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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag has occurred near San Marcos in Mexico

Posted by admin on October 19, 2016 0 Comments

Earthquake location 16.703S, -99.464WA light earthquake magnitude 4.2 (ml/mb) has occurred on Friday, 16 kilometers (10 miles) from San Marcos in Mexico. The 4.2-magnitude earthquake was detected at 02:57:16 / 2:57 am (local time epicenter). Exact location, longitude -99.464° West, latitude 16.703° North, depth = 5 km. Date and time of earthquake in UTC/GMT: 23/09/16 / 2016-09-23 07:57:16 / September 23, 2016 @ 7:57 am. The earthquake occurred at a depth of 5 km (3 miles) below the earth’s surface. Event ids that are associated to the earthquake: us10006w5k. Id of event: us10006w5k. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Event epicenter was 49 km (30 miles) from Acapulco de Juárez (c. 652 100 pop), 75 km (46 miles) from Coyuca de Benítez (c. 12 500 pop), 13 km (8 miles) from San Marcos (c. 12 300 pop), 52 km (32 miles) from Tierra Colorada (c. 10 200 pop), 49 km (30 miles) from Ayutla de los Libres (c. 9 900 pop), 36 km (23 miles) from Cruz Grande (c. 9 900 pop). Nearby country/countries that might be effected, Mexico (c. 112 469 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Petaquillas, Quechultenango, San Luis Acatlán.

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

Did you feel anything?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 16 km SW of San Marcos, Mexico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -99.464° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.703° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 16km SW of San Marcos, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-09-23 07:57:16 Time when the event occurred. UTC/GMT
Updated 2016-10-19 10:19:28 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 271 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 1.31 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 md The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us10006w5k Id of event.
Event Code 10006w5k An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10006w5k, A comma-separated list of event ids that are associated to an event.

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