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.

-20.0-10.00.0east (mm)01-Jun-2101-Sep-2101-Dec-2101-Mar-22CNST (Carnagh Station) 0.05.010.015.0east (mm)01-Jun-2101-Sep-2101-Dec-2101-Mar-22GISB (Gisborne) -20.0-15.0-10.0east (mm)01-Jun-2101-Sep-2101-Dec-2101-Mar-22KOKO (Kokohu) -40.0-30.0-20.0east (mm)01-Jun-2101-Sep-2101-Dec-2101-Mar-22MAHI (Mahia Peninsula) -50.0-40.0-30.0east (mm)01-Jun-2101-Sep-2101-Dec-2101-Mar-22CKID (Cape Kidnappers) -80.0-70.0east (mm)01-Jun-2101-Sep-2101-Dec-2101-Mar-22PAWA (Pawanui) -120.0-110.0-100.0east (mm)01-Jun-2101-Sep-2101-Dec-2101-Mar-22PORA (Porangahau)
Map of New Zealand.CNSTGISBKOKOMAHICKIDPAWAPORA