Strong mag. 6.1 earthquake - Pagan Region, Northern Mariana Islands, on Tuesday, 14 April 1987 at 02:08 (GMT)

Strong mag. 6.1 earthquake  - Pagan Region, Northern Mariana Islands, on Tuesday, 14 April 1987 at 02:08 (GMT)

Strong magnitude 6.1 earthquake at 23 km depth

Date & time: 14 Apr 1987 02:08:13 UTC###AGESTRINGCOPY###
Magnitude: 6.1
Depth: 22.9 km
Epicenter latitude / longitude: 18.802°N / 146.951°E (Northern Mariana Islands)
Nearest volcano: Agrigan (135 km / 84 mi)
Nearby towns and cities:
147 km (91 mi) ENE of Pagan Village (Pagan Island) (pop: 50)
419 km (260 mi) NNE of Saipan (pop: 48,200)
449 km (279 mi) NNE of San Jose (pop: 15,000)
630 km (391 mi) NNE of Dededo Village (Guam) (pop: 44,900)
640 km (398 mi) NNE of Chalan Pago-Ordot Village (Guam) (pop: 6,820)
650 km (404 mi) NNE of Santa Rita Village (Guam) (pop: 7,500)
658 km (409 mi) NNE of Inarajan Village (Guam) (pop: 3,050)
Primary data source: USGS
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 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.
MagnitudeDepthLocationSource
M 6.123 kmPagan region, Northern Mariana IslandsUSGS
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 6.1 quake Pagan Region, Northern Mariana Islands, 14 April 02:08 UTC

More info
Recorded aftershocks, latest first (16 quakes):
  • 30 Apr 1987 14:23 UTC
    | M 4.7 |
    33 km (20.5 mi) depth
    |
    25 km (15 mi) distance
    | USGS | Details
  • 23 Apr 1987 08:22 UTC
    | M 4.3 |
    33 km (20.5 mi) depth
    |
    14 km (9 mi) distance
    | USGS | Details
  • 16 Apr 1987 08:46 UTC
    | M 4.4 |
    33 km (20.5 mi) depth
    |
    17 km (10 mi) distance
    | USGS | Details
  • 15 Apr 1987 23:19 UTC
    | M 4.4 |
    33 km (20.5 mi) depth
    |
    4 km (3 mi) distance
    | USGS | Details
  • 15 Apr 1987 21:56 UTC
    | M 4.9 |
    33 km (20.5 mi) depth
    |
    13 km (8 mi) distance
    | USGS | Details
  • 14 Apr 1987 19:10 UTC
    | M 4.0 |
    33 km (20.5 mi) depth
    |
    25 km (15 mi) distance
    | USGS | Details
  • 14 Apr 1987 08:06 UTC
    | M 4.4 |
    33 km (20.5 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 14 Apr 1987 06:10 UTC
    | M 5.7 |
    36.8 km (22.9 mi) depth
    |
    4 km (3 mi) distance
    | USGS | Details
  • 14 Apr 1987 05:21 UTC
    | M 5.1 |
    52.3 km (32.5 mi) depth
    |
    8 km (5 mi) distance
    | USGS | Details
  • 14 Apr 1987 04:35 UTC
    | M 4.7 |
    33 km (20.5 mi) depth
    |
    19 km (12 mi) distance
    | USGS | Details
  • 14 Apr 1987 03:53 UTC
    | M 5.1 |
    33 km (20.5 mi) depth
    |
    7 km (5 mi) distance
    | USGS | Details
  • 14 Apr 1987 03:51 UTC
    | M 4.9 |
    33 km (20.5 mi) depth
    |
    26 km (16 mi) distance
    | USGS | Details
  • 14 Apr 1987 03:11 UTC
    | M 5.0 |
    38.9 km (24.2 mi) depth
    |
    5 km (3 mi) distance
    | USGS | Details
  • 14 Apr 1987 03:04 UTC
    | M 4.9 |
    47.1 km (29.3 mi) depth
    |
    8 km (5 mi) distance
    | USGS | Details
  • 14 Apr 1987 02:44 UTC
    | M 4.4 |
    33 km (20.5 mi) depth
    |
    44 km (27 mi) distance
    | USGS | Details
  • 14 Apr 1987 02:25 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    22 km (14 mi) distance
    | USGS | Details

Earlier earthquakes in the same area since 1900

Strong mag. 6.1 earthquake - Pagan Region, Northern Mariana Islands, on Tuesday, 14 April 1987 at 02:08 (GMT)

Map of earlier quakes

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