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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag strikes near Rota in Northern Mariana Islands



Earthquake location 14.2702S, 145.2397WA light earthquake magnitude 4.4 (ml/mb) strikes 13 kilometers (8 miles) from Rota in Northern Mariana Islands on Friday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 103.61 km (64 miles). All ids that are associated to the event: us100086r4. Unique identifier: us100086r4. Date and time of earthquake in UTC/GMT: 23/02/17 / 2017-02-23 17:22:37 / February 23, 2017 @ 5:22 pm. The temblor was detected at 03:22:37 / 3:22 am (local time epicenter). Exact location of event, longitude 145.2397 East, latitude 14.2702 North, depth = 103.61 km.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Dededo Village, Yigo Village, San Jose Village. The epicenter was 94 km (59 miles) from Dededo Village (c. 44 900 pop), 90 km (56 miles) from Yigo Village (c. 20 500 pop), 88 km (55 miles) from San Jose Village (c. 15 000 pop). Nearby country/countries, Guam (c. 159 000 pop), Northern Mariana Islands (c. 54 000 pop) (That might be effected).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days thirty-two 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. Each year there are an estimated 13,000 light quakes in the world.

How would you describe the shaking?

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: 13 km NNE of Rota, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 145.2397° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 14.2702° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 103.61 km Depth of the event in kilometers.
Place 13km NNE 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 2017-02-23 17:22:37 Time when the event occurred. UTC/GMT
Updated 2017-03-09 00:24:35 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 0.767 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 79 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 us100086r4 Id of event.
Event Code 100086r4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100086r4, A comma-separated list of event ids that are associated to an event.

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