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Light earthquake, 4.1 mag has occurred near Ayotzintepec in Mexico

Earthquake location 17.4872S, -96.2511WA light earthquake magnitude 4.1 (ml/mb) strikes 23 kilometers (14 miles) from Ayotzintepec in Mexico on Monday. Event id: us2000cmby. Ids that are associated to the earthquake: us2000cmby. The 4.1-magnitude earthquake has occurred at 00:36:44 / 12:36 am (local time epicenter). Exact location of event, longitude -96.2511 West, latitude 17.4872 North, depth = 34.95 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 34.95 km (22 miles). Global date and time of event UTC/GMT: 22/01/18 / 2018-01-22 06:36:44 / January 22, 2018 @ 6:36 am.

Closest city/cities/towns to epicentrum/hypocenter was Zimatlán de Álvarez, Trinidad Zaachila, Isla Soyaltepec (min 5000 pop). Epicenter of the event was 69 km (43 miles) from Oaxaca de Juárez (c. 262 600 pop), 68 km (42 miles) from Tuxtepec (c. 92 100 pop), 72 km (45 miles) from Santa Cruz Xoxocotlán (c. 61 800 pop), 70 km (43 miles) from San Antonio de la Cal (c. 20 200 pop), 80 km (50 miles) from Villa de Zaachila (c. 14 000 pop), 78 km (48 miles) from Vicente Guerrero (c. 13 800 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 one, in the past 30 days one and in the last 365 days five earthquakes of magnitude 3.0 or greater that has struck near. 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.

Did you feel it?

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. 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: 23 km SSW of Ayotzintepec, Mexico.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -96.2511° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.4872° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 34.95 km Depth of the event in kilometers.
Place 23km SSW of Ayotzintepec, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-01-22 06:36:44 Time when the event occurred. UTC/GMT
Updated 2018-01-22 10:28:07 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 4.2 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 2.21 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.9 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 142 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 us2000cmby Id of event.
Event Code 2000cmby An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000cmby, A comma-separated list of event ids that are associated to an event.

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