Slow Slip Watch

Keep an eye out for slow-slip events or "silent" earthquakes showing up on our GNSS instruments.


Hikurangi Margin slow slip events occur every 1-2 years at a shallow depth (<10km), and last for 2-6 weeks.

-25.0-20.0-15.0-10.0-5.0east (mm)01-Jun-2201-Sep-2201-Dec-2201-Mar-23CNST (Carnagh Station) -5.00.05.0east (mm)01-Jun-2201-Sep-2201-Dec-2201-Mar-23GISB (Gisborne) -20.0-15.0-10.0-5.0east (mm)01-Jun-2201-Sep-2201-Dec-2201-Mar-23KOKO (Kokohu) -40.0-30.0-20.0east (mm)01-Jun-2201-Sep-2201-Dec-2201-Mar-23MAHI (Mahia Peninsula) -50.0-45.0-40.0-35.0east (mm)01-Jun-2201-Sep-2201-Dec-2201-Mar-23CKID (Cape Kidnappers) -90.0-85.0-80.0-75.0east (mm)01-Jun-2201-Sep-2201-Dec-2201-Mar-23PAWA (Pawanui) -130.0-120.0-110.0east (mm)01-Jun-2201-Sep-2201-Dec-2201-Mar-23PORA (Porangahau)
Map of New Zealand.CNSTGISBKOKOMAHICKIDPAWAPORA