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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 78 km WSW of Calingasta, Argentina


Earthquake location -31.6892S, -70.1253WA light earthquake with magnitude 4 (ml/mb) was reported 78 kilometers (48 miles) from Calingasta in Argentina on Wednesday. Global date and time of event UTC/GMT: 04/04/18 / 2018-04-04 17:44:54 / April 4, 2018 @ 5:44 pm. The earthquake occurred at a depth of 153.23 km (95 miles). Id of earthquake: us1000de7s. Event ids that are associated: us1000de7s. The 4-magnitude earthquake was detected at 14:44:54 / 2:44 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 153.23 km, -70.1253° West, -31.6892° South.

Closest city/cities/towns to epicentrum/hypocenter was Salamanca, Calingasta (min 5000 pop). Nearby country/countries, Argentina (c. 41 343 000 pop), Chile (c. 16 746 000 pop) (That might be effected). Event epicenter was 80 km (50 miles) from Salamanca (c. 13 300 pop), 79 km (49 miles) from Calingasta (c. 8 200 pop).

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

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 78 km WSW of Calingasta, Argentina.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -70.1253° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.6892° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 153.23 km Depth of the event in kilometers.
Place 78km WSW of Calingasta, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-04-04 17:44:54 Time when the event occurred. UTC/GMT
Updated 2018-04-05 13:29:39 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 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 0.89 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.35 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 167 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us1000de7s Id of event.
Event Code 1000de7s An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000de7s, A comma-separated list of event ids that are associated to an event.

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