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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag strikes near San Antonio in Chile

Earthquake location -33.763S, -72.009WA light earthquake with magnitude 4.4 (ml/mb) was reported 40 kilometers (25 miles) from San Antonio in Chile on Tuesday. Date and time of earthquake in UTC/GMT: 15/09/15 / 2015-09-15 15:28:58 / September 15, 2015 @ 3:28 pm. The epicenter was at a depth of 25.43 km (16 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -72.009 West, latitude -33.763 South, depth = 25.43 km. All ids that are associated to the event: us20003jm7. Unique identifier: us20003jm7. The temblor was reported at 12:28:58 / 12:28 pm (local time epicenter).

Nearby country/countries, Chile (c. 16 746 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Viña del Mar, Valparaíso, Melipilla. Epicenter of the earthquake was 92 km (57 miles) from Viña del Mar (c. 294 600 pop), 88 km (55 miles) from Valparaíso (c. 282 400 pop), 42 km (26 miles) from San Antonio (c. 85 700 pop), 74 km (46 miles) from Melipilla (c. 63 100 pop), 44 km (27 miles) from Cartagena (c. 16 900 pop).

Each year there are an estimated 13,000 light quakes in the world. 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 two and in the last 365 days twenty-three earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel it?

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: 40 km WSW of San Antonio, Chile.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -72.009° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -33.763° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 25.43 km Depth of the event in kilometers.
Place 40km WSW of San Antonio, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-09-15 15:28:58 Time when the event occurred. UTC/GMT
Updated 2015-09-15 16:54:58 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 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 0.345 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.8 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 142 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 us20003jm7 Id of event.
Event Code 20003jm7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003jm7, A comma-separated list of event ids that are associated to an event.

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