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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Blenheim in New Zealand

Earthquake location -41.7291S, 174.4879WA light earthquake magnitude 4.2 (ml/mb) strikes 50 kilometers (31 miles) from Blenheim in New Zealand on Monday. Exact location of earthquake, longitude 174.4879 East, latitude -41.7291 South, depth = 16.76 km. Id of earthquake: us20008j03. Event ids that are associated: us20008j03. Exact time and date of event in UTC/GMT: 29/01/17 / 2017-01-29 13:10:23 / January 29, 2017 @ 1:10 pm. The earthquake occurred at a depth of 16.76 km (10 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 01:10:23 / 1:10 am (local time epicenter).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Upper Hutt, Porirua, Lower Hutt. Country/countries that might be effected, New Zealand (c. 4 252 000 pop). The epicenter was 55 km (34 miles) from Wellington (c. 381 900 pop), 67 km (42 miles) from Lower Hutt (c. 101 200 pop), 73 km (45 miles) from Porirua (c. 50 900 pop), 81 km (50 miles) from Upper Hutt (c. 38 400 pop), 50 km (31 miles) from Blenheim (c. 26 600 pop), 64 km (40 miles) from Petone (c. 6 600 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days nine and in the last 365 days one hundred and ninety-nine earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 13,000 light earthquakes in the world each year.

Did you feel the quake?

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. 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: 50 km ESE of Blenheim, New Zealand.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 174.4879° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -41.7291° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 16.76 km Depth of the event in kilometers.
Place 50km ESE 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 2017-01-29 13:10:23 Time when the event occurred. UTC/GMT
Updated 2017-02-16 15:18:50 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 271 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 0.206 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.61 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 105 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 us20008j03 Id of event.
Event Code 20008j03 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008j03, A comma-separated list of event ids that are associated to an event.

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