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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 -4.9526S, 151.5603WA light earthquake magnitude 4.1 (ml/mb) strikes 102 km SW of Kokopo, Papua New Guinea (63 miles) on Friday. Exact location of earthquake, 151.5603° East, -4.9526° South, depth 35 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 35 km (22 miles). The 4.1-magnitude earthquake was detected at 03:28:02 / 3:28 am (local time epicenter). Global date and time of event UTC/GMT: 21/02/19 / 2019-02-21 17:28:02 / February 21, 2019 @ 5:28 pm. Unique identifier: us1000j9fs. Ids that are associated to the event: us1000j9fs.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days four, in the past 30 days six and in the last 365 days one hundred and fifteen earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 13,000 light quakes in the world each year.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 102 km SW of Kokopo, Papua New Guinea.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 151.5603° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -4.9526° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 102km SW 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 2019-02-21 17:28:02 Time when the event occurred. UTC/GMT
Updated 2019-03-18 17:44:19 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 0.966 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 182 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 us1000j9fs Id of event.
Event Code 1000j9fs An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000j9fs, A comma-separated list of event ids that are associated to an event.

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