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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.4 quake has struck near Kermadec Islands, New Zealand


Earthquake location -30.0367S, -177.779WA light earthquake magnitude 4.4 (ml/mb) strikes Kermadec Islands, New Zealand (0 miles) on Thursday. Exact time and date of earthquake 21/07/16 / 2016-07-21 21:49:01 / July 21, 2016 @ 9:49 pm UTC/GMT. The earthquake was roughly at a depth of 67.21 km (42 miles). Exact location of event, longitude -177.779 West, latitude -30.0367 South, depth = 67.21 km. Event id: us20006ht0. Ids that are associated to the earthquake: us20006ht0. The temblor was picked up at 21:49:01 / 9:49 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days six and in the last 365 days seventy earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: Kermadec Islands, New Zealand.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -177.779° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.0367° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 67.21 km Depth of the event in kilometers.
Place Kermadec Islands, 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 2016-07-21 21:49:01 Time when the event occurred. UTC/GMT
Updated 2016-07-31 04:13:30 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 298 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 0.799 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.44 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 182 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 us20006ht0 Id of event.
Event Code 20006ht0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20006ht0, A comma-separated list of event ids that are associated to an event.

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