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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.9 mag strikes near Hihifo in Tonga


Earthquake location -15.6755S, -173.6951WA light earthquake magnitude 4.9 (ml/mb) has occurred on Thursday, 30 kilometers (19 miles) from Hihifo in Tonga. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 25/01/19 / 2019-01-25 04:21:33 / January 25, 2019 @ 4:21 am. The temblor was reported at 16:21:33 / 4:21 pm (local time epicenter). The earthquake occurred at a depth of 61.86 km (38 miles). Id of earthquake: us2000j8ne. Event ids that are associated: us2000j8ne. Exact location of event, longitude -173.6951 West, latitude -15.6755 South, depth = 61.86 km.

Nearest cities/city/towns to hypocenter/epicentrum was Hihifo (min 5000 pop). Nearby country/countries that might be effected, Tonga (c. 123 000 pop). Event epicenter was 33 km (20 miles) from Hihifo (c. 800 pop).

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

Did you feel it?

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: 30 km N of Hihifo, Tonga. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude -173.6951° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -15.6755° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 61.86 km Depth of the event in kilometers.
Place 30km N 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 2019-01-25 04:21:33 Time when the event occurred. UTC/GMT
Updated 2019-01-25 05:33:30 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 369 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 2.554 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 99 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 us2000j8ne Id of event.
Event Code 2000j8ne An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000j8ne, A comma-separated list of event ids that are associated to an event.

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