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The 2013 Bohol earthquake occurred on October 15 at 8:12:31 PST in Bohol, an island province located in Central Visayas, Philippines. [9] The magnitude of the earthquake was recorded at M w 7.2, with epicenter 6 kilometres (3.7 mi) S 24° W of Sagbayan, and its depth of focus was 12 kilometres (7.5 mi).
2010 Mindanao earthquakes triplet earthquake, deep focus events [19] 2012 February 6 11:49 Negros 6.7 VII 113 dead, 112 injured 2012 Negros earthquake [20] 2012 August 31 20:47 Samar 7.6 VII 1 dead, 1 injured 2012 Samar earthquake [21] 2013 October 15 08:12 Bohol 7.2 IX 222 dead, 976 injured 2013 Bohol earthquake [22] 2017 February 10 22:03 ...
The 2013 Bohol earthquake was a deadly event which happened on 15 October, striking the provinces of Bohol, Cebu, Negros Oriental, Masbate and Leyte. The M w 7.2 earthquake produced a ~50-km-long, ~12-km-wide northeast trending zone of uplift with an ~8-km-long discontinuous ground rupture indicating predominantly reverse-slip movement on a ...
PGA is an important parameter (also known as an intensity measure) for earthquake engineering, The design basis earthquake ground motion (DBEGM) [2] is often defined in terms of PGA. Unlike the Richter and moment magnitude scales, it is not a measure of the total energy (magnitude, or size) of an earthquake, but rather of how much the earth ...
A magnitude 6.5 earthquake struck the Andreanof group of the Aleutian Islands, Alaska, on September 4 at a depth of 39.9 km (24.8 mi). [247] A magnitude 6.2 earthquake struck the Andreanof group of the Aleutian Islands, Alaska, on September 4 at a depth of 32.8 km (20.4 mi). This was an aftershock of the 6.5 earthquake.
Magnitude is an estimate of the relative "size" or strength of an earthquake, and thus its potential for causing ground-shaking. It is "approximately related to the released seismic energy". [1] Intensity refers to the strength or force of shaking at a given location, and can be related
It was followed by dozens of aftershocks of magnitude 2.5 and up, including a magnitude 4.5 earthquake that occurred less than a minute after the first, and a magnitude 4.1 temblor at 9:17 p.m.
Seismic intensity scales categorize the intensity or severity of ground shaking (quaking) at a given location, such as resulting from an earthquake. They are distinguished from seismic magnitude scales , which measure the magnitude or overall strength of an earthquake, which may, or perhaps may not, cause perceptible shaking.