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Light earthquake: M4.9 quake has struck near Kokopo in Papua New Guinea

Posted by admin on December 21, 2025 0 Comments

Earthquake location -5.6571S, 151.9201WA light earthquake magnitude 4.9 (ml/mb) strikes 150 km SSW of Kokopo, Papua New Guinea (93 miles) on Sunday. The temblor was detected at 14:23:33 / 2:23 pm (local time epicenter). The earthquake occurred at a depth of 55.503 km (34 miles). All ids that are associated to the event: us6000rwc5. Unique identifier: us6000rwc5. Date and time of earthquake in UTC/GMT: 21/12/25 / 2025-12-21 14:23:33 / December 21, 2025 @ 2:23 pm. Exact location of event, longitude 151.9201 East, latitude -5.6571 South, depth = 55.503 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days four and in the last 365 days three hundred and thirty-nine earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 150 km SSW of Kokopo, Papua New Guinea. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude 151.9201° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -5.6571° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 55.503 km Depth of the event in kilometers.
Place 150 km SSW 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 2025-12-21 14:23:33 Time when the event occurred. UTC/GMT
Updated 2025-12-21 14:41:53 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 369 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 27 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.476 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.72 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 196 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 us6000rwc5 Id of event.
Event Code 6000rwc5 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rwc5, A comma-separated list of event ids that are associated to an event.

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