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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag was detected near the Kermadec Islands

Posted by admin on August 1, 2017 0 Comments

Earthquake location -34.9515S, -178.3947WA light earthquake with magnitude 4.3 (ml/mb) was reported South of the Kermadec Islands (0 miles) on Friday. Exact location of event, depth 10 km, -178.3947° West, -34.9515° South. Exact time and date of event in UTC/GMT: 21/07/17 / 2017-07-21 21:03:02 / July 21, 2017 @ 9:03 pm. The 4.3-magnitude earthquake has occurred at 09:03:02 / 9:03 am (local time epicenter). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us2000a1dc. Ids that are associated to the earthquake: us2000a1dc.

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 earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 13,000 light quakes in the world each year.

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: South of the Kermadec Islands.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -178.3947° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -34.9515° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place South of the Kermadec Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-07-21 21:03:02 Time when the event occurred. UTC/GMT
Updated 2017-08-01 02:30:36 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 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 5.209 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.06 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 223 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 us2000a1dc Id of event.
Event Code 2000a1dc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a1dc, A comma-separated list of event ids that are associated to an event.

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