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-Nov-2001-Feb-2101-May-2101-Aug-21CNST (Carnagh Station) 0.010.0east (mm)01-Nov-2001-Feb-2101-May-2101-Aug-21GISB (Gisborne) -15.0-10.0-5.0east (mm)01-Nov-2001-Feb-2101-May-2101-Aug-21KOKO (Kokohu) -30.0-20.0-10.0east (mm)01-Nov-2001-Feb-2101-May-2101-Aug-21MAHI (Mahia Peninsula) -45.0-40.0-35.0-30.0east (mm)01-Nov-2001-Feb-2101-May-2101-Aug-21CKID (Cape Kidnappers) -80.0-70.0east (mm)01-Nov-2001-Feb-2101-May-2101-Aug-21PAWA (Pawanui) -110.0-100.0east (mm)01-Nov-2001-Feb-2101-May-2101-Aug-21PORA (Porangahau)
Map of New Zealand.CNSTGISBKOKOMAHICKIDPAWAPORA