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Light earthquake: M4.5 quake has struck near Salina Cruz in Mexico


Earthquake location 15.9498S, -95.1134WA light earthquake magnitude 4.5 (ml/mb) has struck on Tuesday, 25 kilometers (16 miles) from Salina Cruz in Mexico. The 4.5-magnitude earthquake was detected at 13:43:10 / 1:43 pm (local time epicenter). Unique identifier: us1000jea5. Ids that are associated to the event: us1000jea5. Exact location of event, longitude -95.1134 West, latitude 15.9498 North, depth = 76.45 km. The earthquake occurred at a depth of 76.45 km (48 miles). Exact time and date of event in UTC/GMT: 12/03/19 / 2019-03-12 19:43:10 / March 12, 2019 @ 7:43 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearby country/countries, Mexico (c. 112 469 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was San Francisco Ixhuatan, Jalapa, Las Amilpas (min 5000 pop). Epicenter of the event was 28 km (17 miles) from Salina Cruz (c. 73 600 pop), 55 km (34 miles) from Juchitán de Zaragoza (c. 67 600 pop), 44 km (27 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 70 km (43 miles) from San Jerónimo Ixtepec (c. 23 200 pop), 66 km (41 miles) from Unión Hidalgo (c. 12 700 pop), 70 km (44 miles) from Las Amilpas (c. 8 800 pop), 72 km (45 miles) from Jalapa (c. 8 300 pop).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days four and in the last 365 days fifty-four earthquakes of magnitude 3.0 or greater that have been detected nearby. Each 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.

Did you feel anything?

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 SSE of Salina Cruz, Mexico.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -95.1134° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.9498° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 76.45 km Depth of the event in kilometers.
Place 25km 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 2019-03-12 19:43:10 Time when the event occurred. UTC/GMT
Updated 2019-03-12 20:32:35 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 312 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 2.88 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.91 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 184 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 us1000jea5 Id of event.
Event Code 1000jea5 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000jea5, A comma-separated list of event ids that are associated to an event.

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