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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.5 mag, 162 km NE of Raoul Island, New Zealand


Earthquake location -28.1238S, -176.8535WA light earthquake with magnitude 4.5 (ml/mb) was reported 162 km NE of Raoul Island, New Zealand (101 miles) on Tuesday. The temblor was reported at 04:46:15 / 4:46 am (local time epicenter). Global date and time of event UTC/GMT: 22/12/15 / 2015-12-22 16:46:15 / December 22, 2015 @ 4:46 pm. Exact location of earthquake, longitude -176.8535 West, latitude -28.1238 South, depth = 58.14 km. Id of earthquake: us100049ai. Event ids that are associated: us100049ai. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 58.14 km (36 miles).

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

How would you describe the shaking?

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 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: 162 km NE of Raoul Island, New Zealand.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -176.8535° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -28.1238° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 58.14 km Depth of the event in kilometers.
Place 162km NE 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 2015-12-22 16:46:15 Time when the event occurred. UTC/GMT
Updated 2016-01-20 18:45:58 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 1.463 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 123 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 us100049ai Id of event.
Event Code 100049ai An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100049ai, A comma-separated list of event ids that are associated to an event.

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