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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.7 mag has occurred near Tres Picos in Mexico

Earthquake location 15.3921S, -93.9764WA light earthquake magnitude 4.7 (ml/mb) has struck on Saturday, 70 kilometers (43 miles) from Tres Picos in Mexico. Date and time of earthquake in UTC/GMT: 09/09/17 / 2017-09-09 13:18:49 / September 9, 2017 @ 1:18 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude -93.9764 West, latitude 15.3921 North, depth = 63.93 km. The temblor was reported at 07:18:49 / 7:18 am (local time epicenter). The earthquake occurred at a depth of 63.93 km (40 miles). Event id: us2000aiva. Ids that are associated to the earthquake: us2000aiva.

Close country/countries, Mexico (c. 112 469 000 pop) (That might be effected). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Arriaga, Pijijiapan, Tonalá. Earthquake epicenter was 81 km (50 miles) from Tonalá (c. 32 900 pop), 94 km (59 miles) from Arriaga (c. 22 800 pop), 88 km (55 miles) from Pijijiapan (c. 15 100 pop), 74 km (46 miles) from Paredón (c. 6 100 pop).

In the past 24 hours, there have been one hundred and five, in the last 10 days one hundred and thirty-seven, in the past 30 days one hundred and thirty-seven and in the last 365 days one hundred and sixty-one earthquakes of magnitude 3.0 or greater that has occurred nearby. 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.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 70 km SW of Tres Picos, Mexico.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -93.9764° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.3921° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 63.93 km Depth of the event in kilometers.
Place 70km SW of Tres Picos, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-09 13:18:49 Time when the event occurred. UTC/GMT
Updated 2017-09-13 16:00:40 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 340 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 2.367 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.76 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 172 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 us2000aiva Id of event.
Event Code 2000aiva An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000aiva, A comma-separated list of event ids that are associated to an event.

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