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Light earthquake: M4.5 quake has struck near Gataivai in Samoa

Posted by admin on July 8, 2015 0 Comments

Earthquake location -14.8525S, -172.8602WA light earthquake with magnitude 4.5 (ml/mb) was reported 129 km SSW of Gataivai, Samoa (80 miles) on Wednesday. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Id of earthquake: us20002w2p. Event ids that are associated: us20002w2p. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -172.8602 West, latitude -14.8525 South, depth = 10 km. The temblor was reported at 05:25:54 / 5:25 am (local time epicenter). Global date and time of event UTC/GMT: 08/07/15 / 2015-07-08 17:25:54 / July 8, 2015 @ 5:25 pm.

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

Questions or comments?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 129 km SSW of Gataivai, Samoa. This data 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 -172.8602° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -14.8525° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 129km SSW 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 2015-07-08 17:25:54 Time when the event occurred. UTC/GMT
Updated 2015-07-08 22:09:11 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 1.407 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.29 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 195 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 us20002w2p Id of event.
Event Code 20002w2p An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20002w2p, A comma-separated list of event ids that are associated to an event.

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