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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.1 quake has struck near Calama in Chile


Earthquake location -22.0734S, -68.7276WA light earthquake with magnitude 4.1 (ml/mb) was reported 48 kilometers (30 miles) from Calama in Chile on Monday. The temblor was detected at 07:27:54 / 7:27 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 130.94 km (81 miles). Event ids that are associated to the earthquake: us100036a8. Id of event: us100036a8. Date and time of earthquake in UTC/GMT: 31/08/15 / 2015-08-31 11:27:54 / August 31, 2015 @ 11:27 am. Exact location, longitude -68.7276° West, latitude -22.0734° South, depth = 130.94 km.

Nearby country/countries that might be effected, Chile (c. 16 746 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Calama (min 5000 pop). Earthquake epicenter was 47 km (29 miles) from Calama (c. 143 100 pop).

There are an estimated 13,000 light quakes in the world each year. 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 three, in the past 30 days four and in the last 365 days fourty-seven earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel anything?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 48 km NNE of Calama, Chile. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -68.7276° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -22.0734° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 130.94 km Depth of the event in kilometers.
Place 48km NNE of Calama, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-08-31 11:27:54 Time when the event occurred. UTC/GMT
Updated 2015-09-19 06:36:56 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 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 259 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 0.563 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.43 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 90 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 us100036a8 Id of event.
Event Code 100036a8 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100036a8, A comma-separated list of event ids that are associated to an event.

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