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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag strikes near San Francisco del Mar in Mexico

Earthquake location 15.7067S, -94.4999WA light earthquake with magnitude 4.3 (ml/mb) was detected on Wednesday, 60 kilometers (37 miles) from San Francisco del Mar in Mexico. All ids that are associated to the event: us1000aq4j. Unique identifier: us1000aq4j. The earthquake was roughly at a depth of 54.55 km (34 miles). The 4.3-magnitude earthquake has occurred at 05:01:09 / 5:01 am (local time epicenter). Exact location of earthquake, longitude -94.4999 West, latitude 15.7067 North, depth = 54.55 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 11/10/17 / 2017-10-11 11:01:09 / October 11, 2017 @ 11:01 am UTC/GMT.

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 Unión Hidalgo, Salina Cruz, Tonalá. Epicenter of the earthquake was 92 km (57 miles) from Salina Cruz (c. 73 600 pop), 90 km (56 miles) from Tonalá (c. 32 900 pop), 87 km (54 miles) from Arriaga (c. 22 800 pop), 92 km (57 miles) from Unión Hidalgo (c. 12 700 pop), 74 km (46 miles) from Chahuite (c. 9 800 pop), 74 km (46 miles) from Las Amilpas (c. 8 800 pop).

In the past 24 hours, there have been twenty-five, in the last 10 days thirty-four, in the past 30 days one hundred and seventy-nine and in the last 365 days three hundred and eighty-three earthquakes of magnitude 3.0 or greater that was reported nearby. Every year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 60 km SSE of San Francisco del Mar, Mexico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -94.4999° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.7067° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 54.55 km Depth of the event in kilometers.
Place 60km SSE of San Francisco del Mar, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-10-11 11:01:09 Time when the event occurred. UTC/GMT
Updated 2017-11-02 08:36:34 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 284 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 2.915 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.79 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 171 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 us1000aq4j Id of event.
Event Code 1000aq4j An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000aq4j, A comma-separated list of event ids that are associated to an event.

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