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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Agrihan in Northern Mariana Islands

Posted by admin on November 19, 2019 0 Comments

Earthquake location 18.6882S, 145.3554WA light earthquake with magnitude 4.2 (ml/mb) was detected on Monday, 33 km WSW of Agrihan, Northern Mariana Islands (21 miles). Exact location of event, depth 190.58 km, 145.3554° East, 18.6882° North. Global date and time of event UTC/GMT: 11/11/19 / 2019-11-11 02:17:48 / November 11, 2019 @ 2:17 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us700069xh. Ids that are associated to the event: us700069xh. The temblor was picked up at 12:17:48 / 12:17 pm (local time epicenter). The epicenter of the earthquake was roughly 190.58 km (118 miles) below the earth’s surface.

There are an estimated 13,000 light earthquakes in the world each year. 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 fifty-eight 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.

Did you feel the quake?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 33 km WSW of Agrihan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 145.3554° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.6882° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 190.58 km Depth of the event in kilometers.
Place 33km WSW 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 2019-11-11 02:17:48 Time when the event occurred. UTC/GMT
Updated 2019-11-19 23:14:58 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 271 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 3.453 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.7 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 166 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 us700069xh Id of event.
Event Code 700069xh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us700069xh, A comma-separated list of event ids that are associated to an event.

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