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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.1 mag, 46 km WSW of Valparaiso, Chile



Earthquake location -33.2199S, -72.0828WA light earthquake with magnitude 4.1 (ml/mb) was detected on Friday, 46 kilometers (29 miles) from Valparaiso in Chile. The 4.1-magnitude earthquake has occurred at 11:51:51 / 11:51 am (local time epicenter). Exact location of earthquake, longitude -72.0828 West, latitude -33.2199 South, depth = 20.59 km. Global date and time of event UTC/GMT: 28/04/17 / 2017-04-28 16:51:51 / April 28, 2017 @ 4:51 pm. Id of earthquake: us10008lmk. Event ids that are associated: us10008lmk. 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 20.59 km (13 miles) below the earth’s surface.

Earthquake epicenter was 54 km (34 miles) from Viña del Mar (c. 294 600 pop), 47 km (29 miles) from Valparaíso (c. 282 400 pop), 63 km (39 miles) from Quilpué (c. 130 300 pop), 69 km (43 miles) from Villa Alemana (c. 97 300 pop), 61 km (38 miles) from San Antonio (c. 85 700 pop), 86 km (54 miles) from Quillota (c. 67 800 pop). Nearest cities/city/villages to epicentrum/hypocenter was Quillota, Limache, Villa Alemana (min 5000 pop). Nearby country/countries, Chile (c. 16 746 000 pop) (That might be effected).

In the past 24 hours, there have been eleven, in the last 10 days seventy-three, in the past 30 days seventy-three and in the last 365 days ninety-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Questions or comments?

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: 46 km WSW of Valparaiso, Chile.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -72.0828° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -33.2199° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.59 km Depth of the event in kilometers.
Place 46km WSW of Valparaiso, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-04-28 16:51:51 Time when the event occurred. UTC/GMT
Updated 2017-04-28 17:02:40 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 259 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 0.422 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.53 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 174 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 us10008lmk Id of event.
Event Code 10008lmk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008lmk, A comma-separated list of event ids that are associated to an event.

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