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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag has occurred near Coahuayana in Mexico

Earthquake location 18.297S, -103.504WA light earthquake magnitude 4.2 (ml/mb) has occurred on Saturday, 51 kilometers (32 miles) from Coahuayana in Mexico. The epicenter was at a depth of 5 km (3 miles). The 4.2-magnitude earthquake was detected at 06:24:10 / 6:24 am (local time epicenter). Date and time of earthquake in UTC/GMT: 30/04/16 / 2016-04-30 11:24:10 / April 30, 2016 @ 11:24 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -103.504 West, latitude 18.297 North, depth = 5 km. Event ids that are associated to the earthquake: us10005cpz. Id of event: us10005cpz.

The epicenter was 79 km (49 miles) from Tecoman (c. 79 600 pop), 86 km (54 miles) from Armeria (c. 17 000 pop), 65 km (40 miles) from Coalcomán de Vázquez Pallares (c. 10 800 pop), 90 km (56 miles) from Aguililla (c. 9 400 pop), 53 km (33 miles) from Coahuayana Viejo (c. 6 800 pop). 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 Aguililla, Armeria, Tecoman.

In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days three and in the last 365 days six earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 51 km SSE of Coahuayana, Mexico.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -103.504° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.297° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 51km SSE of Coahuayana, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-04-30 11:24:10 Time when the event occurred. UTC/GMT
Updated 2016-05-13 11:59:31 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 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 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 2.16 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 us10005cpz Id of event.
Event Code 10005cpz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10005cpz, A comma-separated list of event ids that are associated to an event.

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