Nepal Quake Aftershock Continues May 8 – May14

Nepal Quake Aftershock Continues May 8 – May14
Mt. Everest, Lhotse and Ama Dablam Mahatma4711 / Flickr CC BY 2.0
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People may continue to feel Nepal earthquake aftershocks from May 8 until May 14, the U.S. Geological Survey Aftershock Advisory or the USGS said. However, probability is lower than it was during the period between April 27 to May 1.


Number of aftershocks per day decreases as time passes

Aftershocks may do little or no damage, the USGS said. Some aftershocks may be strong enough to cause additional damage while some may go unnoticed. In the case of the Nepal quake, aftershocks will continue to be felt from May 8 to May 14 but at a decreased rate, the agency said.

“The chance of a magnitude 5 to 6 aftershock is about 1-in-3 or 37 percent and 2 or fewer such events are expected,” the USGS said in its release.

“A magnitude 6 to 7 earthquake is less likely with a 5% or 1-in-20 chance during this week. A magnitude 7 to 7.8 aftershock is even less likely with about a 1-in-200 chance. This means that there is over a 99% chance that a magnitude 7 aftershock will not occur during the coming week,” USGS stated.

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However, the advisory board is warning that there still remains a possibility that an aftershock larger than the mainshock will occur. But probability is lower at about 1-in 1000 chance.

“This means that there is over a 99.9% chance that an aftershock larger than the mainshock will not occur during the coming week. If an earthquake larger than the mainshock does occur, the USGS expects that it would most likely be about the size of the mainshock,” the agency said.

Mt Everest Shrunk after the Nepal Quake

The Nepal Quake caused the grounds near Kathmandu to rise to about 3 feet or 1 meter higher. This fact derived from data obtained by Europe’s Sentinel-1A radar satellite meant that Mt. Everest shrunk as a result of the Nepal earthquake.

Also read: Nepal Quake: 101-year-old Man Pulled From Rubble

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