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.

-20.0-15.0-10.0-5.0east (mm)01-Oct-2501-Jan-2601-Apr-2601-Jul-26CNST (Carnagh Station) 0.05.010.015.0east (mm)01-Oct-2501-Jan-2601-Apr-2601-Jul-26GISB (Gisborne) -10.00.0east (mm)01-Oct-2501-Jan-2601-Apr-2601-Jul-26KOKO (Kokohu) -30.0-20.0-10.0east (mm)01-Oct-2501-Jan-2601-Apr-2601-Jul-26MAHI (Mahia Peninsula) -60.0-50.0-40.0east (mm)01-Oct-2501-Jan-2601-Apr-2601-Jul-26CKID (Cape Kidnappers) -120.0-110.0-100.0east (mm)01-Oct-2501-Jan-2601-Apr-2601-Jul-26PAWA (Pawanui) -160.0-150.0-140.0-130.0east (mm)01-Oct-2501-Jan-2601-Apr-2601-Jul-26PORA (Porangahau)
Map of New Zealand. CNSTGISBKOKOMAHICKIDPAWAPORA