DRRR Flashcards
(29 cards)
A rupture in the crust
Volcanic eruption
Stream light flows
Lava flow
Few cm/hr
Silicic flow
Several cm/hr
Basaltic flow
Another meaning of ash fall
Tephra
This showers airborne
Ash fall
Material mix with hot gases
Pyroclastic and surges
How many degrees material mix and hot gases
200-900°c
Human health effect of proclastic and surges
Asphyxiation
Rapidly flowing
Lahar
Hydorgen sulfidbb
Volcanic gases
Lethal to people
Sulfear dioxide
Hazards to people and animal
Hydrogen fluoride
Materials ejected
Balistic project tiles
Another term for small tsunami
Seiches
EDM
Electric distance meter
What is electric distance meter
It measure millimiter changes on the ground of volcano
GPS
Global positioning system
What is global positioning system
It installed around the volcano
-it compares before and after of volcano
increase in number of volcanic earthquakes
Seismic activity
To detect earthquake
Seismometer
Gas and water temperature
Geochemistry
There is changes in temperature-becomes hotter
Water-becomes acidic
Thermometer
Thermocouple
Ph meter
It measures gas being emitted by the volcano
X-ray fluorecents/XRF