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Light earthquake 4.7 mag, 69 km NNE of Anatahan, Northern Mariana Islands

Posted by admin on September 25, 2015 0 Comments

Earthquake location 16.9349S, 145.9119WA light earthquake magnitude 4.7 (ml/mb) has struck on Saturday, 69 km NNE of Anatahan, Northern Mariana Islands (43 miles). The epicenter was at a depth of 31.2 km (19 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 145.9119 East, latitude 16.9349 North, depth = 31.2 km. Event id: us20003p8z. Ids that are associated to the earthquake: us20003p8z. The 4.7-magnitude earthquake has occurred at 08:04:31 / 8:04 am (local time epicenter). Date and time of earthquake in UTC/GMT: 25/09/15 / 2015-09-25 22:04:31 / September 25, 2015 @ 10:04 pm.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days sixteen 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. There are an estimated 13,000 light quakes in the world each year.

Did you feel it?

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: 69 km NNE of Anatahan, Northern Mariana Islands. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 145.9119° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.9349° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 31.2 km Depth of the event in kilometers.
Place 69km NNE 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 2015-09-25 22:04:31 Time when the event occurred. UTC/GMT
Updated 2015-09-25 22:56:36 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 340 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 0.62 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.49 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 87 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 us20003p8z Id of event.
Event Code 20003p8z An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003p8z, A comma-separated list of event ids that are associated to an event.

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