Strong mag. 6.3 earthquake - Ryukyu Islands, Japan, on Tuesday, 14 December 1976 at 16:06 (GMT)

Strong mag. 6.3 earthquake  - Ryukyu Islands, Japan, on Tuesday, 14 December 1976 at 16:06 (GMT)

Strong magnitude 6.3 earthquake at 41 km depth

Date & time: 14 Dec 1976 16:06:44 UTC
Magnitude: 6.3
Depth: 41.0 km
Epicenter latitude / longitude: 28.294°N / 130.698°E (Japan)
Nearest volcano: Akuseki-jima (168 km / 104 mi)
Nearby towns and cities:
119 km (74 mi) E of Naze (pop: 41,400) --> See nearby quakes!
273 km (170 mi) S of Nishinoomote (pop: 17,800) --> See nearby quakes!
326 km (203 mi) NE of Nago (pop: 59,600) --> See nearby quakes!
344 km (214 mi) S of Kanoya (pop: 82,300) --> See nearby quakes!
360 km (223 mi) NE of Okinawa (pop: 125,500) --> See nearby quakes!
364 km (226 mi) S of Kagoshima (pop: 555,400) --> See nearby quakes!
368 km (229 mi) NE of Ginowan (pop: 91,800) --> See nearby quakes!
384 km (239 mi) S of Miyakonojō (pop: 131,000) --> See nearby quakes!
394 km (245 mi) S of Sendai (pop: 73,100) --> See nearby quakes!
1181 km (734 mi) SW of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 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.
MagnitudeDepthLocationSource
M 6.341 kmRyukyu Islands, JapanUSGS
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

More info
Recorded aftershocks, latest first (18 quakes):
  • 01 Feb 1977 16:11 UTC
    | M 4.7 |
    24 km (14.9 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 23 Jan 1977 21:01 UTC
    | M 4.9 |
    33 km (20.5 mi) depth
    |
    25 km (16 mi) distance
    | USGS | Details
  • 01 Jan 1977 06:23 UTC
    | M 5.1 |
    33 km (20.5 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 22 Dec 1976 07:28 UTC
    | M 4.9 |
    33 km (20.5 mi) depth
    |
    22 km (14 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    13908 km (8642 mi) distance
    | | Details
  • 22 Dec 1976 02:25 UTC
    | M 4.9 |
    34 km (21.1 mi) depth
    |
    14 km (8 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    13908 km (8642 mi) distance
    | | Details
  • 21 Dec 1976 03:58 UTC
    | M 4.6 |
    33 km (20.5 mi) depth
    |
    20 km (13 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    13908 km (8642 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    13908 km (8642 mi) distance
    | | Details
  • 18 Dec 1976 18:08 UTC
    | M 5.1 |
    33 km (20.5 mi) depth
    |
    29 km (18 mi) distance
    | USGS | Details
  • 18 Dec 1976 05:04 UTC
    | M 5.3 |
    33 km (20.5 mi) depth
    |
    4 km (2 mi) distance
    | USGS | Details
  • 15 Dec 1976 12:25 UTC
    | M 5.3 |
    3 km (1.9 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 15 Dec 1976 11:46 UTC
    | M 4.9 |
    33 km (20.5 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    13908 km (8642 mi) distance
    | | Details
  • 14 Dec 1976 19:35 UTC
    | M 5.6 |
    39 km (24.2 mi) depth
    |
    10 km (6 mi) distance
    | USGS | Details
  • 14 Dec 1976 17:07 UTC
    | M 4.8 |
    40 km (24.9 mi) depth
    |
    21 km (13 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    13908 km (8642 mi) distance
    | | Details

Earlier earthquakes in the same area

Strong mag. 6.3 earthquake - Ryukyu Islands, Japan, on Tuesday, 14 December 1976 at 16:06 (GMT)
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