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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 23 km S of Agrihan, Northern Mariana Islands

Posted by admin on November 18, 2016 0 Comments

Earthquake location 18.5563S, 145.693WA light earthquake with magnitude 4.3 (ml/mb) was detected on Saturday, 23 km S of Agrihan, Northern Mariana Islands (14 miles). The temblor was reported at 05:46:16 / 5:46 am (local time epicenter). The epicenter was at a depth of 202.12 km (126 miles). Exact time and date of earthquake 21/10/16 / 2016-10-21 19:46:16 / October 21, 2016 @ 7:46 pm UTC/GMT. Exact location of earthquake, 145.693° East, 18.5563° North, depth 202.12 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us100072f2. Id of event: us100072f2.

In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days six and in the last 365 days one hundred and twenty-five earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world.

Did you feel anything?

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: 23 km S of Agrihan, Northern Mariana Islands. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 145.693° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.5563° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 202.12 km Depth of the event in kilometers.
Place 23km S of Agrihan, 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 2016-10-21 19:46:16 Time when the event occurred. UTC/GMT
Updated 2016-11-18 21:28:35 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 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 284 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 3.298 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.77 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 98 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 us100072f2 Id of event.
Event Code 100072f2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100072f2, A comma-separated list of event ids that are associated to an event.

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