California. Photograph: © SAF — Coastal Care
Excerpts;
The same tides that affect ocean waves can trigger earthquakes along California’s San Andreas Fault, and scientists unexpectedly find that these quakes are more likely to happen as tides are strengthening, not when they are at their strongest.
The rise and fall of the seas, tides are caused primarily by the gravitational pull of the moon and sun on Earth. These gravitational tugs not only influence the seas but also stone, alternately stretching and compressing Earth’s crust…
