Unless it lands in the ocean in which case tidal waves, and if on land, probably...

ortusdux · 2025-01-29T16:38:28 1738168708

A comparable ocean impact would be the 2004 Indian Ocean earthquake, which was about 3x more energetic.

Gare · 2025-01-29T21:09:17 1738184957

I'd assume quakes transform much more energy into tsunami waves than meteorite hit does.

fghorow · 2025-01-29T23:58:13 1738195093

That is not correct.

Earthquakes' energy doesn't all go to displacing water and hence generating tsunamis. An ocean impact is significantly more efficient at transferring energy into tsunamis.

https://www.sciencedirect.com/science/article/abs/pii/B97804...

giantg2 · 2025-01-30T13:58:13 1738245493

Interesting, I would assume surface wave dissipation to counteract that compared to seabed origin.

cyberax · 2025-01-30T05:53:29 1738216409

2004 Indian Earthquake was 9.1-magnitude, so it was about 150 megatons of TNT.

ortusdux · 2025-01-30T14:56:21 1738248981

The USGS estimated 1.1×10^17 Newton-Meters of energy, which converts over to ~26Mt TNT.

https://web.archive.org/web/20100404013939/http://neic.usgs....