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.

-10.00.010.0east (mm)01-Sep-1801-Dec-1801-Mar-1901-Jun-19CNST (Carnagh Station) 0.010.020.0east (mm)01-Sep-1801-Dec-1801-Mar-1901-Jun-19GISB (Gisborne) -20.0-10.00.010.0east (mm)01-Sep-1801-Dec-1801-Mar-1901-Jun-19KOKO (Kokohu) -30.0-20.0-10.00.010.0east (mm)01-Sep-1801-Dec-1801-Mar-1901-Jun-19MAHI (Mahia Peninsula) -40.0-30.0-20.0east (mm)01-Sep-1801-Dec-1801-Mar-1901-Jun-19CKID (Cape Kidnappers) -60.0-55.0-50.0east (mm)01-Sep-1801-Dec-1801-Mar-1901-Jun-19PAWA (Pawanui) -90.0-80.0-70.0east (mm)01-Sep-1801-Dec-1801-Mar-1901-Jun-19PORA (Porangahau)
Map of New Zealand.CNSTGISBKOKOMAHICKIDPAWAPORA