Light earthquake, 4.8 mag has occurred near San Francisco del Mar in Mexico

A light earthquake with magnitude 4.8 (ml/mb) was detected on Friday, 20 kilometers (12 miles) from San Francisco del Mar in Mexico. Global date and time of event UTC/GMT: 08/09/17 / 2017-09-08 11:43:12 / September 8, 2017 @ 11:43 am. The 4.8-magnitude earthquake has occurred at 05:43:12 / 5:43 am (local time epicenter). The earthquake occurred at a depth of 67.6 km (42 miles) below the earth’s surface. Exact location, longitude -94.5788° West, latitude 16.0581° North, depth = 67.6 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us2000ai11. Ids that are associated to the event: us2000ai11.

Closest city/cities/towns to epicentrum/hypocenter was Tonalá, San Jerónimo Ixtepec, Santo Domingo Tehuantepec (min 5000 pop). Country/countries that might be effected, Mexico (c. 112 469 000 pop). Epicenter of the earthquake was 68 km (42 miles) from Salina Cruz (c. 73 600 pop), 63 km (39 miles) from Juchitán de Zaragoza (c. 67 600 pop), 77 km (48 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 88 km (55 miles) from Tonalá (c. 32 900 pop), 80 km (50 miles) from San Jerónimo Ixtepec (c. 23 200 pop), 75 km (47 miles) from Arriaga (c. 22 800 pop), 53 km (33 miles) from Unión Hidalgo (c. 12 700 pop).

In the past 24 hours, there have been twenty-two, in the last 10 days twenty-two, in the past 30 days twenty-two and in the last 365 days fourty-one 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. Each year there are an estimated 13,000 light quakes in the world.

Did you feel it?

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: 20 km SSE of San Francisco del Mar, Mexico.

Arriaga Juchitán de Zaragoza Mexico Salina Cruz San Francisco del Mar San Jerónimo Ixtepec Santo Domingo Tehuantepec Tonalá Unión Hidalgo

More information

Parameter	Value	Description
Magnitude	4.8 mb	The magnitude for the event.
Longitude	-94.5788° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	16.0581° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	67.6 km	Depth of the event in kilometers.
Place	20km SSE of San Francisco 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	2017-09-08 11:43:12	Time when the event occurred. UTC/GMT
Updated	2017-09-08 12:05:08	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	354	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	3.053	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.75 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	145	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	us2000ai11	Id of event.
Event Code	2000ai11	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us2000ai11,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

4.8 mb

The magnitude for the event.

Longitude

-94.5788° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

16.0581° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

67.6 km

Depth of the event in kilometers.

Place

20km SSE of San Francisco 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

2017-09-08 11:43:12

Time when the event occurred. UTC/GMT

Updated

2017-09-08 12:05:08

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

354

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

3.053

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

Root Mean Square

0.75 sec

The root-mean-square (RMS) travel time residual, in sec, using all weights.

Azimuthal Gap

145

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

us2000ai11

Id of event.

Event Code

2000ai11

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

Event IDS

,us2000ai11,

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

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Light earthquake, 4.8 mag has occurred near San Francisco del Mar in Mexico

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