Event facts
Estimated shaking · MMI IX
Violent. Damage considerable in specially-designed structures. Buildings shifted off foundations; ground cracked.
MMI is the Modified Mercalli Intensity scale — what people actually feel. This estimate is derived from magnitude alone; real shaking varies with depth, distance and local soil. The official USGS ShakeMap is the authoritative source.
What an M6.1 feels like
Strong earthquake. Felt by everyone. Furniture moves, plaster falls, weak chimneys break. Many run outdoors. Standing is difficult near the epicenter.
Considerable damage to ordinary buildings, partial collapse of older or non-reinforced structures. Well-built buildings sustain slight damage.
What a shallow depth means
Shallow earthquakes (under 70 km) release energy close to the surface, so they tend to be felt more strongly and cause more damage than deeper events of the same magnitude. Most earthquakes humans feel are shallow.
Energy released
This earthquake released roughly 8.91e+13 joules of seismic energy — about 1.41× the Hiroshima atomic bomb.
Caveat: bomb energy is concentrated at a single point in microseconds; seismic energy radiates outward through Earth's crust over many seconds. The comparison is for relative scale only.
Authoritative source
QuakeNear.Me aggregates feeds from multiple seismic networks. For the official record, including any updates to magnitude, ShakeMap, Did-You-Feel-It reports and aftershock sequences, see the upstream agency's event page.
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