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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4 quake has struck near Tobelo in Indonesia

Earthquake location 2.3763S, 128.6536WA light earthquake with magnitude 4 (ml/mb) was detected on Thursday, 101 km NE of Tobelo, Indonesia (63 miles). Event ids that are associated to the earthquake: us20009q2d. Id of event: us20009q2d. Exact location, longitude 128.6536° East, latitude 2.3763° North, depth = 14.54 km. The earthquake was roughly at a depth of 14.54 km (9 miles). Date and time of earthquake in UTC/GMT: 21/06/17 / 2017-06-21 22:07:32 / June 21, 2017 @ 10:07 pm. The 4-magnitude earthquake was detected at 07:07:32 / 7:07 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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

How would you describe the shaking?

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 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: 101 km NE of Tobelo, Indonesia.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 128.6536° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 2.3763° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 14.54 km Depth of the event in kilometers.
Place 101km 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 2017-06-21 22:07:32 Time when the event occurred. UTC/GMT
Updated 2017-07-06 02:53:18 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 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 2.048 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.59 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 176 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 us20009q2d Id of event.
Event Code 20009q2d An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20009q2d, A comma-separated list of event ids that are associated to an event.

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