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.

-30.0-20.0east (mm)01-Oct-2301-Jan-2401-Apr-2401-Jul-24CNST (Carnagh Station) -15.0-10.0-5.00.0east (mm)01-Oct-2301-Jan-2401-Apr-2401-Jul-24GISB (Gisborne) -15.0-10.0-5.0east (mm)01-Oct-2301-Jan-2401-Apr-2401-Jul-24KOKO (Kokohu) -30.0-20.0-10.0east (mm)01-Oct-2301-Jan-2401-Apr-2401-Jul-24MAHI (Mahia Peninsula) -55.0-50.0-45.0-40.0east (mm)01-Oct-2301-Jan-2401-Apr-2401-Jul-24CKID (Cape Kidnappers) -110.0-100.0-90.0east (mm)01-Oct-2301-Jan-2401-Apr-2401-Jul-24PAWA (Pawanui) -130.0-120.0-110.0east (mm)01-Oct-2301-Jan-2401-Apr-2401-Jul-24PORA (Porangahau)
Map of New Zealand. CNSTGISBKOKOMAHICKIDPAWAPORA