Volcano! Investigating plate tectonics, geologic time, and the rock cycleGeological Surveygeologist DavidUSGS headquartersOn May 18, 1980, at 8:32 a.m., United States Geological Survey (USGS) geologist David Johnston radioed a message to the USGS headquarters: "Vancouver, Vancouver, this is it!
(redirected fromstratovolcanoes) Also found in:Encyclopedia. Related to stratovolcanoes:Composite Cone strat·o·vol·ca·no (străt′ō-vŏl-kā′nō, strā′tō-) n.pl.strat·o·vol·ca·nos A volcano composed of steep, alternating layers of lava and pyroclastic material, such as ash. ...
In the mid-90s, the disaster movie experienced a revival thanks to the advancement of CGI technology, which made creating scenes of destruction on a massive scale far easier and more convincing than ever before; 1997 was the year of the volcano, seeing both the release of Universal's Dante'...
having a low viscosity and low water content. This type of magma primarily produces very fluid lava flows. Pressure does not tend to build up in inter-oceanic magma chambers; rather, their corresponding volcanoes tend to continuously ooze runny lava. This process...
In tectonic basins and rift valleys: Rift valleysAdditional Reading General works On an introductory level, Robert Decker and Barbara Decker, Volcanoes, 4th ed. (2005), emphasizes physical processes and the relationship of volcanoes to plate tectonics. Volcanoes, eruptions, hazards, and the benefits...
Earthquakes and volcanoes are both a result of plate tectonics. The Earth's surface is covered with a series of crustal plates that move in response to convection currents, produced by heat from the mantle and core. Geologists have concluded the formatio
It’s called plate tectonics. The Earth’s crust is made up of several plates that float on a layer of hot molten rock. These plates can move and drift apart, collide, or slide past each other. And when they do, it can cause earthquakes, tsunamis, and even create new mountains and ...
TRY: Learn about volcanos with this edible plate tectonics activity and layers of the earth model. Plus, check out more fun volcano facts for kids! Volcanoes are classified as dormant, active, and extinct. One of the most active volcanoes today is in Mauna Loa, Hawaii. Is it magma or la...
Classroom activities, lesson plans, projects, and many other educational resources are included in this USGS website. The resources are good for elementary, secondary, middle school, and university students.Teaching Plate TectonicsA good lesson plan that demonstrates plate tectonics through easy to ...
There have been no historical eruptions from this center, but morphology suggests an extremely young age for some lava flows, and the area displays vigorous thermal activity. The most prominent volcanic centers are Mounts Lamonai and Oiau, located about 10 km apart on the SW tip of Fergusson ...