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Light earthquake: M4.7 quake has struck near Arawa in Papua New Guinea


Earthquake location -5.9196S, 154.7898WA light earthquake with magnitude 4.7 (ml/mb) was reported 88 kilometers (55 miles) from Arawa in Papua New Guinea on Thursday. Global time and date of event 27/12/17 / 2017-12-27 16:33:06 / December 27, 2017 @ 4:33 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 142.5 km (89 miles). The temblor was reported at 03:33:06 / 3:33 am (local time epicenter). Id of earthquake: us1000bwrj. Event ids that are associated: us1000bwrj. Exact location of event, depth 142.5 km, 154.7898° East, -5.9196° South.

Close country/countries that might be effected, Papua New Guinea (c. 6 065 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Arawa. The epicenter was 89 km (55 miles) from Arawa (c. 40 300 pop).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days four and in the last 365 days seventy-six earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

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. 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: 88 km WNW of Arawa, Papua New Guinea.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 154.7898° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -5.9196° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 142.5 km Depth of the event in kilometers.
Place 88km WNW of Arawa, 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 2017-12-27 16:33:06 Time when the event occurred. UTC/GMT
Updated 2017-12-27 16:53:45 Time when the event was most recently updated. UTC/GMT
Timezone offset 660 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 340 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 6.192 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.76 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 73 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 us1000bwrj Id of event.
Event Code 1000bwrj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000bwrj, A comma-separated list of event ids that are associated to an event.

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