Strong mag. 6.0 earthquake - Mariana Islands Region (Northern Mariana Islands) on Wednesday, 20 April 1966 at 16:26 (GMT)

Strong mag. 6.0 earthquake  - Mariana Islands Region (Northern Mariana Islands) on Wednesday, 20 April 1966 at 16:26 (GMT)

Strong magnitude 6.0 earthquake at 25 km depth

Date & time: 20 Apr 1966 04:26:19 UTC###AGESTRINGCOPY###
Magnitude: 6.0
Depth: 25.0 km
Epicenter latitude / longitude: 18.82°N / 147.221°E (Northern Mariana Islands)
Nearest volcano: Agrigan (163 km / 101 mi)
Nearby towns and cities:
172 km (107 mi) ENE of Pagan Village (Pagan Island) (pop: 50)
431 km (268 mi) NNE of Saipan (pop: 48,200)
461 km (286 mi) NNE of San Jose (pop: 15,000)
642 km (399 mi) NNE of Dededo Village (Guam) (pop: 44,900)
653 km (406 mi) NNE of Chalan Pago-Ordot Village (Guam) (pop: 6,820)
663 km (412 mi) NNE of Santa Rita Village (Guam) (pop: 7,500)
671 km (417 mi) NNE of Inarajan Village (Guam) (pop: 3,050)
Primary data source: USGS
Estimated released energy: 6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 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.
M 6.025 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 6.0 quake Mariana Islands Region (Northern Mariana Islands) 20 April 16:26 UTC

More info
Recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.

Earlier earthquakes in the same area

Strong mag. 6.0 earthquake - Mariana Islands Region (Northern Mariana Islands) on Wednesday, 20 April 1966 at 16:26 (GMT)
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