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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 85 km S of San Mateo del Mar, Mexico


Earthquake location 15.4311S, -94.9037WA light earthquake with magnitude 4.2 (ml/mb) was detected on Saturday, 85 kilometers (53 miles) from San Mateo del Mar in Mexico. The epicenter was at a depth of 74.4 km (46 miles). Exact location of earthquake, longitude -94.9037 West, latitude 15.4311 North, depth = 74.4 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us2000ayew. Unique identifier: us2000ayew. The 4.2-magnitude earthquake has occurred at 22:43:54 / 10:43 pm (local time epicenter). Global time and date of event 10/09/17 / 2017-09-10 04:43:54 / September 10, 2017 @ 4:43 am UTC/GMT.

Closest city/cities/towns to epicentrum/hypocenter was Salina Cruz, San Mateo del Mar (min 5000 pop). The epicenter was 90 km (56 miles) from Salina Cruz (c. 73 600 pop), 87 km (54 miles) from San Mateo del Mar (c. 5 400 pop). Nearby country/countries, Mexico (c. 112 469 000 pop) (That might be effected).

In the past 24 hours, there have been one hundred and sixty-four, in the last 10 days two hundred and seventy, in the past 30 days two hundred and seventy and in the last 365 days two hundred and eighty-two earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel the quake?

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 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: 85 km S of San Mateo del Mar, Mexico.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -94.9037° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.4311° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 74.4 km Depth of the event in kilometers.
Place 85km S 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 2017-09-10 04:43:54 Time when the event occurred. UTC/GMT
Updated 2017-10-06 22:24:03 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 271 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 1.208 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 148 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 us2000ayew Id of event.
Event Code 2000ayew An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000ayew, A comma-separated list of event ids that are associated to an event.

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