It’s one of those dangers we rarely think about—until the ground starts shaking.

Earthquakes can strike suddenly, often without warning, and the impact can be serious depending on where you live.

While some areas are already known for their seismic activity, newly released research shows that many regions across the country could also face increased risk.


For anyone focused on safety—especially older adults living in areas with limited mobility or access to emergency services—being aware of your community’s vulnerability can help you plan ahead.

A new analysis from Home Gnome identified the US counties most at risk for earthquake-related damage in 2025, using data on seismic hazard, infrastructure, and local preparedness.

Which counties are most at risk?​

Major earthquakes throughout history have led to extensive destruction, posing serious risks to both people and property.

According to a 2023 report by the US Geological Survey (USGS) and FEMA, the United States faces an estimated $14.7 billion in building damage and related losses each year due to earthquakes.

The top 10 counties most vulnerable to earthquakes in 2025 include both expected and surprising locations.

California, known for its frequent seismic activity, makes up the majority of the list.

But other regions across the country also show elevated risk due to factors like population density, building age, and limited infrastructure support.


Here are the 10 counties most vulnerable to earthquakes this year:

1. San Francisco County, California – Scored highest overall due to extremely high seismic risk, dense population, and older buildings.
2. Los Angeles County, California – With the nation’s highest earthquake risk score, it also faces challenges from dense urban development.
3. Coos County, Oregon – Located along the Cascadia Subduction Zone, this area has both aging infrastructure and high seismic potential.
4. Shelby County, Tennessee – Home to Memphis, it’s near the New Madrid Seismic Zone, which experts say is overdue for a major quake.
5. Alameda County, California – Includes Oakland, with older homes and proximity to major fault lines.
6. Multnomah County, Oregon – Includes Portland; risk comes from seismic hazard and older housing stock.
7. San Mateo County, California – Located near multiple faults, with vulnerability tied to its housing and geography.
8. Oklahoma County, Oklahoma – Increased quake activity in recent years, along with infrastructure concerns, placed this county high on the list.
9. San Bernardino County, California – Vast area intersected by fault zones and older construction increases risk.
10. King County, Washington – Home to Seattle, which sits on the Seattle Fault and has a large urban population.

These counties were evaluated using FEMA seismic hazard data along with demographic and emergency readiness factors. Their placement reflects the combination of natural risk and how prepared each region may be to respond to a disaster.

Also read: Volcano alert: Is this Alaska volcano about to erupt?​

​

How the rankings were calculated​

Researchers assessed 206 counties previously marked by FEMA as high or very high risk. Each location received a score out of 100 across three main categories:

• Earthquake and infrastructure risk – Measures seismic hazard and resilience of buildings
• Financial and emergency preparedness – Looks at emergency response systems and rebuilding capacity
• Demographic vulnerability – Considers factors such as age, population density, and housing quality

The final scores were averaged to produce each county’s overall vulnerability rating.

Also read: Catastrophic tornadoes strike—are you prepared for the next one?​

​

What the experts are saying​

According to Christodoulos Kyriakopoulos of the University of Memphis' Center for Earthquake Research and Information, local geology and construction standards make a big difference.

Even if two areas face the same quake risk, the one with better seismic codes will likely suffer less damage.

Nicolas Barth, a geology professor at the University of California, Riverside, explained that Memphis’s high ranking comes from a mix of known seismic threats and underprepared infrastructure.

Meanwhile, experts are continuing to monitor small quake clusters—especially in Southern California.

Mark Benthien of the Southern California Earthquake Center noted that these events don’t always lead to major quakes, but they’re reminders to stay alert.

Also read: Crackdowns aren’t enough: A global threat continues to grow​

​

How you can prepare​

Whether or not your county made the top 10, it’s a good idea to be prepared.

Earthquakes don’t always give a warning, and being ready can make all the difference.

Here are some simple steps you can take:

1. Check your risk – Use resources like FEMA and USGS to see if your area is earthquake-prone.
2. Secure your home – Anchor tall furniture, water heaters, and other heavy items that could fall.
3. Create an emergency plan – Make sure your family knows where to meet and how to communicate during an emergency.
4. Build a supply kit – Include water, non-perishable food, flashlights, medication, and backup power if possible.
5. Stay informed – Sign up for local emergency alerts to receive updates if a quake occurs.

As we look ahead, staying informed and prepared can make a meaningful difference.

Whether you live in one of the highest-risk counties or not, taking simple steps to secure your home and plan for emergencies can help protect what matters most.

Awareness is the first step—action is what keeps us safe.

Read next: Trillions lost in a day–Wall Street plunges amid growing global tensions


Have you ever experienced an earthquake? What steps have you taken to prepare yourself and your home? Share your tips and experiences in the comments—we’d love to hear your insights and learn from one another.