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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Madang in Papua New Guinea

Earthquake location -4.8551S, 145.9034WA light earthquake with magnitude 4 (ml/mb) was reported 42 kilometers (26 miles) from Madang in Papua New Guinea on Tuesday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 15/05/18 / 2018-05-15 08:44:38 / May 15, 2018 @ 8:44 am. Event id: us1000e7zg. Ids that are associated to the earthquake: us1000e7zg. The temblor was reported at 18:44:38 / 6:44 pm (local time epicenter). Exact location, longitude 145.9034° East, latitude -4.8551° South, depth = 55.06 km. The epicenter of the earthquake was roughly 55.06 km (34 miles) below the earth’s surface.

Nearby country/countries that might be effected, Papua New Guinea (c. 6 065 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Madang (min 5000 pop). The epicenter was 43 km (27 miles) from Madang (c. 27 400 pop).

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 two, in the past 30 days two and in the last 365 days seventeen 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?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 42 km NNE of Madang, Papua New Guinea.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 145.9034° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -4.8551° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 55.06 km Depth of the event in kilometers.
Place 42km NNE 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 2018-05-15 08:44:38 Time when the event occurred. UTC/GMT
Updated 2018-05-27 10:17:22 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 3.151 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.49 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 147 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 us1000e7zg Id of event.
Event Code 1000e7zg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000e7zg, A comma-separated list of event ids that are associated to an event.

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