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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.4 quake has struck near Rota in Northern Mariana Islands


Earthquake location 13.6422S, 146.5755WA light earthquake with magnitude 4.4 (ml/mb) was detected on Saturday, 158 km ESE of Rota, Northern Mariana Islands (98 miles). 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: 10/08/18 / 2018-08-10 16:45:38 / August 10, 2018 @ 4:45 pm. The earthquake occurred at a depth of 31.14 km (19 miles). The temblor was reported at 02:45:38 / 2:45 am (local time epicenter). Exact location of earthquake, longitude 146.5755 East, latitude 13.6422 North, depth = 31.14 km. Id of earthquake: us1000gadr. Event ids that are associated: us1000gadr.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days three and in the last 365 days thirty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area.

How would you describe the shaking?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 158 km ESE of Rota, Northern Mariana Islands. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 146.5755° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.6422° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 31.14 km Depth of the event in kilometers.
Place 158km ESE of Rota, 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 2018-08-10 16:45:38 Time when the event occurred. UTC/GMT
Updated 2018-08-26 14:19:12 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 298 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 1.66 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.05 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 94 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 us1000gadr Id of event.
Event Code 1000gadr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000gadr, A comma-separated list of event ids that are associated to an event.

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