Light earthquake: M4.7 quake has struck near Lebu in Chile

A light earthquake magnitude 4.7 (ml/mb) has occurred on Sunday, 164 km WSW of Lebu, Chile (102 miles). Event id: us10003l9d. Ids that are associated to the earthquake: us10003l9d. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 10.74 km (7 miles) below the earth’s surface. The temblor was reported at 22:57:33 / 10:57 pm (local time epicenter). Exact location of event, longitude -75.3835 West, latitude -38.1821 South, depth = 10.74 km. Global date and time of event UTC/GMT: 21/09/15 / 2015-09-21 03:57:33 / September 21, 2015 @ 3:57 am.

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

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 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: 164 km WSW of Lebu, Chile.

Chile Lebu

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Parameter	Value	Description
Magnitude	4.7 mb	The magnitude for the event.
Longitude	-75.3835° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-38.1821° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10.74 km	Depth of the event in kilometers.
Place	164km WSW of Lebu, Chile	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2015-09-21 03:57:33	Time when the event occurred. UTC/GMT
Updated	2015-10-12 00:28:28	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	340	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	2.777	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.13 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	147	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	us10003l9d	Id of event.
Event Code	10003l9d	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us10003l9d,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.7 quake has struck near Lebu in Chile

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