Major magnitude 7.3 earthquake - South Pacific Ocean, 1428 km northeast of Wellington, New Zealand, on Tuesday, March 26, 1963 at 09:48 (GMT)

Major magnitude 7.3 earthquake - South Pacific Ocean, 1428 km northeast of Wellington, New Zealand, on Tuesday, March 26, 1963 at 09:48 (GMT)

Major magnitude 7.3 earthquake at 10 km depth

Date & time: Mar 26, 1963 09:48:17 UTC
Magnitude: 7.3
Depth: 10.0 km
Epicenter latitude / longitude: 29.992°S / 177.675°W (South Pacific Ocean, New Zealand)
Antipode: 29.992°N / 2.325°E
Nearest volcano: Macauley Island (80 km / 50 mi)
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 1015 joules (1562 gigawatt hours, equivalent to 1.3 x 106 tons of TNT or 84 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
7.310 kmKermadec Islands, New ZealandUSGS
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 (21 quakes)

Date and timeMag
Depth
LocationDetails
Mar 7, 1965 01:43
57 years ago
6.0

50 km
South Pacific Ocean, 1415 km NE of Wellington, New ZealandMore
Mar 21, 1964 16:27
58 years ago
5.7

50 km
South Pacific Ocean, 1682 km NE of Wellington, New ZealandMore
Sep 14, 1963 03:52
58 years ago
6.1

15 km
South Pacific Ocean, 1232 km NE of Wellington, New ZealandMore
Sep 8, 1963 00:47
58 years ago
5.8

25 km
South Pacific Ocean, 1654 km NE of Wellington, New ZealandMore
Aug 18, 1963 20:27
58 years ago
5.6

15 km
South Pacific Ocean, 1217 km NE of Wellington, New ZealandMore
Jul 31, 1963 01:44
58 years ago
5.6

20 km
South Pacific Ocean, 1481 km NE of Wellington, New ZealandMore
Jul 30, 1963 15:04
58 years ago
5.8

35 km
South Pacific Ocean, 1460 km NE of Wellington, New ZealandMore
Jul 30, 1963 05:45
58 years ago
6.5

25 km
South Pacific Ocean, 1472 km NE of Wellington, New ZealandMore
Jul 29, 1963 20:16
58 years ago
6.6

25 km
South Pacific Ocean, 1453 km NE of Wellington, New ZealandMore
Jul 29, 1963 20:14
58 years ago
6.3

35 km
South Pacific Ocean, 1435 km NE of Wellington, New ZealandMore
Jul 14, 1963 14:28
58 years ago
5.6

20 km
South Pacific Ocean, 1419 km NE of Wellington, New ZealandMore
Jul 14, 1963 00:02
58 years ago
5.8

15 km
South Pacific Ocean, 1411 km NE of Wellington, New ZealandMore
Jun 23, 1963 03:49
58 years ago
5.6

35 km
South Pacific Ocean, 60 km SE of Sunday Island, New ZealandMore
Jun 20, 1963 22:46
58 years ago
5.8

30 km
South Pacific Ocean, 1671 km NE of Wellington, New ZealandMore
Jun 4, 1963 11:54
59 years ago
5.6

30 km
South Pacific Ocean, 1372 km NE of Wellington, New ZealandMore
May 20, 1963 11:38
59 years ago
6.8

65 km
South Pacific Ocean, 1338 km NE of Wellington, New ZealandMore
Mar 31, 1963 19:22
59 years ago
6.2

52 km
South Pacific Ocean, 1404 km NE of Wellington, New ZealandMore
Mar 31, 1963 05:30
59 years ago
6.6

35 km
South Pacific Ocean, 1431 km NE of Wellington, New ZealandMore
Mar 28, 1963 23:29
59 years ago
5.8

35 km
South Pacific Ocean, 1448 km NE of Wellington, New ZealandMore
Mar 28, 1963 11:12
59 years ago
5.3

20 km
South Pacific Ocean, 1408 km NE of Wellington, New ZealandMore
Mar 26, 1963 13:24
59 years ago
6.5

15 km
South Pacific Ocean, 1414 km NE of Wellington, New ZealandMore

Earlier earthquakes in the same area

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