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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 87 km NE of Iquique, Chile


Earthquake location -19.7091S, -69.5008WA light earthquake with magnitude 4.2 (ml/mb) was detected on Saturday, 87 kilometers (54 miles) from Iquique in Chile. The earthquake occurred at a depth of 89.31 km (55 miles) below the earth’s surface. The temblor was picked up at 08:24:15 / 8:24 am (local time epicenter). Date and time of earthquake in UTC/GMT: 23/04/16 / 2016-04-23 11:24:15 / April 23, 2016 @ 11:24 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -69.5008 West, latitude -19.7091 South, depth = 89.31 km. All ids that are associated to the event: us20005l6h. Unique identifier: us20005l6h.

Epicenter of the earthquake was 88 km (54 miles) from Iquique (c. 227 500 pop). Nearest cities/city/towns to hypocenter/epicentrum was Iquique (min 5000 pop). Nearby country/countries that might be effected, Chile (c. 16 746 000 pop).

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 eight and in the last 365 days fifty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 13,000 light earthquakes in the world.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 87 km NE of Iquique, Chile. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -69.5008° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -19.7091° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 89.31 km Depth of the event in kilometers.
Place 87km NE of Iquique, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-04-23 11:24:15 Time when the event occurred. UTC/GMT
Updated 2016-05-08 12:21:54 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 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 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 0.154 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.51 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 79 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 us20005l6h Id of event.
Event Code 20005l6h An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005l6h, A comma-separated list of event ids that are associated to an event.

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