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Earthquake breaking news, Moderate World Earthquakes Magnitude 5–5.9

Moderate earthquake, 5.1 mag strikes near `Ohonua in Tonga

Posted by admin on September 22, 2018 0 Comments

Earthquake location -21.2992S, -173.9243WA moderate earthquake with magnitude 5.1 (ml/mb) was reported 106 km E of `Ohonua, Tonga (66 miles) on Saturday. The earthquake occurred at a depth of 4.37 km (3 miles) below the earth’s surface. All ids that are associated to the event: us2000hirf. Unique identifier: us2000hirf. Date and time of earthquake in UTC/GMT: 22/09/18 / 2018-09-22 18:35:35 / September 22, 2018 @ 6:35 pm. The 5.1-magnitude earthquake was detected at 06:35:35 / 6:35 am (local time epicenter). Exact location of event, longitude -173.9243 West, latitude -21.2992 South, depth = 4.37 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

There are an estimated 1320 moderate quakes in the world each year. 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-six earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 106 km E of `Ohonua, Tonga.

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More information

Parameter Value Description
Magnitude 5.1 mb The magnitude for the event.
Longitude -173.9243° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.2992° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.37 km Depth of the event in kilometers.
Place 106km E of `Ohonua, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-09-22 18:35:35 Time when the event occurred. UTC/GMT
Updated 2018-09-22 18:59:24 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 400 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 4.357 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.76 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 80 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 us2000hirf Id of event.
Event Code 2000hirf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000hirf, A comma-separated list of event ids that are associated to an event.

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