Light earthquake, 4.3 mag strikes near San Mateo del Mar in Mexico

A light earthquake magnitude 4.3 (ml/mb) has occurred on Monday, 38 kilometers (24 miles) from San Mateo del Mar in Mexico. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 38.59 km (24 miles). Date and time of earthquake in UTC/GMT: 30/09/19 / 2019-09-30 21:31:37 / September 30, 2019 @ 9:31 pm. All ids that are associated to the event: us70005p3x. Unique identifier: us70005p3x. The 4.3-magnitude earthquake was detected at 15:31:37 / 3:31 pm (local time epicenter). Exact location of earthquake, longitude -94.9474 West, latitude 15.8591 North, depth = 38.59 km.

Epicenter of the event was 45 km (28 miles) from Salina Cruz (c. 73 600 pop), 65 km (40 miles) from Juchitán de Zaragoza (c. 67 600 pop), 61 km (38 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 82 km (51 miles) from San Jerónimo Ixtepec (c. 23 200 pop), 69 km (43 miles) from Unión Hidalgo (c. 12 700 pop), 67 km (41 miles) from Las Amilpas (c. 8 800 pop). Nearby country/countries that might be effected, Mexico (c. 112 469 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Jalapa, San Jerónimo Ixtepec, San Francisco Ixhuatan.

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. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days five and in the last 365 days fourty-six earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

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. 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: 38 km S of San Mateo del Mar, Mexico.

Jalapa Juchitán de Zaragoza Las Amilpas Mexico Salina Cruz San Francisco Ixhuatan San Jerónimo Ixtepec San Mateo del Mar Santo Domingo Tehuantepec Unión Hidalgo

More information

Parameter	Value	Description
Magnitude	4.3 mb	The magnitude for the event.
Longitude	-94.9474° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	15.8591° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	38.59 km	Depth of the event in kilometers.
Place	38km S of San Mateo del Mar, Mexico	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2019-09-30 21:31:37	Time when the event occurred. UTC/GMT
Updated	2019-09-30 22:23:28	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	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	2.734	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.03 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	us70005p3x	Id of event.
Event Code	70005p3x	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us70005p3x,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

4.3 mb

The magnitude for the event.

Longitude

-94.9474° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

15.8591° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

38.59 km

Depth of the event in kilometers.

Place

38km S of San Mateo del Mar, Mexico

Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.

Time

2019-09-30 21:31:37

Time when the event occurred. UTC/GMT

Updated

2019-09-30 22:23:28

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

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

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

2.734

Horizontal distance from the epicenter to the nearest station (in degrees).

Root Mean Square

1.03 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

The method or algorithm used to calculate the preferred magnitude for the event.

Event Type

earthquake

Type of seismic event.

Event ID

us70005p3x

Id of event.

Event Code

70005p3x

An identifying code assigned by, and unique from, the corresponding source for the event.

Event IDS

,us70005p3x,

A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.3 mag strikes near San Mateo del Mar in Mexico

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