Major mag. 7.3 earthquake - Mariana Islands Region on Sunday, 22 January 2017 - information

Major magnitude. 7.3 earthquake - Mariana Islands Region on Sunday, 22 January 2017 at 04:32 (GMT)

Major magnitude. 7.3 earthquake  - Mariana Islands Region on Sunday, 22 January 2017 at 04:32 (GMT)

Major magnitude 7.3 earthquake at 10 km depth

22 Jan 04:48 UTC: First to report: GFZ after 16 minutes.
Jan 22 04:54: Magnitude recalculated from 7.2 to 7.3.
Date & time: 22 Jan 2017 04:32:03 UTC###AGESTRINGCOPY###
Magnitude: 7.3
Depth: 10.0 km
Epicenter latitude / longitude: 14.85°N / 141°E (international territory)
Nearby towns and cities:
428 km (266 mi) WNW of Santa Rita Village (Guam) (pop: 7,500)
434 km (270 mi) WNW of Chalan Pago-Ordot Village (Guam) (pop: 6,820)
440 km (273 mi) WNW of Dededo Village (Guam) (pop: 44,900)
441 km (274 mi) WNW of Inarajan Village (Guam) (pop: 3,050)
497 km (309 mi) W of San Jose (Northern Mariana Islands) (pop: 15,000)
512 km (318 mi) W of Saipan (Northern Mariana Islands) (pop: 48,200)
625 km (388 mi) SW of Pagan Village (Pagan Island, Northern Mariana Islands) (pop: 50)
671 km (417 mi) NNE of Colonia (Yap, Micronesia) (pop: 7,370)
Primary data source: GFZ
Estimated released energy: 5.6 x 1015 joules (1562 gigawatt hours, equivalent to 1.3 x 106 tons of TNT or 84 atomic bombs!) More info
[smaller] [bigger]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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 7.310 kmMariana Islands RegionGFZ

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
2341.4 km NNW of epicenter [Map] / Strong shaking (MMI VI) (reported through our app)
Volcanoes & Earthquakes - new app for Android

Aftershocks of the 7.3 quake Mariana Islands Region 22 January 04:32 UTC

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

Earlier earthquakes in the same area

Major magnitude. 7.3 earthquake - Mariana Islands Region on Sunday, 22 January 2017 at 04:32 (GMT)
Volcanoes & Earthquakes - new app for Android

More on VolcanoDiscovery

Why is there advertising on this site?

Support us!

Maintaining the website and our free apps is a time- and cost-intensive effort.
If you find the information useful and would like to support our team to develop further features and get the upgraded ad-free version, consider making a donation (PayPal or Online cc payment).
Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
Thanks to your past donations, these features have been added recently:
  • Earthquake archive back to 1900
  • Additional data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.
Home | Travel | Destinations | Volcanoes | Photos | Earthquakes | About | Glossary | News | Contact | Privacy | Imprint || Français | Deutsch
Follow us: