Moderate earthquake, 5.5 mag has occurred near Hihifo in Tonga

A moderate earthquake magnitude 5.5 (ml/mb) has struck on Monday, 137 km NE of Hihifo, Tonga (85 miles). Unique identifier: pt17304002. Ids that are associated to the event: pt17304002. The temblor was detected at 16:58:55 / 4:58 pm (local time epicenter). The epicenter was at a depth of 73.6 km (46 miles). Exact time and date of earthquake 31/10/17 / 2017-10-31 04:58:55 / October 31, 2017 @ 4:58 am UTC/GMT. Exact location of earthquake, -172.738° West, -15.181° South, depth 73.6 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Each year there are an estimated 1320 moderate quakes in the world. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days thirty-seven earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel it?

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

Hihifo Tonga

More information

Parameter	Value	Description
Magnitude	5.5 mb	The magnitude for the event.
Longitude	-172.738° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-15.181° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	73.6 km	Depth of the event in kilometers.
Place	137km NE 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	2017-10-31 04:58:55	Time when the event occurred. UTC/GMT
Updated	2017-10-31 05:08:41	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	465	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	pt	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,pt,	A comma-separated list of network contributors.
Number of Stations Used	17	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance		Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	133.199989344	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	Mi	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	pt17304002	Id of event.
Event Code	17304002	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pt17304002,	A comma-separated list of event ids that are associated to an event.

Earthquakes today

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

Moderate earthquake, 5.5 mag has occurred near Hihifo in Tonga

Did you feel it?

More information

Leave a ReplyCancel reply

Follow us!

Tsunami videos

Categories

Information