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.

0.010.0east (mm)01-Jun-1701-Sep-1701-Dec-1701-Mar-18CNST (Carnagh Station) 0.05.010.015.0east (mm)01-Jun-1701-Sep-1701-Dec-1701-Mar-18GISB (Gisborne) -10.00.0east (mm)01-Jun-1701-Sep-1701-Dec-1701-Mar-18KOKO (Kokohu) -20.0-10.00.0east (mm)01-Jun-1701-Sep-1701-Dec-1701-Mar-18MAHI (Mahia Peninsula) -30.0-25.0-20.0east (mm)01-Jun-1701-Sep-1701-Dec-1701-Mar-18CKID (Cape Kidnappers) -50.0-40.0-30.0east (mm)01-Jun-1701-Sep-1701-Dec-1701-Mar-18PAWA (Pawanui) -70.0-60.0east (mm)01-Jun-1701-Sep-1701-Dec-1701-Mar-18PORA (Porangahau)
Map of New Zealand.CNSTGISBKOKOMAHICKIDPAWAPORA