THE RELATION BETWEEN EARTHQUAKES AND VOLCANOES IN THE SEA EDGE OF THE SOUTH MIDDLE OF VIETNAM IN THE LAST YEARS

Pham Van Thuc
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  • Pham Van Thuc Journal of Marine Science and Technology

DOI:

https://doi.org/10.15625/1859-3097/8/2/6300

Abstract

Eanhquake and volcano are two phenomenons of one geological process. They have a close relation and  both are link with deep tectonic faul zones. From June 2005 up to now a series of eaquakes with magnitude from 2.2 to 4.8 have occurred in the shell zone of South of Central Vietnam. They shook many region of which Ho Chi Minh city. The caution is that: these earthquakes occurred at the same area, where group of active volcanoes are locured.

At this area Hon Tro volcano group have empled several times, in 1880 - 1882, 1923 and later in 1928,  1978. The 1923 eruplion was most significant. It was well examined by scientists. The results of research  show that the heat flow there is high and reaches 335 mw/m2. The area is situated at the tectonic weak zone,  which cross cut by fault of Longitude 1090E and NE-SW tectonic faults. This situation makes the zone  sensible for eanhquake and volcano.

According to scientific  judgments the South of Central Vietnam coastal zone could suffer from earthquakes  of magnitudes M=5.5  maximum, intensity of VII. In the future the maximum magnitudes and intensity in  this region will not be larger than above level, however volcano like Hon Tro in 1923 can take place.

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Published

28-06-2008

How to Cite

Thuc, P. V. (2008). THE RELATION BETWEEN EARTHQUAKES AND VOLCANOES IN THE SEA EDGE OF THE SOUTH MIDDLE OF VIETNAM IN THE LAST YEARS. Vietnam Journal of Marine Science and Technology, 8(2). https://doi.org/10.15625/1859-3097/8/2/6300

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