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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Salina Cruz in Mexico

Posted by admin on December 1, 2017 0 Comments

Earthquake location 16.1663S, -95.1217WA light earthquake with magnitude 4.2 (ml/mb) was reported 8 kilometers (5 miles) from Salina Cruz in Mexico on Wednesday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 19:51:13 / 7:51 pm (local time epicenter). Event id: us2000bfbq. Ids that are associated to the earthquake: us2000bfbq. Exact time and date of event in UTC/GMT: 02/11/17 / 2017-11-02 01:51:13 / November 2, 2017 @ 1:51 am. The epicenter of the earthquake was roughly 46.16 km (29 miles) below the earth’s surface. Exact location, longitude -95.1217° West, latitude 16.1663° North, depth = 46.16 km.

Closest city/cities/towns to epicentrum/hypocenter was Santo Domingo Zanatepec, Colonia Rincón Viejo, Matías Romero (min 5000 pop). The epicenter was 9 km (5 miles) from Salina Cruz (c. 73 600 pop), 32 km (20 miles) from Juchitán de Zaragoza (c. 67 600 pop), 22 km (14 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 46 km (29 miles) from San Jerónimo Ixtepec (c. 23 200 pop), 80 km (50 miles) from Matías Romero (c. 21 100 pop), 46 km (29 miles) from Unión Hidalgo (c. 12 700 pop). Country/countries that might be effected, Mexico (c. 112 469 000 pop).

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been eleven, in the last 10 days eighteen, in the past 30 days fourty-one and in the last 365 days two hundred and thirty 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.

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. 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: 8 km E of Salina Cruz, Mexico.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -95.1217° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.1663° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 46.16 km Depth of the event in kilometers.
Place 8km E 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 2017-11-02 01:51:13 Time when the event occurred. UTC/GMT
Updated 2017-12-01 05:08:33 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 2.869 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.77 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 155 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 us2000bfbq Id of event.
Event Code 2000bfbq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000bfbq, A comma-separated list of event ids that are associated to an event.

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