HONOLULU (KHON2) – A magnitude 6.2 earthquake off Naalehu rocked the island of Hawaii on Sunday afternoon and was felt as far as Kauai.
Geologists said this was not caused by Kilauea or Mauna Loa, and neither volcanoes were affected. Experts said it was the strongest earthquake in Hawaii since 2018, when a Magnitude 6.9 earthquake hit the southern flank of Kilauea and eruptions started at Leilani Estates.
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Experts said this earthquake was unrelated to volcanic activity, and these types of earthquakes occur every ten years or so. Islanders of Hawaii are no strangers to earthquakes, but some have said it is different and more intense.
“It was a different earthquake; it was more of a hard shake and then it started to shake, ”said Vickie Hanson, who lives in Naalehu. “This one was just boom, boom – just the type of explosion.” That’s why we thought the volcano had exploded.
She said her house started to shake violently and the ground felt like it was shaking, “like we’ve never experienced something so strong before here in Hawaii,” she continued.
Hanson said the quake lasted for about 30 seconds. She and her husband returned to the house and found minor damage.
Viewers sent KHON2 photos of items that flew off the shelves and onto the floor at Ace Hardware in Naalehu.
Another resident had just installed a security camera inside his house with his son, and the video he sent to KHON2 showed the earthquake with such force that it knocked the camera down. Wall.
Maureen Dwyer was sitting on her couch in Kihei, Maui when she looked at the clock around 11:49 am.
“Suddenly, I felt the sofa tip over – which I was sitting on – rock back and forth as well as back and forth. I thought “Boy, this is strange”. I think it was an earthquake, ”Dwyer said.
Geologists said the quake was similar to the magnitude 6.7 quake in 2006 off Kiholo Bay.
“These earthquakes are not generated by the real magmatic system of volcanoes,” said Kenneth Hon, scientist in charge of the Hawaiian Volcanoes Observatory at the US Geological Survey. “They’re not related to eruptions or the magma body or inflation or anything like that.”
He said they are generated by the weight of volcanoes sitting on the earth’s crust and bending it down.
“The normal lithosphere looks like this,” he explained, while putting his fingers between opposite hands. “And I put an island in the middle; he leans in, but my fingers will slide against each other. So they’re going to kind of do a little jerk every now and then like that, and that’s what we see.
He said a few minor rock falls were reported in Halema’uma’u crater following the earthquake.
“We don’t expect to see anything changed in the plumbing system of either of the volcanoes as a result of this earthquake,” he continued.
Hon said the earthquake was deep enough to be felt statewide, and the USGS typically receives 50 to 100 reports of people experiencing earthquakes within the first hour of an hour. In the first hour of the earthquake on Sunday, October 10, he said he had received more than 1,300 reports.
He also said that at a magnitude of 6.2, well-built homes would not suffer damage.
“The last time I heard about the Hawaii Civil Defense was that they were getting reports, but mostly things like things falling off walls and shelves and things like that,” he said. added Hon.
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There have been several aftershocks reported, and Hon said residents of the island of Hawaii can expect to feel slight aftershocks over the next few days.