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Magnitude 8.0 earthquake, 75km SSE of Lagunas, Peru

earthquake.usgs.gov

11–13 of 13 posts

Re: Magnitude 8.0 earthquake, 75km SSE of Lagunas, Peru

#11

Post by dghughes » Sun, May 26, 2019, 4:20 PM UTC

jeffm3 wrote: post #4

8.0+ earthquakes are quite unique, there's on average only one 8.0+ earthquake per year. [1] [1] https://earthquake.usgs.gov/earthquakes/browse/stats.php

I can't even comprehend the amount of energy required for an 8.0M earthquake.

From searching it seems an 8.0M earthquake is equivalent to a nuclear explosion of 6,270,000 tons of TNT but a 7.0M is 199,000 tons of TNT.

Re: Magnitude 8.0 earthquake, 75km SSE of Lagunas, Peru

#12

Post by audi0slave » Sun, May 26, 2019, 4:50 PM UTC

dghughes wrote: post #11

jeffm3 wrote: post #4

8.0+ earthquakes are quite unique, there's on average only one 8.0+ earthquake per year. [1] [1] https://earthquake.usgs.gov/earthquakes/browse/stats.php

I can't even comprehend the amount of energy required for an 8.0M earthquake. From searching it seems an 8.0M earthquake is equivalent to a nuclear explosion of 6,270,000 tons of TNT but a 7.0M is 199,000 tons of TNT.

yes, it's log scale

Re: Magnitude 8.0 earthquake, 75km SSE of Lagunas, Peru

#13

Post by Shorel » Sun, May 26, 2019, 6:29 PM UTC

Alarms in the building woke me up at 2:41 AM and the doors were shaking, so we evacuated the apartment buildings and only returned after half an hour.

I live in Bogotá, Colombia, about 1200 kilometers away from the epicentre.

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