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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near San Patricio in Mexico


Earthquake location 18.6001S, -105.2345WA light earthquake with magnitude 4.2 (ml/mb) was detected on Saturday, 88 kilometers (55 miles) from San Patricio in Mexico. Exact time and date of event in UTC/GMT: 12/03/16 / 2016-03-12 12:07:49 / March 12, 2016 @ 12:07 pm. The epicenter of the earthquake was roughly 43.17 km (27 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.2-magnitude earthquake was detected at 05:07:49 / 5:07 am (local time epicenter). Event ids that are associated to the earthquake: us10004x04. Id of event: us10004x04. Exact location of event, depth 43.17 km, -105.2345° West, 18.6001° North.

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 San Patricio. Earthquake epicenter was 89 km (55 miles) from San Patricio (c. 6 700 pop).

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 three earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 13,000 light quakes in the world each year.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 88 km SW of San Patricio, Mexico.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -105.2345° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.6001° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 43.17 km Depth of the event in kilometers.
Place 88km SW of San Patricio, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-03-12 12:07:49 Time when the event occurred. UTC/GMT
Updated 2016-03-26 08:48:19 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 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 3.929 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 222 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 us10004x04 Id of event.
Event Code 10004x04 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10004x04, A comma-separated list of event ids that are associated to an event.

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