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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.1 mag, 4 km W of Asuncion Ixtaltepec, Mexico


Earthquake location 16.504S, -95.0939WA light earthquake with magnitude 4.1 (ml/mb) was detected on Friday, 4 kilometers (2 miles) from Asuncion Ixtaltepec in Mexico. All ids that are associated to the event: us10006b9z. Unique identifier: us10006b9z. The epicenter of the earthquake was roughly 79.2 km (49 miles) below the earth’s surface. The temblor was detected at 00:32:48 / 12:32 am (local time epicenter). Exact time and date of event in UTC/GMT: 22/07/16 / 2016-07-22 05:32:48 / July 22, 2016 @ 5:32 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 79.2 km, -95.0939° West, 16.504° North.

Close country/countries, Mexico (c. 112 469 000 pop) (That might be effected). Epicenter of the earthquake was 37 km (23 miles) from Salina Cruz (c. 73 600 pop), 11 km (7 miles) from Juchitán de Zaragoza (c. 67 600 pop), 25 km (16 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 8 km (5 miles) from San Jerónimo Ixtepec (c. 23 200 pop), 42 km (26 miles) from Matías Romero (c. 21 100 pop), 28 km (18 miles) from Unión Hidalgo (c. 12 700 pop). Closest city/cities/towns to epicentrum/hypocenter was Santo Domingo Zanatepec, San Francisco Ixhuatan, Las Amilpas (min 5000 pop).

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

How would you describe the shaking?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 4 km W of Asuncion Ixtaltepec, Mexico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -95.0939° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.504° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 79.2 km Depth of the event in kilometers.
Place 4km W of Asuncion Ixtaltepec, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-07-22 05:32:48 Time when the event occurred. UTC/GMT
Updated 2016-08-14 07:10:47 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.55 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 us10006b9z Id of event.
Event Code 10006b9z An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10006b9z, A comma-separated list of event ids that are associated to an event.

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