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Earthquake breaking news, Strong World Earthquakes Magnitude 6–6.9

Strong earthquake 6.4 mag, 75 km NNE of Hihifo, Tonga


Earthquake location -15.37S, -173.44WA earthquake magnitude 6.4 (ml/mb) has struck on Saturday, 75 kilometers (47 miles) from Hihifo in Tonga. 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 33 km (21 miles). Exact location, longitude -173.44° West, latitude -15.37° South, depth = 33 km. Id of earthquake: pt20312002. Event ids that are associated: pt20312002. The temblor was detected at 09:27:06 / 9:27 am (local time epicenter). Global date and time of event UTC/GMT: 07/11/20 / 2020-11-07 09:27:06 / November 7, 2020 @ 9:27 am.

Earthquake epicenter was 75 km (47 miles) from Hihifo (c. 800 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Hihifo. Country/countries that might be effected, Tonga (c. 123 000 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days four and in the last 365 days ninety-two earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 135 quakes in the world each year. Earthquakes 6.0 to 6.9 may cause a lot of damage in very populated areas.

How would you describe the shaking?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 75 km NNE of Hihifo, Tonga.

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More information

Parameter Value Description
Magnitude 6.4 mb The magnitude for the event.
Longitude -173.44° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -15.37° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 33 km Depth of the event in kilometers.
Place 75 km NNE of Hihifo, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-11-07 09:27:06 Time when the event occurred. UTC/GMT
Updated 2020-11-07 09:41:30 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 2 The total number of felt reports
CDI 4.7 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 631 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network pt The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,pt, A comma-separated list of network contributors.
Number of Stations Used 16 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Mi The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID pt20312002 Id of event.
Event Code 20312002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pt20312002, A comma-separated list of event ids that are associated to an event.

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