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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.9 mag strikes near Tecoanapa in Mexico



Earthquake location 16.5654S, -98.579WA light earthquake with magnitude 4.9 (ml/mb) was detected on Tuesday, 19 kilometers (12 miles) from Tecoanapa in Mexico. The earthquake occurred at a depth of 10.93 km (7 miles) below the earth’s surface. The 4.9-magnitude earthquake has occurred at 05:56:28 / 5:56 am (local time epicenter). Id of earthquake: us20008l3k. Event ids that are associated: us20008l3k. Global date and time of event UTC/GMT: 21/02/17 / 2017-02-21 11:56:28 / February 21, 2017 @ 11:56 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 10.93 km, -98.579° West, 16.5654° North.

Epicenter of the event was 76 km (47 miles) from Malinaltepec (c. 26 600 pop), 61 km (38 miles) from Santiago Pinotepa Nacional (c. 25 700 pop), 23 km (14 miles) from Ometepec (c. 17 800 pop), 90 km (56 miles) from San Marcos (c. 12 300 pop), 86 km (54 miles) from Santiago Jamiltepec (c. 9 900 pop), 71 km (44 miles) from Ayutla de los Libres (c. 9 900 pop), 61 km (38 miles) from Cruz Grande (c. 9 900 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was San Marcos, Santiago Jamiltepec, Putla Villa de Guerrero. Country/countries that might be effected, Mexico (c. 112 469 000 pop).

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 thirty-three earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes 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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 19 km ENE of Tecoanapa, Mexico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude -98.579° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.5654° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10.93 km Depth of the event in kilometers.
Place 19km ENE of Tecoanapa, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-02-21 11:56:28 Time when the event occurred. UTC/GMT
Updated 2017-02-21 12:43:48 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 369 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 0.991 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.06 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 123 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 us20008l3k Id of event.
Event Code 20008l3k An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008l3k, A comma-separated list of event ids that are associated to an event.

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