SAN FRANCISCO (CBS / AP) — Soon after the lunch plates stopped rattling and books stopped thumping to the floor, shaken easterners could hear another sound from Tuesday’s magnitude-5.8 quake: snickering emanating from the opposite side of the continent.

“I watched some videos of people reacting, and sorry to say, they are pretty darn funny,” wrote Rob Chapman on the CBS 5 Facebook page.

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CBS 5 spoke to Veronica Cummings, of the University of California’s DC program, on Skype. She described the “overreaction” that she witnessed.

“If you watch any type of national news, you would think that Washington, DC was a rubble of buildings,” she said.

“Really all this excitement over a 5.8 quake??? Come on East Coast, we have those for breakfast out here!!!!” wrote Dennis Miller, 50, a lifelong California resident whose house in Pleasanton sits on an earthquake fault line.

He said he’s had a number of people click “like” on his post on Facebook — all of them from the West Coast, though.

“I haven’t heard from anyone on the East Coast because they are probably still sitting under their kitchen tables,” Miller said in an interview, with a laugh.

Miller added, “I wouldn’t even wake up to a 5.8 if I was asleep.”

>>Photos: East Coast Earthquake Damage

>>CBS News Coverage of East Coast Earthquake

On Twitter and Facebook and over email, people circulated a photo of a table and four plastic lawn chairs in a serene garden setting. One of the chairs flipped on its back. The mock image carried the title “DC Earthquake Devastation.”

All the more laughable for some were the images of people fleeing buildings—the exact opposite of what you’re supposed to do in a quake.

“Hey East Coast, the entire West Coast is mocking you right now,” tweeted Todd Walker, an Anchorage TV anchorman.

The tough earthquake talk comes from a coast that is apparently jaded by its own seismic activity—or perhaps not as experienced as it imagines itself to be.

Tuesday’s quake was the East Coast’s largest since 1944. California alone has seen 35 quakes of that size since then, and since Japan’s massive 9.0 quake on March 11, that country has experienced 93 aftershocks that registered more than magnitude-6.0.

The flippancy partly disguises how serious the quakes are taken in California, Alaska and other earthquake-prone parts of the country.

Many West Coast residents are trained to dive under desks and tables when the shaking starts and there is a recognition that temblors of similar size to the one that hit Virginia have caused deaths and millions of dollars of damage here.

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Despite the frequency of middling temblors, many people haven’t experienced a truly earth-shaking quake. The last major metropolitan-scale disaster was all the way back in 1994, when the magnitude-6.7 Northridge quake ravaged greater Los Angeles.

Joanne Razo, a legal assistant who lives in Washington, D.C., has lived through an earthquake in Los Angeles and said she knows that a 5.8-quake is mild by West Coast standards. But for her, the scary part was not the ground shaking but that “this area is not equipped to handle anything like this.”

Andrew Lakoff, a University of Southern California anthropology and sociology professor who studies cultural responses to disasters, said West Coasters seemed to be reacting to scenes of East Coasters losing their cool over the quake. In California, where there is firsthand knowledge of what large quakes look like, something magnitude-5.9 is a relatively minor threat.

“A perverse consequence of living with the ongoing specter of catastrophe is this sense of pride,” he said.

Marcus Beer, a video game critic who moved to Los Angeles in 2002 after growing up in the seismically stable British nation of Wales, said he didn’t unleash his own smart-alecky tweet about the quake until he saw that it hadn’t caused any major damage or harm.

He said he was amused by how much media attention was being seized by a quake of a size that—barring serious damage—would prompt little more than a few nervous chuckles on the West Coast.

“For me, it was just ironic that the major news centers being based on the East Coast finally got hit by what we consider a temblor and it’s, ‘Oh my God!”’ Beer said. “We get those all the time, and we’re so used to them.”

Some East Coasters seemed to understand the eye-rolling from the West Coast. On Foursquare, a service that lets people tell others where they’ve been, users all over the East Coast checked in to made-up locations such as “Earthquakepocalypse,” just as they checked in to “Snowpocalypse” during winter storms.

Sarah Atkinson, a manager for a marketing firm in San Jose, was unimpressed by all the excitement.

“5.9? That’s what us Californians use to stir our coffee with,” she tweeted.

Stellamarie Hall, who works for a marketing agency in San Francisco, suddenly saw her Facebook page explode with, as she put it, “East Coast people freaking out.” Her company’s East Coast office, meanwhile, sent out a companywide alert that travel might be affected.

“We were laughing but we definitely understand that New York and certain metropolitan areas are not designed around earthquakes,” said Hall, 26.

Hall, who was born and raised in San Francisco, has lived through several earthquakes, big ones like the 1989 Loma Prieta quake that killed dozens of people and small ones that happen several times a year.

“We’re accustomed to rumblings,” she said.

Of course, the tables might just turn if a freak snowstorm ever hits San Francisco.

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