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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.5 mag, 20 km NNW of Putre, Chile


Earthquake location -18.0167S, -69.6122WA light earthquake with magnitude 4.5 (ml/mb) was detected on Saturday, 20 kilometers (12 miles) from Putre in Chile. Exact location of event, longitude -69.6122 West, latitude -18.0167 South, depth = 136.87 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.5-magnitude earthquake has occurred at 09:46:41 / 9:46 am (local time epicenter). Global date and time of event UTC/GMT: 05/05/18 / 2018-05-05 13:46:41 / May 5, 2018 @ 1:46 pm. Event id: us1000dyte. Ids that are associated to the earthquake: us1000dyte. The earthquake was roughly at a depth of 136.87 km (85 miles).

Closest city/cities/towns to epicentrum/hypocenter was Arica, Tacna (min 5000 pop). Country/countries that might be effected, Chile (c. 16 746 000 pop), Peru (c. 29 907 000 pop). The epicenter was 68 km (42 miles) from Tacna (c. 280 100 pop), 89 km (55 miles) from Arica (c. 186 000 pop).

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

Questions or comments?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 20 km NNW of Putre, Chile. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -69.6122° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.0167° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 136.87 km Depth of the event in kilometers.
Place 20km NNW of Putre, 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 13:46:41 Time when the event occurred. UTC/GMT
Updated 2018-06-02 20:17:14 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 312 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 0.443 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.13 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 67 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 us1000dyte Id of event.
Event Code 1000dyte An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000dyte, A comma-separated list of event ids that are associated to an event.

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