There are several types of volcanic eruptions. There are phreatomagmatic, magmatic, and phreatic eruptions where lava, tephra (lapilli, volcanic bombs, ash, and volcanic blocks), and assorted gases, shot into the the air from a volcanic vent. Some volcanoes might show just one characteristic type of eruption, while others may display an entire sequence of activities. …
Month: May 2018
A tsunami or tidal wave, is sometimes called a seismic sea wave. It’s a series of waves in the ocean. It’s often caused by the displacement of a large volume of water. This displacement of water can be caused by an earthquake, a volcanic eruption or some underwater nuclear device that causes a major shift …
A tropical cyclone, also called a hurricane, is a rapidly rotating, low-pressure, storm system with strong winds. It has a spiral arrangement of thunderstorms that produce heavy rains and depending on its location and strength, it may have a different name. Other names are hurricane in the USA, typhoon in Asia, tropical storm, cyclonic storm, …
A tornado is a column of air that rotates rapidly as it comes into contact with the Earth’s surface and a cumulonimbus cloud. In rare cases, the earth’s surface comes in contact with the base of a cumulus cloud. Other names are whirlwinds, twisters, or cyclones, depending on what part of the country you live …
An earthquake is also called: tremor, quake, or temblor. You know you’re in one of these earth movements when you experience shaking of the surface of the Earth. This occurs because of a quick release of energy in the Earth’s lithosphere which creates “seismic waves.” What to do during an earthquake at home to survive …