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.

-10.0-5.00.05.010.0east (mm)01-Dec-1701-Mar-1801-Jun-1801-Sep-18CNST (Carnagh Station) 0.05.010.015.0east (mm)01-Dec-1701-Mar-1801-Jun-1801-Sep-18GISB (Gisborne) -10.0-5.0east (mm)01-Dec-1701-Mar-1801-Jun-1801-Sep-18KOKO (Kokohu) -20.0-10.0east (mm)01-Dec-1701-Mar-1801-Jun-1801-Sep-18MAHI (Mahia Peninsula) -30.0-20.0east (mm)01-Dec-1701-Mar-1801-Jun-1801-Sep-18CKID (Cape Kidnappers) -60.0-50.0-40.0east (mm)01-Dec-1701-Mar-1801-Jun-1801-Sep-18PAWA (Pawanui) -80.0-70.0east (mm)01-Dec-1701-Mar-1801-Jun-1801-Sep-18PORA (Porangahau)
Map of New Zealand.CNSTGISBKOKOMAHICKIDPAWAPORA