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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.6 mag, 81 km SW of Kokopo, Papua New Guinea

Earthquake location -4.8515S, 151.7381WA light earthquake magnitude 4.6 (ml/mb) has struck on Thursday, 81 kilometers (50 miles) from Kokopo in Papua New Guinea. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 143.22 km (89 miles) below the earth’s surface. Exact location of event, longitude 151.7381 East, latitude -4.8515 South, depth = 143.22 km. Exact time and date of earthquake 04/02/21 / 2021-02-04 20:53:52 / February 4, 2021 @ 8:53 pm UTC/GMT. Id of earthquake: us6000dei7. Event ids that are associated: us6000dei7. The temblor was detected at 20:53:52 / 8:53 pm (local time epicenter).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Rabaul, Kokopo. Close country/countries that might be effected, Papua New Guinea (c. 6 065 000 pop). Epicenter of the earthquake was 80 km (50 miles) from Kokopo (c. 26 300 pop), 87 km (54 miles) from Rabaul (c. 8 100 pop).

There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days five, in the past 30 days nine and in the last 365 days seventy-one earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 81 km SW of Kokopo, Papua New Guinea.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 151.7381° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -4.8515° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 143.22 km Depth of the event in kilometers.
Place 81 km SW of Kokopo, Papua New Guinea Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-02-04 20:53:52 Time when the event occurred. UTC/GMT
Updated 2021-02-13 17:47:52 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 326 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 0.612 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.82 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 147 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 us6000dei7 Id of event.
Event Code 6000dei7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000dei7, A comma-separated list of event ids that are associated to an event.

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