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Mag. 1.8 quake - Tasman Sea, 41 km southeast of Wellington, Wellington, New Zealand, on Tuesday, Nov 28, 2023, at 01:25 pm (Auckland time) -

A light magnitude 1.8 earthquake occurred under the sea near the coast of  New Zealand around noon of Tuesday, Nov 28, 2023 at 1.25 pm local time (Pacific/Auckland GMT +13). The quake had a very shallow depth of 11.8 km (7 mi) and was too small to be felt by people.

Mag. 1.8 quake - Tasman Sea, 41 km southeast of Wellington, Wellington, New Zealand, on Tuesday, Nov 28, 2023, at 01:25 pm (Auckland time) Mag. 1.8 quake - Tasman Sea, 41 km southeast of Wellington, Wellington, New Zealand, on Tuesday, Nov 28, 2023, at 01:25 pm (Auckland time)

Minor magnitude 1.8 earthquake at 12 km depth

28 Nov 00:27 UTC: First to report: GEONET (NZ) after 1 minute.
28 Nov 00:29: Magnitude recalculated from 1.5 to 1.8. Hypocenter depth recalculated from 14.8 to 11.5 km (from 9.2 to 7.1 mi). Epicenter location corrected by 1.5 km (0.9 mi) towards WSW.
28 Nov 00:59: Hypocenter depth recalculated from 11.5 to 11.8 km (from 7.1 to 7.3 mi). Epicenter location corrected by 1 km (0.6 mi) towards NNE.

Earthquake details

Date & timeNov 28, 2023 00:25:45 UTC -
Local time at epicenterTuesday, Nov 28, 2023, at 01:25 pm (Pacific/Auckland GMT +13)
StatusPreliminary (automatic detection)
Magnitude1.8
Depth11.8 km
Epicenter latitude / longitude41.5552°S / 175.1169°E New Zealand
Seismic antipode41.5552°N / 4.883°W
Shaking intensityNot felt
Primary data sourceGEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand)
Weather at epicenter at time of quakeBroken Clouds 17°C (63 F), humidity: 88%, wind: 13 m/s (26 kts) from NW
Estimated seismic energy released3.2 x 107 joules (8.78 kilowatt hours) | about seismic energy
Interactive map
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Nearby places

