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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.1 mag, 27 km ENE of Tobelo, Indonesia



Earthquake location 1.8633S, 128.2192WA light earthquake with magnitude 4.1 (ml/mb) was detected on Wednesday, 27 kilometers (17 miles) from Tobelo in Indonesia. Exact time and date of earthquake 15/08/17 / 2017-08-15 23:35:11 / August 15, 2017 @ 11:35 pm UTC/GMT. Unique identifier: us2000a9fv. Ids that are associated to the event: us2000a9fv. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 117.57 km (73 miles). Exact location, longitude 128.2192° East, latitude 1.8633° North, depth = 117.57 km. The 4.1-magnitude earthquake was detected at 08:35:11 / 8:35 am (local time epicenter).

Close country/countries that might be effected, Indonesia (c. 242 968 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Tobelo. The epicenter was 28 km (17 miles) from Tobelo (c. 10 000 pop).

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

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: 27 km ENE of Tobelo, Indonesia.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 128.2192° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 1.8633° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 117.57 km Depth of the event in kilometers.
Place 27km ENE 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 2017-08-15 23:35:11 Time when the event occurred. UTC/GMT
Updated 2017-08-23 00:58:11 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 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 1.379 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.64 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 108 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 us2000a9fv Id of event.
Event Code 2000a9fv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a9fv, A comma-separated list of event ids that are associated to an event.

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