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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near San Miguel Quetzaltepec in Mexico

Earthquake location 17.0066S, -95.5814WA light earthquake magnitude 4.2 (ml/mb) has occurred on Saturday, 25 kilometers (16 miles) from San Miguel Quetzaltepec in Mexico. Global date and time of event UTC/GMT: 26/08/17 / 2017-08-26 23:56:39 / August 26, 2017 @ 11:56 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.2-magnitude earthquake has occurred at 17:56:39 / 5:56 pm (local time epicenter). Exact location, longitude -95.5814° West, latitude 17.0066° North, depth = 97.74 km. The epicenter of the earthquake was roughly 97.74 km (61 miles) below the earth’s surface. Id of earthquake: us2000aege. Event ids that are associated: us2000aege.

Country/countries that might be effected, Mexico (c. 112 469 000 pop). Earthquake epicenter was 87 km (54 miles) from Juchitán de Zaragoza (c. 67 600 pop), 84 km (52 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 70 km (43 miles) from San Jerónimo Ixtepec (c. 23 200 pop), 59 km (37 miles) from Matías Romero (c. 21 100 pop), 58 km (36 miles) from Colonia Rincón Viejo (c. 8 500 pop), 58 km (36 miles) from Jalapa (c. 8 300 pop). Closest city/cities/towns to epicentrum/hypocenter was San Dionisio Ocotepec, Juchitán de Zaragoza, Santo Domingo Tehuantepec (min 5000 pop).

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

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 25 km E of San Miguel Quetzaltepec, Mexico.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -95.5814° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.0066° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 97.74 km Depth of the event in kilometers.
Place 25km E of San Miguel Quetzaltepec, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-08-26 23:56:39 Time when the event occurred. UTC/GMT
Updated 2017-09-07 22:25:04 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 0.672 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.21 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 81 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 us2000aege Id of event.
Event Code 2000aege An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000aege, A comma-separated list of event ids that are associated to an event.

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