The one that grazed Russia a few years ago was estimated at 20 meters, and exploded with about 30 times the energy of the Hiroshima bomb. So at 38 meters .....
I wouldn’t want it landing on my yard. Or my town for that matter.
Back in high school, I wrote a paper for my science course, based mostly on J. E. Enever’s 1966 article in Analog Magazine “Giant Meteor Impact”, which described the effects of a large impact in the sea, and the likely effects on the climate.
Enever speculated on even larger impacts, with the impact of a Juno-esque body being “the recipe for instant Pasteurized planet”. I have been fascinated ever since, and of course Shomaker-Levy hitting Jupiter was amazing too...
Well it did break some windows and send some people to the hospital with cuts.