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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.5 quake has struck near Farallon de Pajaros in Northern Mariana Islands

Posted by admin on August 10, 2018 0 Comments

Earthquake location 20.1077S, 145.631WA light earthquake with magnitude 4.5 (ml/mb) was detected on Tuesday, 90 km ESE of Farallon de Pajaros, Northern Mariana Islands (56 miles). The temblor was picked up at 18:57:54 / 6:57 pm (local time epicenter). The epicenter of the earthquake was roughly 57.35 km (36 miles) below the earth’s surface. Event id: us1000g2ml. Ids that are associated to the earthquake: us1000g2ml. Exact location of earthquake, longitude 145.631 East, latitude 20.1077 North, depth = 57.35 km. Global time and date of event 31/07/18 / 2018-07-31 08:57:54 / July 31, 2018 @ 8:57 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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. There are an estimated 13,000 light earthquakes in the world each year. 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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 90 km ESE of Farallon de Pajaros, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 145.631° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 20.1077° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 57.35 km Depth of the event in kilometers.
Place 90km ESE of Farallon de Pajaros, 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 2018-07-31 08:57:54 Time when the event occurred. UTC/GMT
Updated 2018-08-10 06:52:32 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 312 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 4.842 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.9 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 120 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 us1000g2ml Id of event.
Event Code 1000g2ml An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000g2ml, A comma-separated list of event ids that are associated to an event.

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