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Light earthquake, 4.8 mag has occurred near JP Tinian Town pre-WW2 in Northern Mariana Islands

Posted by admin on February 21, 2018 0 Comments

Earthquake location 14.3741S, 147.0227WA light earthquake magnitude 4.8 (ml/mb) has occurred on Thursday, 164 km ESE of JP Tinian Town pre-WW2, Northern Mariana Islands (102 miles). Exact location, longitude 147.0227° East, latitude 14.3741° North, depth = 10 km. The earthquake was roughly at a depth of 10 km (6 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.8-magnitude earthquake was detected at 08:09:17 / 8:09 am (local time epicenter). Exact time and date of earthquake 21/02/18 / 2018-02-21 22:09:17 / February 21, 2018 @ 10:09 pm UTC/GMT. All ids that are associated to the event: us2000d657. Unique identifier: us2000d657.

In the past 24 hours, there have been one, in the last 10 days ten, in the past 30 days ten and in the last 365 days twenty-one earthquakes of magnitude 3.0 or greater that has struck near. 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.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city 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: 164 km ESE of JP Tinian Town pre-WW2, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.8 mb The magnitude for the event.
Longitude 147.0227° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 14.3741° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 164km ESE of JP Tinian Town pre-WW2, 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 2018-02-21 22:09:17 Time when the event occurred. UTC/GMT
Updated 2018-02-21 22:32:56 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 354 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 1.471 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.03 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 71 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 us2000d657 Id of event.
Event Code 2000d657 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000d657, A comma-separated list of event ids that are associated to an event.

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