What was the worst earthquake in history?
Regional SpecificsGreat Alaska Earthquake (1964)– 9.2 It lasted approximately 4.5 minutes and is the most powerful recorded earthquake in U.S. history. The earthquake triggered 27-foot (8.2 meters) tsunami which destroyed the village of Chenega, killing 23 of the 68 people who lived there. Has there ever been a 10.0 earthquake? No, earthquakes of magnitude 10 or
How did Hope BC get its name?
Regional SpecificsHope was established 1848-49 as a Hudson’s Bay Company post at the western end of its Brigade Trail from Fort Kamloops (see KAMLOOPS), and was so named in the hope that this trail would provide an all-British route between forts Kamloops and LANGLEY. What is Hope BC known? Visitors can also take a self-guided tour
What does siltstone feel like?
Regional SpecificsWe cannot see the difference between these rocks, but it turns out that siltstone feels gritty when nibbled or rubbed against a tooth whereas claystones feel smooth. If you find a claystone, you know that it accumulated in a very quiet environment with almost still water. What is the texture of siltstone? Siltstone Type Sedimentary
What areas are susceptible to liquefaction?
Regional SpecificsThe highest hazard areas are concentrated in regions of man-made landfill, especially fill that was placed many decades ago in areas that were once submerged bay floor. Such areas along the Bay margins are found in San Francisco, Oakland and Alameda Island, as well as other places around San Francisco Bay. How do you know
What type of dating uses the law of superposition?
Regional SpecificsThe Law of Superposition, which states that older layers will be deeper in a site than more recent layers, was the summary outcome of ‘relative dating‘ as observed in geology from the 17th century to the early 20th century. Is the law of superposition absolute dating? Geologists use the law of superposition to determine the
How are the asthenosphere and the lithosphere different?
Regional SpecificsSummary. The lithosphere is the brittle crust and uppermost mantle. The asthenosphere is a solid but it can flow, like toothpaste. The lithosphere rests on the asthenosphere. What is the difference between the Earth’s lithosphere and asthenosphere quizlet? The lithosphere and the asthenosphere are both parts of a mantle and parts of the interior earth.