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.

-20.0-10.00.010.0east (mm)01-Sep-1901-Dec-1901-Mar-2001-Jun-20CNST (Carnagh Station) -10.00.010.020.0east (mm)01-Sep-1901-Dec-1901-Mar-2001-Jun-20GISB (Gisborne) -30.0-20.0-10.00.0east (mm)01-Sep-1901-Dec-1901-Mar-2001-Jun-20KOKO (Kokohu) -40.0-20.00.0east (mm)01-Sep-1901-Dec-1901-Mar-2001-Jun-20MAHI (Mahia Peninsula) -60.0-40.0east (mm)01-Sep-1901-Dec-1901-Mar-2001-Jun-20CKID (Cape Kidnappers) -70.0-60.0east (mm)01-Sep-1901-Dec-1901-Mar-2001-Jun-20PAWA (Pawanui) -100.0-90.0east (mm)01-Sep-1901-Dec-1901-Mar-2001-Jun-20PORA (Porangahau)
Map of New Zealand.CNSTGISBKOKOMAHICKIDPAWAPORA