Earthquakes today

Current and latest world earthquakes breaking news, activity and articles today


Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.6 mag, 231 km SE of Hihifo, Tonga



Earthquake location -17.1519S, -171.9741WA light earthquake with magnitude 4.6 (ml/mb) was detected on Monday, 231 km SE of Hihifo, Tonga (144 miles). All ids that are associated to the event: us100087i2. Unique identifier: us100087i2. Exact time and date of event in UTC/GMT: 27/02/17 / 2017-02-27 14:51:55 / February 27, 2017 @ 2:51 pm. Exact location of earthquake, longitude -171.9741 West, latitude -17.1519 South, depth = 22.84 km. The temblor was picked up at 03:51:55 / 3:51 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 22.84 km (14 miles) below the earth’s surface.

In the past 24 hours, there have been two, 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. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world.

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 231 km SE of Hihifo, Tonga.

Copyright © 2017 earthquakenewstoday.com All rights reserved.



More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -171.9741° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -17.1519° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.84 km Depth of the event in kilometers.
Place 231km SE 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 2017-02-27 14:51:55 Time when the event occurred. UTC/GMT
Updated 2017-03-15 14:05:00 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 326 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 2.729 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.88 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 110 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 us100087i2 Id of event.
Event Code 100087i2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100087i2, A comma-separated list of event ids that are associated to an event.

Leave a Reply