Major magnitude 6.8 earthquake - South Pacific Ocean, New Zealand, on Tuesday, February 17, 1987 at 06:16 (GMT)

Major magnitude 6.8 earthquake - South Pacific Ocean, New Zealand, on Tuesday, February 17, 1987 at 06:16 (GMT)

Major magnitude 6.8 earthquake at 10 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Feb 17, 1987 06:16:12 UTC
Magnitude: 6.8
Depth: 10.0 km
Epicenter latitude / longitude: 32.793°S / 179.304°W (South Pacific Ocean, New Zealand)
Antipode: 32.793°N / 0.696°E
Nearest volcano: Haungaroa (36 km / 22 mi)
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1 x 1015 joules (278 gigawatt hours, equivalent to 2.4 x 105 tons of TNT or 14.9 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
6.810 kmsouth of the Kermadec Islands (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 (20 quakes)

Date and timeMag
Depth
LocationDetails
Jul 31, 1987 11:13
34 years ago
4.4

33 km
South Pacific Ocean, New ZealandMore
Jul 30, 1987 23:44
34 years ago
4.8

33 km
South Pacific Ocean, New ZealandMore
Jul 20, 1987 12:43
34 years ago
4.9

168 km
South Pacific Ocean, New ZealandMore
Jul 1, 1987 19:33
34 years ago
5.2

53 km
South Pacific Ocean, New ZealandMore
Jun 6, 1987 02:24
35 years ago
4.9

47 km
South Pacific Ocean, New ZealandMore
May 19, 1987 22:17
35 years ago
4.8

106 km
South Pacific Ocean, New ZealandMore
Apr 17, 1987 14:56
35 years ago
4.9

33 km
South Pacific Ocean, New ZealandMore
Mar 31, 1987 19:57
35 years ago
5.2

33 km
South Pacific Ocean, New ZealandMore
Mar 24, 1987 13:46
35 years ago
4.7

36 km
South Pacific Ocean, New ZealandMore
Mar 14, 1987 16:11
35 years ago
4.8

33 km
South Pacific Ocean, New ZealandMore
Mar 7, 1987 07:57
35 years ago
5.0

93 km
South Pacific Ocean, New ZealandMore
Mar 6, 1987 10:16
35 years ago
4.9

320 km
South Pacific Ocean, New ZealandMore
Feb 21, 1987 18:46
35 years ago
4.5

33 km
South Pacific Ocean, New ZealandMore
Feb 19, 1987 22:25
35 years ago
4.7

33 km
South Pacific Ocean, New ZealandMore
Feb 19, 1987 10:02
35 years ago
5.4

33 km
South Pacific Ocean, New ZealandMore
Feb 19, 1987 05:47
35 years ago
5.2

10 km
South Pacific Ocean, New ZealandMore
Feb 18, 1987 01:09
35 years ago
4.8

10 km
South Pacific Ocean, New ZealandMore
Feb 17, 1987 23:06
35 years ago
5.2

10 km
South Pacific Ocean, New ZealandMore
Feb 17, 1987 22:55
35 years ago
5.1

10 km
South Pacific Ocean, New ZealandMore
Feb 17, 1987 22:36
35 years ago
5.3

58 km
South Pacific Ocean, New ZealandMore

Earlier earthquakes in the same area

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