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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.1 quake has struck near Boroko in Indonesia



Earthquake location 1.7361S, 122.9222WA light earthquake with magnitude 4.1 (ml/mb) was reported 99 km NNW of Boroko, Indonesia (62 miles) on Saturday. Unique identifier: us20008hen. Ids that are associated to the event: us20008hen. Exact location of earthquake, 122.9222° East, 1.7361° North, depth 398 km. The epicenter was at a depth of 398 km (247 miles). Global time and date of event 20/01/17 / 2017-01-20 17:04:37 / January 20, 2017 @ 5:04 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 01:04:37 / 1:04 am (local time epicenter).

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

Did you feel anything?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 99 km NNW of Boroko, Indonesia.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 122.9222° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 1.7361° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 398 km Depth of the event in kilometers.
Place 99km NNW of Boroko, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-01-20 17:04:37 Time when the event occurred. UTC/GMT
Updated 2017-02-16 15:36:31 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 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 2.228 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.36 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 132 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 us20008hen Id of event.
Event Code 20008hen An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008hen, A comma-separated list of event ids that are associated to an event.

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