Moderate earthquake 5.1 mag, Macquarie Island region

A moderate earthquake with magnitude 5.1 (ml/mb) was detected on Monday, Macquarie Island region (0 miles). The temblor was picked up at 22:59:02 / 10:59 pm (local time epicenter). The earthquake was roughly at a depth of 30.901 km (19 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us6000qvuf. Ids that are associated to the earthquake: us6000qvuf. Global time and date of event 28/07/25 / 2025-07-28 22:59:02 / July 28, 2025 @ 10:59 pm UTC/GMT. Exact location, longitude 157.8626° East, latitude -57.8367° South, depth = 30.901 km.

There are an estimated 1320 moderate earthquakes in the world each year. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. In the past 24 hours, there have been five, in the last 10 days eight, in the past 30 days eight and in the last 365 days nine earthquakes of magnitude 3.0 or greater that has occurred nearby.

Questions or comments?

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: Macquarie Island region.

Macquarie Island region

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Parameter	Value	Description
Magnitude	5.1 mb	The magnitude for the event.
Longitude	157.8626° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-57.8367° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	30.901 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 22:59:02	Time when the event occurred. UTC/GMT
Updated	2025-07-28 23:19:26	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	400	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	25	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	3.401	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.74 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	104	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	us6000qvuf	Id of event.
Event Code	6000qvuf	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000qvuf,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake 5.1 mag, Macquarie Island region

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