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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag strikes near Comitancillo in Mexico


Earthquake location 16.4688S, -95.2208WA light earthquake magnitude 4.1 (ml/mb) has occurred on Saturday, 7 kilometers (4 miles) from Comitancillo in Mexico. All ids that are associated to the event: us2000aztg. Unique identifier: us2000aztg. The earthquake occurred at a depth of 16.53 km (10 miles). Exact time and date of earthquake 23/09/17 / 2017-09-23 20:36:21 / September 23, 2017 @ 8:36 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 14:36:21 / 2:36 pm (local time epicenter). Exact location of earthquake, -95.2208° West, 16.4688° North, depth 16.53 km.

Closest city/cities/towns to epicentrum/hypocenter was San Francisco Ixhuatan, Las Amilpas, Colonia Rincón Viejo (min 5000 pop). Earthquake epicenter was 32 km (20 miles) from Salina Cruz (c. 73 600 pop), 22 km (14 miles) from Juchitán de Zaragoza (c. 67 600 pop), 16 km (10 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 18 km (11 miles) from San Jerónimo Ixtepec (c. 23 200 pop), 50 km (31 miles) from Matías Romero (c. 21 100 pop), 42 km (26 miles) from Unión Hidalgo (c. 12 700 pop). Nearby country/countries, Mexico (c. 112 469 000 pop) (That might be effected).

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

Questions or comments?

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: 7 km WSW of Comitancillo, Mexico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -95.2208° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.4688° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 16.53 km Depth of the event in kilometers.
Place 7km WSW of Comitancillo, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-23 20:36:21 Time when the event occurred. UTC/GMT
Updated 2017-10-21 23:10:46 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 259 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 1.101 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.04 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 110 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 us2000aztg Id of event.
Event Code 2000aztg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000aztg, A comma-separated list of event ids that are associated to an event.

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