Major magnitude. 7.6 earthquake - Mariana Islands Region (Northern Mariana Islands) on Thursday, 5 April 1990 at 21:12 (GMT)

Major magnitude. 7.6 earthquake  - Mariana Islands Region (Northern Mariana Islands) on Thursday, 5 April 1990 at 21:12 (GMT)

Major magnitude 7.6 earthquake at 11 km depth

Date & time: 5 Apr 1990 09:12:35 UTC###AGESTRINGCOPY###
Magnitude: 7.6
Depth: 11.4 km
Epicenter latitude / longitude: 15.125°N / 147.596°E (Northern Mariana Islands)
Nearest volcano: Ruby (224 km / 139 mi)
Nearby towns and cities:
198 km (123 mi) E of Saipan (pop: 48,200)
213 km (132 mi) E of San Jose (pop: 15,000)
347 km (215 mi) ENE of Dededo Village (Guam) (pop: 44,900)
358 km (223 mi) ENE of Chalan Pago-Ordot Village (Guam) (pop: 6,820)
370 km (230 mi) NE of Inarajan Village (Guam) (pop: 3,050)
370 km (230 mi) ENE of Santa Rita Village (Guam) (pop: 7,500)
387 km (240 mi) SSE of Pagan Village (Pagan Island) (pop: 50)
Primary data source: USGS
Estimated released energy: 1.6 x 1016 joules (4402 gigawatt hours, equivalent to 3.8 x 106 tons of TNT or 236.7 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 7.611 kmMariana Islands region (Northern Mariana Islands)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 yet. If you felt it be the first to report it!
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Aftershocks of the 7.6 quake Mariana Islands Region (Northern Mariana Islands) 5 April 21:12 UTC

More info
Recorded aftershocks, latest first (289 quakes):
  • 23 Feb 1992 06:20 UTC
    | M 5.1 |
    98.4 km (61.1 mi) depth
    |
    240 km (149 mi) distance
    | USGS | Details
  • 20 Feb 1992 17:47 UTC
    | M 5.7 |
    44.5 km (27.7 mi) depth
    |
    354 km (220 mi) distance
    | USGS | Details
  • 02 Feb 1992 19:40 UTC
    | M 5.3 |
    114.7 km (71.3 mi) depth
    |
    202 km (125 mi) distance
    | USGS | Details
  • 06 Jan 1992 20:54 UTC
    | M 5.1 |
    43.5 km (27 mi) depth
    |
    153 km (95 mi) distance
    | USGS | Details
  • 21 Oct 1991 22:44 UTC
    | M 5.0 |
    181.7 km (112.9 mi) depth
    |
    294 km (183 mi) distance
    | USGS | Details
  • 19 May 1991 02:58 UTC
    | M 4.6 |
    42.9 km (26.7 mi) depth
    |
    65 km (40 mi) distance
    | USGS | Details
  • 18 May 1991 03:43 UTC
    | M 4.9 |
    76.9 km (47.8 mi) depth
    |
    345 km (214 mi) distance
    | USGS | Details
  • 17 May 1991 21:34 UTC
    | M 5.0 |
    106.3 km (66.1 mi) depth
    |
    369 km (229 mi) distance
    | USGS | Details
  • 07 May 1991 02:17 UTC
    | M 4.5 |
    76.1 km (47.3 mi) depth
    |
    136 km (84 mi) distance
    | USGS | Details
  • 04 May 1991 21:28 UTC
    | M 5.5 |
    116 km (72.1 mi) depth
    |
    322 km (200 mi) distance
    | USGS | Details
  • 14 Apr 1991 14:27 UTC
    | M 4.1 |
    33 km (20.5 mi) depth
    |
    317 km (197 mi) distance
    | USGS | Details
  • 11 Apr 1991 02:13 UTC
    | M 4.0 |
    33 km (20.5 mi) depth
    |
    14 km (9 mi) distance
    | USGS | Details
  • 02 Apr 1991 23:54 UTC
    | M 4.6 |
    33 km (20.5 mi) depth
    |
    346 km (215 mi) distance
    | USGS | Details
  • 23 Mar 1991 19:44 UTC
    | M 4.3 |
    25.9 km (16.1 mi) depth
    |
    364 km (226 mi) distance
    | USGS | Details
  • 13 Mar 1991 19:13 UTC
    | M 4.9 |
    123.4 km (76.7 mi) depth
    |
    287 km (178 mi) distance
    | USGS | Details
  • 10 Mar 1991 18:16 UTC
    | M 4.0 |
    33 km (20.5 mi) depth
    |
    289 km (180 mi) distance
    | USGS | Details
  • Show all

Earlier earthquakes in the same area

Major magnitude. 7.6 earthquake - Mariana Islands Region (Northern Mariana Islands) on Thursday, 5 April 1990 at 21:12 (GMT)
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