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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 36 km SE of Blenheim, New Zealand

Earthquake location -41.7343S, 174.2875WA light earthquake with magnitude 4.3 (ml/mb) was detected on Sunday, 36 kilometers (22 miles) from Blenheim in New Zealand. Unique identifier: us70008htj. Ids that are associated to the event: us70008htj. Exact location of event, depth 19.6 km, 174.2875° East, -41.7343° South. Global date and time of event UTC/GMT: 28/03/20 / 2020-03-28 12:18:10 / March 28, 2020 @ 12:18 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.3-magnitude earthquake has occurred at 00:18:10 / 12:18 am (local time epicenter). The epicenter of the earthquake was roughly 19.6 km (12 miles) below the earth’s surface.

Epicenter of the event was 64 km (40 miles) from Wellington (c. 381 900 pop), 78 km (48 miles) from Lower Hutt (c. 101 200 pop), 82 km (51 miles) from Porirua (c. 50 900 pop), 92 km (57 miles) from Upper Hutt (c. 38 400 pop), 37 km (23 miles) from Blenheim (c. 26 600 pop), 74 km (46 miles) from Petone (c. 6 600 pop). Country/countries that might be effected, New Zealand (c. 4 252 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Upper Hutt, Porirua, Lower Hutt (min 5000 pop).

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 two, in the past 30 days two and in the last 365 days five earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 13,000 light quakes in the world.

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 36 km SE of Blenheim, New Zealand. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 174.2875° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -41.7343° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.6 km Depth of the event in kilometers.
Place 36km SE of Blenheim, 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 2020-03-28 12:18:10 Time when the event occurred. UTC/GMT
Updated 2020-04-03 05:21:16 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 284 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 0.057 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.65 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 70 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 us70008htj Id of event.
Event Code 70008htj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70008htj, A comma-separated list of event ids that are associated to an event.

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