Discover and read the best of Twitter Threads about #seismology

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Daily Bookmarks to GAVNet 11/16/2021 greeneracresvaluenetwork.wordpress.com/2021/11/16/dai…
Horse meat and blowfish chips for sale? Company makes chips with flavors of ‘banned’ foods

usatoday.com/story/money/fo…

#foods #flavors #production #marketing
Measuring progress in megawatt: Colonialism, development, and the “unseeing” electricity grid in East Africa

onlinelibrary.wiley.com/doi/10.1111/16…

#electrification #EastAfrica #colonialism #EconomicDevelopment #PostIndependence #NationalEconomies
Read 8 tweets
Seismic Shadow Zone - How do P & S waves give evidence for a liquid outer core? (THREAD) iris.edu/hq/inclass/ani… #earthquake #seismology @NSF_GEO
The concept of a seismic shadow zone as a global effect of an earthquake is an oversimplification that ignores a broad array of refracted, reflected and defracted seismic waves that propagate through the earth, as shown in this gif.
Let's focus on direct compressional P- and shearing S-waves. These are the body waves that take the most direct routes within the earth and create shadow zones.

An #earthquake sends P waves in all directions, refracting along boundaries with depth causing curving paths.
Read 10 tweets

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