What is the oceanic floor made of?
Regional SpecificsThe ocean floor itself is made of mafic rocks, the crystallized matter from silicate magma. … Minerals found under the seabed include gabbro, basalt, serpentine, peridotite, olivine and ore minerals from VMS. What type of rock is the ocean floor made of? basalt Ocean rocks and sediments The basement of the ocean basins is mostly
Is Crater Lake a volcano?
Regional SpecificsCrater Lake was formed by the fall of a volcano. Mount Mazama, a 12,000-foot-tall volcano, erupted and collapsed approximately 7,700 years ago, forming Crater Lake. Mount Mazama was an important symbol to the native Makalak people who lived in the surrounding areas. Is Crater Lake an active volcano? Although considered a dormant volcano, Crater Lake
How big of an earthquake can the San Andreas Fault produce?
Regional Specificsabout magnitude 8.3Earthquake Science Computer models show that the San Andreas fault is capable of producing earthquakes up to about magnitude 8.3. The fictional magnitude 9.6 that devastates San Francisco would be 90 times more intense overall than the largest earthquake possible (“only” a magnitude 8.3) on the San Andreas fault! How big is the
Is Hawaii prone to natural disasters?
Regional SpecificsHawaii is truly a paradise. However, the islands are vulnerable to certain kinds of natural disasters, such as flooding, hurricanes, tsunamis, lava flows and earthquakes. In March 2006, more than 30 days of torrential rain resulted in major damage from flooding, as well as serious public health issues. Which Hawaiian island is the safest from
Is the Colorado Plateau still rising?
Regional SpecificsKnown as the Laramide orogeny, this event caused widespread uplift, faulting, and folding throughout what is now the interior west of North America, and formed the modern Rocky Mountains. Though the Colorado Plateau is contained within the region deformed by the Laramide, it remained largely intact. When did the Colorado Plateau uplift? Uplift of the
What is the outer core pressure?
Regional Specifics1.3 to 3.3 million atmospheres135–330 GPa (from 1.3 to 3.3 million atmospheres). While the field resembles that of a bar magnet, the core is too hot to be magnetized in this way. What is the pressure of the outer core in psi? As we delve into Earth’s depths, temperatures and pressures rise quickly. At a