Light earthquake 4.6 mag, 275 km S of `Ohonua, Tonga

A light earthquake magnitude 4.6 (ml/mb) has struck on Wednesday, 275 km S of `Ohonua, Tonga (171 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -175.3486° West, latitude -23.7915° South, depth = 10 km. Date and time of earthquake in UTC/GMT: 18/10/17 / 2017-10-18 16:00:36 / October 18, 2017 @ 4:00 pm. The temblor was reported at 04:00:36 / 4:00 am (local time epicenter). The earthquake was roughly at a depth of 10 km (6 miles). Unique identifier: us1000awpq. Ids that are associated to the event: us1000awpq.

In the past 24 hours, there have been six, in the last 10 days sixteen, in the past 30 days seventeen and in the last 365 days thirty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 275 km S of `Ohonua, Tonga.

`Ohonua Tonga

More information

Parameter	Value	Description
Magnitude	4.6 mb	The magnitude for the event.
Longitude	-175.3486° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-23.7915° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	275km S of `Ohonua, Tonga	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-10-18 16:00:36	Time when the event occurred. UTC/GMT
Updated	2017-10-30 01:43:31	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	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	5.902	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.13 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	89	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	us1000awpq	Id of event.
Event Code	1000awpq	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us1000awpq,	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

Light earthquake 4.6 mag, 275 km S of `Ohonua, Tonga

Did you feel the quake?

More information

Leave a ReplyCancel reply

Follow us!

Tsunami videos

Categories

Information