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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag was detected near Anatahan in Northern Mariana Islands


Earthquake location 16.6595S, 147.5336WA light earthquake with magnitude 4.4 (ml/mb) was detected on Wednesday, 202 km E of Anatahan, Northern Mariana Islands (126 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 22/12/15 / 2015-12-22 23:16:16 / December 22, 2015 @ 11:16 pm UTC/GMT. Event ids that are associated to the earthquake: us100049as. Id of event: us100049as. The temblor was reported at 09:16:16 / 9:16 am (local time epicenter). The earthquake was roughly at a depth of 36.68 km (23 miles). Exact location of event, longitude 147.5336 East, latitude 16.6595 North, depth = 36.68 km.

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 one, in the past 30 days three and in the last 365 days nine earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 202 km E of Anatahan, Northern Mariana Islands. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 147.5336° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.6595° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 36.68 km Depth of the event in kilometers.
Place 202km E of Anatahan, Northern Mariana Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-12-22 23:16:16 Time when the event occurred. UTC/GMT
Updated 2015-12-29 04:33:11 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 298 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 2.192 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.47 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 220 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 us100049as Id of event.
Event Code 100049as An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100049as, A comma-separated list of event ids that are associated to an event.

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