Moderate mag. 5.9 earthquake - Tonga Islands on Tuesday, 28 October 2014

Strong mag. 6.0 earthquake - Tonga Islands on Tuesday, 28 October 2014 at 03:15 (GMT)

Strong mag. 6.0 earthquake  - Tonga Islands on Tuesday, 28 October 2014 at 03:15 (GMT)

Strong magnitude 6.0 earthquake at 10 km depth

28 Oct 03:25 UTC: First to report: GFZ after 9 minutes.
Oct 28 14:10: Magnitude recalculated from 5.8 to 6.0.
Date & time: 28 Oct 2014 03:15:40 UTC###AGESTRINGCOPY###
Magnitude: 6.0
Depth: 10.0 km
Epicenter latitude / longitude: 15.19°S / 174.77°W (Tonga)
Nearest volcano: Tafu-Maka (42 km / 26 mi)
Nearby towns and cities:
135 km (84 mi) NW of Hihifo (pop: 815)
261 km (162 mi) SE of Mata-Utu (Hahake, Wallis & Futuna) (pop: 1,200)
295 km (184 mi) SW of Asau (Samoa) (pop: 6,640)
331 km (206 mi) WSW of Mulifanua (Samoa) (pop: 4,510)
357 km (222 mi) WSW of Apia (Samoa) (pop: 40,400)
394 km (245 mi) NNW of Neiafu (pop: 4,320)
643 km (399 mi) ENE of Labasa (Fiji) (pop: 27,900)
663 km (412 mi) N of Nuku‘alofa (Nuku'alofa) (pop: 22,400)
Primary data source: GFZ
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
[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 6.010 kmTonga IslandsGFZ
M 6.135 km129km NW of Hihifo, TongaUSGS
M 6.0 kmTonga IslandsGeoAu

shake map
(shakemap: USGS)

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
American Samoa / Violent shaking (MMI IX) : My Family me please
Volcanoes & Earthquakes - new app for Android

Aftershocks of the 6.0 quake Tonga Islands 28 October 03:15 UTC

More info
Recorded aftershocks, latest first (2 quakes):
  • 20 Feb 2015 21:41 UTC
    | M 4.7 |
    544 km (338 mi) depth
    13 km (8 mi) distance
    | EMSC | Details
  • 14 Feb 2015 04:54 UTC
    | M 4.4 |
    144 km (89.5 mi) depth
    58 km (36 mi) distance
    | EMSC | Details

Earlier earthquakes in the same area

Strong mag. 6.0 earthquake - Tonga Islands on Tuesday, 28 October 2014 at 03:15 (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: