An earthquake on May 22, 2026, caused multiple rockslides, damage to homes, and power outages. It was the largest earthquake on the Big Island since an unspecified earlier event.
The page compares M≥6 earthquakes for 50 random years in EVENTSET with the USGS catalog for the past 50 years, noting that the distributions are similar. The portfolio contains 10,000 buildings distributed globally.
Richard Allen directs the Berkeley Seismological Laboratory and specializes in earthquake alerting systems, including methods to detect earthquakes and issue warnings before shaking.
Gabriel Lotto received an MS in Computational and Mathematical Engineering from Stanford University in 2013. His thesis was published as Lotto and Dunham (2015).
Jeff Ellis is a licensed civil and structural engineer in California, Hawaii, and Illinois with 25 years of experience. He joined Simpson Strong-Tie in 2000.
