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Christchurch, New Zealand

-43.5333, 172.6333  ·  updated 10 Sep 2026, 06:51 UTC  ·  composite signal 55.8/100
55.8Composite /100
HIGHTsunami Risk
12Air Quality
0Wildfire Hotspots
3.7UV Index
1.0Kp Index
2Quakes 7d
Seismic activity map for Christchurch, New Zealand

7-day weather outlook — conditions across the region

7-day weather forecast map for Christchurch, New Zealand

7-day forecast — temperature, precipitation & wind

7-day wind & rain chance

Global baseline

Signal — Current Conditions

6.1°C

Clear sky · feels 3.6°C · humidity 81%

Signal — Wind

6.2 km/h

Gusts to 17.3 km/h · direction 224°

Signal — Pressure & Sun

1010 hPa

Sunrise 06:41 · Sunset 18:12

Signal — Sky & Visibility

2% cloud

Visibility 43.1 km · dew point 3.2°C

Signal — Earthquake

99.5 / 100

1398 events considered (30yr, 300km radius)

Nearest M5.5+: 6 km SSE of Christchurch, New Zealand (6.4 km, M5.5)

Signal — Flood / Terrain

12 / 100

Elevation 20 m · slope 1.5°

Signal — Economic Impact

$1,400 / yr expected

Based on country average estimate property value ($194,400)

Signal — Wildfire (24h)

0 hotspots

None detected within ~55km

Signal — Air Quality

12 AQI

Dominant pollutant: pm25 · Woolston, New Zealand

Signal — UV Index

3.7 (Moderate)

Today's peak UV, Open-Meteo

Signal — Tsunami Risk

HIGH

Based on largest nearby earthquake magnitude (30yr history)

Nearest other major location: Nelson, New Zealand (254 km)

Next 24 hours — hourly detail

Next 24 hours — pressure & humidity

Seismic activity analysis (30-day, 500km)

30-Day Event Count

5

0.17/day · Below normal activity (z=-3.06)

Last 7 Days

2 events

40% of this month's activity happened this week

Largest Event

M5.3

Avg M4.66 · min M3.9 · σ 0.59

Energy Released

2,468 t TNT

Cumulative seismic energy, 30 days (Gutenberg-Richter)

Depth Profile

18.1 km avg

0.0% shallow (<10km) · range 10–50.6 km

Underwriting Signal

43.1/100

Recommended tier: Basic

95% Confidence Range

0.6–9.4

Statistically expected event count for this window

Projected: 60.8 events/yr · 0.1% chance of M5+ within 1 year · 0.0% chance of M6+ within 5 years · 0.0% chance of M7+ within 10 years

Same statistical model as your Risk Evidence Report (USGS FDSN, 30-day/500km window)

Recent significant earthquakes (30yr, 300km)
M7.8 — 53 km NNE of Amberley, New Zealand 95 km, 15.1 km deep
M7 — 19 km NE of Methven, New Zealand 65 km, 12 km deep
M6.5 — 74 km NE of Amberley, New Zealand 115 km, 9 km deep
M6.5 — 92 km SSW of Blenheim, New Zealand 159 km, 10 km deep
M6.5 — 29 km SE of Blenheim, New Zealand 236 km, 8.2 km deep
M6.5 — 38 km ESE of Blenheim, New Zealand 247 km, 17 km deep

USGS FDSN

Space weather (planetary signal)

Signal — Solar Wind

455 km/s (Slightly elevated)

Magnetic field: 4.5 nT (Quiet)

Signal — Geomagnetic (Kp)

1.0 / 9

Quiet — planetary K-index

Signal — Solar Flare

B3.5

Current GOES X-ray flux class

Solar wind speed and magnetic field strength indicate current space weather activity. Elevated or storm-level readings can disrupt satellites, GPS accuracy, and power grids. This is a planetary-scale signal, not specific to this location — typical quiet conditions run under 400 km/s wind speed and under 5 nT magnetic field.

Source: NOAA SWPC (planetary signal, same for every location)

Sources: USGS (earthquakes), Open-Elevation (terrain), Open-Meteo (weather). Illustrative estimate, not a certified engineering or actuarial assessment.

No country-specific deep dive built yet for New Zealand. Global baseline data above still reflects real, live USGS and elevation data for this exact coordinate.

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