I've started watching the earthquakes around the world, using an app called Earthquake Alert. I'm amazed at how many quakes in the high 3 to low 5 Richter Scale range occur at that depth. Did I read here that the DUMBs are at that depth? Also, all the quakes around Tonga are at that depth. Interesting?
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Yes, when you see a lot of earthquakes at 10 km (amongst other depths, I think 35km is another) that is usually an indication of DUMB action. We saw a bunch around Australia in the past few months, and all near big cities.
Why and how would these dumbs be so deep?? 6 to 20 miles is really down there!
20 miles… yeah that’s gotta be toasty haha