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Moderate earthquake 5 mag, 148 km S of `Ohonua, Tonga

Posted by admin on December 3, 2018 0 Comments

Earthquake location -22.6754S, -174.8886WA moderate earthquake magnitude 5 (ml/mb) has struck on Monday, 148 km S of `Ohonua, Tonga (92 miles). Exact location of earthquake, longitude -174.8886 West, latitude -22.6754 South, depth = 10 km. The 5-magnitude earthquake was detected at 09:24:23 / 9:24 am (local time epicenter). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us1000i1f1. Ids that are associated to the earthquake: us1000i1f1. Date and time of earthquake in UTC/GMT: 03/12/18 / 2018-12-03 21:24:23 / December 3, 2018 @ 9:24 pm.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days six and in the last 365 days twenty-six earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 1320 moderate quakes in the world. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

Did you feel anything?

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. 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: 148 km S of `Ohonua, Tonga.

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More information

Parameter Value Description
Magnitude 5 mb The magnitude for the event.
Longitude -174.8886° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -22.6754° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 148km S 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 2018-12-03 21:24:23 Time when the event occurred. UTC/GMT
Updated 2018-12-03 21:53:13 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 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 5.859 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.31 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 85 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 us1000i1f1 Id of event.
Event Code 1000i1f1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000i1f1, A comma-separated list of event ids that are associated to an event.

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