Light earthquake 4.3 mag, Macquarie Island region

A light earthquake magnitude 4.3 (ml/mb) strikes Macquarie Island region (0 miles) on Monday. Exact location of event, longitude 158.7287 East, latitude -57.5785 South, depth = 39.465 km. 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: 28/07/25 / 2025-07-28 23:34:24 / July 28, 2025 @ 11:34 pm. The 4.3-magnitude earthquake has occurred at 23:34:24 / 11:34 pm (local time epicenter). The earthquake occurred at a depth of 39.465 km (25 miles). Event id: us6000qz6u. Ids that are associated to the earthquake: us6000qz6u.

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been twenty-two, in the last 10 days twenty-five, in the past 30 days twenty-five and in the last 365 days twenty-five earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: Macquarie Island region. This information comes from the USGS Earthquake Notification Service.

Macquarie Island region

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Parameter	Value	Description
Magnitude	4.3 mb	The magnitude for the event.
Longitude	158.7287° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-57.5785° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	39.465 km	Depth of the event in kilometers.
Place	Macquarie Island region	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-07-28 23:34:24	Time when the event occurred. UTC/GMT
Updated	2025-08-11 22:17:53	Time when the event was most recently updated. UTC/GMT
Timezone offset		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	284	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	14	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	3.09	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.55 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	145	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	us6000qz6u	Id of event.
Event Code	6000qz6u	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000qz6u,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4.3 mag, Macquarie Island region

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