Earth Science Facts Practice 3.4

Mount Katmai

In 1912, the top of this Alaskan volcano collapsed when its magma chamber emptied out Novarupta's vent, forming a caldera (USGS image by Cyrus Read).

Mount Pinatubo

One of a chain of stratovolcanoes, this one erupted violently on a Pacific island in June of 1991 (USGS image).

Stromboli volcano

The term "strombolian eruption" is based on this Italian volcano that has erupted almost continuously for the past 2,400 years (USGS image by B. Chouet).

Mount Martin

This Alaskan volcano has been continuously active for at least 100 years.

Augustine volcano

This Alaskan volcano is a picture-perfect example of a stratovolcano (Alaska Volcano Observatory image by Dennis Anderson, Night Trax Photography).

Cleveland volcano

This Aleutian island volcano has been fairly active in recent years. The false-color image shows vegetated areas in red (AVO image by GeoEye, 2010).

Kilauea volcano

This Hawaiian shield volcano has been erupting continuously since 1983 (USGS image).

Krakatoa Volcano

This Indonesian volcano erupted in 1883, and its explosion is considered one of the loudest sounds ever recorded (public domain image drawn in the early 19th century, before it exploded)

Mount Etna

This International Space Station Image (Oct. 30, 2002) shows an active Italian volcano. The dark plume is the eruption, the lighter-colored smoke is a forest fire ignited by lava.

Mount Fuji

This Japanese stratovolcano has not erupted since 1708 (Wikipedia public domain image).

Novarupta volcano

This lava dome marks the site of the world's largest volcanic eruption in over 100 years (as of 2011)

Fernandina volcano

This volcanic island (in center) is the youngest of the Galapagos Island archipelago (NASA image).

Mount St Helens

This volcano exploded on May 18, 1980 at 8:32 a.m., and served as a great reminder that catastrophic events are the major shapers of earth's surface (USGS image by Bob Krimmel).

Karymsky

This volcano on eastern Russia's Kamchatka peninsula has been active since 1996 (2003 Image by Kamchatka Volcanic Eruption Response Team).

Popocatepetl

This volcano's Aztec name means "smoking mountain", and is situated 55 km east of Mexico City, Mexico. It is North America's 2nd highest volcano (Google Earth image looking West towards Mexico City).