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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4 quake has struck near Vanimo in Papua New Guinea


Earthquake location -2.7948S, 141.0605WA light earthquake magnitude 4 (ml/mb) has occurred on Monday, 30 kilometers (19 miles) from Vanimo in Papua New Guinea. Exact time and date of event in UTC/GMT: 20/09/15 / 2015-09-20 23:52:01 / September 20, 2015 @ 11:52 pm. Event id: us10003kfl. Ids that are associated to the earthquake: us10003kfl. The earthquake occurred at a depth of 33.79 km (21 miles) below the earth’s surface. The 4-magnitude earthquake was detected at 09:52:01 / 9:52 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 33.79 km, 141.0605° East, -2.7948° South.

Close country/countries that might be effected, Indonesia (c. 242 968 000 pop), Papua New Guinea (c. 6 065 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Abepura, Jayapura, Vanimo (min 5000 pop). Event epicenter was 48 km (30 miles) from Jayapura (c. 134 900 pop), 52 km (33 miles) from Abepura (c. 62 200 pop), 30 km (19 miles) from Vanimo (c. 11 200 pop), 27 km (17 miles) from Vanimo (c. 9 800 pop).

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

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: 30 km WSW of Vanimo, Papua New Guinea. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 141.0605° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -2.7948° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 33.79 km Depth of the event in kilometers.
Place 30km WSW of Vanimo, 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 2015-09-20 23:52:01 Time when the event occurred. UTC/GMT
Updated 2015-10-19 04:29:53 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 11.287 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.42 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 202 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 us10003kfl Id of event.
Event Code 10003kfl An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003kfl, A comma-separated list of event ids that are associated to an event.

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