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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag has occurred near Arica in Chile

Earthquake location -19.2013S, -70.0326WA light earthquake magnitude 4 (ml/mb) strikes 85 kilometers (53 miles) from Arica in Chile on Thursday. Exact location of earthquake, -70.0326° West, -19.2013° South, depth 67.45 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 67.45 km (42 miles) below the earth’s surface. Global date and time of event UTC/GMT: 30/03/17 / 2017-03-30 07:10:27 / March 30, 2017 @ 7:10 am. Event ids that are associated to the earthquake: us10008d8e. Id of event: us10008d8e. The 4-magnitude earthquake has occurred at 03:10:27 / 3:10 am (local time epicenter).

Event epicenter was 85 km (53 miles) from Arica (c. 186 000 pop). Nearby country/countries, Chile (c. 16 746 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Arica (min 5000 pop).

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

Questions or comments?

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. 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: 85 km SSE of Arica, Chile.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -70.0326° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -19.2013° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 67.45 km Depth of the event in kilometers.
Place 85km 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 2017-03-30 07:10:27 Time when the event occurred. UTC/GMT
Updated 2017-04-02 05:05:49 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 0.419 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.49 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 148 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 us10008d8e Id of event.
Event Code 10008d8e An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008d8e, A comma-separated list of event ids that are associated to an event.

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