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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.1 quake has struck near Kieta in Papua New Guinea


Earthquake location -6.7896S, 156.0666WA light earthquake magnitude 4.1 (ml/mb) has occurred on Saturday, 79 kilometers (49 miles) from Kieta in Papua New Guinea. All ids that are associated to the event: us7000qbll. Unique identifier: us7000qbll. The 4.1-magnitude earthquake has occurred at 19:40:55 / 7:40 pm (local time epicenter). Exact time and date of earthquake 28/06/25 / 2025-06-28 19:40:55 / June 28, 2025 @ 7:40 pm UTC/GMT. The epicenter of the earthquake was roughly 130.714 km (81 miles) below the earth’s surface. Exact location of event, longitude 156.0666 East, latitude -6.7896 South, depth = 130.714 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Closest city/cities/towns to epicentrum/hypocenter was Arawa (min 5000 pop). Earthquake epicenter was 87 km (54 miles) from Arawa (c. 40 300 pop). Nearby country/countries, Papua New Guinea (c. 6 065 000 pop) (That might be effected).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days thirty-eight earthquakes of magnitude 3.0 or greater that has occurred nearby. 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.

How would you describe the shaking?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 79 km SE of Kieta, Papua New Guinea. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 156.0666° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -6.7896° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 130.714 km Depth of the event in kilometers.
Place 79 km SE of Kieta, 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 2025-06-28 19:40:55 Time when the event occurred. UTC/GMT
Updated 2025-07-11 23:23:10 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 259 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 4.657 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 94 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 us7000qbll Id of event.
Event Code 7000qbll An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qbll, A comma-separated list of event ids that are associated to an event.

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