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It was the deadliest earthquake in the immediate area since a M s 6.6 event occurred in Yadong County on 20 November 1980. That earthquake had an epicenter 176 km (109 mi) away and killed 3 people in the county. The 7 January 2025 earthquake was also the largest in the area since a M s 7.1 struck 171 km (106 mi) to the south on 26 April 2015.
The macroseismic epicenter is the best estimate of the location of the epicenter derived without instrumental data. This may be estimated using intensity data, information about foreshocks and aftershocks, knowledge of local fault systems or extrapolations from data regarding similar earthquakes.
When measuring the epicentral distance of an earthquake with a small epicentral distance, first measure the reading of the initial motion of P wave, and then confirm the arrival of S wave. [Notes 3] The value of the epicenter distance Δ is found on the travel timetable according to the arrival time difference between the P wave and S wave. [4]
Both the USGS and the China Earthquake Networks Center gave the epicenter location high up in the remote Tibetan plateau close to the Himalayan border with Nepal. Some village houses collapsed in ...
The epicenter of the "strong" quake was off the coast near Petrolia, in Humboldt County, the USGS said. ... (USGS) shows the location of a 7.0-magnitude earthquake hitting off the coast of Cape ...
The earthquake was first registered as having a preliminary magnitude of 6.6, but USGS updated it to 7.0. It appears to have an epicenter at the triple junction of the Pacific, North American and ...
The China Earthquake Networks Center gave the earthquake a magnitude of M s 7.1, [3] while the United States Geological Survey said the earthquake measured M ww 7.0. [2] It struck at 02:09 CST (18:09 UTC) [4] at a depth of 13 kilometers (8.1 miles). [2] The epicenter was located in a mountainous area with an average altitude of about 3,048 ...
A 4.0 magnitude quake could be felt more than 60 miles from its epicenter, the agency said. Will earthquakes happen more frequently? In January, the USGS estimated that nearly 75% of the U.S ...