Extreme events in the sub-Antarctic

Extreme physical events, excluding meteorological events, can be divided into two broad categories — endogenous and exogenous. Endogenous phenomena include earthquakes, landslides, tsunami, volcanic or gas hydrate eruptions that occur within the region but may have both local and distant impacts; th...

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Bibliographic Details
Published in:Papers and Proceedings of the Royal Society of Tasmania
Main Author: Quilty, PG
Format: Article in Journal/Newspaper
Language:English
Published: 2012
Subjects:
Royal Society of Tasmania
RST
Van Diemens Land
natural history
science
ecology
taxonomy
botany
zoology
geology
geography
papers & proceedings
Australia
sub-Antarctic
volcanic eruptions
earthquakes
landslides
gas hydrates
asteroid/meteorite impacts
space weather
Antarctic
Antarc*
Macquarie Island
Online Access:https://eprints.utas.edu.au/22526/
https://eprints.utas.edu.au/22526/7/07%20Quilty.pdf
Description
Summary:Extreme physical events, excluding meteorological events, can be divided into two broad categories — endogenous and exogenous. Endogenous phenomena include earthquakes, landslides, tsunami, volcanic or gas hydrate eruptions that occur within the region but may have both local and distant impacts; the 2011 Puyehue-Cordon Caulle volcanic eruption, and the frequent major earthquakes along the Chile margin or near Macquarie Island are examples. Exogenous events are those originating outside the area but influencing it. These include the terminal Cretaceous asteroid impact, asteroid/meteorite impacts, such as the major Eltanin Asteroid impact 2.5 million years ago, and extraterrestrial-sourced radiation from extreme solar/galactic or extra-galactic events in which the effect is not confined to the sub-Antarctic but is global.

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