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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag strikes near Tobelo in Indonesia


Earthquake location 2.3513S, 128.914WA light earthquake magnitude 4.4 (ml/mb) has occurred on Monday, 121 km NE of Tobelo, Indonesia (75 miles). Unique identifier: us1000gbc4. Ids that are associated to the event: us1000gbc4. Global date and time of event UTC/GMT: 12/08/18 / 2018-08-12 16:05:25 / August 12, 2018 @ 4:05 pm. Exact location of earthquake, longitude 128.914 East, latitude 2.3513 North, depth = 35 km. The temblor was detected at 01:05:25 / 1:05 am (local time epicenter). The earthquake was roughly at a depth of 35 km (22 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days eight and in the last 365 days fifty-six earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 121 km NE of Tobelo, Indonesia.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 128.914° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 2.3513° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 121km NE of Tobelo, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-08-12 16:05:25 Time when the event occurred. UTC/GMT
Updated 2018-08-20 20:16:53 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 298 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 2.203 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 181 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 us1000gbc4 Id of event.
Event Code 1000gbc4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000gbc4, A comma-separated list of event ids that are associated to an event.

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