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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Tobelo in Indonesia



Earthquake location 2.8119S, 128.9151WA light earthquake with magnitude 4.2 (ml/mb) was detected on Wednesday, 156 km NE of Tobelo, Indonesia (97 miles). Global date and time of event UTC/GMT: 21/02/17 / 2017-02-21 22:20:10 / February 21, 2017 @ 10:20 pm. The earthquake was roughly at a depth of 214.36 km (133 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.2-magnitude earthquake was detected at 07:20:10 / 7:20 am (local time epicenter). Exact location of earthquake, longitude 128.9151 East, latitude 2.8119 North, depth = 214.36 km. All ids that are associated to the event: us1000861h. Unique identifier: us1000861h.

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been three, in the last 10 days four, in the past 30 days five and in the last 365 days fourty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 156 km NE of Tobelo, Indonesia.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 128.9151° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 2.8119° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 214.36 km Depth of the event in kilometers.
Place 156km 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 2017-02-21 22:20:10 Time when the event occurred. UTC/GMT
Updated 2017-03-08 06:15:20 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 271 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 2.549 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.29 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 195 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 us1000861h Id of event.
Event Code 1000861h An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000861h, A comma-separated list of event ids that are associated to an event.

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