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| US coal mine collapse traps six | US coal mine collapse traps six |
| (about 3 hours later) | |
| Rescue teams are working to free six miners trapped after a tunnel in a coal mine gave way in the western US state of Utah, local authorities said. | Rescue teams are working to free six miners trapped after a tunnel in a coal mine gave way in the western US state of Utah, local authorities said. |
| The collapse at the Genwal mine at about 0400 (0900 GMT) was so powerful it was mistaken for a small earthquake. | The collapse at the Genwal mine at about 0400 (0900 GMT) was so powerful it was mistaken for a small earthquake. |
| Scientists later said a 4.0 magnitude seismic recording was actually caused by the disturbance at the mine, the Associated Press news agency said. | Scientists later said a 4.0 magnitude seismic recording was actually caused by the disturbance at the mine, the Associated Press news agency said. |
| The mine is 140 miles (225km) south of Salt Lake City. | The mine is 140 miles (225km) south of Salt Lake City. |
| Emery County sheriff's office said: "Rescue workers are on scene trying to locate six miners that are unaccounted for." | Emery County sheriff's office said: "Rescue workers are on scene trying to locate six miners that are unaccounted for." |
| No contact had yet been made with the miners, who were thought to be 1,500ft (457m) below ground. | No contact had yet been made with the miners, who were thought to be 1,500ft (457m) below ground. |
| Authorities have been unable to confirm the number of workers underground at the time of the collapse. | Authorities have been unable to confirm the number of workers underground at the time of the collapse. |
| The mine where the accident happened is run by Utah American Energy and is close to the town of Huntington. | The mine where the accident happened is run by Utah American Energy and is close to the town of Huntington. |
| At least half a dozen other mine collapses since 1995 have caused similar seismic waves. | At least half a dozen other mine collapses since 1995 have caused similar seismic waves. |
| One in south-western Wyoming had a magnitude of 5.4. | One in south-western Wyoming had a magnitude of 5.4. |