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Light World Earthquakes Magnitude 4-4.9

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

Earthquake location 15.5954S, -95.3188WA light earthquake magnitude 4.1 (ml/mb) strikes 64 kilometers (40 miles) from Salina Cruz in Mexico on Tuesday. The temblor was picked up at 18:51:16 / 6:51 pm (local time epicenter). Global time and date of event 13/09/17 / 2017-09-13 00:51:16 / September 13, 2017 @ 12:51 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -95.3188° West, latitude 15.5954° North, depth = 29.98 km. All ids that are associated to the event: us2000al7s. Unique identifier: us2000al7s. The earthquake occurred at a depth of 29.98 km (19 miles) below the earth’s surface.

Close country/countries, Mexico (c. 112 469 000 pop) (That might be effected). The epicenter was 67 km (41 miles) from Salina Cruz (c. 73 600 pop), 82 km (51 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 89 km (56 miles) from Crucecita (c. 15 100 pop), 90 km (56 miles) from Santa María Xadani (c. 5 900 pop), 77 km (48 miles) from San Mateo del Mar (c. 5 400 pop). Nearest cities/city/villages to epicentrum/hypocenter was Santa María Xadani, Crucecita, Santo Domingo Tehuantepec (min 5000 pop).

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

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 64 km SSW of Salina Cruz, Mexico.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -95.3188° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.5954° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 29.98 km Depth of the event in kilometers.
Place 64km SSW of Salina Cruz, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-13 00:51:16 Time when the event occurred. UTC/GMT
Updated 2017-10-03 05:24:05 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 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 3.659 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.29 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 205 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 us2000al7s Id of event.
Event Code 2000al7s An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000al7s, A comma-separated list of event ids that are associated to an event.

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