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



Earthquake location 16.221S, -94.3637WA light earthquake with magnitude 4.7 (ml/mb) was detected on Saturday, 19 kilometers (12 miles) from Ixhuatan in Mexico. Exact location, longitude -94.3637° West, latitude 16.221° North, depth = 69.25 km. The temblor was detected at 13:17:35 / 1:17 pm (local time epicenter). Global time and date of event 18/11/17 / 2017-11-18 19:17:35 / November 18, 2017 @ 7:17 pm UTC/GMT. The earthquake occurred at a depth of 69.25 km (43 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us2000br4h. Ids that are associated to the earthquake: us2000br4h.

Close country/countries that might be effected, Mexico (c. 112 469 000 pop). Event epicenter was 90 km (56 miles) from Salina Cruz (c. 73 600 pop), 74 km (46 miles) from Juchitán de Zaragoza (c. 67 600 pop), 94 km (59 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 86 km (53 miles) from Cintalapa de Figueroa (c. 33 500 pop), 67 km (41 miles) from Tonalá (c. 32 900 pop), 88 km (55 miles) from San Jerónimo Ixtepec (c. 23 200 pop), 49 km (31 miles) from Arriaga (c. 22 800 pop). Nearest cities/city/towns to hypocenter/epicentrum was Santo Domingo Tehuantepec, Jiquipilas, Salina Cruz (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 four, in the past 30 days nineteen and in the last 365 days three hundred and nine earthquakes of magnitude 3.0 or greater that have been detected nearby. Every year there are an estimated 13,000 light earthquakes in the world.

Did you feel the quake?

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. 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: 19 km SE of Ixhuatan, Mexico.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -94.3637° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.221° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 69.25 km Depth of the event in kilometers.
Place 19km SE of Ixhuatan, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-11-18 19:17:35 Time when the event occurred. UTC/GMT
Updated 2017-11-18 19:30:05 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 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 2.897 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 124 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 us2000br4h Id of event.
Event Code 2000br4h An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000br4h, A comma-separated list of event ids that are associated to an event.

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