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.

-5.00.05.010.0east (mm)01-Mar-1701-Jun-1701-Sep-1701-Dec-17CNST (Carnagh Station) 5.010.015.0east (mm)01-Mar-1701-Jun-1701-Sep-1701-Dec-17GISB (Gisborne) -10.0-5.00.05.0east (mm)01-Mar-1701-Jun-1701-Sep-1701-Dec-17KOKO (Kokohu) -20.0-10.00.0east (mm)01-Mar-1701-Jun-1701-Sep-1701-Dec-17MAHI (Mahia Peninsula) -25.0-20.0-15.0-10.0east (mm)01-Mar-1701-Jun-1701-Sep-1701-Dec-17CKID (Cape Kidnappers) -50.0-40.0-30.0east (mm)01-Mar-1701-Jun-1701-Sep-1701-Dec-17PAWA (Pawanui) -70.0-60.0-50.0east (mm)01-Mar-1701-Jun-1701-Sep-1701-Dec-17PORA (Porangahau)
Map of New Zealand.CNSTGISBKOKOMAHICKIDPAWAPORA