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Light earthquake, 4.4 mag strikes near Ovalle in Chile

Posted by admin on September 21, 2015 0 Comments

A light earthquake magnitude 4.4 (ml/mb) has struck on Monday, 36 kilometers (22 miles) from Ovalle in Chile. Exact time and date of earthquake 21/09/15 / 2015-09-21 07:18:37 / September 21, 2015 @ 7:18 am UTC/GMT. The earthquake occurred at a depth of 30.28 km (19 miles) below the earth’s surface. Event ids that are associated to the earthquake: us20003mdh. Id of event: us20003mdh. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.4-magnitude earthquake has occurred at 04:18:37 / 4:18 am (local time epicenter). Exact location of event, depth 30.28 km, -71.5769° West, -30.6549° South.

Close country/countries that might be effected, Chile (c. 16 746 000 pop). The epicenter was 81 km (50 miles) from Coquimbo (c. 161 300 pop), 89 km (55 miles) from La Serena (c. 154 500 pop), 37 km (23 miles) from Ovalle (c. 77 100 pop), 59 km (37 miles) from Monte Patria (c. 13 900 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was La Serena, Coquimbo, Monte Patria.

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

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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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 36 km W of Ovalle, Chile. This information comes from the USGS Earthquake Notification Service.

More information

Parameter	Value	Description
Magnitude	4.4 mb	The magnitude for the event.
Longitude	-71.5769° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-30.6549° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	30.28 km	Depth of the event in kilometers.
Place	36km W of Ovalle, 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 07:18:37	Time when the event occurred. UTC/GMT
Updated	2015-09-21 08:57:59	Time when the event was most recently updated. UTC/GMT
Timezone offset	-180	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	298	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	0.053	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.48 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	80	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	us20003mdh	Id of event.
Event Code	20003mdh	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us20003mdh,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.4 mag strikes near Ovalle in Chile

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