Head up folks—Taiwan’s annual 9/21 disaster drills are scheduled tomorrow (i.e. on Monday September 21). Among other things:
text message will be sent to people’s mobile phones at 9:21 a.m., warning them to “duck, take cover and then hold still,” the [Ministry of the Interior] said in a Facebook post Sunday.
A tsunami warning will also be tested, with sirens sounding across the country between 10 a.m. and 10:10 a.m., the ministry said.
I think the highest recorded quake ever is a 9.5 (and the distant second is a 9.2), so a 10.0 on the Richter scale would probably be a Press F for everyone living on this island (and Hong Kong, Macau, Japan, Korea, Shanghai, etc. would probably get hit bad too).
Oh yeah, 10 is seriously catastrophic; according to the USGS, it’s not possible (no fault is large enough), but I guess the study discussed in The Japan Times has a different opinion.
I vaguely recall an article discussing theoretical causes of even bigger “quakes”; the asteroid that took out the dinosaurs would have been around 12. I think around 16-17 the Earth becomes an asteroid belt. But causes of anything like that are coming from the skies, not from under our feet.
Ha, terrifying quote from the article about the Dino-killer: “As a geophysicist later put it to Brannen, ‘a magnitude 11 to 12 earthquake at any one location would feel like a magnitude 9 earthquake everywhere else on the planet.’”
My (fantastic!) grade 7 teacher, Mr. Smith, was obsessive about including units after numbers and would often fail us for test questions if we forgot to include “cm2” or whatever at the end. I think it speaks well of him that he successfully trained me to have the same obsession!
Am I missing an easy way to do superscript, or is a joke whooshing over my head? If we said the area of the circle was 5.7, we’d lose lots of points for that question. He wanted us to write 5.7 cm2, centimeters squared. (Edit: yeah, what Marco said.)