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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.9 mag, 92 km NNE of Hihifo, Tonga


Earthquake location -15.1913S, -173.389WA light earthquake magnitude 4.9 (ml/mb) has struck on Tuesday, 92 kilometers (57 miles) from Hihifo in Tonga. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 17/07/19 / 2019-07-17 10:09:19 / July 17, 2019 @ 10:09 am. Exact location, longitude -173.389° West, latitude -15.1913° South, depth = 10 km. The temblor was reported at 22:09:19 / 10:09 pm (local time epicenter). Unique identifier: us70004m4y. Ids that are associated to the event: us70004m4y. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Close country/countries that might be effected, Tonga (c. 123 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Hihifo (min 5000 pop). The epicenter was 95 km (59 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 one, in the last 10 days two, in the past 30 days five and in the last 365 days fifty-five earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel the quake?

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: 92 km NNE of Hihifo, Tonga.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude -173.389° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -15.1913° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 92km 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 2019-07-17 10:09:19 Time when the event occurred. UTC/GMT
Updated 2019-07-17 10:37:15 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 4.661 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.77 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 62 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 us70004m4y Id of event.
Event Code 70004m4y An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70004m4y, A comma-separated list of event ids that are associated to an event.

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