Earthquake swarms

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985530%3A_____%2F15%3A00450044" target="_blank" >RIV/67985530:_____/15:00450044 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Earthquake swarms
Original language description
We present a review of knowledge of earthquake swarms. They are sequences of numerous events closely clustered in space and time and do not have a single dominant mainshock. Earthquake swarms are observed worldwide, typically accompany volcanic activitybut also occur in intracontinental areas. Many swarms exhibit the b-value of the frequency-magnitude distribution 1, which is also a typical b-value for mainshock-aftershock sequences. Depths of swarm earthquakes range approximately between 2 and 20 km with the majority of swarm events located around 10 km and shallower. Earthquake swarms exhibit usually pronounced migration of the foci, particularly the swarms that are closely connected with intrusion of dikes. The source mechanisms signify that the swarm earthquakes are mostly shear-slips along a fault just as ordinary tectonic earthquakes. Triggering mechanisms and driving are mainly related to activity of pressurised hydrothermal fluids, magma injection, or dyke intrusion, and also
Czech name
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Czech description
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Project
<a href="/en/project/GAP210%2F12%2F2336" target="_blank" >GAP210/12/2336: Earthquake swarms and their triggering mechanisms in diverse tectonic environments (Bohemian Massif, Mid-Atlantic Ridge, Western Alps)</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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