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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.1 mag, 30 km SSW of Rota, Northern Mariana Islands


Earthquake location 13.8891S, 145.1388WA light earthquake with magnitude 4.1 (ml/mb) was reported 30 kilometers (19 miles) from Rota in Northern Mariana Islands on Monday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 140.34 km (87 miles). Id of earthquake: us70008gee. Event ids that are associated: us70008gee. Exact location of event, longitude 145.1388 East, latitude 13.8891 North, depth = 140.34 km. Global time and date of event 22/03/20 / 2020-03-22 21:36:15 / March 22, 2020 @ 9:36 pm UTC/GMT. The temblor was picked up at 07:36:15 / 7:36 am (local time epicenter).

Nearby country/countries that might be effected, Guam (c. 159 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Merizo Village, Umatac Village, Inarajan Village. Event epicenter was 52 km (33 miles) from Dededo Village (c. 44 900 pop), 48 km (30 miles) from Yigo Village (c. 20 500 pop), 59 km (37 miles) from Tamuning-Tumon-Harmon Village (c. 19 700 pop), 61 km (38 miles) from Mangilao Village (c. 15 200 pop), 59 km (37 miles) from Barrigada Village (c. 8 900 pop), 75 km (47 miles) from Santa Rita Village (c. 7 500 pop).

Every year there are an estimated 13,000 light earthquakes in the world. 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 five and in the last 365 days fourty-five earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel it?

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: 30 km SSW of Rota, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 145.1388° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.8891° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 140.34 km Depth of the event in kilometers.
Place 30km SSW 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 2020-03-22 21:36:15 Time when the event occurred. UTC/GMT
Updated 2020-04-06 23:54:40 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 0.397 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.44 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 161 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 us70008gee Id of event.
Event Code 70008gee An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70008gee, A comma-separated list of event ids that are associated to an event.

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