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Light World Earthquakes Magnitude 4-4.9

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


Earthquake location -22.69S, -69.047WA light earthquake magnitude 4.1 (ml/mb) strikes 27 kilometers (17 miles) from Calama in Chile on Thursday. The 4.1-magnitude earthquake was detected at 01:19:28 / 1:19 am (local time epicenter). Global time and date of event 02/07/15 / 2015-07-02 05:19:28 / July 2, 2015 @ 5:19 am UTC/GMT. The earthquake occurred at a depth of 105.3 km (65 miles) below the earth’s surface. Exact location of event, longitude -69.047 West, latitude -22.69 South, depth = 105.3 km. Id of earthquake: us10002myi. Event ids that are associated: us10002myi. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Calama. Earthquake epicenter was 29 km (18 miles) from Calama (c. 143 100 pop). Country/countries that might be effected, Chile (c. 16 746 000 pop).

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

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 27 km SSW 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 -69.047° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -22.69° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 105.3 km Depth of the event in kilometers.
Place 27km SSW 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 2015-07-02 05:19:28 Time when the event occurred. UTC/GMT
Updated 2015-07-31 09:38:19 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.35 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 us10002myi Id of event.
Event Code 10002myi An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10002myi, A comma-separated list of event ids that are associated to an event.

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