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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag has occurred near Coalcoman de Matamoros in Mexico



Earthquake location 18.2439S, -103.2498WA light earthquake magnitude 4.2 (ml/mb) has struck on Monday, 60 kilometers (37 miles) from Coalcoman de Matamoros in Mexico. The earthquake was roughly at a depth of 10 km (6 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 11:08:16 / 11:08 am (local time epicenter). All ids that are associated to the event: us2000aa85. Unique identifier: us2000aa85. Exact location of earthquake, longitude -103.2498 West, latitude 18.2439 North, depth = 10 km. Date and time of earthquake in UTC/GMT: 21/08/17 / 2017-08-21 17:08:16 / August 21, 2017 @ 5:08 pm.

Epicenter of the earthquake was 60 km (37 miles) from Coalcomán de Vázquez Pallares (c. 10 800 pop), 73 km (46 miles) from Aguililla (c. 9 400 pop), 72 km (44 miles) from Coahuayana Viejo (c. 6 800 pop). Close country/countries, Mexico (c. 112 469 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Aguililla, Coahuayana Viejo, Coalcomán de Vázquez Pallares.

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

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 60 km S of Coalcoman de Matamoros, 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 -103.2498° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.2439° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 60km S of Coalcoman de Matamoros, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-08-21 17:08:16 Time when the event occurred. UTC/GMT
Updated 2017-08-25 12:55:48 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 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 4.005 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.43 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 199 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 us2000aa85 Id of event.
Event Code 2000aa85 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000aa85, A comma-separated list of event ids that are associated to an event.

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