Light earthquake, 4.5 mag strikes near Salina Cruz in Mexico

A light earthquake with magnitude 4.5 (ml/mb) was detected on Tuesday, 22 kilometers (14 miles) from Salina Cruz in Mexico. Exact time and date of event in UTC/GMT: 12/12/17 / 2017-12-12 14:05:24 / December 12, 2017 @ 2:05 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us1000bzw3. Ids that are associated to the earthquake: us1000bzw3. The earthquake was roughly at a depth of 19.6 km (12 miles). Exact location of earthquake, longitude -95.3195 West, latitude 15.9968 North, depth = 19.6 km. The 4.5-magnitude earthquake was detected at 08:05:24 / 8:05 am (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Crucecita, Las Amilpas, Santa María Xadani (min 5000 pop). Earthquake epicenter was 24 km (15 miles) from Salina Cruz (c. 73 600 pop), 58 km (36 miles) from Juchitán de Zaragoza (c. 67 600 pop), 37 km (23 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 69 km (43 miles) from San Jerónimo Ixtepec (c. 23 200 pop), 91 km (56 miles) from Crucecita (c. 15 100 pop), 74 km (46 miles) from Unión Hidalgo (c. 12 700 pop), 86 km (53 miles) from Las Amilpas (c. 8 800 pop). Nearby country/countries, Mexico (c. 112 469 000 pop) (That might be effected).

In the past 24 hours, there have been nine, in the last 10 days ten, in the past 30 days seventeen and in the last 365 days two hundred and twenty-nine earthquakes of magnitude 3.0 or greater that has struck near. 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.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 22 km SW of Salina Cruz, Mexico. This data comes from the USGS Earthquake Notification Service.

More information

Parameter	Value	Description
Magnitude	4.5 mb	The magnitude for the event.
Longitude	-95.3195° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	15.9968° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	19.6 km	Depth of the event in kilometers.
Place	22km SW of Salina Cruz, Mexico	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-12-12 14:05:24	Time when the event occurred. UTC/GMT
Updated	2018-01-04 21:03:56	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	0.792	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.95 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	144	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	us1000bzw3	Id of event.
Event Code	1000bzw3	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us1000bzw3,	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

-95.3195° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

15.9968° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

19.6 km

Depth of the event in kilometers.

Place

22km SW of Salina Cruz, Mexico

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

Time

2017-12-12 14:05:24

Time when the event occurred. UTC/GMT

Updated

2018-01-04 21:03:56

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

0.792

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

Root Mean Square

0.95 sec

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

Azimuthal Gap

144

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

us1000bzw3

Id of event.

Event Code

1000bzw3

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

Event IDS

,us1000bzw3,

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

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Light earthquake, 4.5 mag strikes near Salina Cruz in Mexico

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