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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Tecoanapa in Mexico


Earthquake location 16.2928S, -98.9404WA light earthquake with magnitude 4.3 (ml/mb) was reported 32 kilometers (20 miles) from Tecoanapa in Mexico on Friday. The 4.3-magnitude earthquake has occurred at 16:35:20 / 4:35 pm (local time epicenter). The earthquake was roughly at a depth of 10 km (6 miles). Global time and date of event 03/07/15 / 2015-07-03 23:35:20 / July 3, 2015 @ 11:35 pm UTC/GMT. Event ids that are associated to the earthquake: us10002ncc. Id of event: us10002ncc. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -98.9404 West, latitude 16.2928 North, depth = 10 km.

Earthquake epicenter was 72 km (45 miles) from Ometepec (c. 17 800 pop), 74 km (46 miles) from San Marcos (c. 12 300 pop), 76 km (47 miles) from Ayutla de los Libres (c. 9 900 pop), 52 km (32 miles) from Cruz Grande (c. 9 900 pop), 60 km (37 miles) from Cuajinicuilapa de Santa Maria (c. 9 400 pop), 61 km (38 miles) from San Luis Acatlán (c. 8 300 pop). Closest city/cities/towns to epicentrum/hypocenter was Ayutla de los Libres, San Marcos, Ometepec (min 5000 pop). Country/countries that might be effected, Mexico (c. 112 469 000 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 twenty earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year.

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 32 km SW of Tecoanapa, Mexico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -98.9404° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.2928° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 32km SW 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 2015-07-03 23:35:20 Time when the event occurred. UTC/GMT
Updated 2015-07-14 05:06:16 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 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 284 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 1.312 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.04 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 209 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 us10002ncc Id of event.
Event Code 10002ncc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10002ncc, A comma-separated list of event ids that are associated to an event.

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