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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 -4.6713S, 145.1422WA light earthquake with magnitude 4 (ml/mb) was reported 93 km NW of Madang, Papua New Guinea (58 miles) on Friday. The earthquake occurred at a depth of 5.34 km (3 miles). The 4-magnitude earthquake has occurred at 21:36:30 / 9:36 pm (local time epicenter). Exact location of earthquake, longitude 145.1422 East, latitude -4.6713 South, depth = 5.34 km. Event id: us7000cp7w. Ids that are associated to the earthquake: us7000cp7w. 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: 04/12/20 / 2020-12-04 21:36:30 / December 4, 2020 @ 9:36 pm.

Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days five and in the last 365 days fifteen 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.

Did you feel anything?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. 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: 93 km NW of Madang, Papua New Guinea.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 145.1422° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -4.6713° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 5.34 km Depth of the event in kilometers.
Place 93 km NW 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 2020-12-04 21:36:30 Time when the event occurred. UTC/GMT
Updated 2020-12-11 04:28:23 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 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 4.92 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 196 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 us7000cp7w Id of event.
Event Code 7000cp7w An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000cp7w, A comma-separated list of event ids that are associated to an event.

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