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.

-25.0-20.0-15.0-10.0-5.0east (mm)01-Jan-2301-Apr-2301-Jul-2301-Oct-23CNST (Carnagh Station) -5.00.05.010.0east (mm)01-Jan-2301-Apr-2301-Jul-2301-Oct-23GISB (Gisborne) -10.00.0east (mm)01-Jan-2301-Apr-2301-Jul-2301-Oct-23KOKO (Kokohu) -30.0-20.0-10.00.0east (mm)01-Jan-2301-Apr-2301-Jul-2301-Oct-23MAHI (Mahia Peninsula) -45.0-40.0-35.0-30.0east (mm)01-Jan-2301-Apr-2301-Jul-2301-Oct-23CKID (Cape Kidnappers) -90.0-80.0-70.0east (mm)01-Jan-2301-Apr-2301-Jul-2301-Oct-23PAWA (Pawanui) -120.0-110.0east (mm)01-Jan-2301-Apr-2301-Jul-2301-Oct-23PORA (Porangahau)
Map of New Zealand.CNSTGISBKOKOMAHICKIDPAWAPORA