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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag has occurred near L’Esperance Rock in New Zealand


Earthquake location -31.9455S, -177.8155WA light earthquake magnitude 4.2 (ml/mb) has struck on Friday, 117 km ESE of L’Esperance Rock, New Zealand (73 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.2-magnitude earthquake was detected at 15:55:22 / 3:55 pm (local time epicenter). Exact location of event, longitude -177.8155 West, latitude -31.9455 South, depth = 33.25 km. Event id: us20002z70. Ids that are associated to the earthquake: us20002z70. Global time and date of event 04/07/15 / 2015-07-04 03:55:22 / July 4, 2015 @ 3:55 am UTC/GMT. The earthquake occurred at a depth of 33.25 km (21 miles).

In the past 24 hours, there have been eight, in the last 10 days twenty-five, in the past 30 days twenty-six and in the last 365 days thirty-eight earthquakes of magnitude 3.0 or greater that was reported nearby. Every 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.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 117 km ESE of L’Esperance Rock, New Zealand. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -177.8155° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.9455° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 33.25 km Depth of the event in kilometers.
Place 117km ESE 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 2015-07-04 03:55:22 Time when the event occurred. UTC/GMT
Updated 2015-07-29 00:24:34 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 271 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 2.693 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.41 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 211 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 us20002z70 Id of event.
Event Code 20002z70 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20002z70, A comma-separated list of event ids that are associated to an event.

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