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The 1977 Tonga earthquake took place on 23 June at 01:08:33 local time some 200 km southwest of Tongatapu, with shocks affecting all islands of the kingdom of Tonga. The earthquake measured 8.0 on the moment magnitude scale and had a maximum intensity of VIII (Severe) on the Mercalli intensity scale.
The earthquake caused considerable damage to the infrastructures and some fatalities in most Tongan islands,[3] with the most damage in Tongatapu and ʻEua and the least damage in Ha'apai and Vava'u.[4]
See also
References
- ^ a b c ISC (2017), ISC-GEM Global Instrumental Earthquake Catalogue (1900–2013), Version 4.0, International Seismological Centre
- ^ USGS (September 4, 2009), PAGER-CAT Earthquake Catalog, Version 2008_06.1, United States Geological Survey
- ^ a b "Earthquakes in Tonga". iisee.kenken.go.jp. Retrieved 10 September 2017.
- ^ M. D. Campbell; G. R. McKay; R. L. Williams (1977). "The Tonga earthquake of 23 June, 1977 – some initial observations" (PDF). Bulletin of the New Zealand National Society for Earthquake Engineering. 10 (4): 208–218. doi:10.5459/bnzsee.10.4.208-218.
Further reading
- Kruger-Knuepfer, J. L.; Hamburger, M. W.; Isacks, B. L.; Barazangi, M.; Kelleher, J.; Hade, G. (1986), Evaluation of seismic risk in the Tonga–Fiji–Vanuatu region of the southwest Pacific (PDF), A country report: Tonga
External links
- The International Seismological Centre has a bibliography and/or authoritative data for this event.
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