Tsunami Warning for San Francisco After Massive Earthquake Shakes Region

A 7.0-magnitude earthquake jolted Northern California on Wednesday morning, sending waves of panic across coastal communities from Oregon to the San Francisco Bay Area. The quake, which struck at 10:44 a.m. local time, was centered roughly 40 miles west of Petrolia, a small, remote town in Humboldt County.

The U.S. Geological Survey (USGS) quickly confirmed the quake’s magnitude, prompting the National Tsunami Warning Center to issue a dire warning for the Pacific coastline stretching from Florence, Oregon, to Davenport, California. Residents were urged to seek higher ground immediately.

“This is not a drill. A tsunami with significant inundation is possible,” the initial alert warned. “Tsunamis are a series of waves that can remain dangerous for hours. The first wave may not be the largest.”

Mass Panic and Swift Evacuations

In the San Francisco Bay Area, fear rippled through the densely populated region. Residents received emergency alerts on their phones, warning them to evacuate. Crowds gathered at Fort Mason, a waterfront site overlooking the Pacific, anxiously waiting for the dreaded wave.

Meanwhile, in Berkeley, city officials issued an urgent evacuation order for residents in West Berkeley.

“Tsunami coming to West Berkeley. EVACUATE NOW. Stay east of 7th St. This is a lawful order. Immediate threat to life,” the citywide alert declared.

The Bay Area Rapid Transit (BART) system suspended operations through the transbay tube connecting San Francisco and Oakland as a precaution.

At the San Francisco Zoo, staff moved swiftly to evacuate visitors and secure animals. “We were prepared for the worst,” said a zoo spokesperson. “Thankfully, we had time to act.”

Governor Newsom Activates Emergency Procedures

Governor Gavin Newsom wasted no time in responding. “We are activating state emergency protocols and closely monitoring the situation,” his office confirmed in a statement.

Power outages swept through Humboldt County, leaving more than 10,000 residents in the dark, according to utility tracking sites.

Despite the initial chaos, no immediate reports of injuries or significant structural damage surfaced. However, the psychological toll was evident as residents recalled the devastating 7.1 Ridgecrest earthquake in 2019, one of only a dozen 7.0 or higher quakes in California’s recorded history since 1857.

Tsunami Threat Withdrawn

At 11:54 a.m., just over an hour after the initial quake, the National Weather Service lifted the tsunami warning.

“The threat has passed. Do not re-enter hazard zones until local officials declare it safe,” the updated advisory read.

Relief washed over residents, but many remained shaken by the near miss. “We felt the ground sway—it was terrifying,” said Jessica Romero, a resident of Eureka. “We were bracing for a disaster that, thankfully, didn’t come.”

As the dust settled, experts reiterated the need for continued vigilance in earthquake-prone California. “Today was a reminder of how unpredictable nature can be,” said Dr. Alan Cheng, a seismologist with the USGS. “Preparation is key.”

A History of Quakes

California sits atop the infamous San Andreas Fault, making it one of the most seismically active regions in the world. The last quake of this magnitude in Northern California occurred in 1992, also near Petrolia, known as the Cape Mendocino earthquake. It triggered a small tsunami and caused millions in damage.

Today’s event will serve as yet another chapter in the state’s long history with earthquakes—an ever-present reminder that, in California, the ground beneath your feet can shift in an instant.

This is a developing story. Updates will be provided as more information becomes available.