Light earthquake, 4.3 mag was detected near Finschhafen in Papua New Guinea

A light earthquake magnitude 4.3 (ml/mb) has occurred on Friday, 24 kilometers (15 miles) from Finschhafen in Papua New Guinea. Exact location of event, longitude 147.631 East, latitude -6.5286 South, depth = 31.25 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us7000qcth. Ids that are associated to the earthquake: us7000qcth. Exact time and date of earthquake 04/07/25 / 2025-07-04 00:03:46 / July 4, 2025 @ 12:03 am UTC/GMT. The earthquake occurred at a depth of 31.25 km (19 miles) below the earth’s surface. The 4.3-magnitude earthquake was detected at 00:03:46 / 12:03 am (local time epicenter).

Close country/countries that might be effected, Papua New Guinea (c. 6 065 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Lae (min 5000 pop). Epicenter of the earthquake was 75 km (46 miles) from Lae (c. 76 300 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 three, in the past 30 days seven and in the last 365 days seventy-three earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 13,000 light earthquakes in the world each year.

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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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 24 km W of Finschhafen, Papua New Guinea.

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Parameter	Value	Description
Magnitude	4.3 mb	The magnitude for the event.
Longitude	147.631° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-6.5286° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	31.25 km	Depth of the event in kilometers.
Place	24 km W of Finschhafen, 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	2025-07-04 00:03:46	Time when the event occurred. UTC/GMT
Updated	2025-07-18 03:19:34	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	284	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	20	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	2.895	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.01 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	113	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	us7000qcth	Id of event.
Event Code	7000qcth	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000qcth,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.3 mag was detected near Finschhafen in Papua New Guinea

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