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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4 quake has struck near Iquique in Chile


Earthquake location -20.9403S, -68.9011WA light earthquake magnitude 4 (ml/mb) strikes 152 km ESE of Iquique, Chile (94 miles) on Friday. Global date and time of event UTC/GMT: 13/12/19 / 2019-12-13 08:49:34 / December 13, 2019 @ 8:49 am. Event id: us60006qyn. Ids that are associated to the earthquake: us60006qyn. Exact location of earthquake, longitude -68.9011 West, latitude -20.9403 South, depth = 98.47 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 98.47 km (61 miles) below the earth’s surface. The 4-magnitude earthquake was detected at 04:49:34 / 4:49 am (local time epicenter).

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

How would you describe the shaking?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 152 km ESE of Iquique, Chile. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -68.9011° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -20.9403° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 98.47 km Depth of the event in kilometers.
Place 152km ESE 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 2019-12-13 08:49:34 Time when the event occurred. UTC/GMT
Updated 2020-01-09 09:53:05 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 0.557 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.56 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 95 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 us60006qyn Id of event.
Event Code 60006qyn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60006qyn, A comma-separated list of event ids that are associated to an event.

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