* Astronomy

The 1968 Casiguran earthquake occurred on August 2, 1968 at a magnitude of 7.3 on the Richter scale. The earthquake's epicenter was located in Casiguran, Quezon (now part of Aurora province). This was deemed the most destructive earthquake in the Philippines prior to the 1990 Luzon earthquake, and generated a tsunami that reached as far as Japan.
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