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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Talcahuano in Chile



Earthquake location -36.65S, -73.572WA light earthquake with magnitude 4.3 (ml/mb) was reported 41 kilometers (25 miles) from Talcahuano in Chile on Tuesday. The earthquake was roughly at a depth of 10.4 km (6 miles). Unique identifier: us1000768x. Ids that are associated to the event: us1000768x. The temblor was detected at 02:13:09 / 2:13 am (local time epicenter). Date and time of earthquake in UTC/GMT: 08/11/16 / 2016-11-08 07:13:09 / November 8, 2016 @ 7:13 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -73.572° West, latitude -36.65° South, depth = 10.4 km.

Event epicenter was 41 km (26 miles) from Talcahuano (c. 253 000 pop), 51 km (31 miles) from Concepción (c. 215 400 pop), 57 km (36 miles) from Coronel (c. 92 900 pop), 57 km (36 miles) from Chiguayante (c. 82 500 pop), 61 km (38 miles) from Lota (c. 49 800 pop), 55 km (34 miles) from Tomé (c. 46 700 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Arauco, Lota, Coronel. Nearby country/countries that might be effected, Chile (c. 16 746 000 pop).

In the past 24 hours, there have been seven, in the last 10 days seven, in the past 30 days nine and in the last 365 days twenty-five 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.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 41 km W of Talcahuano, Chile.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -73.572° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -36.65° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10.4 km Depth of the event in kilometers.
Place 41km W of Talcahuano, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-11-08 07:13:09 Time when the event occurred. UTC/GMT
Updated 2016-11-19 11:32:03 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 284 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.91 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us1000768x Id of event.
Event Code 1000768x An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000768x, A comma-separated list of event ids that are associated to an event.

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