The closest larger town near the epicenter is Eastbourne, a town with 2,800 inhabitants in New Zealand, in 34 km (21 mi) distance to the northwest, but it is unlikely that the quake was felt there.
Distance Place Max. shaking intensity(*) Region Country
34 km (21 mi)
NW of epicenter
Eastbourne
(pop: 2,810)
: Not felt
Lower Hutt City, Wellington
35 km (22 mi)
NW of epicenter
Wainuiomata
(pop: 19,400)
: Not felt
Lower Hutt City, Wellington
37 km (23 mi)
NE of epicenter
Waipawa
(pop: 1,900)
: Not felt
South Wairarapa District, Wellington
41 km (26 mi)
NW of epicenter
Lower Hutt
(pop: 101,200)
: Not felt
Wellington
41 km (26 mi)
NW of epicenter
Wellington
(pop: 381,900)
: Not felt
Wellington
44 km (27 mi)
NW of epicenter
Karori
(pop: 15,400)
: Not felt
Wellington City, Wellington
47 km (29 mi)
N of epicenter
Upper Hutt
(pop: 38,400)
: Not felt
Wellington
52 km (32 mi)
NW of epicenter
Porirua
(pop: 50,900)
: Not felt
Wellington
61 km (38 mi)
N of epicenter
Pukerua Bay
(pop: 2,120)
: Not felt
Porirua City, Wellington
69 km (43 mi)
NE of epicenter
Gladstone
(pop: 940)
: Not felt
Carterton District, Wellington
69 km (43 mi)
NE of epicenter
Carterton
(pop: 10,300)
: Not felt
Wellington
72 km (44 mi)
N of epicenter
Paraparaumu
(pop: 30,600)
: Not felt
Kapiti Coast District, Wellington
75 km (47 mi)
N of epicenter
Waikanae
(pop: 13,900)
: Not felt
Kapiti Coast District, Wellington
80 km (50 mi)
NE of epicenter
Masterton
(pop: 28,200)
: Not felt
Wellington
87 km (54 mi)
W of epicenter
Seddon
(pop: 511)
: Not felt
Marlborough District, Marlborough
89 km (55 mi)
N of epicenter
Otaki
(pop: 6,090)
: Not felt
Kapiti Coast District, Wellington
93 km (58 mi)
NE of epicenter
Kopuaranga
(pop: 1,020)
: Not felt
Masterton, Wellington
97 km (60 mi)
W of epicenter
Blenheim
(pop: 26,600)
: Not felt
Marlborough District, Marlborough
97 km (60 mi)
W of epicenter
Picton
(pop: 4,800)
: Not felt
Marlborough District, Marlborough
103 km (64 mi)
N of epicenter
Levin
(pop: 19,800)
: Not felt
Horowhenua District, Manawatu-Wanganui
107 km (67 mi)
W of epicenter
Renwick
(pop: 2,620)
: Not felt
Marlborough District, Marlborough
117 km (72 mi)
W of epicenter
Havelock
(pop: 504)
: Not felt
Marlborough District, Marlborough
117 km (73 mi)
NE of epicenter
Castlepoint
(pop: 1,690)
: Not felt
Masterton, Wellington
121 km (75 mi)
N of epicenter
Foxton
(pop: 4,780)
: Not felt
Horowhenua District, Manawatu-Wanganui
125 km (78 mi)
N of epicenter
Tokomaru
(pop: 563)
: Not felt
Horowhenua District, Manawatu-Wanganui
132 km (82 mi)
W of epicenter
Wairau Valley
(pop: 2,150)
: Not felt
Marlborough District, Marlborough
137 km (85 mi)
NE of epicenter
Pahiatua
(pop: 2,810)
: Not felt
Manawatu-Wanganui
140 km (87 mi)
N of epicenter
Palmerston North
(pop: 76,000)
: Not felt
Manawatu-Wanganui
140 km (87 mi)
N of epicenter
Tangimoana
(pop: 303)
: Not felt
Manawatu District, Manawatu-Wanganui
143 km (89 mi)
N of epicenter
Rongotea
(pop: 642)
: Not felt
Manawatu District, Manawatu-Wanganui
144 km (90 mi)
NE of epicenter
Pongaroa
(pop: 81)
: Not felt
Manawatu-Wanganui
150 km (93 mi)
N of epicenter
Ashhurst
(pop: 3,230)
: Not felt
Palmerston North City, Manawatu-Wanganui
152 km (95 mi)
SW of epicenter
Kaikoura
(pop: 685)
: Not felt
Canterbury
154 km (96 mi)
W of epicenter
Atawhai
(pop: 2,930)
: Not felt
Nelson City, Nelson
188 km (117 mi)
NE of epicenter
Porangahau
(pop: 141)
: Not felt
Central Hawke's Bay District, Hawke's Bay
Notes:
(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.

User-reports for this quake

There are no user reports for this quake yet.
At magnitude 1.8, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.
If you felt it, be the first to report it!
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

Compare Quake Data

Data for the same earthquake as reported by different agencies

The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag Depth Time GMT
2023-11-28
Epicenter Agency
1.8 12 km
7.3 mi
00:25:45 New Zealand GEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand)

Seismograms

Seismic station: South Karori, New Zealand (SNZO/IU network) | Distance from quake: 44 km / 27 mi | Show on map | Station Info
Seismic station South Karori, New Zealand: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
Show more

Earthquake statistics

Average number of earthquakes

Based on data from the past 10 years and our earthquake archive back to 1900, there are about 26,000 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):
  • Mag. 7 or higher: 0.01 quakes per year (or 1 quake every 100 years)
  • Mag. 6 or higher: 0.08 quakes per year (or 1 quake every 12.5 years)
  • Mag. 5 or higher: 1.38 quakes per year
  • Mag. 4 or higher: 30.4 quakes per year
  • Mag. 3 or higher: 195 quakes per year (or 16.3 quakes per month)
  • Mag. 2 or higher: 1,300 quakes per year (or 3.4 quakes per day)
  • Mag. 1 or higher: 2,500 quakes per year (or 7 quakes per day)
The area where this quake occurred has a high level of seismic activity. It has had at least 10 quakes above magnitude 6 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 10 to 15 years.

Number of quakes per year

Previous quakes in the same area of this earthquake

Map of earlier quakes in the area of this quake

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Map to embed or share

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