Earth ChangesEarthquake swarm sends shockwaves rippling over 100 miles across California Posted on January 21, 2026 by Administrator A swarm of moderate earthquakes has struck California, sending shockwaves in all directions for over 100 miles. The US Geological Survey (USGS) detected the first and largest of the quakes at 4.10pm ET Tuesday afternoon between the cities of Willits and Ukiah, measuring 4.4 in magnitude.
