I would walk - not run - to the nearest seismograph.

It is a common remark that men talk most who think least; just as frogs cease their quacking when a light is brought to the water-side.

I would walk - not run - to the nearest seismograph.

Most loss of life and property has been due to the collapse of antiquated and unsafe structures, mostly of brick and other masonry. ... There is progress of California toward building new construction according to earthquake-resistant design. We would have less reason to ask for earthquake prediction if this was universal.

The laboratory routine, which involves a great deal of measurement, filing, and tabulation, is either my lifeline or my chief handicap, I hardly know which.

Don't wait for extraordinary circumstance to do good; try to use ordinary situations.

As seismologists gained more experience from earthquake records, it became obvious that the problem could not be reduced to a single peak acceleration. In fact, a full frequency of vibrations occurs.