Search results
Results from the WOW.Com Content Network
World map of active volcanoes and plate boundaries Kīlauea's lava entering the sea Lava flows at Holuhraun, Iceland, September 2014. An active volcano is a volcano that has erupted during the Holocene (the current geologic epoch that began approximately 11,700 years ago), is currently erupting, or has the potential to erupt in the future. [1]
This glossary of geology is a list of definitions of terms and concepts relevant to geology, its sub-disciplines, and related fields. For other terms related to the Earth sciences , see Glossary of geography terms (disambiguation) .
This glossary of geography terms is a list of definitions of terms and concepts used in geography and related fields, including Earth science, oceanography, cartography, and human geography, as well as those describing spatial dimension, topographical features, natural resources, and the collection, analysis, and visualization of geographic ...
Today, about 500 million people live on or close to volcanoes, and while these geological wonders can be a hot spot for tourists they can pose many hazards to surrounding communities when they erupt.
List of volcanoes in Algeria; List of volcanoes in Cameroon; List of volcanoes in Cape Verde; List of volcanoes in Chad; List of volcanoes in the Comoros; List of volcanoes in the Democratic Republic of the Congo; List of volcanoes in Djibouti; List of volcanoes in Equatorial Guinea; List of volcanoes in Eritrea; List of volcanoes in Ethiopia
A volcanic eruption is essentially the only natural way for short-lived – less than a few years – gases like sulfur dioxide and water vapor to make it into the stratosphere.
Volcanoes are informally described as erupting, active, dormant, or extinct, but the definitions of these terms are not entirely uniform among volcanologists. The level of activity of most volcanoes falls upon a graduated spectrum, with much overlap between categories, and does not always fit neatly into only one of these three separate categories.
People watch and record images of lava from the Mauna Loa volcano Thursday, Dec. 1, 2022, near Hilo, Hawaii. (AP Photo/Gregory Bull) After Mauna Loa, also known as the world's largest active ...