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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag strikes near Farallon de Pajaros in Northern Mariana Islands

Earthquake location 21.1728S, 144.4737WA light earthquake magnitude 4.3 (ml/mb) has occurred on Saturday, 83 km NNW of Farallon de Pajaros, Northern Mariana Islands (52 miles). The earthquake occurred at a depth of 152.91 km (95 miles) below the earth’s surface. Exact location of earthquake, longitude 144.4737 East, latitude 21.1728 North, depth = 152.91 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 18:37:16 / 6:37 pm (local time epicenter). All ids that are associated to the event: us70005cdd. Unique identifier: us70005cdd. Exact time and date of event in UTC/GMT: 31/08/19 / 2019-08-31 08:37:16 / August 31, 2019 @ 8:37 am.

Every year there are an estimated 13,000 light earthquakes in the world. 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 fifteen 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.

Questions or comments?

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: 83 km NNW of Farallon de Pajaros, Northern Mariana Islands. This information 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 144.4737° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 21.1728° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 152.91 km Depth of the event in kilometers.
Place 83km NNW 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 2019-08-31 08:37:16 Time when the event occurred. UTC/GMT
Updated 2019-09-22 08:41:25 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 6.03 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.86 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 132 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 us70005cdd Id of event.
Event Code 70005cdd An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70005cdd, A comma-separated list of event ids that are associated to an event.

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