Light earthquake, 4.9 mag strikes near `Ohonua in Tonga

A light earthquake magnitude 4.9 (ml/mb) has struck on Monday, 108 km SE of `Ohonua, Tonga (67 miles). The earthquake was roughly at a depth of 10 km (6 miles). Unique identifier: us2000bs8n. Ids that are associated to the event: us2000bs8n. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 21/11/17 / 2017-11-21 09:31:17 / November 21, 2017 @ 9:31 am. Exact location of event, longitude -174.3106 West, latitude -22.108 South, depth = 10 km. The temblor was reported at 21:31:17 / 9:31 pm (local time epicenter).

There are an estimated 13,000 light quakes in the world each year. 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 nineteen earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city 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: 108 km SE of `Ohonua, Tonga.

`Ohonua Tonga

More information

Parameter	Value	Description
Magnitude	4.9 mb	The magnitude for the event.
Longitude	-174.3106° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-22.108° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	108km SE 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	2017-11-21 09:31:17	Time when the event occurred. UTC/GMT
Updated	2017-11-21 10:32:04	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	5.094	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.43 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	83	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	us2000bs8n	Id of event.
Event Code	2000bs8n	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us2000bs8n,	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, 4.9 mag strikes near `Ohonua in Tonga

How would you describe the shaking?

More information

Leave a ReplyCancel reply

Follow us!

Tsunami videos

Categories

Information