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.

0.05.010.0east (mm)01-Jan-1701-Apr-1701-Jul-1701-Oct-17CNST (Carnagh Station) 5.010.015.0east (mm)01-Jan-1701-Apr-1701-Jul-1701-Oct-17GISB (Gisborne) -5.00.05.0east (mm)01-Jan-1701-Apr-1701-Jul-1701-Oct-17KOKO (Kokohu) -10.00.0east (mm)01-Jan-1701-Apr-1701-Jul-1701-Oct-17MAHI (Mahia Peninsula) -25.0-20.0-15.0-10.0east (mm)01-Jan-1701-Apr-1701-Jul-1701-Oct-17CKID (Cape Kidnappers) -40.0-30.0east (mm)01-Jan-1701-Apr-1701-Jul-1701-Oct-17PAWA (Pawanui) -70.0-60.0-50.0east (mm)01-Jan-1701-Apr-1701-Jul-1701-Oct-17PORA (Porangahau)
Map of New Zealand.CNSTGISBKOKOMAHICKIDPAWAPORA