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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag has occurred near Tobelo in Indonesia



Earthquake location 3.9106S, 127.2376WA light earthquake with magnitude 4.1 (ml/mb) was reported 256 km NNW of Tobelo, Indonesia (159 miles) on Saturday. The 4.1-magnitude earthquake has occurred at 00:09:53 / 12:09 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us2000a1ey. Ids that are associated to the earthquake: us2000a1ey. The earthquake occurred at a depth of 55.67 km (35 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 21/07/17 / 2017-07-21 16:09:53 / July 21, 2017 @ 4:09 pm. Exact location of earthquake, 127.2376° East, 3.9106° North, depth 55.67 km.

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. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days five and in the last 365 days fifty-five earthquakes of magnitude 3.0 or greater that has struck near.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 256 km NNW of Tobelo, Indonesia. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 127.2376° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 3.9106° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 55.67 km Depth of the event in kilometers.
Place 256km NNW 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 2017-07-21 16:09:53 Time when the event occurred. UTC/GMT
Updated 2017-08-14 14:38:17 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 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 3.12 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.13 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 138 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 us2000a1ey Id of event.
Event Code 2000a1ey An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a1ey, A comma-separated list of event ids that are associated to an event.

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