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-Dec-2301-Mar-2401-Jun-2401-Sep-24CNST (Carnagh Station) -15.0-10.0-5.00.0east (mm)01-Dec-2301-Mar-2401-Jun-2401-Sep-24GISB (Gisborne) -20.0-15.0-10.0-5.0east (mm)01-Dec-2301-Mar-2401-Jun-2401-Sep-24KOKO (Kokohu) -30.0-20.0-10.0east (mm)01-Dec-2301-Mar-2401-Jun-2401-Sep-24MAHI (Mahia Peninsula) -50.0-40.0east (mm)01-Dec-2301-Mar-2401-Jun-2401-Sep-24CKID (Cape Kidnappers) -110.0-100.0-90.0east (mm)01-Dec-2301-Mar-2401-Jun-2401-Sep-24PAWA (Pawanui) -140.0-130.0-120.0-110.0east (mm)01-Dec-2301-Mar-2401-Jun-2401-Sep-24PORA (Porangahau)
Map of New Zealand. CNSTGISBKOKOMAHICKIDPAWAPORA