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Light earthquake, 4.2 mag was detected near offshore Oaxaca, Mexico

Posted by admin on October 20, 2017 0 Comments

Earthquake location 15.8113S, -94.7508WA light earthquake magnitude 4.2 (ml/mb) strikes offshore Oaxaca, Mexico kilometers (0 miles) from offshore Oaxaca, Mexico on Friday. Exact location of earthquake, longitude -94.7508 West, latitude 15.8113 North, depth = 34.07 km. Global date and time of event UTC/GMT: 20/10/17 / 2017-10-20 21:03:19 / October 20, 2017 @ 9:03 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 21:03:19 / 9:03 pm (local time epicenter). Event ids that are associated to the earthquake: us1000auxu. Id of event: us1000auxu. The epicenter of the earthquake was roughly 34.07 km (21 miles) below the earth’s surface.

The epicenter was 64 km (39 miles) from Salina Cruz (c. 73 600 pop), 75 km (47 miles) from Juchitán de Zaragoza (c. 67 600 pop), 77 km (48 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 93 km (58 miles) from San Jerónimo Ixtepec (c. 23 200 pop), 74 km (46 miles) from Unión Hidalgo (c. 12 700 pop), 81 km (51 miles) from Chahuite (c. 9 800 pop). Nearby country/countries, Mexico (c. 112 469 000 pop) (That might be effected). Closest city/cities/towns to epicentrum/hypocenter was San Jerónimo Ixtepec, El Espinal, Santo Domingo Zanatepec (min 5000 pop).

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

Did you feel it?

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. 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: offshore Oaxaca, Mexico.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -94.7508° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.8113° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 34.07 km Depth of the event in kilometers.
Place offshore Oaxaca, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-10-20 21:03:19 Time when the event occurred. UTC/GMT
Updated 2017-10-20 22:53:38 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 3.168 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.32 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 211 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 us1000auxu Id of event.
Event Code 1000auxu An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000auxu, A comma-separated list of event ids that are associated to an event.

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