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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Bitung in Indonesia


Earthquake location 1.7547S, 126.1845WA light earthquake magnitude 4 (ml/mb) has occurred on Monday, 116 km ENE of Bitung, Indonesia (72 miles). The temblor was reported at 09:40:09 / 9:40 am (local time epicenter). The earthquake was roughly at a depth of 33.65 km (21 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us10003mgs. Unique identifier: us10003mgs. Exact location, longitude 126.1845° East, latitude 1.7547° North, depth = 33.65 km. Global date and time of event UTC/GMT: 28/09/15 / 2015-09-28 01:40:09 / September 28, 2015 @ 1:40 am.

In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days seven and in the last 365 days one hundred and fifty-eight earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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. 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: 116 km ENE of Bitung, Indonesia.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 126.1845° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 1.7547° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 33.65 km Depth of the event in kilometers.
Place 116km ENE of Bitung, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-09-28 01:40:09 Time when the event occurred. UTC/GMT
Updated 2015-10-13 03:38:08 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 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 1.533 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 140 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 us10003mgs Id of event.
Event Code 10003mgs An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003mgs, A comma-separated list of event ids that are associated to an event.

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