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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.5 mag, 78 km S of San Francisco del Mar, Mexico

Posted by admin on October 5, 2017 0 Comments

Earthquake location 15.5292S, -94.6162WA light earthquake with magnitude 4.5 (ml/mb) was detected on Friday, 78 kilometers (48 miles) from San Francisco del Mar in Mexico. Exact location of earthquake, longitude -94.6162 West, latitude 15.5292 North, depth = 52.13 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us2000ay7g. Id of event: us2000ay7g. Date and time of earthquake in UTC/GMT: 08/09/17 / 2017-09-08 19:04:46 / September 8, 2017 @ 7:04 pm. The 4.5-magnitude earthquake was detected at 13:04:46 / 1:04 pm (local time epicenter). The earthquake occurred at a depth of 52.13 km (32 miles).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Salina Cruz, Las Amilpas, San Francisco Ixhuatan. Event epicenter was 96 km (60 miles) from Salina Cruz (c. 73 600 pop), 93 km (58 miles) from Las Amilpas (c. 8 800 pop), 92 km (57 miles) from San Francisco Ixhuatan (c. 5 700 pop), 85 km (53 miles) from San Mateo del Mar (c. 5 400 pop). Close country/countries that might be effected, Mexico (c. 112 469 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two hundred and seventy-nine, in the last 10 days two hundred and eighty-two, in the past 30 days two hundred and eighty-two and in the last 365 days two hundred and ninety-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area. Every year there are an estimated 13,000 light earthquakes in the world.

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. 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: 78 km S of San Francisco del Mar, Mexico.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -94.6162° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.5292° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 52.13 km Depth of the event in kilometers.
Place 78km S 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 2017-09-08 19:04:46 Time when the event occurred. UTC/GMT
Updated 2017-10-05 21:16:39 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 312 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 1.457 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 161 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 us2000ay7g Id of event.
Event Code 2000ay7g An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000ay7g, A comma-separated list of event ids that are associated to an event.

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