I was safe in Wales, but my friend Steve was 40 miles away in Oxford:
It was 6:02am this morning. I was awoken by the rattling of my house’s roof tiles and the creaking of the roof timbers.My immediate reaction was “That was a shock wave!” I knew that it had to be quite some way off because the shockwave lasted for at least a couple of seconds and hence had had time to disperse. I knew something big had happened but hadn’t deduced what.
…and continues at [www.livejournal.com] ; it’s an interesting exposition of what happens when a geek wakes up to a really really loud bang.
I wonder if it registered on seismometers, and what the TNT-tonne equivalent was, if an appreciable amount at all?
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