Summary of the geologic history of Mt Hood volcano
The graphic has been taken from the USGS Open File Report 97-89 VOLCANO HAZARDS IN THE MOUNT HOOD REGION, OREGON.
More on VolcanoDiscovery:
Latest quakes in Greece
: Greece has a lot of earthquake activity, but most of them occur around the margin of the Aegean microplate. The Cycladic islands are located in its center and therefore seismically comparably quiet.
Photos from Italy
: Italy - the cradle of volcanology. Browse through various photo galleries mainly from its numerous volcanic areas - from Naples to Etna and the Eolian Islands and more.
Climbing Stromboli volcano
: Stromboli provides one of the most remarkable opportunities to watch volcanic eruptions from close: a natural ridge located 150 m above the active vents. A classic and all-time favorite tour by anyone interested in seeing active volcanoes!