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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Farallon de Pajaros in Northern Mariana Islands


Earthquake location 21.7387S, 143.5377WA light earthquake with magnitude 4.3 (ml/mb) was detected on Monday, 194 km NW of Farallon de Pajaros, Northern Mariana Islands (121 miles). Exact location of event, depth 205.15 km, 143.5377° East, 21.7387° North. Global time and date of event 12/04/20 / 2020-04-12 14:20:03 / April 12, 2020 @ 2:20 pm UTC/GMT. The temblor was detected at 00:20:03 / 12:20 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 205.15 km (127 miles) below the earth’s surface. Unique identifier: us70008ym2. Ids that are associated to the event: us70008ym2.

There are an estimated 13,000 light earthquakes in the world each year. 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 three and in the last 365 days thirty-seven earthquakes of magnitude 3.0 or greater that has struck near.

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. 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: 194 km NW of Farallon de Pajaros, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 143.5377° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 21.7387° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 205.15 km Depth of the event in kilometers.
Place 194km NW of Farallon de Pajaros, 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 2020-04-12 14:20:03 Time when the event occurred. UTC/GMT
Updated 2020-04-19 16:04:48 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 284 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 5.473 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.54 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 51 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 us70008ym2 Id of event.
Event Code 70008ym2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70008ym2, A comma-separated list of event ids that are associated to an event.

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