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Most of the world's earthquakes (90%, and 81% of the largest) take place in the 40,000-kilometre-long (25,000 mi), horseshoe-shaped zone called the circum-Pacific seismic belt, known as the Pacific Ring of Fire, which for the most part bounds the Pacific plate.
The earthquake came from an area that produced a similar sequence of earthquakes in October 2019 and December 2019 [citation needed], within an active faulting zone known as the Cotabato fault system, which includes the NW-SE trending Makilala-Malungon, M'lang, North and South Columbio and Tangbulan faults, and the SW-NE trending Makilala and ...
A magnitude 6.1 earthquake hit the Philippines near Dagupan, Luzon, on June 16, at a depth of 35.3 km. [78] A magnitude 6.4 earthquake struck in the Pacific Ocean 28 km southeast of Ofunato, Japan on 18 June, at a depth of 36 km. [79] A magnitude 6.0 quake struck 24 km northwest of Macquarie Island Australia, on June 22, at a depth of 9.9 km. [80]
The 2012 Negros earthquake occurred on February 6, 2012 at 11:49 AM PST, with a body wave magnitude of 6.7 and a maximum intensity of VII (Destructive) off the coast of Negros Oriental, Philippines. The epicenter of the thrust fault earthquake [ 6 ] was approximately 72 kilometres (45 mi) north of Negros Oriental's provincial capital, Dumaguete .
United States Geological Survey shake map for the 2019 Luzon earthquake; a maximum Mercalli intensity scale value of 6.6 was observed in Gutad, Floridablanca, Pampanga. The Philippine Institute of Volcanology and Seismology (PHIVOLCS) initially reported an earthquake of magnitude 5.7 striking at 17:11 PST with an epicenter two kilometers N 28° E of Castillejos, Zambales.
The Richter scale [1] (/ ˈ r ɪ k t ər /), also called the Richter magnitude scale, Richter's magnitude scale, and the Gutenberg–Richter scale, [2] is a measure of the strength of earthquakes, developed by Charles Richter in collaboration with Beno Gutenberg, and presented in Richter's landmark 1935 paper, where he called it the "magnitude scale". [3]
Negros–Cebu region, Philippines see 2012 Visayas earthquake: 9.964 123.246 51 dead 62 missing 6.7 M w (USGS) Centred 72 km north of the Dumaguete, Negros, Philippines, at a depth of 11 km. [38] March 14, 2012 12:05 Near the east coast of Honshu, Japan see 2012 Chiba earthquake: 35.687 140.695 1 6.0
A magnitude 6.5 earthquake struck Mindanao, Philippines on July 24. [137] A magnitude 6.6 earthquake struck Mindanao, Philippines on July 29. [138] A magnitude 6.3 earthquake struck off the coast of Kamchatka, Russia on July 30. [139] A magnitude 5.6 earthquake struck Northeastern Iran on July 30.