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.

-20.0-10.0east (mm)01-Apr-2301-Jul-2301-Oct-2301-Jan-24CNST (Carnagh Station) -10.00.010.0east (mm)01-Apr-2301-Jul-2301-Oct-2301-Jan-24GISB (Gisborne) -10.00.0east (mm)01-Apr-2301-Jul-2301-Oct-2301-Jan-24KOKO (Kokohu) -30.0-20.0-10.00.0east (mm)01-Apr-2301-Jul-2301-Oct-2301-Jan-24MAHI (Mahia Peninsula) -50.0-40.0-30.0east (mm)01-Apr-2301-Jul-2301-Oct-2301-Jan-24CKID (Cape Kidnappers) -100.0-90.0-80.0-70.0east (mm)01-Apr-2301-Jul-2301-Oct-2301-Jan-24PAWA (Pawanui) -130.0-120.0-110.0east (mm)01-Apr-2301-Jul-2301-Oct-2301-Jan-24PORA (Porangahau)
Map of New Zealand. CNSTGISBKOKOMAHICKIDPAWAPORA