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-Jun-2301-Sep-2301-Dec-2301-Mar-24CNST (Carnagh Station) -10.0-5.00.05.0east (mm)01-Jun-2301-Sep-2301-Dec-2301-Mar-24GISB (Gisborne) -15.0-10.0-5.00.0east (mm)01-Jun-2301-Sep-2301-Dec-2301-Mar-24KOKO (Kokohu) -30.0-20.0-10.0east (mm)01-Jun-2301-Sep-2301-Dec-2301-Mar-24MAHI (Mahia Peninsula) -50.0-45.0-40.0-35.0east (mm)01-Jun-2301-Sep-2301-Dec-2301-Mar-24CKID (Cape Kidnappers) -90.0-80.0east (mm)01-Jun-2301-Sep-2301-Dec-2301-Mar-24PAWA (Pawanui) -130.0-125.0-120.0-115.0-110.0east (mm)01-Jun-2301-Sep-2301-Dec-2301-Mar-24PORA (Porangahau)
Map of New Zealand. CNSTGISBKOKOMAHICKIDPAWAPORA