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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Panguna in Papua New Guinea


Earthquake location -7.268S, 155.5351WA light earthquake magnitude 4.2 (ml/mb) has occurred on Friday, 105 km S of Panguna, Papua New Guinea (65 miles). Date and time of earthquake in UTC/GMT: 23/03/17 / 2017-03-23 16:57:52 / March 23, 2017 @ 4:57 pm. Exact location, longitude 155.5351° East, latitude -7.268° South, depth = 64.49 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.2-magnitude earthquake was detected at 02:57:52 / 2:57 am (local time epicenter). Event id: us10008dag. Ids that are associated to the earthquake: us10008dag. The earthquake was roughly at a depth of 64.49 km (40 miles).

In the past 24 hours, there have been three, in the last 10 days five, in the past 30 days sixteen and in the last 365 days fifty-one 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. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 105 km S of Panguna, Papua New Guinea.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 155.5351° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -7.268° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 64.49 km Depth of the event in kilometers.
Place 105km S of Panguna, 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 2017-03-23 16:57:52 Time when the event occurred. UTC/GMT
Updated 2017-04-14 21:57:53 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 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 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 4.538 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 164 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 us10008dag Id of event.
Event Code 10008dag An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008dag, A comma-separated list of event ids that are associated to an event.

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