Glossary entry

English term or phrase:

ice quake

Swedish translation:

isbävning

Added to glossary by Sven Petersson
Nov 15, 2012 22:13
11 yrs ago
English term

ice quake

English to Swedish Science Geology
Antarctica is the "continent most likely to be rocked by a form of cryoseism known as an ice quake".

I need the technically/scientifically correct term here.
Proposed translations (Swedish)
3 +1 isbävning
5 frostsprängning
Change log

Feb 4, 2014 15:50: Sven Petersson Created KOG entry

Proposed translations

+1
18 mins
Selected

isbävning

:o)
Peer comment(s):

agree Tine Andersen : Jag skulle också kalla det isbävning. Men det beror på vad precis är menad. Isbävning betäcknar en seismisk händelse utlöst genom glacialrörelser. Frostsprägning betecknar som beskriven ovan en seismisk event pga fryst vatten i berg eller jord.
119 days
Thank you very much!
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4 KudoZ points awarded for this answer. Comment: "Thanks!"
16 mins

frostsprängning

Från WP:

Frostsprängning är en mekanisk vittring där berget sönderdelas i mindre bitar.

Bland de mekaniska vittringsmekanismerna är frostsprängning den väsentligaste inom jordens kalla regioner och inom fjällområden. Vid frostsprängning tränger vatten in i genom sprickor och porer i berggrunden, den ökar vid frysning till is sin volym. Detta medför att sprickor vidgas och mineralkorn frigörs från berget.

A cryoseism, also known as a frost quake[1][2], may be caused by a sudden cracking action in frozen soil or rock saturated with water or ice.[3] As water seeps down into the rock, it freezes and expands, putting stress on surrounding rock. This builds up until it is relieved explosively in a cryoseism.[4]

Another form of cryoseism known as an ice quake, is a non-tectonic seismic event caused by sudden glacial movements, sometimes due to the formation of a thin veneer of liquid water under a glacier from surface melting. Usually, a glacier would stick to the rough bedrock, but the hydraulic pressure acts as a lubricant, allowing it to slide up to many metres at once.[5][6] This type of cryoseism can last for tens of minutes.[7]
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