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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 35 km NNE of Masterton, New Zealand

Earthquake location -40.6655S, 175.8139WA light earthquake with magnitude 4 (ml/mb) was reported 35 kilometers (22 miles) from Masterton in New Zealand on Thursday. The 4-magnitude earthquake was detected at 12:19:40 / 12:19 pm (local time epicenter). Unique identifier: us10008uym. Ids that are associated to the event: us10008uym. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 39.08 km, 175.8139° East, -40.6655° South. The earthquake was roughly at a depth of 39.08 km (24 miles). Date and time of earthquake in UTC/GMT: 25/05/17 / 2017-05-25 00:19:40 / May 25, 2017 @ 12:19 am.

Nearby country/countries that might be effected, New Zealand (c. 4 252 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Upper Hutt, Paraparaumu, Otaki (min 5000 pop). Epicenter of the earthquake was 38 km (24 miles) from Palmerston North (c. 76 000 pop), 83 km (52 miles) from Upper Hutt (c. 38 400 pop), 73 km (45 miles) from Paraparaumu (c. 25 300 pop), 35 km (22 miles) from Masterton (c. 20 700 pop), 46 km (28 miles) from Levin (c. 19 800 pop), 57 km (35 miles) from Otaki (c. 6 100 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 one, in the past 30 days one and in the last 365 days eleven earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 13,000 light quakes in the world each year.

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. 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: 35 km NNE of Masterton, New Zealand.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 175.8139° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -40.6655° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 39.08 km Depth of the event in kilometers.
Place 35km NNE of Masterton, 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 2017-05-25 00:19:40 Time when the event occurred. UTC/GMT
Updated 2017-06-16 03:24:31 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 246 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 0.179 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.78 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 60 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 us10008uym Id of event.
Event Code 10008uym An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008uym, A comma-separated list of event ids that are associated to an event.

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