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Light earthquake, 4.5 mag was detected near Santa Cruz in Chile

Posted by admin on July 28, 2020 0 Comments

A light earthquake magnitude 4.5 (ml/mb) has struck on Tuesday, 38 kilometers (24 miles) from Santa Cruz in Chile. The earthquake occurred at a depth of 45.22 km (28 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us6000b543. Event ids that are associated: us6000b543. The temblor was picked up at 00:40:04 / 12:40 am (local time epicenter). Exact time and date of earthquake 28/07/20 / 2020-07-28 00:40:04 / July 28, 2020 @ 12:40 am UTC/GMT. Exact location of event, depth 45.22 km, -71.7493° West, -34.7734° South.

Epicenter of the earthquake was 73 km (45 miles) from Talca (c. 197 500 pop), 52 km (32 miles) from Curicó (c. 102 400 pop), 91 km (57 miles) from Rengo (c. 38 100 pop), 87 km (54 miles) from Constitución (c. 37 900 pop), 38 km (24 miles) from Santa Cruz (c. 33 300 pop), 57 km (35 miles) from Molina (c. 28 800 pop), 72 km (45 miles) from San Vicente (c. 22 600 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was San Javier, Rengo, San Clemente. Close country/countries, Chile (c. 16 746 000 pop) (That might be effected).

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

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 38 km WSW of Santa Cruz, Chile.

More information

Parameter	Value	Description
Magnitude	4.5 mb	The magnitude for the event.
Longitude	-71.7493° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-34.7734° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	45.22 km	Depth of the event in kilometers.
Place	38 km WSW of Santa Cruz, Chile	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-07-28 00:40:04	Time when the event occurred. UTC/GMT
Updated	2020-07-28 00:58:01	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	2	The total number of felt reports
CDI	2.7	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	312	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	0.278	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.71 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	67	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	us6000b543	Id of event.
Event Code	6000b543	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000b543,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.5 mag was detected near Santa Cruz in Chile

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