Forte terremoto magnitudine 6.2 - Tonga (Samoa), venerdì, 03 marzo 1978

Forte terremoto magnitudine 6.2 - Tonga (Samoa), venerdì, 03 marzo 1978

Strong magnitude 6.2 earthquake at 33 km depth

Data & ora: 3 Mar 1978 10:48:11 UTC
Magnitudine: 6.2
Profondità: 33.0 km
Epicentro latitudine / longitudine: 15.288°S / 173.517°W (Samoa)
Vulcano più vicino: West Mata (33 km / 21 mi)
Nearby towns and cities:
80 km NNE da Hihifo (Tonga) (pop: 815) --> Vedi sismi vicini
215 km SO da Vailoa (pop: 769) --> Vedi sismi vicini
218 km SSO da Asau (pop: 6,640) --> Vedi sismi vicini
227 km SO da Mulifanua (pop: 4,510) --> Vedi sismi vicini
236 km SO da Fasito‘outa (pop: 2,100) --> Vedi sismi vicini
237 km SSO da Safotu (pop: 1,210) --> Vedi sismi vicini
248 km SO da Apia (pop: 40,400) --> Vedi sismi vicini
260 km SO da Lufilufi (pop: 1,070) --> Vedi sismi vicini
319 km OSO da Tāfuna (Tualauta, Samoa americane) (pop: 11,000) --> Vedi sismi vicini
323 km OSO da Pago Pago (Ma'Oputasi, Samoa americane) (pop: 11,500) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 1.3 x 1014 joules (35 gigawatt hours, equivalent to 30089 tons of TNT or 1.9 atomic bombs!) More info
Show interactive Map
[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.
MagnitudineProfonditàUbicazioneFonte
M 6.233 kmTonga (Samoa)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!
Volcanoes & Earthquakes - new app for Android
verso l'alto
verso l'alto

Aftershocks of the 6.2 quake Tonga (Samoa) 3 March 1978 10:48 GMT

More info
Recorded aftershocks, latest first (14 quakes):
  • 04 Aug 1978 01:17 UTC
    | M 5.3 |
    33 km (20.5 mi) depth
    |
    66 km (41 mi) distance
    | USGS | Details
  • 01 Aug 1978 20:29 UTC
    | M 5.5 |
    33 km (20.5 mi) depth
    |
    20 km (13 mi) distance
    | USGS | Details
  • 27 Jul 1978 18:25 UTC
    | M 5.8 |
    33 km (20.5 mi) depth
    |
    61 km (38 mi) distance
    | USGS | Details
  • 27 Jul 1978 13:41 UTC
    | M 5.4 |
    33 km (20.5 mi) depth
    |
    45 km (28 mi) distance
    | USGS | Details
  • 21 Jul 1978 07:22 UTC
    | M 4.9 |
    33 km (20.5 mi) depth
    |
    37 km (23 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    18177 km (11295 mi) distance
    | | Details
  • 11 Jun 1978 14:27 UTC
    | M 6.2 |
    33 km (20.5 mi) depth
    |
    5 km (3 mi) distance
    | USGS | Strong mag. 6.2 earthquake - Tonga (Samoa) on Sunday, 11 June 1978 at 14:27 (GMT)
  • 30 May 1978 18:57 UTC
    | M 5.1 |
    38 km (23.6 mi) depth
    |
    66 km (41 mi) distance
    | USGS | Details
  • 13 May 1978 16:41 UTC
    | M 5.4 |
    33 km (20.5 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 11 May 1978 17:53 UTC
    | M 4.4 |
    333 km (206.9 mi) depth
    |
    55 km (34 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    18177 km (11295 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    18177 km (11295 mi) distance
    | | Details
  • 25 Apr 1978 17:01 UTC
    | M 4.4 |
    166 km (103.1 mi) depth
    |
    42 km (26 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    18177 km (11295 mi) distance
    | | Details

verso l'alto

Earlier earthquakes in the same area

Strong mag. 6.2 earthquake - Tonga (Samoa) on Friday, 3 March 1978 at 10:48 (GMT)
Volcanoes & Earthquakes - new app for Android
Why is there advertising on this site?

Support us - Help us upgrade our server!

We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
Our server is reaching its limits and we need financing to increase capacity in order to deal with huge activity peaks when quakes occur. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every penny counts and every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features and in upgrading our software, please make a donation (PayPal or Online cc payment).

Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Additional seismic data sources
  • Improved content in English
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you! With best regards from the VolcanoDiscovery team.
Copyrights: VolcanoDiscovery e da altre fonti come indicato.
Uso di materiale: 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.