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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag strikes near Rota in Northern Mariana Islands


Earthquake location 13.9624S, 144.8802WA light earthquake with magnitude 4.1 (ml/mb) was detected on Wednesday, 40 kilometers (25 miles) from Rota in Northern Mariana Islands. Id of earthquake: us2000d6yv. Event ids that are associated: us2000d6yv. Exact location of event, depth 124.95 km, 144.8802° East, 13.9624° North. The epicenter was at a depth of 124.95 km (78 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 20:51:58 / 8:51 pm (local time epicenter). Global date and time of event UTC/GMT: 14/02/18 / 2018-02-14 10:51:58 / February 14, 2018 @ 10:51 am.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Merizo Village, Inarajan Village, Umatac Village. Nearby country/countries, Guam (c. 159 000 pop) (That might be effected). Earthquake epicenter was 50 km (31 miles) from Dededo Village (c. 44 900 pop), 47 km (29 miles) from Yigo Village (c. 20 500 pop), 54 km (33 miles) from Tamuning-Tumon-Harmon Village (c. 19 700 pop), 58 km (36 miles) from Mangilao Village (c. 15 200 pop), 56 km (35 miles) from Barrigada Village (c. 8 900 pop), 68 km (42 miles) from Santa Rita Village (c. 7 500 pop).

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

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 40 km WSW of Rota, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 144.8802° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.9624° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 124.95 km Depth of the event in kilometers.
Place 40km WSW 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 2018-02-14 10:51:58 Time when the event occurred. UTC/GMT
Updated 2018-03-11 13:12:16 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 259 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 0.371 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.62 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 120 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 us2000d6yv Id of event.
Event Code 2000d6yv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000d6yv, A comma-separated list of event ids that are associated to an event.

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