Light mag. 4.9 earthquake - South of the Kermadec Islands on Saturday, December 18, 1993 at 18:11 GMT
Light magnitude 4.9 earthquake at 376 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 375.9 km
Epicenter latitude / longitude: 32.002°S / 179.734°E (international territory)
Antipode: 32.002°N / 0.266°W
Nearest volcano: Oliver-Speight (77 km / 48 mi)
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) | about seismic energy
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.
|4.9||376 km||south of the Kermadec Islands||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.