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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 17 km S of Tepecoacuilco de Trujano, Mexico

Posted by admin on September 17, 2015 0 Comments

Earthquake location 18.1469S, -99.461WA light earthquake magnitude 4 (ml/mb) has occurred on Thursday, 17 kilometers (11 miles) from Tepecoacuilco de Trujano in Mexico. Exact location of earthquake, -99.461° West, 18.1469° North, depth 51.7 km. All ids that are associated to the event: us100035lh. Unique identifier: us100035lh. The 4-magnitude earthquake was detected at 20:56:01 / 8:56 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 28/08/15 / 2015-08-28 01:56:01 / August 28, 2015 @ 1:56 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 51.7 km (32 miles).

Epicenter of the earthquake was 90 km (56 miles) from Cuernavaca (c. 343 800 pop), 66 km (41 miles) from Chilpancingo de los Bravos (c. 165 300 pop), 87 km (54 miles) from Jiutepec (c. 162 400 pop), 24 km (15 miles) from Iguala de la Independencia (c. 112 100 pop), 82 km (51 miles) from Temixco (c. 91 100 pop), 48 km (30 miles) from Taxco de Alarcón (c. 53 200 pop). Nearest cities/city/villages to epicentrum/hypocenter was Cuernavaca, San Pedro Apatlaco, Malinalco (min 5000 pop). Country/countries that might be effected, Mexico (c. 112 469 000 pop).

There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days two earthquakes of magnitude 3.0 or greater that has occurred nearby.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 17 km S of Tepecoacuilco de Trujano, Mexico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -99.461° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.1469° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 51.7 km Depth of the event in kilometers.
Place 17km S of Tepecoacuilco de Trujano, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-08-28 01:56:01 Time when the event occurred. UTC/GMT
Updated 2015-09-17 02:00:42 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 3 The total number of felt reports
CDI 3.1 The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 247 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.86 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us100035lh Id of event.
Event Code 100035lh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100035lh, A comma-separated list of event ids that are associated to an event.

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