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.

-26.0-21.0-16.0-11.0-6.0-1.04.09.014.0east (mm)01-Jul-1601-Oct-1601-Jan-1701-Apr-17CNST (Carnagh Station) -4.01.06.011.016.0east (mm)01-Jul-1601-Oct-1601-Jan-1701-Apr-17GISB (Gisborne) -12.0-10.0-8.0-6.0-4.0-2.00.02.04.06.0east (mm)01-Jul-1601-Oct-1601-Jan-1701-Apr-17KOKO (Kokohu) -29.0-24.0-19.0-14.0-9.0-4.01.06.011.0east (mm)01-Jul-1601-Oct-1601-Jan-1701-Apr-17MAHI (Mahia Peninsula) -28.0-23.0-18.0-13.0-8.0east (mm)01-Jul-1601-Oct-1601-Jan-1701-Apr-17CKID (Cape Kidnappers) -68.0-63.0-58.0-53.0-48.0-43.0-38.0-33.0-28.0-23.0east (mm)01-Jul-1601-Oct-1601-Jan-1701-Apr-17PAWA (Pawanui) -89.0-84.0-79.0-74.0-69.0-64.0-59.0-54.0-49.0-44.0east (mm)01-Jul-1601-Oct-1601-Jan-1701-Apr-17PORA (Porangahau)
Map of New Zealand.CNSTGISBKOKOMAHICKIDPAWAPORA