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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Salamanca in Chile



Earthquake location -32.1155S, -70.26WA light earthquake with magnitude 4.2 (ml/mb) was reported 77 kilometers (48 miles) from Salamanca in Chile on Tuesday. Unique identifier: us1000athc. Ids that are associated to the event: us1000athc. The temblor was reported at 18:08:11 / 6:08 pm (local time epicenter). The earthquake occurred at a depth of 119.59 km (74 miles). Global time and date of event 17/10/17 / 2017-10-17 21:08:11 / October 17, 2017 @ 9:08 pm UTC/GMT. Exact location of event, depth 119.59 km, -70.26° West, -32.1155° South. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearby country/countries, Chile (c. 16 746 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Los Andes, San Felipe, Salamanca (min 5000 pop). The epicenter was 83 km (52 miles) from San Felipe (c. 59 300 pop), 86 km (53 miles) from Los Andes (c. 56 900 pop), 76 km (47 miles) from Salamanca (c. 13 300 pop).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days two and in the last 365 days nine earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world.

Did you feel anything?

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. 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: 77 km ESE of Salamanca, Chile.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -70.26° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -32.1155° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 119.59 km Depth of the event in kilometers.
Place 77km ESE 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 2017-10-17 21:08:11 Time when the event occurred. UTC/GMT
Updated 2017-11-09 04:20:57 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 271 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 0.691 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.95 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 104 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 us1000athc Id of event.
Event Code 1000athc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000athc, A comma-separated list of event ids that are associated to an event.

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