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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.7 mag has occurred near Farallon de Pajaros in Northern Mariana Islands

Posted by admin on August 30, 2017 0 Comments

Earthquake location 20.8498S, 144.602WA light earthquake with magnitude 4.7 (ml/mb) was detected on Thursday, 46 km NW of Farallon de Pajaros, Northern Mariana Islands (29 miles). The 4.7-magnitude earthquake was detected at 03:39:48 / 3:39 am (local time epicenter). Date and time of earthquake in UTC/GMT: 02/08/17 / 2017-08-02 17:39:48 / August 2, 2017 @ 5:39 pm. Event id: us2000a3r4. Ids that are associated to the earthquake: us2000a3r4. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, 144.602° East, 20.8498° North, depth 80.43 km. The epicenter was at a depth of 80.43 km (50 miles).

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

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 46 km NW of Farallon de Pajaros, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 144.602° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 20.8498° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 80.43 km Depth of the event in kilometers.
Place 46km NW 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 2017-08-02 17:39:48 Time when the event occurred. UTC/GMT
Updated 2017-08-30 19:00:31 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 340 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 6.598 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.63 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 80 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 us2000a3r4 Id of event.
Event Code 2000a3r4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a3r4, A comma-separated list of event ids that are associated to an event.

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