Light earthquake, 4.1 mag has occurred near Madang in Papua New Guinea

A light earthquake magnitude 4.1 (ml/mb) has struck on Friday, 21 kilometers (13 miles) from Madang in Papua New Guinea. The temblor was picked up at 07:43:27 / 7:43 am (local time epicenter). The epicenter was at a depth of 67.08 km (42 miles). Event id: us10008n51. Ids that are associated to the earthquake: us10008n51. Global time and date of event 20/04/17 / 2017-04-20 21:43:27 / April 20, 2017 @ 9:43 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 145.9893 East, latitude -5.2459 South, depth = 67.08 km.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Madang. Event epicenter was 21 km (13 miles) from Madang (c. 27 400 pop). Close country/countries, Papua New Guinea (c. 6 065 000 pop) (That might be effected).

Each year there are an estimated 13,000 light quakes in the world. 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 one, in the past 30 days four and in the last 365 days twenty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 21 km E of Madang, Papua New Guinea. This information comes from the USGS Earthquake Notification Service.

Madang Papua New Guinea

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Parameter	Value	Description
Magnitude	4.1 mb	The magnitude for the event.
Longitude	145.9893° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-5.2459° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	67.08 km	Depth of the event in kilometers.
Place	21km E 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	2017-04-20 21:43:27	Time when the event occurred. UTC/GMT
Updated	2017-05-06 05:06:58	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	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		The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	4.291	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.68 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	125	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	us10008n51	Id of event.
Event Code	10008n51	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us10008n51,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.1 mag has occurred near Madang in Papua New Guinea

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