The Ulyanovskaya Mine disaster was caused by a methane explosion that occurred on March 19, 2007, in the Ulyanovskaya longwall coal mine in the Kemerovo Oblast. At least 108 people were reported to have been killed by the blast, which occurred at a depth of about 270 meters (885 feet) at 10:19 local time (3:19 GMT). The mine disaster was Russia's deadliest in more than a decade.
Why this event still matters
Historical incidents shape the rules that protect people today — building codes, evacuation policy, warning systems and inspection regimes almost always trace back to a specific disaster. Studying Ulyanovskaya Mine disaster alongside current events is how preparedness improves.
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