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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.1 quake has struck near San Mateo del Mar in Mexico

Earthquake location 15.9949S, -94.8487WA light earthquake magnitude 4.1 (ml/mb) has occurred on Monday, 27 kilometers (17 miles) from San Mateo del Mar in Mexico. Exact location of earthquake, -94.8487° West, 15.9949° North, depth 55.32 km. All ids that are associated to the event: us2000aq3v. Unique identifier: us2000aq3v. The epicenter was at a depth of 55.32 km (34 miles). Global time and date of event 18/09/17 / 2017-09-18 17:25:44 / September 18, 2017 @ 5:25 pm UTC/GMT. The temblor was detected at 11:25:44 / 11:25 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Close country/countries, Mexico (c. 112 469 000 pop) (That might be effected). Event epicenter was 43 km (27 miles) from Salina Cruz (c. 73 600 pop), 52 km (33 miles) from Juchitán de Zaragoza (c. 67 600 pop), 56 km (35 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 70 km (44 miles) from San Jerónimo Ixtepec (c. 23 200 pop), 53 km (33 miles) from Unión Hidalgo (c. 12 700 pop), 79 km (49 miles) from Chahuite (c. 9 800 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was El Espinal, Jalapa, San Pedro Tapanatepec.

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been twelve, in the last 10 days ninety-five, in the past 30 days one hundred and thirty and in the last 365 days one hundred and fourty-eight earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 27 km SE of San Mateo del Mar, Mexico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -94.8487° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.9949° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 55.32 km Depth of the event in kilometers.
Place 27km SE of San Mateo 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 2017-09-18 17:25:44 Time when the event occurred. UTC/GMT
Updated 2017-09-20 22:20:17 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 2.621 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.22 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 188 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 us2000aq3v Id of event.
Event Code 2000aq3v An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000aq3v, A comma-separated list of event ids that are associated to an event.

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