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Moderate World Earthquakes Magnitude 5–5.9

Moderate earthquake, 5 mag strikes near JP Tinian Town pre-WW2 in Northern Mariana Islands

Earthquake location 13.8059S, 147.4117WA moderate earthquake magnitude 5 (ml/mb) has struck on Saturday, 231 km ESE of JP Tinian Town pre-WW2, Northern Mariana Islands (144 miles). 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 22.91 km (14 miles) below the earth’s surface. Unique identifier: us1000axkt. Ids that are associated to the event: us1000axkt. Global time and date of event 20/10/17 / 2017-10-20 17:44:39 / October 20, 2017 @ 5:44 pm UTC/GMT. The 5-magnitude earthquake was detected at 03:44:39 / 3:44 am (local time epicenter). Exact location of earthquake, 147.4117° East, 13.8059° North, depth 22.91 km.

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 eleven earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. There are an estimated 1320 moderate earthquakes in the world each year.

Did you feel the quake?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 231 km ESE of JP Tinian Town pre-WW2, Northern Mariana Islands. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 5 mb The magnitude for the event.
Longitude 147.4117° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.8059° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.91 km Depth of the event in kilometers.
Place 231km ESE of JP Tinian Town pre-WW2, 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 2017-10-20 17:44:39 Time when the event occurred. UTC/GMT
Updated 2017-11-14 17:31:11 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 385 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 2.481 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 90 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 us1000axkt Id of event.
Event Code 1000axkt An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000axkt, A comma-separated list of event ids that are associated to an event.

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