NettetA volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.. On Earth, volcanoes are most often found where tectonic plates are diverging or converging, and most are found underwater.For example, a mid-ocean ridge, such as … Nettet24. apr. 2024 · This may continue over a period of months or even years until such time as the pressure either breaks through the side of the volcano, forming a new secondary vent into which the magma passes, …
What Causes a Volcano to Erupt? Britannica
Nettet3. sep. 2024 · Shield Volcanoes. Shield volcanoes get their name from their shape—a huge shield laid on its side. Figure 8.23 shows the Mauna Loa Volcano. You can see that shield volcanoes do not have the steep mountainous sides of composite volcanoes. They have a very wide base and are much flatter on the top than composite volcano. Nettet24. feb. 2016 · About sixty volcanoes are actively erupting each year. Not all volcanoes erupt explosively. The style of eruption (quiet lava flows versus violent explosions of gases, ash, and debris) and frequency of … icarly 2009
6.2: Types of Volcanoes - Geosciences LibreTexts
Nettet22. nov. 2024 · A volcano is like a chimney that allows hot liquid rock, called magma, to flow from a layer within the Earth and erupt onto the surface. The magma can come … NettetWhen Volcanoes Erupt! - Dec 05 2024 "In graphic novel format, explores volcanic eruptions, including volcano formation, types of volcanoes, and the study of volcanoes"--Provided by publisher. 101 Amazing Facts about Volcanoes - Jul 12 2024 Did you know that animals can often sense when a volcano is going to erupt? Or that the force of an Nettet1st step. All steps. Final answer. Step 1/3. Ans-. Based on the field notes and rock samples, territory 1 appears to have a scoria cone volcano with ash and lapilli deposits. The absence of recent activity suggests a low risk for future eruptions, but the surrounding ash could pose a potential health hazard to any settlements in the area ... icarly 2007 online