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Light earthquake: M4.6 quake strikes near Santa Cruz in Chile


Earthquake location -34.9246S, -71.8351WA light earthquake magnitude 4.6 (mg/mb) has struck on Thursday, 53 kilometers (33 miles) from Santa Cruz in Chile. The temblor was reported at 16:34:12 / 4:34 pm (local time epicenter) at a depth of 45.38 km (28 miles). Global time of event 21/05/15 / 2015-05-21 20:34:12 / May 21, 2015 @ 8:34 pm UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude -71.8351 West, latitude -34.9246 South, depth 45.38 km, unique identifier, us10002b90. Ids that are associated to the event, ,us10002b90,.

Close countries, Chile (c. 16 746 000 pop). The epicenter was 58 km (36 miles) from Talca (c. 197 500 pop), 55 km (34 miles) from Curicó (c. 102 400 pop), 69 km (43 miles) from Constitución (c. 37 900 pop), 53 km (33 miles) from Santa Cruz (c. 33 300 pop), 55 km (34 miles) from Molina (c. 28 800 pop), 88 km (55 miles) from San Vicente (c. 22 600 pop), 75 km (47 miles) from San Javier (c. 22 400 pop). Nearest city, towns to epicentrum/hypocenter was San Vicente, Chimbarongo, San Javier.

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Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 53 km SW of Santa Cruz, Chile.


More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -71.8351° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -34.9246° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 45.38 km Depth of the event in kilometers.
Place 53km SW 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 2015-05-21 20:34:12 Time when the event occurred. UTC/GMT
Updated 2015-05-22 03:13:57 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 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 326 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 0.115 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.61 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 108 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 us10002b90 Id of event.
Event Code 10002b90 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10002b90, A comma-separated list of event ids that are associated to an event.

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