Light earthquake, 4.1 mag was detected near San Francisco del Mar in Mexico

A light earthquake magnitude 4.1 (ml/mb) has occurred on Tuesday, 56 kilometers (35 miles) from San Francisco del Mar in Mexico. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 35.67 km (22 miles) below the earth’s surface. The temblor was picked up at 11:59:48 / 11:59 am (local time epicenter). Exact location of earthquake, longitude -94.5099 West, latitude 15.74 North, depth = 35.67 km. Id of earthquake: us2000akyb. Event ids that are associated: us2000akyb. Global time and date of event 12/09/17 / 2017-09-12 17:59:48 / September 12, 2017 @ 5:59 pm UTC/GMT.

Nearest cities/city/villages to epicentrum/hypocenter was Tonalá, Salina Cruz, Unión Hidalgo (min 5000 pop). Close country/countries that might be effected, Mexico (c. 112 469 000 pop). Event epicenter was 89 km (55 miles) from Salina Cruz (c. 73 600 pop), 89 km (56 miles) from Tonalá (c. 32 900 pop), 85 km (53 miles) from Arriaga (c. 22 800 pop), 88 km (55 miles) from Unión Hidalgo (c. 12 700 pop), 71 km (44 miles) from Chahuite (c. 9 800 pop), 71 km (44 miles) from Las Amilpas (c. 8 800 pop).

In the past 24 hours, there have been one hundred and twenty, in the last 10 days three hundred and thirteen, in the past 30 days three hundred and thirteen and in the last 365 days three hundred and thirty earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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

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Parameter	Value	Description
Magnitude	4.1 mb	The magnitude for the event.
Longitude	-94.5099° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	15.74° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	35.67 km	Depth of the event in kilometers.
Place	56km 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	2017-09-12 17:59:48	Time when the event occurred. UTC/GMT
Updated	2017-10-09 16:06:50	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	259	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	1.243	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.01 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	149	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	us2000akyb	Id of event.
Event Code	2000akyb	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us2000akyb,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

4.1 mb

The magnitude for the event.

Longitude

-94.5099° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

15.74° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

35.67 km

Depth of the event in kilometers.

Place

56km 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

2017-09-12 17:59:48

Time when the event occurred. UTC/GMT

Updated

2017-10-09 16:06:50

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

259

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

1.243

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

Root Mean Square

1.01 sec

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

Azimuthal Gap

149

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

us2000akyb

Id of event.

Event Code

2000akyb

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

Event IDS

,us2000akyb,

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

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Light earthquake, 4.1 mag was detected near San Francisco del Mar in Mexico

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