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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 147 km NE of San Pedro de Atacama, Chile

Earthquake location -21.8999S, -67.2939WA light earthquake with magnitude 4 (ml/mb) was detected on Friday, 147 km NE of San Pedro de Atacama, Chile (91 miles). Exact location of earthquake, -67.2939° West, -21.8999° South, depth 180.65 km. Exact time and date of event in UTC/GMT: 14/07/18 / 2018-07-14 03:17:51 / July 14, 2018 @ 3:17 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 23:17:51 / 11:17 pm (local time epicenter). The earthquake was roughly at a depth of 180.65 km (112 miles). All ids that are associated to the event: us2000g4tv. Unique identifier: us2000g4tv.

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

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 147 km NE of San Pedro de Atacama, Chile. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -67.2939° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.8999° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 180.65 km Depth of the event in kilometers.
Place 147km NE of San Pedro de Atacama, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-07-14 03:17:51 Time when the event occurred. UTC/GMT
Updated 2018-08-02 23:46:15 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 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 1.329 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.97 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 34 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 us2000g4tv Id of event.
Event Code 2000g4tv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000g4tv, A comma-separated list of event ids that are associated to an event.

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