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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.7 quake has struck near Salina Cruz in Mexico

Earthquake location 15.9568S, -95.0872WA light earthquake with magnitude 4.7 (ml/mb) was reported 26 kilometers (16 miles) from Salina Cruz in Mexico on Sunday. The 4.7-magnitude earthquake has occurred at 19:56:32 / 7:56 pm (local time epicenter). Event id: us10004b3q. Ids that are associated to the earthquake: us10004b3q. The earthquake occurred at a depth of 55.55 km (35 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 04/01/16 / 2016-01-04 01:56:32 / January 4, 2016 @ 1:56 am. Exact location of earthquake, -95.0872° West, 15.9568° North, depth 55.55 km.

Closest city/cities/towns to epicentrum/hypocenter was Santo Domingo Zanatepec, San Francisco Ixhuatan, Jalapa (min 5000 pop). Epicenter of the earthquake was 28 km (17 miles) from Salina Cruz (c. 73 600 pop), 54 km (33 miles) from Juchitán de Zaragoza (c. 67 600 pop), 44 km (27 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 69 km (43 miles) from San Jerónimo Ixtepec (c. 23 200 pop), 64 km (40 miles) from Unión Hidalgo (c. 12 700 pop), 68 km (42 miles) from Las Amilpas (c. 8 800 pop), 73 km (45 miles) from Jalapa (c. 8 300 pop). Close country/countries that might be effected, Mexico (c. 112 469 000 pop).

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

Questions or comments?

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: 26 km SSE of Salina Cruz, Mexico.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -95.0872° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.9568° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 55.55 km Depth of the event in kilometers.
Place 26km SSE 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 2016-01-04 01:56:32 Time when the event occurred. UTC/GMT
Updated 2016-01-08 02:36:36 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 2.2 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 340 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 2.854 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.05 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 137 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 us10004b3q Id of event.
Event Code 10004b3q An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10004b3q, A comma-separated list of event ids that are associated to an event.

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