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Light earthquake: M4.5 quake has struck near Blenheim in New Zealand

Posted by admin on December 20, 2020 0 Comments

Earthquake location -42.1496S, 173.6478WA light earthquake magnitude 4.5 (ml/mb) has struck on Sunday, 74 kilometers (46 miles) from Blenheim in New Zealand. The earthquake occurred at a depth of 7.59 km (5 miles) below the earth’s surface. Event id: us7000csqc. Ids that are associated to the earthquake: us7000csqc. Global date and time of event UTC/GMT: 20/12/20 / 2020-12-20 16:55:50 / December 20, 2020 @ 4:55 pm. Exact location of event, depth 7.59 km, 173.6478° East, -42.1496° South. The temblor was reported at 16:55:50 / 4:55 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Epicenter of the earthquake was 75 km (47 miles) from Blenheim (c. 26 600 pop). Nearby country/countries that might be effected, New Zealand (c. 4 252 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Blenheim.

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 ten 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.

Did you feel it?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 74 km SSW of Blenheim, New Zealand.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 173.6478° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -42.1496° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.59 km Depth of the event in kilometers.
Place 74 km SSW of Blenheim, 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 2020-12-20 16:55:50 Time when the event occurred. UTC/GMT
Updated 2020-12-20 17:21:40 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 0.124 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.6 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 97 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 us7000csqc Id of event.
Event Code 7000csqc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000csqc, A comma-separated list of event ids that are associated to an event.

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