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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near Gataivai in Samoa

Posted by admin on December 3, 2017 0 Comments

Earthquake location -14.0146S, -172.6582WA light earthquake magnitude 4.5 (ml/mb) has struck on Saturday, 39 kilometers (24 miles) from Gataivai in Samoa. Exact location, longitude -172.6582° West, latitude -14.0146° South, depth = 10 km. The temblor was reported at 03:42:43 / 3:42 am (local time epicenter). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Event ids that are associated to the earthquake: us2000bn9a. Id of event: us2000bn9a. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 04/11/17 / 2017-11-04 15:42:43 / November 4, 2017 @ 3:42 pm.

Epicenter of the event was 55 km (34 miles) from Asau (c. 6 600 pop), 70 km (44 miles) from Mulifanua (c. 4 500 pop), 78 km (49 miles) from Leulumoega (c. 1 500 pop), 48 km (30 miles) from Vailoa (c. 800 pop), 55 km (34 miles) from A’opo (c. 400 pop). Nearby country/countries, Samoa (c. 192 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Leulumoega, Mulifanua, Asau (min 5000 pop).

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 four earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 39 km SW of Gataivai, Samoa. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -172.6582° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -14.0146° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 39km SW of Gataivai, Samoa Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-11-04 15:42:43 Time when the event occurred. UTC/GMT
Updated 2017-12-03 21:28:38 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 312 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 5.673 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 257 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 us2000bn9a Id of event.
Event Code 2000bn9a An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000bn9a, A comma-separated list of event ids that are associated to an event.

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