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University of Toronto researchers aim to improve access to high-quality research and biomanufacturing tools in resource-limited ...
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Ancient oceans began suffocating millions of years before Triassic mass extinction
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You Didn't Feel Continental Mantle Earthquakes, But They Happened. A Lot
A 1979 seismic event was a different kind of earthquake, and it is has intrigued scientists ever since.
A new look at old data has provided some additional answers.
On Feb. 24th, 1979, seismographs recorded a magnitude 3.8 earthquake under Randolph, Utah, located near the Idaho and Wyoming borders.
Yet no one felt a thing and the seismic data made no obvious sense. Because its focal depth was 50 miles below sea level, the hypocenter wasn't in Earth’s crust, it was well into the upper mantle.
A new look at old data has provided some additional answers.
On Feb. 24th, 1979, seismographs recorded a magnitude 3.8 earthquake under Randolph, Utah, located near the Idaho and Wyoming borders.
Yet no one felt a thing and the seismic data made no obvious sense. Because its focal depth was 50 miles below sea level, the hypocenter wasn't in Earth’s crust, it was well into the upper mantle.
Categories: Science 2.0
You Didn't Feel Continental Mantle Earthquakes, But They Happened. A Lot
You Didn't Feel Continental Mantle Earthquakes, But They Happened. A Lot
News Account
Fri, 05/29/2026 - 07:03
Categories
Geology
Categories: Science 2.0
You Didn't Feel Continental Mantle Earthquakes, But They Happened. A Lot
You Didn't Feel Continental Mantle Earthquakes, But They Happened. A Lot
News Account
Fri, 05/29/2026 - 07:03
Categories
Geology
Categories: Science 2.0