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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.1 mag, 53 km S of Salina Cruz, Mexico

Earthquake location 15.6908S, -95.2683WA light earthquake magnitude 4.1 (ml/mb) has occurred on Monday, 53 kilometers (33 miles) from Salina Cruz in Mexico. Exact location of event, depth 10.64 km, -95.2683° West, 15.6908° North. All ids that are associated to the event: us2000awlh. Unique identifier: us2000awlh. Date and time of earthquake in UTC/GMT: 18/09/17 / 2017-09-18 19:47:47 / September 18, 2017 @ 7:47 pm. The epicenter was at a depth of 10.64 km (7 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 13:47:47 / 1:47 pm (local time epicenter).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was El Espinal, Santa María Xadani, Juchitán de Zaragoza. Epicenter of the event was 55 km (34 miles) from Salina Cruz (c. 73 600 pop), 87 km (54 miles) from Juchitán de Zaragoza (c. 67 600 pop), 71 km (44 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 92 km (57 miles) from El Espinal (c. 7 800 pop), 91 km (56 miles) from Santa María Xadani (c. 5 900 pop), 65 km (41 miles) from San Mateo del Mar (c. 5 400 pop). Close country/countries, Mexico (c. 112 469 000 pop) (That might be effected).

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

How would you describe the shaking?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 53 km S of Salina Cruz, Mexico. This information 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 -95.2683° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.6908° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10.64 km Depth of the event in kilometers.
Place 53km S 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 2017-09-18 19:47:47 Time when the event occurred. UTC/GMT
Updated 2017-10-09 16:58:29 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 0.812 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.08 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 167 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 us2000awlh Id of event.
Event Code 2000awlh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000awlh, A comma-separated list of event ids that are associated to an event.

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