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Light earthquake: M4.7 quake has struck near Raoul Island in New Zealand

Posted by admin on October 20, 2017 0 Comments

Earthquake location -30.0962S, -177.0816WA light earthquake magnitude 4.7 (ml/mb) has occurred on Thursday, 121 km SE of Raoul Island, New Zealand (75 miles). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 20/10/17 / 2017-10-20 10:36:50 / October 20, 2017 @ 10:36 am. The temblor was picked up at 22:36:50 / 10:36 pm (local time epicenter). Exact location, longitude -177.0816° West, latitude -30.0962° South, depth = 10 km. All ids that are associated to the event: us1000auii. Unique identifier: us1000auii. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days three and in the last 365 days sixty-seven 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.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 121 km SE of Raoul Island, New Zealand. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -177.0816° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.0962° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 121km SE of Raoul Island, New Zealand Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-10-20 10:36:50 Time when the event occurred. UTC/GMT
Updated 2017-10-20 10:57:19 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 340 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 1.124 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.49 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 179 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 us1000auii Id of event.
Event Code 1000auii An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000auii, A comma-separated list of event ids that are associated to an event.

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