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Strong earthquake 6.7 mag, 64 km SE of Neiafu, Tonga

Earthquake location -19.1S, -173.6WA earthquake magnitude 6.7 (ml/mb) has struck on Thursday, 64 kilometers (40 miles) from Neiafu in Tonga. Exact location of earthquake, longitude -173.6 West, latitude -19.1 South, depth = 10 km. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Id of earthquake: at00qhi0qn. Event ids that are associated: pt20275000, at00qhi0qn. The temblor was reported at 01:13:39 / 1:13 am (local time epicenter). Global date and time of event UTC/GMT: 01/10/20 / 2020-10-01 01:13:39 / October 1, 2020 @ 1:13 am. A tsunami warning has been issued near Neiafu in Tonga (Does not indicate if a tsunami actually did or will exist).

The epicenter was 64 km (40 miles) from Neiafu (c. 4 300 pop), 112 km (70 miles) from Pangai (c. 1 700 pop). Nearest cities/city/towns to hypocenter/epicentrum was Pangai, Neiafu (min 5000 pop). 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 two and in the last 365 days fourty-one earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 6.0 to 6.9 may cause a lot of damage in very populated areas. Each year there are an estimated 135 earthquakes in the world.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city 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: 64 km SE of Neiafu, Tonga.

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More information

Parameter Value Description
Magnitude 6.7 mb The magnitude for the event.
Longitude -173.6° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -19.1° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 64 km SE of Neiafu, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-10-01 01:13:39 Time when the event occurred. UTC/GMT
Updated 2020-10-01 01:23:07 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 1 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 691 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,pt,at, A comma-separated list of network contributors.
Number of Stations Used 43 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.38 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 82.799993376001 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 at00qhi0qn Id of event.
Event Code 00qhi0qn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pt20275000,at00qhi0qn, A comma-separated list of event ids that are associated to an event.

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