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L.A. ranked riskiest place for natural disasters in U.S.


The top 10 counties on the FEMA index include three in Southern California.

(AP) The Federal Emergency Management Agency has calculated the risk for every county in America for 18 types of natural disasters, including earthquakes, hurricanes, tornadoes, floods, volcanoes and even tsunamis. And of the nation’s more than 3,000 counties, Los Angeles County earned the highest ranking in the National Risk Index.

Having lived her life in Los Angeles, Morgan Andersen knows natural disasters all too well. In college, an earthquake shook her home hard. Her grandfather was affected by recent wildfires in neighboring Orange County.

“It’s just that constant reminder, ‘Oh yeah, we live somewhere where there’s natural disasters, and they can strike at any time,’ ” said the 29-year-old marketing executive.

FEMA’s top 10 riskiest places, in addition to Los Angeles, are three counties in the New York City area — the Bronx, New York County (Manhattan) and Kings County (Brooklyn) — along with Miami, Philadelphia, Dallas, St. Louis and Southern California’s Riverside and San Bernardino counties.

The way FEMA calculates the index spotlights places long known as danger spots, such as Los Angeles. But there are also plenty of surprises.

For instance, East Coast cities such as New York and Philadelphia rank far higher in terms of the risk for tornadoes than Tornado Alley stalwarts Oklahoma and Kansas.
And the county with the biggest coastal flood risk is one in Washington state that’s not on the ocean, although its river is tidal.

Those seeming oddities occur because FEMA’s index goes beyond how often disasters strike. It also considers how many people and how much property are in harm’s way, how vulnerable the population is socially and how well the area is able to bounce back — in other words, how bad the toll would be.

That results in a high-risk assessment for big cities with lots of poor people and expensive property that are ill-prepared to be hit by once-in-a-generation disasters.
Take tornadoes. FEMA’s top five riskiest counties for twisters are two boroughs in New York City, Philadelphia, St. Louis and New Jersey’s Hudson County. The county that includes Oklahoma City — which has experienced more than 120 tornadoes since 1950, including one that killed 36 people in 1999 — ranks 120th.

The top five “are a low frequency, potentially high-consequence event because there’s a lot of property exposure in that area,” said Susan Cutter, director of the University of South Carolina Hazards & Vulnerability Research Institute, whose work FEMA relied on. “Therefore, a small tornado can create a large dollar loss.”

In New York, people are far less aware of the risk and less prepared — and that’s a problem, said Mike Grimm, a FEMA official who has specialized in risk management. The day before he said that, New York had a tornado watch. Days later, the National Weather Service tweeted that in 2020, several cities, mostly along the East Coast, had more tornadoes than Wichita, Kan.

In general, Oklahoma is twice as likely to get tornadoes as New York City, but the damage potential is much higher in New York because there are 20 times the people and nearly 20 times the property value at risk, FEMA officials said.

“It’s that risk perception that it won’t happen to me,” Grimm said. “Just because I haven’t seen it in my lifetime doesn’t mean it won’t happen.”
That sort of denial is especially true with frequent and costly flooding, he said. It’s also why only 4% of the population has federal flood insurance when about one-third may need it.

Disaster experts say people have to think about the big disaster that happens only a few times a lifetime at most but is devastating when it hits — Hurricane Katrina, Superstorm Sandy, the 2011 super outbreak of tornadoes, the 1906 San Francisco earthquake or a pandemic.

“We’re bad at taking seriously risks that happen only infrequently,” said David Ropeik, a retired Harvard risk communications lecturer and author of “How Risky Is It, Really?” “We simply don’t fear them as much as we fear things that are more present in our consciousness, more common. That’s … disastrous with natural disasters.”
Something like FEMA’s new index “opens our eyes to the gaps between what we feel and what is,” Ropeik said.

By the same measurement, Loudoun County, a Washington, D.C., outer suburb, has the lowest risk of any county, according to FEMA. Three other Washington suburban counties rank among the lowest risks for larger counties, along with suburban Boston, New York’s Long Island, suburban Detroit and Pittsburgh.

Some of FEMA’s risk rankings by disaster type seem obvious. Miami has the highest risk for hurricanes, lightning and river flooding. Hawaii County is tops in volcano risk and Honolulu County for tsunamis. Dallas ranks highest for hail, Philadelphia for heat waves and Riverside County for wildfires.

Himanshu Grover, a risk expert at the University of Washington, called FEMA’s effort “a good tool, a good start.” But he also said it had flaws, such as final scores that seem to downplay disaster frequency.

Ropeik added that the index didn’t seem to address how risks were changing due to climate change. FEMA officials said climate change showed up in flooding calculations and would probably be incorporated in future updates.

This new tool, based on calculations by 80 experts over six years, is about “educating homeowners and renters and communities to be more resilient,” Grimm said, adding that people shouldn’t move into or out of a county because of the risk rating.