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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag was detected near Hihifo in Tonga


Earthquake location -16.4196S, -174.424WA light earthquake magnitude 4.1 (ml/mb) has occurred on Sunday, 88 kilometers (55 miles) from Hihifo in Tonga. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us10002ly2. Ids that are associated to the event: us10002ly2. Date and time of earthquake in UTC/GMT: 15/06/15 / 2015-06-15 03:06:39 / June 15, 2015 @ 3:06 am. The earthquake was roughly at a depth of 129.38 km (80 miles). Exact location of earthquake, -174.424° West, -16.4196° South, depth 129.38 km. The temblor was reported at 15:06:39 / 3:06 pm (local time epicenter).

Closest city/cities/towns to epicentrum/hypocenter was Hihifo (min 5000 pop). Nearby country/countries that might be effected, Tonga (c. 123 000 pop). Epicenter of the event was 85 km (53 miles) from Hihifo (c. 800 pop).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days two and in the last 365 days twenty earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 13,000 light earthquakes in the world each year.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 88 km SW of Hihifo, Tonga. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -174.424° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -16.4196° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 129.38 km Depth of the event in kilometers.
Place 88km SW 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 2015-06-15 03:06:39 Time when the event occurred. UTC/GMT
Updated 2015-06-29 01:20:33 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 259 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 3.572 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.79 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 76 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 us10002ly2 Id of event.
Event Code 10002ly2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10002ly2, A comma-separated list of event ids that are associated to an event.

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