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Light earthquake, 4.7 mag was detected near Santa Cruz in Chile

Posted by admin on July 30, 2018 0 Comments

Earthquake location -34.7466S, -71.7397WA light earthquake with magnitude 4.7 (ml/mb) was reported 36 kilometers (22 miles) from Santa Cruz in Chile on Monday. Exact location of event, depth 49.41 km, -71.7397° West, -34.7466° South. The epicenter of the earthquake was roughly 49.41 km (31 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 30/07/18 / 2018-07-30 18:45:35 / July 30, 2018 @ 6:45 pm. The temblor was reported at 14:45:35 / 2:45 pm (local time epicenter). Event id: us2000gheu. Ids that are associated to the earthquake: us2000gheu.

Nearest cities/city/villages to epicentrum/hypocenter was San Javier, San Clemente, Constitución (min 5000 pop). Close country/countries that might be effected, Chile (c. 16 746 000 pop). Event epicenter was 76 km (47 miles) from Talca (c. 197 500 pop), 53 km (33 miles) from Curicó (c. 102 400 pop), 89 km (55 miles) from Rengo (c. 38 100 pop), 89 km (56 miles) from Constitución (c. 37 900 pop), 36 km (23 miles) from Santa Cruz (c. 33 300 pop), 58 km (36 miles) from Molina (c. 28 800 pop), 69 km (43 miles) from San Vicente (c. 22 600 pop).

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 one and in the last 365 days twenty-one earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 13,000 light earthquakes in the world each year.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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 WSW of Santa Cruz, Chile. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -71.7397° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -34.7466° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 49.41 km Depth of the event in kilometers.
Place 36km 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 2018-07-30 18:45:35 Time when the event occurred. UTC/GMT
Updated 2018-07-30 20:19:34 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 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 0.305 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.47 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 68 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 us2000gheu Id of event.
Event Code 2000gheu An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000gheu, A comma-separated list of event ids that are associated to an event.

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