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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Finschhafen in Papua New Guinea


Earthquake location -6.1184S, 147.6197WA light earthquake with magnitude 4.2 (ml/mb) was detected on Wednesday, 54 km NNW of Finschhafen, Papua New Guinea (34 miles). Event ids that are associated to the earthquake: us6000rc4c. Id of event: us6000rc4c. Global date and time of event UTC/GMT: 27/08/25 / 2025-08-27 22:57:58 / August 27, 2025 @ 10:57 pm. Exact location of event, longitude 147.6197 East, latitude -6.1184 South, depth = 68.815 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 68.815 km (43 miles) below the earth’s surface. The 4.2-magnitude earthquake was detected at 22:57:58 / 10:57 pm (local time epicenter).

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 four, in the past 30 days six and in the last 365 days eighty-eight earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 13,000 light quakes in the world.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 54 km NNW of Finschhafen, Papua New Guinea.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 147.6197° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -6.1184° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 68.815 km Depth of the event in kilometers.
Place 54 km NNW 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 2025-08-27 22:57:58 Time when the event occurred. UTC/GMT
Updated 2025-09-23 05:39:32 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 271 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 15 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.297 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.62 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 130 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 us6000rc4c Id of event.
Event Code 6000rc4c An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rc4c, A comma-separated list of event ids that are associated to an event.

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