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Strong earthquake, 6.6 mag was detected near Tres Picos in Mexico

Earthquake location 15.8S, -93.5WA earthquake with magnitude 6.6 (ml/mb) was detected on Thursday, 8 kilometers (5 miles) from Tres Picos in Mexico. Id of earthquake: at00nzipr4. Event ids that are associated: at00nzipr4, pt15351050. Exact location of event, depth 117 km, -93.5° West, 15.8° North. Exact time and date of earthquake 17/12/15 / 2015-12-17 19:49:56 / December 17, 2015 @ 7:49 pm UTC/GMT. The earthquake occurred at a depth of 117 km (73 miles) below the earth’s surface. A tsunami warning has been issued near Tres Picos in Mexico (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 13:49:56 / 1:49 pm (local time epicenter).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Las Amilpas, Huixtla, San Fernando. Epicenter of the earthquake was 114 km (71 miles) from Tuxtla Gutiérrez (c. 481 100 pop), 101 km (63 miles) from Cintalapa de Figueroa (c. 33 500 pop), 42 km (26 miles) from Tonalá (c. 32 900 pop), 114 km (71 miles) from Chiapa de Corzo (c. 32 200 pop), 108 km (67 miles) from Ocozocoautla de Espinosa (c. 31 600 pop), 133 km (83 miles) from Huixtla (c. 29 300 pop), 65 km (40 miles) from Arriaga (c. 22 800 pop), 114 km (71 miles) from Berriozábal (c. 21 000 pop), 76 km (47 miles) from Mapastepec (c. 16 100 pop). Nearby country/countries that might be effected, Mexico (c. 112 469 000 pop).

There are an estimated 135 earthquakes in the world each year. Earthquakes 6.0 to 6.9 may cause a lot of damage in very populated areas. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days seventeen earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 8 km SSE of Tres Picos, Mexico.

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More information

Parameter Value Description
Magnitude 6.6 mb The magnitude for the event.
Longitude -93.5° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.8° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 117 km Depth of the event in kilometers.
Place 8km SSE 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 2015-12-17 19:49:56 Time when the event occurred. UTC/GMT
Updated 2015-12-17 20:01:10 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt 11 The total number of felt reports
CDI 6.3 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 1 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 677 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at,pt, A comma-separated list of network contributors.
Number of Stations Used 186 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.21469735 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.42 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 129.6 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Mi The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID at00nzipr4 Id of event.
Event Code 00nzipr4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00nzipr4,pt15351050, A comma-separated list of event ids that are associated to an event.

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