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Light earthquake: M4 quake has struck near Salina Cruz in Mexico

Posted by admin on October 15, 2017 0 Comments

Earthquake location 16.1516S, -95.2947WA light earthquake with magnitude 4 (ml/mb) was detected on Thursday, 10 kilometers (6 miles) from Salina Cruz in Mexico. Exact time and date of earthquake 28/09/17 / 2017-09-28 07:27:10 / September 28, 2017 @ 7:27 am UTC/GMT. The earthquake was roughly at a depth of 10 km (6 miles). The 4-magnitude earthquake was detected at 01:27:10 / 1:27 am (local time epicenter). Id of earthquake: us2000avsw. Event ids that are associated: us2000avsw. Exact location of earthquake, longitude -95.2947 West, latitude 16.1516 North, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Earthquake epicenter was 11 km (7 miles) from Salina Cruz (c. 73 600 pop), 43 km (27 miles) from Juchitán de Zaragoza (c. 67 600 pop), 20 km (12 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 52 km (32 miles) from San Jerónimo Ixtepec (c. 23 200 pop), 85 km (53 miles) from Matías Romero (c. 21 100 pop), 61 km (38 miles) from Unión Hidalgo (c. 12 700 pop). Closest city/cities/towns to epicentrum/hypocenter was San Francisco Ixhuatan, Santa María Xadani, Colonia Rincón Viejo (min 5000 pop). Close country/countries that might be effected, Mexico (c. 112 469 000 pop).

In the past 24 hours, there have been fifteen, in the last 10 days fourty-three, in the past 30 days one hundred and fourty-six and in the last 365 days one hundred and fifty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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: 10 km W of Salina Cruz, Mexico.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -95.2947° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.1516° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 10km W of Salina Cruz, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-28 07:27:10 Time when the event occurred. UTC/GMT
Updated 2017-10-15 07:34:45 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 246 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 0.87 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.11 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 118 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 us2000avsw Id of event.
Event Code 2000avsw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000avsw, A comma-separated list of event ids that are associated to an event.

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