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-Dec-2001-Mar-2101-Jun-2101-Sep-21CNST (Carnagh Station) 0.05.010.015.0east (mm)01-Dec-2001-Mar-2101-Jun-2101-Sep-21GISB (Gisborne) -15.0-10.0-5.0east (mm)01-Dec-2001-Mar-2101-Jun-2101-Sep-21KOKO (Kokohu) -30.0-20.0-10.0east (mm)01-Dec-2001-Mar-2101-Jun-2101-Sep-21MAHI (Mahia Peninsula) -45.0-40.0-35.0east (mm)01-Dec-2001-Mar-2101-Jun-2101-Sep-21CKID (Cape Kidnappers) -80.0-70.0east (mm)01-Dec-2001-Mar-2101-Jun-2101-Sep-21PAWA (Pawanui) -110.0-100.0east (mm)01-Dec-2001-Mar-2101-Jun-2101-Sep-21PORA (Porangahau)
Map of New Zealand.CNSTGISBKOKOMAHICKIDPAWAPORA