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Light earthquake: M4.3 quake has struck near Nelson in New Zealand



Earthquake location -41.4201S, 173.3825WA light earthquake magnitude 4.3 (ml/mb) strikes 17 kilometers (11 miles) from Nelson in New Zealand on Thursday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 89.57 km (56 miles). Exact location of earthquake, longitude 173.3825 East, latitude -41.4201 South, depth = 89.57 km. Global date and time of event UTC/GMT: 07/12/17 / 2017-12-07 08:30:15 / December 7, 2017 @ 8:30 am. Event id: us2000c1i1. Ids that are associated to the earthquake: us2000c1i1. The 4.3-magnitude earthquake was detected at 20:30:15 / 8:30 pm (local time epicenter).

Close country/countries that might be effected, New Zealand (c. 4 252 000 pop). The epicenter was 19 km (12 miles) from Nelson (c. 59 200 pop), 49 km (30 miles) from Blenheim (c. 26 600 pop), 19 km (12 miles) from Richmond (c. 14 000 pop), 44 km (27 miles) from Motueka (c. 7 500 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Blenheim, Motueka, Richmond.

Each year there are an estimated 13,000 light earthquakes in the world. 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 four and in the last 365 days thirty-six earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 17 km SSE of Nelson, New Zealand.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 173.3825° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -41.4201° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 89.57 km Depth of the event in kilometers.
Place 17km SSE of Nelson, 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 2017-12-07 08:30:15 Time when the event occurred. UTC/GMT
Updated 2017-12-07 08:46:23 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 0.202 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.69 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 27 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 us2000c1i1 Id of event.
Event Code 2000c1i1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000c1i1, A comma-separated list of event ids that are associated to an event.

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