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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag was detected near Hihifo in Tonga


Earthquake location -15.3852S, -174.0539WA light earthquake with magnitude 4.4 (ml/mb) was reported 70 kilometers (43 miles) from Hihifo in Tonga on Sunday. Exact location of event, depth 70.24 km, -174.0539° West, -15.3852° South. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 70.24 km (44 miles). Date and time of earthquake in UTC/GMT: 12/06/16 / 2016-06-12 13:21:38 / June 12, 2016 @ 1:21 pm. The 4.4-magnitude earthquake was detected at 01:21:38 / 1:21 am (local time epicenter). Id of earthquake: us20006530. Event ids that are associated: us20006530.

Close country/countries that might be effected, Tonga (c. 123 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Hihifo. Epicenter of the event was 69 km (43 miles) from Hihifo (c. 800 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been three, in the last 10 days five, in the past 30 days six and in the last 365 days fifty-two earthquakes of magnitude 3.0 or greater that was reported nearby.

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 70 km NNW of Hihifo, Tonga. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -174.0539° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -15.3852° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 70.24 km Depth of the event in kilometers.
Place 70km NNW 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 2016-06-12 13:21:38 Time when the event occurred. UTC/GMT
Updated 2016-07-04 13:25:43 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 298 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 2.647 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.32 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 160 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 us20006530 Id of event.
Event Code 20006530 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20006530, A comma-separated list of event ids that are associated to an event.

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