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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag has occurred near Arica in Chile

Posted by admin on May 12, 2018 0 Comments

Earthquake location -18.8308S, -69.8216WA light earthquake with magnitude 4.1 (ml/mb) was detected on Saturday, 64 kilometers (40 miles) from Arica in Chile. Unique identifier: us1000dysm. Ids that are associated to the event: us1000dysm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 103.37 km (64 miles). Exact location of event, longitude -69.8216 West, latitude -18.8308 South, depth = 103.37 km. The temblor was reported at 08:46:43 / 8:46 am (local time epicenter). Date and time of earthquake in UTC/GMT: 05/05/18 / 2018-05-05 12:46:43 / May 5, 2018 @ 12:46 pm.

Epicenter of the event was 64 km (40 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).

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

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 64 km SE of Arica, Chile.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -69.8216° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.8308° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 103.37 km Depth of the event in kilometers.
Place 64km SE 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 2018-05-05 12:46:43 Time when the event occurred. UTC/GMT
Updated 2018-05-12 06:34:59 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 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 0.526 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.83 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 103 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 us1000dysm Id of event.
Event Code 1000dysm An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000dysm, A comma-separated list of event ids that are associated to an event.

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