Strong mag. 6.5 earthquake - South Pacific Ocean, New Zealand, on Saturday, September 13, 1986 at 15:17 (GMT)

Strong mag. 6.5 earthquake - South Pacific Ocean, New Zealand, on Saturday, September 13, 1986 at 15:17 (GMT)

Strong magnitude 6.5 earthquake at 215 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Sep 13, 1986 15:17:21 UTC
Magnitude: 6.5
Depth: 215.3 km
Epicenter latitude / longitude: 31.827°S / 179.937°W (South Pacific Ocean, New Zealand)
Antipode: 31.827°N / 0.063°E
Nearest volcano: Oliver-Speight (70 km / 43 mi)
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 atomic bombs!) 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.
Mag.DepthLocationSource
6.5215 kmKermadec Islands region (New Zealand)USGS
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.
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Aftershocks

[More info]

Recorded aftershocks, latest first (10 quakes)

Date and timeMag
Depth
LocationDetails
Mar 6, 1987 10:16
35 years ago
4.9

320 km
South Pacific Ocean, New ZealandMore
Feb 16, 1987 02:45
35 years ago
5.5

59 km
South Pacific Ocean, New ZealandMore
Jan 24, 1987 12:44
35 years ago
4.2

475 km
South Pacific OceanMore
Jan 22, 1987 14:07
35 years ago
5.1

398 km
South Pacific OceanMore
Jan 21, 1987 15:19
35 years ago
5.1

33 km
South Pacific Ocean, New ZealandMore
Dec 7, 1986 02:07
35 years ago
5.2

182 km
South Pacific OceanMore
Dec 5, 1986 11:34
35 years ago
5.1

440 km
South Pacific OceanMore
Oct 12, 1986 21:52
35 years ago
4.8

421 km
South Pacific OceanMore
Oct 9, 1986 13:59
35 years ago
4.3

337 km
South Pacific Ocean, New ZealandMore
Sep 24, 1986 04:33
35 years ago
4.6

223 km
South Pacific Ocean, New ZealandMore

Earlier earthquakes in the same area

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