Featured Article Quiz #136
Silverthrone Caldera
#1 Where is the Silverthrone Caldera located?
In the Pacific Ranges of the Coast Mountains in British Columbia, Canada
In the Cascade Range of Washington state, USA
In Iceland’s Central Volcanic Zone
#2 Which rock types are included among the rocks of the Silverthrone Caldera?
Rhyolites, dacites, andesites, and basaltic andesites
Granite, gabbro, and basalt
Limestone, sandstone, and shale
#3 According to the text, what is the biggest possible risk from future eruptions of the Silverthrone Caldera?
To air traffic
A likely eruption will directly flood nearby settlements within minutes
A high probability of a tsunami reaching the Atlantic coast