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The Mueller, Hooker and Tasman glaciers have continued to retreat rapidly in recent years. Notice the larger terminal lakes, the retreat of the white ice (ice free of moraine cover), and the higher moraine walls due to ice thinning. Photo. New Zealand glaciers have been retreating since 1890, with an acceleration of this retreat since 1920.
New Zealand Active Fault database The Greendale Fault is an active seismic fault situated in the Canterbury Plains in New Zealand 's South Island . The fault was previously unknown to geologists until 4 September 2010, as physical traces of the fault had been buried by gravel (alluvial deposits) during the last glaciation period.
South of New Zealand: 7.1 [88] 7.0: 12 km: 46.57°S: 165.08°E: Reportedly felt as far north as Hamilton. 24 December 2004: Macquarie Ridge: South of New Zealand: 8.1 [89] 35 km: 49.31°S: 161.35°E: 2004 Tasman Sea earthquake: 14 March 2005: W of New Zealand: Btw. Taranaki & Tasman: 6.4: 154 km: 40.17°S: 173.63°E: Felt strongly throughout ...
Franz Josef Glacier, as seen in 2011 New Zealand contains approximately 2900 glaciers over 1 hectare (2.5 acres) in size, almost all of them along the Southern Alps, the main divide of the South Island. This is down from around 3100 glaciers recorded in the late 1970s, due to ongoing changes to the Earth's climate. Roughly one-sixth of New Zealand's glaciers are over 10 hectares (25 acres) in ...
A magnitude 6.1 earthquake has struck New Zealand, just one day after a devastating cyclone forced a state of emergency across much of the country.. The quake occurred under the Cook Strait ...
The 1987 Edgecumbe earthquake measured 6.5 on the moment magnitude scale and struck the Bay of Plenty region of New Zealand at 1.42 pm on 2 March. [3] The hypocentre was at a shallow depth of 8 km.
GeoNet is a natural hazards monitoring system in New Zealand that monitors earthquakes, large landslides, volcanoes, tsunami, and movement of land.Earthquakes and other natural hazards are automatically listed on the GeoNet website and app, and app users are given notifications to be warned about natural hazards.
This is a primary reason why the specific class of glacial earthquakes was not discovered until 2003. [1] Additionally, glacial earthquakes differ from tectonic earthquakes by lasting longer; for example, a tectonic earthquake with a magnitude of 5 may last 5 seconds, while a glacial earthquake with a magnitude of 5 may last 30 seconds. [2]