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Light earthquake: M4.1 quake has struck near Acapetagua in Mexico


Earthquake location 14.8253S, -93.0114WA light earthquake magnitude 4.1 (ml/mb) has occurred on Thursday, 60 kilometers (37 miles) from Acapetagua in Mexico. The epicenter was at a depth of 59.96 km (37 miles). All ids that are associated to the event: us10002wsf. Unique identifier: us10002wsf. Date and time of earthquake in UTC/GMT: 31/07/15 / 2015-07-31 02:07:09 / July 31, 2015 @ 2:07 am. Exact location of event, depth 59.96 km, -93.0114° West, 14.8253° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.1-magnitude earthquake has occurred at 20:07:09 / 8:07 pm (local time epicenter).

Nearest cities/city/villages to epicentrum/hypocenter was Tuxtla Chico, Brisas Barra de Suchiate, Tapachula (min 5000 pop). Epicenter of the event was 81 km (50 miles) from Tapachula (c. 198 000 pop), 68 km (42 miles) from Huixtla (c. 29 300 pop), 69 km (43 miles) from Mapastepec (c. 16 100 pop), 91 km (56 miles) from Brisas Barra de Suchiate (c. 13 700 pop), 64 km (40 miles) from Puerto Madero (c. 9 700 pop), 67 km (41 miles) from Escuintla (c. 9 600 pop). Country/countries that might be effected, Mexico (c. 112 469 000 pop).

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

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 60 km SSW of Acapetagua, Mexico.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -93.0114° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 14.8253° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 59.96 km Depth of the event in kilometers.
Place 60km SSW of Acapetagua, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-07-31 02:07:09 Time when the event occurred. UTC/GMT
Updated 2015-07-31 04:37:36 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 1.308 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.98 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 178 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 us10002wsf Id of event.
Event Code 10002wsf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10002wsf, A comma-separated list of event ids that are associated to an event.

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