Features formed from those igneous rocks that have reached or nearly reached the Earth's surface before solidifying. [Adapted from Glossary of Geology, 4th ed.]
Alexandria Digital Library Feature Type Thesaurus
Hawaiian Volcano Observatory spotlight images archive [ More info] Images of Hawaiian volcanoes and the islands they've built in the past few million years, images of recent eruptions, and Hawaiian landscapes.
Kilauea - eruption update and image archive [ More info] Current Kilauea eruption activity, updated daily with recent photos, maps, and deformation information and links to video for broadband users, photo glossary, and image archive.
Kilauea - perhaps the world's most active volcano [ More info] Current activity, hazards, and history of eruptions of Kilauea Volcano.
Kilauea--an Explosive Volcano in Hawaii [ More info] Explains how explosive eruptions occur here, shows the history of its eruptions, and describes the effects and hazards that accompany them.
Mauna Loa -- history, hazards and risk of living with the world's largest volcano [ More info] Describes volcano-related hazards on the Island of Hawaii, including lava flows, explosive eruptions, volcanic smog, damaging earthquakes, and tsunamis.
Mauna Loa current activity [ More info] Current activity of Mauna Loa Volcano with news, GPS data, electronic tiltmeter data, and current seismicity plus links to long term monitoring.
Mauna Loa, Earth's largest volcano [ More info] Current activity, hazards, and history of eruptions of Mauna Loa.
Monitoring data of the Long Valley caldera and Mono-Inyo Craters volcanic chain, California [ More info] Describes the monitoring effort and provides real-time data of the current restless activity of the caldera, including earthquakes, ground deformation, and release of volcanic gas and plus link to volcano monitoring techniques.
Most recent updates for U.S. volcanoes [ More info] Short descriptions of recent volcanic activity in the US.
Mount Rainier - Living Safely With a Volcano in Your Backyard [ More info] One of our Nation's most dangerous volcanoes, Mount Rainier has been the source of countless eruptions and volcanic mudflows, and many people live in the areas that will be affected by it.
Alphabetical Index of Topics
a b c d e f g h i j k l m n o p q r s t u v w x y z