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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag has occurred near Madang in Papua New Guinea

Earthquake location -5.4425S, 146.5568WA light earthquake magnitude 4 (ml/mb) has struck on Wednesday, 87 kilometers (54 miles) from Madang in Papua New Guinea. The epicenter was at a depth of 130.74 km (81 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 130.74 km, 146.5568° East, -5.4425° South. The 4-magnitude earthquake has occurred at 19:55:27 / 7:55 pm (local time epicenter). Exact time and date of earthquake 31/07/19 / 2019-07-31 09:55:27 / July 31, 2019 @ 9:55 am UTC/GMT. Event ids that are associated to the earthquake: us600052br. Id of event: us600052br.

Nearby country/countries, Papua New Guinea (c. 6 065 000 pop) (That might be effected). Closest city/cities/towns to epicentrum/hypocenter was Madang (min 5000 pop). The epicenter was 88 km (54 miles) from Madang (c. 27 400 pop).

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been three, in the last 10 days five, in the past 30 days six and in the last 365 days fifty-seven earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

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. 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: 87 km ESE of Madang, Papua New Guinea.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 146.5568° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -5.4425° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 130.74 km Depth of the event in kilometers.
Place 87km ESE of Madang, 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 2019-07-31 09:55:27 Time when the event occurred. UTC/GMT
Updated 2019-08-28 11:43:31 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 246 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 3.981 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.89 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 141 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 us600052br Id of event.
Event Code 600052br An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us600052br, A comma-separated list of event ids that are associated to an event.

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