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Earthquake breaking news, Moderate World Earthquakes Magnitude 5–5.9

Moderate earthquake, 5.4 mag was detected near Hihifo in Tonga

Earthquake location -16.6875S, -173.5727WA moderate earthquake with magnitude 5.4 (ml/mb) was reported 83 kilometers (52 miles) from Hihifo in Tonga on Thursday. Date and time of earthquake in UTC/GMT: 27/04/17 / 2017-04-27 18:46:43 / April 27, 2017 @ 6:46 pm. The epicenter of the earthquake was roughly 45.25 km (28 miles) below the earth’s surface. Event ids that are associated to the earthquake: us10008ld1. Id of event: us10008ld1. Exact location of earthquake, -173.5727° West, -16.6875° South, depth 45.25 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 06:46:43 / 6:46 am (local time epicenter).

Event epicenter was 85 km (53 miles) from Hihifo (c. 800 pop). Country/countries that might be effected, Tonga (c. 123 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Hihifo (min 5000 pop).

Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. There are an estimated 1320 moderate quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days four and in the last 365 days fifty-eight earthquakes of magnitude 3.0 or greater that has occurred nearby.

Questions or comments?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 83 km SSE of Hihifo, Tonga. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 5.4 mb The magnitude for the event.
Longitude -173.5727° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -16.6875° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 45.25 km Depth of the event in kilometers.
Place 83km SSE 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 2017-04-27 18:46:43 Time when the event occurred. UTC/GMT
Updated 2017-04-27 19:06:20 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2.2 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 449 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 3.26 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.76 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 52 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 us10008ld1 Id of event.
Event Code 10008ld1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008ld1, A comma-separated list of event ids that are associated to an event.

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