earthquake early warning

A few days after Earling, marked seismic related patterns as unusual activities and an unusual event larger the last 5 years events on average was expected, M6.4 earthquake happened on December 20, 2022, in its anniversary in Ferndale, CA. The quake remained 2 death and tens of casualties. The temblor, which is the strongest earthquake the area has seen in years, also damaged infrastructure and cut off power to tens of thousands of homes and businesses around Humboldt County, about 250 miles north of San Francisco.

Fig 1. Largest recent and major earthquakes in the US; 2020 - Present, followed by Earling Earthquake Preparedness Alerts