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

A light earthquake magnitude 4.1 (ml/mb) has struck on Sunday, 6 kilometers (4 miles) from San Dionisio del Mar in Mexico. The earthquake was roughly at a depth of 111.71 km (69 miles). Exact time and date of earthquake 31/12/17 / 2017-12-31 11:42:41 / December 31, 2017 @ 11:42 am UTC/GMT. Exact location of event, longitude -94.6878 West, latitude 16.3406 North, depth = 111.71 km. Unique identifier: us1000byhi. Ids that are associated to the event: us1000byhi. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 05:42:41 / 5:42 am (local time epicenter).

Nearby country/countries that might be effected, Mexico (c. 112 469 000 pop). The epicenter was 58 km (36 miles) from Salina Cruz (c. 73 600 pop), 37 km (23 miles) from Juchitán de Zaragoza (c. 67 600 pop), 59 km (37 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 52 km (32 miles) from San Jerónimo Ixtepec (c. 23 200 pop), 85 km (53 miles) from Arriaga (c. 22 800 pop), 71 km (44 miles) from Matías Romero (c. 21 100 pop). Nearest cities/city/villages to epicentrum/hypocenter was Jalapa, Arriaga, Colonia Rincón Viejo (min 5000 pop).

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

Did you feel anything?

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. 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: 6 km E of San Dionisio del Mar, Mexico.

More information

Parameter	Value	Description
Magnitude	4.1 mb	The magnitude for the event.
Longitude	-94.6878° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	16.3406° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	111.71 km	Depth of the event in kilometers.
Place	6km E of San Dionisio 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	2017-12-31 11:42:41	Time when the event occurred. UTC/GMT
Updated	2017-12-31 12:02:21	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	2.45	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.35 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	us1000byhi	Id of event.
Event Code	1000byhi	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us1000byhi,	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

-94.6878° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

16.3406° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

111.71 km

Depth of the event in kilometers.

Place

6km E of San Dionisio 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

2017-12-31 11:42:41

Time when the event occurred. UTC/GMT

Updated

2017-12-31 12:02:21

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

2.45

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

Root Mean Square

1.35 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

us1000byhi

Id of event.

Event Code

1000byhi

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

Event IDS

,us1000byhi,

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 Dionisio del Mar in Mexico

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