Moderate earthquake, 5.3 mag has occurred near Kokopo in Papua New Guinea

A moderate earthquake with magnitude 5.3 (ml/mb) was reported 157 km SSW of Kokopo, Papua New Guinea (98 miles) on Sunday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us6000rwea. Id of event: us6000rwea. Exact location, longitude 151.7103° East, latitude -5.6522° South, depth = 9.958 km. The 5.3-magnitude earthquake has occurred at 23:07:27 / 11:07 pm (local time epicenter). Exact time and date of event in UTC/GMT: 21/12/25 / 2025-12-21 23:07:27 / December 21, 2025 @ 11:07 pm. The earthquake occurred at a depth of 9.958 km (6 miles) below the earth’s surface.

Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days five and in the last 365 days three hundred and fourty-four earthquakes of magnitude 3.0 or greater that has occurred nearby. Every year there are an estimated 1320 moderate earthquakes in the world.

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 157 km SSW of Kokopo, Papua New Guinea.

Kokopo Papua New Guinea

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Parameter	Value	Description
Magnitude	5.3 mb	The magnitude for the event.
Longitude	151.7103° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-5.6522° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	9.958 km	Depth of the event in kilometers.
Place	157 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 23:07:27	Time when the event occurred. UTC/GMT
Updated	2025-12-21 23:26:46	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	432	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	41	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.52	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.19 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	83	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mww	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us6000rwea	Id of event.
Event Code	6000rwea	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rwea,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake, 5.3 mag has occurred near Kokopo in Papua New Guinea

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