes!
286 km (177 mi) SSW of Asau (Samoa) (pop: 6,640) --> See nearby quakes!
299 km (186 mi) SW of Mulifanua (Samoa) (pop: 4,510) --> See nearby quakes!
306 km (190 mi) SW of Safotu (Samoa) (pop: 1,210) --> See nearby quakes!
307 km (191 mi) SW of Fasito‘outa (Samoa) (pop: 2,100) --> See nearby quakes!
320 km (199 mi) SW of Apia (Samoa) (pop: 40,400) --> See nearby quakes!
326 km (203 mi) N of Neiafu (pop: 4,320) --> See nearby quakes!
386 km (240 mi) WSW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
390 km (242 mi) WSW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
616 km (383 mi) N of Nuku'alofa (pop: 22,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 1012 joules (1.56 gigawatt hours, equivalent to 1344 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 5.399 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 5.3 quake Tonga 13 April 2004 11:24 GMT

More info
Recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.
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Earlier earthquakes in the same area

Moderate mag. 5.3 earthquake - Tonga on Tuesday, 13 April 2004 at 11:24 (GMT)
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