Definition of Volcanic foci. Meaning of Volcanic foci. Synonyms of Volcanic foci

Here you will find one or more explanations in English for the word Volcanic foci. Also in the bottom left of the page several parts of wikipedia pages related to the word Volcanic foci and, of course, Volcanic foci synonyms and on the right images related to the word Volcanic foci.

Definition of Volcanic foci

Volcanic foci
Volcanic Vol*can"ic, a. [Cf. F. volcanique, It. vulcanico.] 1. Of or pertaining to a volcano or volcanoes; as, volcanic heat. 2. Produced by a volcano, or, more generally, by igneous agencies; as, volcanic tufa. 3. Changed or affected by the heat of a volcano. Volcanic bomb, a mass ejected from a volcano, often of molten lava having a rounded form. Volcanic cone, a hill, conical in form, built up of cinders, tufa, or lava, during volcanic eruptions. Volcanic foci, the subterranean centers of volcanic action; the points beneath volcanoes where the causes producing volcanic phenomena are most active. Volcanic glass, the vitreous form of lava, produced by sudden cooling; obsidian. See Obsidian. Volcanic mud, fetid, sulphurous mud discharged by a volcano. Volcanic rocks, rocks which have been produced from the discharges of volcanic matter, as the various kinds of basalt, trachyte, scoria, obsidian, etc., whether compact, scoriaceous, or vitreous.

Meaning of Volcanic foci from wikipedia

- much lower (below 200 metres) along its eastern extent. The primitive volcanic foci responsible for the central mountainous area, consisted of the peaks:...
- much lower (below 200 metres) along its eastern extent. The primitive volcanic foci responsible for the central mountainous area, consisted of the peaks:...
- zone. Differential motion along the zone produces numerous earthquakes, the foci of which may be as deep as about 670 km (420 mi). The term was named for...
- Krakatau is the island and Rakata is the main volcanic cone on that island. But Krakatau is also used for the volcanic edifice as a whole, including all four...
- space and time. The Hochstaufen earthquake swarm in Bavaria, with 2-km-deep foci, is one of the rare examples where an indis****ble relationship between seismic...
- the gods of the underworld, infernal or chthonic gods, whose altars were foci, fire pits or specially constructed hearths. More common is a dualistic contrast...
- Early classic period, the Maya cities of Tikal and Kaminaljuyu were key Maya foci in a network that extended beyond the Maya area into the highlands of central...
- of organisms, the sizes of power outages, criminal charges per convict, volcanic eruptions, human judgments of stimulus intensity and many other quantities...
- view (40 arcmin unvignetted). Changing between the C****egrain and Nasmyth foci takes a matter of seconds and may be done during the night; switching to...
- seismogenic zone, the source region of megathrust earthquakes. During SSEs, LFE foci migrate along strike at the subduction interface in concert with the primary...