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Light earthquake, 4 mag strikes near Salamanca in Chile

Posted by admin on July 12, 2015 0 Comments

Earthquake location -32.0898S, -71.1587WA light earthquake magnitude 4 (ml/mb) has struck on Sunday, 39 kilometers (24 miles) from Salamanca in Chile. The epicenter of the earthquake was roughly 58.09 km (36 miles) below the earth’s surface. Exact location of event, depth 58.09 km, -71.1587° West, -32.0898° South. The 4-magnitude earthquake has occurred at 02:54:50 / 2:54 am (local time epicenter). All ids that are associated to the event: us20002wwk. Unique identifier: us20002wwk. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 12/07/15 / 2015-07-12 06:54:50 / July 12, 2015 @ 6:54 am.

Nearby country/countries, Chile (c. 16 746 000 pop) (That might be effected). Event epicenter was 89 km (55 miles) from Quillota (c. 67 800 pop), 84 km (52 miles) from San Felipe (c. 59 300 pop), 77 km (48 miles) from Hacienda La Calera (c. 49 100 pop), 41 km (25 miles) from La Ligua (c. 24 900 pop), 51 km (32 miles) from Illapel (c. 22 800 pop), 86 km (53 miles) from Llaillay (c. 16 600 pop). Closest city/cities/towns to epicentrum/hypocenter was Quillota, Llaillay, San Felipe (min 5000 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 two and in the last 365 days sixteen earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 13,000 light earthquakes in the world.

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 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: 39 km SSW of Salamanca, Chile.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -71.1587° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -32.0898° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 58.09 km Depth of the event in kilometers.
Place 39km SSW of Salamanca, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-07-12 06:54:50 Time when the event occurred. UTC/GMT
Updated 2015-07-12 22:41:25 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 3.1 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 246 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 0.846 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.58 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 143 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 us20002wwk Id of event.
Event Code 20002wwk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20002wwk, A comma-separated list of event ids that are associated to an event.

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