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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.6 mag, 87 km SSE of Raoul Island, New Zealand


Earthquake location -29.9781S, -177.5151WA light earthquake with magnitude 4.6 (ml/mb) was detected on Saturday, 87 km SSE of Raoul Island, New Zealand (54 miles). The temblor was picked up at 09:26:01 / 9:26 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 21/12/19 / 2019-12-21 21:26:01 / December 21, 2019 @ 9:26 pm. All ids that are associated to the event: us70006x1j. Unique identifier: us70006x1j. The epicenter of the earthquake was roughly 35 km (22 miles) below the earth’s surface. Exact location of earthquake, longitude -177.5151 West, latitude -29.9781 South, depth = 35 km.

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

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 87 km SSE of Raoul Island, New Zealand.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -177.5151° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -29.9781° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 87km SSE 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 2019-12-21 21:26:01 Time when the event occurred. UTC/GMT
Updated 2020-01-11 03:26:33 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 326 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 0.814 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.93 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 187 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 us70006x1j Id of event.
Event Code 70006x1j An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70006x1j, A comma-separated list of event ids that are associated to an event.

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