Bernardo Carpio is a legendary figure in Philippine Mythology who is said to be the cause of earthquakes. There are numerous versions of this tale. Some versions say Bernardo Carpio is a giant, as supported by the enormous footsteps he has reputedly left behind in the mountains of Montalban. Others say he was the size of an ordinary man. However, all versions agree he had a strength that was similar to that of Hercules.