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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag has occurred near Tobelo in Indonesia



Earthquake location 2.5416S, 126.8839WA light earthquake with magnitude 4.1 (ml/mb) was detected on Thursday, 154 km NW of Tobelo, Indonesia (96 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 04/10/17 / 2017-10-04 18:33:10 / October 4, 2017 @ 6:33 pm. All ids that are associated to the event: us1000aqn0. Unique identifier: us1000aqn0. The 4.1-magnitude earthquake was detected at 02:33:10 / 2:33 am (local time epicenter). Exact location, longitude 126.8839° East, latitude 2.5416° North, depth = 64.39 km. The earthquake occurred at a depth of 64.39 km (40 miles) below the earth’s surface.

In the past 24 hours, there have been three, in the last 10 days five, in the past 30 days eight and in the last 365 days seventy-seven 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.

How would you describe the shaking?

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. 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: 154 km NW of Tobelo, Indonesia.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 126.8839° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 2.5416° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 64.39 km Depth of the event in kilometers.
Place 154km NW 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 2017-10-04 18:33:10 Time when the event occurred. UTC/GMT
Updated 2017-11-02 15:27:21 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 1.823 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.72 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 84 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 us1000aqn0 Id of event.
Event Code 1000aqn0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000aqn0, A comma-separated list of event ids that are associated to an event.

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