Light earthquake: M4.3 quake has struck near Calama in Chile

A light earthquake with magnitude 4.3 (ml/mb) was reported 97 km NNE of Calama, Chile (60 miles) on Saturday. Exact location of event, depth 127.35 km, -68.4305° West, -21.7256° South. Global time and date of event 31/07/16 / 2016-07-31 03:41:44 / July 31, 2016 @ 3:41 am UTC/GMT. 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 127.35 km (79 miles) below the earth’s surface. The temblor was reported at 23:41:44 / 11:41 pm (local time epicenter). Event id: us100068wj. Ids that are associated to the earthquake: us100068wj.

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been two, in the last 10 days five, in the past 30 days nine and in the last 365 days sixty-four 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.

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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: 97 km NNE of Calama, Chile.

Calama Chile

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Parameter	Value	Description
Magnitude	4.3 mb	The magnitude for the event.
Longitude	-68.4305° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-21.7256° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	127.35 km	Depth of the event in kilometers.
Place	97km NNE of Calama, Chile	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2016-07-31 03:41:44	Time when the event occurred. UTC/GMT
Updated	2016-08-04 21:20:10	Time when the event was most recently updated. UTC/GMT
Timezone offset	-240	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	284	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	0.757	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.09 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	32	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	us100068wj	Id of event.
Event Code	100068wj	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us100068wj,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.3 quake has struck near Calama in Chile

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