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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.6 mag, 193 km SW of Lorengau, Papua New Guinea



Earthquake location -3.2696S, 146.0555WA light earthquake magnitude 4.6 (ml/mb) strikes 193 km SW of Lorengau, Papua New Guinea (120 miles) on Wednesday. The earthquake was roughly at a depth of 10 km (6 miles). The temblor was detected at 11:25:28 / 11:25 am (local time epicenter). Exact location, longitude 146.0555° East, latitude -3.2696° South, depth = 10 km. Id of earthquake: us10003mzb. Event ids that are associated: us10003mzb. 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: 30/09/15 / 2015-09-30 01:25:28 / September 30, 2015 @ 1:25 am.

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 nine earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 193 km SW of Lorengau, Papua New Guinea.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 146.0555° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -3.2696° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 193km SW of Lorengau, 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 2015-09-30 01:25:28 Time when the event occurred. UTC/GMT
Updated 2015-10-14 03:59:12 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 326 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 1.788 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.95 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 121 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 us10003mzb Id of event.
Event Code 10003mzb An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003mzb, A comma-separated list of event ids that are associated to an event.

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