1. Moro Gulf earthquake (1976)
2. Luzon earthquake (1990)
3. Casiguran earthquake (1968)
4. Mindoro earthquake (1994)
5. Bohol earthquake (2013)
When examining indentations, document examiners may apply ash <span>to help reveal the indentations</span>
Scientists prove their hypothesis is true about Scientists can never "prove" their hypotheses are true, because some future experiment, possibly using new technology not currently available, might show the hypothesis to be false after all.