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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.1 quake has struck near Kokopo in Papua New Guinea


Earthquake location -5.5345S, 151.7477WA light earthquake magnitude 4.1 (ml/mb) has occurred on Monday, 142 km SSW of Kokopo, Papua New Guinea (88 miles). Exact location, longitude 151.7477° East, latitude -5.5345° South, depth = 19.82 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us2000dwzd. Unique identifier: us2000dwzd. The earthquake occurred at a depth of 19.82 km (12 miles) below the earth’s surface. Exact time and date of earthquake 01/04/18 / 2018-04-01 23:13:49 / April 1, 2018 @ 11:13 pm UTC/GMT. The temblor was picked up at 09:13:49 / 9:13 am (local time epicenter).

In the past 24 hours, there have been three, in the last 10 days thirty-one, in the past 30 days thirty-three and in the last 365 days ninety-six earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light quakes 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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 142 km SSW of Kokopo, Papua New Guinea. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 151.7477° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -5.5345° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.82 km Depth of the event in kilometers.
Place 142km SSW of Kokopo, 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 2018-04-01 23:13:49 Time when the event occurred. UTC/GMT
Updated 2018-04-09 22:35:23 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 1.397 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.84 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 163 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 us2000dwzd Id of event.
Event Code 2000dwzd An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000dwzd, A comma-separated list of event ids that are associated to an event.

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