Moderate earthquake, 5.2 mag strikes near San Antonio in Chile

A moderate earthquake magnitude 5.2 (ml/mb) has occurred on Wednesday, 9 kilometers (6 miles) from San Antonio in Chile. Exact time and date of earthquake 05/12/18 / 2018-12-05 17:12:13 / December 5, 2018 @ 5:12 pm UTC/GMT. The epicenter of the earthquake was roughly 40.83 km (25 miles) below the earth’s surface. Exact location, longitude -71.6664° West, latitude -33.6721° South, depth = 40.83 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us1000i2xc. Event ids that are associated: us1000i2xc. The 5.2-magnitude earthquake has occurred at 13:12:13 / 1:12 pm (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Hacienda La Calera, Chicureo Abajo, Villa Presidente Frei, Ñuñoa, Santiago, Chile (min 5000 pop). Earthquake epicenter was 97 km (60 miles) from Santiago (c. 4 837 300 pop), 101 km (63 miles) from Puente Alto (c. 510 400 pop), 73 km (45 miles) from Viña del Mar (c. 294 600 pop), 70 km (44 miles) from Valparaíso (c. 282 400 pop), 90 km (56 miles) from San Bernardo (c. 249 900 pop), 102 km (63 miles) from Rancagua (c. 212 700 pop), 96 km (60 miles) from La Pintana (c. 201 200 pop). Country/countries that might be effected, Chile (c. 16 746 000 pop).

There are an estimated 1320 moderate quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days five and in the last 365 days twenty-three earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. 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: 9 km SSW of San Antonio, Chile.

More information

Parameter	Value	Description
Magnitude	5.2 mb	The magnitude for the event.
Longitude	-71.6664° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-33.6721° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	40.83 km	Depth of the event in kilometers.
Place	9km SSW of San Antonio, Chile	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-12-05 17:12:13	Time when the event occurred. UTC/GMT
Updated	2018-12-05 17:29:33	Time when the event was most recently updated. UTC/GMT
Timezone offset	-240	Timezone offset from UTC in minutes at the event epicenter.
Felt	32	The total number of felt reports
CDI	5	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	432	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	0.045	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.94 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	73	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	us1000i2xc	Id of event.
Event Code	1000i2xc	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us1000i2xc,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

5.2 mb

The magnitude for the event.

Longitude

-71.6664° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

-33.6721° South

Decimal degrees latitude. Negative values for southern latitudes.

Depth

40.83 km

Depth of the event in kilometers.

Place

9km SSW of San Antonio, Chile

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

Time

2018-12-05 17:12:13

Time when the event occurred. UTC/GMT

Updated

2018-12-05 17:29:33

Time when the event was most recently updated. UTC/GMT

Timezone offset

-240

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

432

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

0.045

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

Root Mean Square

0.94 sec

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

Azimuthal Gap

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

us1000i2xc

Id of event.

Event Code

1000i2xc

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

Event IDS

,us1000i2xc,

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

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Moderate earthquake, 5.2 mag strikes near San Antonio in Chile

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