3 ms·
Fancy! I spent a while studying them back in the day. Not too much use here in the UK - the worst earthquakes here sometimes wake people up but not much else.
by gerdesj 4y ago
Fancy!
I spent a while studying them back in the day. Not too much use here in the UK - the worst earthquakes here sometimes wake people up but not much else. In that regard we are exceedingly lucky.