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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.9 mag was detected near San Jose Village in Northern Mariana Islands


Earthquake location 14.362S, 146.1077WA light earthquake with magnitude 4.9 (ml/mb) was reported 85 kilometers (53 miles) from San Jose Village in Northern Mariana Islands on Saturday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, 146.1077° East, 14.362° North, depth 10 km. Global date and time of event UTC/GMT: 20/02/21 / 2021-02-20 01:37:17 / February 20, 2021 @ 1:37 am. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Id of earthquake: us7000ddjx. Event ids that are associated: us7000ddjx. The temblor was picked up at 01:37:17 / 1:37 am (local time epicenter).

Epicenter of the earthquake was 102 km (63 miles) from Saipan (c. 48 200 pop), 85 km (53 miles) from San Jose Village (c. 15 000 pop). Nearby country/countries, Northern Mariana Islands (c. 54 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Saipan, San Jose Village (min 5000 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days twenty-eight earthquakes of magnitude 3.0 or greater that has occurred nearby. Each 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.

Did you feel it?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 85 km SE of San Jose Village, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude 146.1077° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 14.362° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 85 km SE of San Jose Village, 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 2021-02-20 01:37:17 Time when the event occurred. UTC/GMT
Updated 2021-02-25 22:06:55 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 369 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 0.912 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.96 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 211 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 us7000ddjx Id of event.
Event Code 7000ddjx An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000ddjx, A comma-separated list of event ids that are associated to an event.

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