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-May-2001-Aug-2001-Nov-2001-Feb-21CNST (Carnagh Station) 0.010.0east (mm)01-May-2001-Aug-2001-Nov-2001-Feb-21GISB (Gisborne) -10.00.0east (mm)01-May-2001-Aug-2001-Nov-2001-Feb-21KOKO (Kokohu) -20.0-10.0east (mm)01-May-2001-Aug-2001-Nov-2001-Feb-21MAHI (Mahia Peninsula) -45.0-40.0-35.0-30.0east (mm)01-May-2001-Aug-2001-Nov-2001-Feb-21CKID (Cape Kidnappers) -90.0-80.0-70.0east (mm)01-May-2001-Aug-2001-Nov-2001-Feb-21PAWA (Pawanui) -120.0-110.0-100.0-90.0east (mm)01-May-2001-Aug-2001-Nov-2001-Feb-21PORA (Porangahau)
Map of New Zealand.CNSTGISBKOKOMAHICKIDPAWAPORA