On Christmas Eve, a surfer from Santa Cruz rode a wave at Mavericks that witnesses say was over 100 feet tall, which would set a world record. But how do you reliably measure a wave?

A surfer in California might have beaten the world record for the biggest wave ever surfed on December 23, with one estimate placing it at 108 feet tall, substantially above the current 86-foot ...

The same storm that destroyed the Santa Cruz wharf may have also created the largest wave ever surfed — bringing the record to California.

At about 3:15 p.m. on Dec. 23, as a powerful winter swell raged on the California coast and left ... caught a towering wave at the Mavericks surf spot near Half Moon Bay that was recently ...