Magnitude 4.3 Earthquake Rattles North Bay Near Cloverdale
A magnitude 4.3 earthquake occurred near Cloverdale in the North Bay on Tuesday night, followed by a 2.5 magnitude aftershock.
San Francisco Oakland San Jose, CA, July 28, 2026 —
A magnitude 4.3 earthquake struck the North Bay region near Cloverdale on Tuesday night, according to geological monitoring agencies. The tremor occurred on Tuesday evening. Shortly after the initial quake, a smaller aftershock measuring 2.5 magnitude was also recorded in the same vicinity.
The epicenter of the earthquake was located near Cloverdale, a community in Sonoma County. The specific time of the main earthquake and the subsequent aftershock was not immediately available, but reports confirm the events took place on Tuesday night. Further details regarding the depth of the earthquake or the exact locations of its impact were not provided.
Earthquakes in California are common due to the state’s location along major fault lines, including the San Andreas Fault. The North Bay region, while not as seismically active as some other parts of the state, does experience seismic activity. Residents in the affected area may have felt the shaking associated with the magnitude 4.3 event.
Geological surveys typically monitor seismic activity to understand fault behavior and assess earthquake risks. Information about the specific geological fault responsible for this particular event was not released.
The occurrence of an aftershock is a common phenomenon following a significant earthquake. Aftershocks are smaller earthquakes that happen in the same area after a larger one, as the earth’s crust adjusts to the stresses created by the main event. The magnitude 2.5 aftershock indicates minor seismic adjustment following the primary 4.3 magnitude earthquake.
There were no immediate reports of significant damage or injuries associated with the earthquake or its aftershock. Emergency services typically assess the impact of seismic events following their occurrence.
Story summarized from the original created by KGO on abc7news.com, see more information here.
