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Light earthquake: M4 quake has struck near Whitianga in New Zealand

Posted by admin on April 28, 2018 0 Comments

Earthquake location -35.4087S, 178.1711WA light earthquake with magnitude 4 (ml/mb) was reported 272 km NE of Whitianga, New Zealand (169 miles) on Monday. Exact location of earthquake, longitude 178.1711 East, latitude -35.4087 South, depth = 217.72 km. The earthquake was roughly at a depth of 217.72 km (135 miles). Global date and time of event UTC/GMT: 16/04/18 / 2018-04-16 11:30:10 / April 16, 2018 @ 11:30 am. Id of earthquake: us1000dpax. Event ids that are associated: us1000dpax. The 4-magnitude earthquake has occurred at 23:30:10 / 11:30 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days two and in the last 365 days ten earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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 the quake?

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. 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: 272 km NE of Whitianga, New Zealand.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 178.1711° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -35.4087° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 217.72 km Depth of the event in kilometers.
Place 272km NE of Whitianga, 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 2018-04-16 11:30:10 Time when the event occurred. UTC/GMT
Updated 2018-04-28 05:49:03 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 246 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 2.152 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 257 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 us1000dpax Id of event.
Event Code 1000dpax An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000dpax, A comma-separated list of event ids that are associated to an event.

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