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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag has occurred near Saipan in Northern Mariana Islands


Earthquake location 16.3622S, 145.3722WA light earthquake magnitude 4 (ml/mb) strikes 133 km NNW of Saipan, Northern Mariana Islands (83 miles) on Sunday. All ids that are associated to the event: us7000bpfd. Unique identifier: us7000bpfd. The 4-magnitude earthquake has occurred at 03:44:35 / 3:44 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 13/09/20 / 2020-09-13 03:44:35 / September 13, 2020 @ 3:44 am. The earthquake occurred at a depth of 232.03 km (144 miles). Exact location of earthquake, longitude 145.3722 East, latitude 16.3622 North, depth = 232.03 km.

There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. 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 seven earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel anything?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 133 km NNW of Saipan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 145.3722° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.3622° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 232.03 km Depth of the event in kilometers.
Place 133 km NNW of Saipan, 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 2020-09-13 03:44:35 Time when the event occurred. UTC/GMT
Updated 2020-09-18 01:35:07 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 1.185 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.79 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 83 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 us7000bpfd Id of event.
Event Code 7000bpfd An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000bpfd, A comma-separated list of event ids that are associated to an event.

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