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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 128 km SW of Abepura, Indonesia


Earthquake location -3.4067S, 139.7239WA light earthquake with magnitude 4.2 (ml/mb) was detected on Saturday, 128 km SW of Abepura, Indonesia (80 miles). Global date and time of event UTC/GMT: 31/03/17 / 2017-03-31 23:43:48 / March 31, 2017 @ 11:43 pm. The epicenter of the earthquake was roughly 35 km (22 miles) below the earth’s surface. The temblor was picked up at 08:43:48 / 8:43 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us10008f8h. Ids that are associated to the earthquake: us10008f8h. Exact location of event, longitude 139.7239 East, latitude -3.4067 South, depth = 35 km.

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

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 128 km SW of Abepura, Indonesia.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 139.7239° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -3.4067° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 128km SW of Abepura, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-03-31 23:43:48 Time when the event occurred. UTC/GMT
Updated 2017-04-07 02:54:49 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 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 271 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 7.479 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.99 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 231 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 us10008f8h Id of event.
Event Code 10008f8h An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008f8h, A comma-separated list of event ids that are associated to an event.

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