Seismological cartoons

For many years I’ve been collecting cartoons about earthquakes, mostly from newspapers. I have some that go back to the early 20th century. A lot of them are depressingly similar. Many are simply variations on “shaken but not stirred” or “did the earth move for you?”. It’s a refreshing change to find one that actually makes a valid point – in this case about changes in the speed of information compared to seismic wave velocities. Back in the 1980s it was usually the seismologists who knew about a distant earthquake first. Then for a period, journalists would get the news before teleseisms reached our network, so the BBC would be phoning about an earthquake in Japan before we had the signals. Now, with automated global detection and alert networks, it’s once more the seismologists that know first – but only by a matter of seconds.

Anyway, here’s the carton:

Seismic waves (from xkcd)

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