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Light earthquake 4.2 mag, 78 km SSE of Arica, Chile


Earthquake location -19.1464S, -70.0656WA light earthquake magnitude 4.2 (ml/mb) has occurred on Monday, 78 kilometers (48 miles) from Arica in Chile. Global date and time of event UTC/GMT: 26/07/16 / 2016-07-26 00:02:51 / July 26, 2016 @ 12:02 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 20:02:51 / 8:02 pm (local time epicenter). Event id: us20006hmc. Ids that are associated to the earthquake: us20006hmc. The earthquake occurred at a depth of 69.52 km (43 miles). Exact location of event, depth 69.52 km, -70.0656° West, -19.1464° South.

Epicenter of the earthquake was 79 km (49 miles) from Arica (c. 186 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Arica (min 5000 pop). Nearby country/countries that might be effected, Chile (c. 16 746 000 pop).

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

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 78 km SSE of Arica, Chile.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -70.0656° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -19.1464° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 69.52 km Depth of the event in kilometers.
Place 78km SSE of Arica, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-07-26 00:02:51 Time when the event occurred. UTC/GMT
Updated 2016-07-26 00:27:42 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 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 0.584 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.81 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 136 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 us20006hmc Id of event.
Event Code 20006hmc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20006hmc, A comma-separated list of event ids that are associated to an event.

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