on April 4, 2022
What is the composition of water on Earth?
Regional SpecificsThe total volume of water on Earth is estimated at 1.386 billion km³ (333 million cubic miles), with 97.5% being salt water and 2.5% being fresh water. Of the fresh water, only 0.3% is in liquid form on the surface. Is the Earth made of 75% of water? Viewed from space, one of the most
on April 4, 2022
Did San Leandro just have an earthquake?
Regional SpecificsWas there an earthquake right now in San Leandro? today: 2.1 in Hayward, California, United States. Was there an earthquake in Alameda just now? today: 2.3 in East Foothills, California, United States. this week: 3.6 in Corralitos, California, United States. this month: 4.1 in Soledad, California, United States. Was there an earthquake in San Leandro
on April 4, 2022
How many plates are in the lithosphere?
Regional SpecificsThe lithosphere is divided into huge slabs called tectonic plates. There are eight major plates and several smaller plates, including the North American, Caribbean, South American, Scotia, Antarctic, Eurasian, Arabian, African, Indian, Philippine, Australian, Pacific, Juan de Fuca, Cocos, and Nazca plates. What are the 4 lithospheric plates? eurasian. these 4 lithospheric plates form the
on April 4, 2022
What is hydrothermal fluid?
Regional SpecificsHydrothermal fluids are natural heated water solutions wherein variety of elements, compounds and gases may be dissolved. They are generated by diverse crustal and mantle geological processes including basinal fluid interaction, magmatic differentiation and mantle degassing. Where do hydrothermal fluids come from? Hydrothermal fluid forms as seawater are modified through interactions with heat and the
on April 4, 2022
Why is it easier to predict where an earthquake will occur than it is to predict when it will occur?
Regional SpecificsEarthquakes are the result of the release of stress/strain that builds up as Earth’s tectonic plates move and grind against each other. Although some regions around the world are definitely more prone to earthquakes than others, it is not possible to accurately predict exactly where or when earthquakes will occur. Which is easier to predict
on April 4, 2022
What does a continental rise look like?
Regional SpecificsA continental rise is a wide, gentle incline from a deep ocean plain (abyssal plain) to a continental slope. A continental rise consists mainly of silts, mud, and sand, deposited by turbidity flows, and can extend for several hundreds of miles away from continental margins. What happens at the continental rise? The continental rise is