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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.4 mag, 78 km WNW of Castro, Chile


Earthquake location -42.2085S, -74.6513WA light earthquake magnitude 4.4 (ml/mb) has occurred on Wednesday, 78 kilometers (48 miles) from Castro in Chile. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude -74.6513 West, latitude -42.2085 South, depth = 10 km. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. The 4.4-magnitude earthquake was detected at 13:24:07 / 1:24 pm (local time epicenter). All ids that are associated to the event: us2000d6zc. Unique identifier: us2000d6zc. Date and time of earthquake in UTC/GMT: 14/02/18 / 2018-02-14 18:24:07 / February 14, 2018 @ 6:24 pm.

Nearby country/countries that might be effected, Chile (c. 16 746 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Chonchi, Ancud, Castro (min 5000 pop). Epicenter of the event was 78 km (48 miles) from Castro (c. 29 900 pop), 79 km (49 miles) from Ancud (c. 28 000 pop), 85 km (53 miles) from Chonchi (c. 12 600 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 one, in the past 30 days one and in the last 365 days five earthquakes of magnitude 3.0 or greater that have been detected in the same area. Every year there are an estimated 13,000 light earthquakes in the world.

Did you feel the quake?

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. 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: 78 km WNW of Castro, Chile.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -74.6513° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -42.2085° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 78km WNW of Castro, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-02-14 18:24:07 Time when the event occurred. UTC/GMT
Updated 2018-03-06 23:24:55 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 298 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 0.76 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.92 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 192 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 us2000d6zc Id of event.
Event Code 2000d6zc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000d6zc, A comma-separated list of event ids that are associated to an event.

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