Light earthquake: M4.5 quake has struck near San Francisco del Mar in Mexico

A light earthquake magnitude 4.5 (ml/mb) strikes 70 kilometers (43 miles) from San Francisco del Mar in Mexico on Friday. The 4.5-magnitude earthquake was detected at 03:08:19 / 3:08 am (local time epicenter). Global date and time of event UTC/GMT: 08/09/17 / 2017-09-08 09:08:19 / September 8, 2017 @ 9:08 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us2000ahzj. Id of event: us2000ahzj. Exact location of event, depth 39.64 km, -94.5329° West, 15.609° North. The epicenter was at a depth of 39.64 km (25 miles).

Close country/countries, Mexico (c. 112 469 000 pop) (That might be effected). The epicenter was 96 km (60 miles) from Salina Cruz (c. 73 600 pop), 85 km (53 miles) from Chahuite (c. 9 800 pop), 85 km (53 miles) from Las Amilpas (c. 8 800 pop), 96 km (60 miles) from El Espinal (c. 7 600 pop), 92 km (57 miles) from San Pedro Tapanatepec (c. 7 200 pop), 87 km (54 miles) from Paredón (c. 6 100 pop), 83 km (51 miles) from San Francisco Ixhuatan (c. 5 700 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was El Espinal, Salina Cruz, San Pedro Tapanatepec.

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

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 70 km S of San Francisco del Mar, Mexico.

Chahuite El Espinal Las Amilpas Mexico Paredon Salina Cruz San Francisco del Mar San Francisco Ixhuatan San Pedro Tapanatepec

More information

Parameter	Value	Description
Magnitude	4.5 mb	The magnitude for the event.
Longitude	-94.5329° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	15.609° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	39.64 km	Depth of the event in kilometers.
Place	70km S 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 09:08:19	Time when the event occurred. UTC/GMT
Updated	2017-09-08 09:42:29	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	312	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	2.936	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.69 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	159	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	us2000ahzj	Id of event.
Event Code	2000ahzj	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us2000ahzj,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

4.5 mb

The magnitude for the event.

Longitude

-94.5329° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

15.609° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

39.64 km

Depth of the event in kilometers.

Place

70km S 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 09:08:19

Time when the event occurred. UTC/GMT

Updated

2017-09-08 09:42:29

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

312

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

2.936

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

Root Mean Square

0.69 sec

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

Azimuthal Gap

159

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

us2000ahzj

Id of event.

Event Code

2000ahzj

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

Event IDS

,us2000ahzj,

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

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Light earthquake: M4.5 quake has struck near San Francisco del Mar in Mexico

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