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Light World Earthquakes Magnitude 4-4.9

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

Posted by admin on October 14, 2017 0 Comments

Earthquake location 15.7141S, -95.2437WA light earthquake with magnitude 4 (ml/mb) was reported 50 kilometers (31 miles) from Salina Cruz in Mexico on Saturday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 19.61 km (12 miles). Exact location of event, depth 19.61 km, -95.2437° West, 15.7141° North. Unique identifier: us2000az85. Ids that are associated to the event: us2000az85. Global time and date of event 16/09/17 / 2017-09-16 22:28:45 / September 16, 2017 @ 10:28 pm UTC/GMT. The 4-magnitude earthquake was detected at 16:28:45 / 4:28 pm (local time epicenter).

Close country/countries, Mexico (c. 112 469 000 pop) (That might be effected). Closest city/cities/towns to epicentrum/hypocenter was Asunción Ixtaltepec, El Espinal, Juchitán de Zaragoza (min 5000 pop). Earthquake epicenter was 52 km (33 miles) from Salina Cruz (c. 73 600 pop), 84 km (52 miles) from Juchitán de Zaragoza (c. 67 600 pop), 68 km (42 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 88 km (55 miles) from El Espinal (c. 7 800 pop), 90 km (56 miles) from Asunción Ixtaltepec (c. 7 600 pop), 62 km (38 miles) from San Mateo del Mar (c. 5 400 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been fifty-four, in the last 10 days two hundred and two, in the past 30 days two hundred and three and in the last 365 days two hundred and thirteen earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 13,000 light quakes in the world.

Did you feel it?

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: 50 km S of Salina Cruz, Mexico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -95.2437° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.7141° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.61 km Depth of the event in kilometers.
Place 50km S 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 2017-09-16 22:28:45 Time when the event occurred. UTC/GMT
Updated 2017-10-14 01:07:55 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 0.834 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 156 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 us2000az85 Id of event.
Event Code 2000az85 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000az85, A comma-separated list of event ids that are associated to an event.

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