Strong mag. 6.3 earthquake - Mariana Islands Region (Northern Mariana Islands) on Sunday, 30 August 1998 at 01:48 (GMT)

Strong mag. 6.3 earthquake  - Mariana Islands Region (Northern Mariana Islands) on Sunday, 30 August 1998 at 01:48 (GMT)

Strong magnitude 6.3 earthquake at 33 km depth

Date & time: 30 Aug 1998 01:48:08 UTC###AGESTRINGCOPY###
Magnitude: 6.3
Depth: 33.0 km
Epicenter latitude / longitude: 17.092°N / 148.133°E (Northern Mariana Islands)
Nearest volcano: Guguan (244 km / 152 mi)
Nearby towns and cities:
277 km (172 mi) ESE of Pagan Village (Pagan Island, Northern Islands) (pop: 50)
329 km (204 mi) NE of Saipan (pop: 48,200)
358 km (222 mi) NE of San Jose (Tinian) (pop: 15,000)
450 km (280 mi) NE of Dugi Village (Rota)
532 km (330 mi) NE of Dededo Village (Guam) (pop: 44,900)
543 km (338 mi) NE of Chalan Pago-Ordot Village (Chalan Pago Ordot, Guam) (pop: 6,820)
555 km (345 mi) NE of Santa Rita Village (Agat, Guam) (pop: 7,500)
559 km (347 mi) NE of Inarajan Village (Guam) (pop: 3,050)
Primary data source: USGS
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 6.333 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 6.3 quake Mariana Islands Region (Northern Mariana Islands) 30 August 01:48 UTC

More info
Recorded aftershocks, latest first (7 quakes):
  • 03 Sep 1998 05:49 UTC
    | M 3.9 |
    33 km (20.5 mi) depth
    |
    45 km (28 mi) distance
    | USGS | Details
  • 02 Sep 1998 12:22 UTC
    | M 3.5 |
    35.8 km (22.2 mi) depth
    |
    20 km (13 mi) distance
    | USGS | Details
  • 01 Sep 1998 13:16 UTC
    | M 3.8 |
    36.5 km (22.7 mi) depth
    |
    17 km (10 mi) distance
    | USGS | Details
  • 31 Aug 1998 14:38 UTC
    | M 3.4 |
    33 km (20.5 mi) depth
    |
    31 km (19 mi) distance
    | USGS | Details
  • 31 Aug 1998 13:14 UTC
    | M 3.9 |
    33 km (20.5 mi) depth
    |
    27 km (17 mi) distance
    | USGS | Details
  • 31 Aug 1998 10:44 UTC
    | M 4.7 |
    33 km (20.5 mi) depth
    |
    9 km (5 mi) distance
    | USGS | Details
  • 30 Aug 1998 21:09 UTC
    | M 4.7 |
    33 km (20.5 mi) depth
    |
    7 km (4 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Strong mag. 6.3 earthquake - Mariana Islands Region (Northern Mariana Islands) on Sunday, 30 August 1998 at 01:48 (GMT)
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