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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Agrihan in Northern Mariana Islands

Posted by admin on March 1, 2018 0 Comments

Earthquake location 18.8404S, 145.3497WA light earthquake magnitude 4 (ml/mb) has occurred on Monday, 34 km WNW of Agrihan, Northern Mariana Islands (21 miles). Unique identifier: us2000d6eq. Ids that are associated to the event: us2000d6eq. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 530.4 km (330 miles) below the earth’s surface. Global date and time of event UTC/GMT: 12/02/18 / 2018-02-12 03:52:47 / February 12, 2018 @ 3:52 am. Exact location, longitude 145.3497° East, latitude 18.8404° North, depth = 530.4 km. The temblor was picked up at 13:52:47 / 1:52 pm (local time epicenter).

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

Did you feel the quake?

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: 34 km WNW 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 mb The magnitude for the event.
Longitude 145.3497° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8404° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 530.4 km Depth of the event in kilometers.
Place 34km WNW 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 2018-02-12 03:52:47 Time when the event occurred. UTC/GMT
Updated 2018-03-01 04:45:30 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 246 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 3.604 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.65 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 121 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 us2000d6eq Id of event.
Event Code 2000d6eq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000d6eq, A comma-separated list of event ids that are associated to an event.

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