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Gwangju, South Korea

35.1547, 126.9156  ·  updated 12 Sep 2026, 06:06 UTC  ·  composite signal 7.7/100
7.7Composite /100
LOWTsunami Risk
80Air Quality
203kmNearest Volcano
0Wildfire Hotspots
6.35UV Index
0.0Kp Index
0Quakes 7d
Seismic activity map for Gwangju, South Korea

7-day weather outlook — conditions across the region

7-day weather forecast map for Gwangju, South Korea

7-day forecast — temperature, precipitation & wind

7-day wind & rain chance

Global baseline

Signal — Current Conditions

27.5°C

Partly cloudy · feels 30.1°C · humidity 59%

Signal — Wind

4.4 km/h

Gusts to 25.2 km/h · direction 261°

Signal — Pressure & Sun

1019 hPa

Sunrise 06:12 · Sunset 18:44

Signal — Sky & Visibility

38% cloud

Visibility 30.3 km · dew point 18.8°C

Signal — Earthquake

3.4 / 100

19 events considered (30yr, 300km radius)

Nearest M5.5+: 7 km SW of Heunghae, South Korea (236.9 km, M5.5)

Signal — Flood / Terrain

12 / 100

Elevation 47 m · slope 2.3°

Signal — Economic Impact

$58 / yr expected

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

Signal — Wildfire (24h)

0 hotspots

None detected within ~55km

Signal — Air Quality

80 AQI

Dominant pollutant: o3 · Seoseok-dong, Dong-gu, Gwangju, South Korea (서석동 광주)

Signal — UV Index

6.35 (High)

Today's peak UV, Open-Meteo

Signal — Tsunami Risk

LOW

Based on largest nearby earthquake magnitude (30yr history)

Signal — Nearest Volcano

203 km

Halla (Shield) · last erupted 1007

2,653 people live within 10km of Halla · 543,082 within 100km
Tectonic setting: Intraplate / Continental crust (> 25 km)

The massive Halla shield volcano forms much of the 40 x 80 km Cheju (Jeju) Island, which lies 90 km S of the Korean Peninsula. