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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag has occurred near L’Esperance Rock in New Zealand

Earthquake location -31.2292S, -177.9547WA light earthquake with magnitude 4.5 (ml/mb) was detected on Wednesday, 92 km ENE of L’Esperance Rock, New Zealand (57 miles). The temblor was reported at 01:34:55 / 1:34 am (local time epicenter). Exact location of earthquake, longitude -177.9547 West, latitude -31.2292 South, depth = 31.53 km. Date and time of earthquake in UTC/GMT: 21/08/19 / 2019-08-21 13:34:55 / August 21, 2019 @ 1:34 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us700058uc. Ids that are associated to the earthquake: us700058uc. The earthquake occurred at a depth of 31.53 km (20 miles).

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. In the past 24 hours, there have been ten, in the last 10 days nineteen, in the past 30 days thirty-two and in the last 365 days two hundred and eleven earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 92 km ENE of L’Esperance Rock, New Zealand. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -177.9547° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.2292° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 31.53 km Depth of the event in kilometers.
Place 92km ENE of L'Esperance Rock, 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 2019-08-21 13:34:55 Time when the event occurred. UTC/GMT
Updated 2019-09-15 07:52:02 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 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 1.977 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 142 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 us700058uc Id of event.
Event Code 700058uc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us700058uc, A comma-separated list of event ids that are associated to an event.

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