Minor earthquake 3.9 mag, 95 km WNW of La Ligua, Chile

A minor earthquake magnitude 3.9 (ml/mb) has occurred on Tuesday, 95 km WNW of La Ligua, Chile (59 miles). Unique identifier: us20003mtn. Ids that are associated to the event: us20003mtn. The epicenter was at a depth of 16 km (10 miles). Global time and date of event 22/09/15 / 2015-09-22 10:01:46 / September 22, 2015 @ 10:01 am UTC/GMT. The temblor was picked up at 05:01:46 / 5:01 am (local time epicenter). Exact location of earthquake, longitude -72.1695 West, latitude -32.1192 South, depth = 16 km.

In the past 24 hours, there have been twelve, in the last 10 days ninety-eight, in the past 30 days ninety-eight and in the last 365 days one hundred and eleven earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 95 km WNW of La Ligua, Chile.

Chile La Ligua

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	-72.1695° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-32.1192° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	16 km	Depth of the event in kilometers.
Place	95km WNW of La Ligua, Chile	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2015-09-22 10:01:46	Time when the event occurred. UTC/GMT
Updated	2015-09-22 12:57:04	Time when the event was most recently updated. UTC/GMT
Timezone offset	-300	Timezone offset from UTC in minutes at the event epicenter.
Felt	0	The total number of felt reports
CDI	1	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	234	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	1.006	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.77 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	193	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mwr	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us20003mtn	Id of event.
Event Code	20003mtn	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us20003mtn,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.9 mag, 95 km WNW of La Ligua, Chile

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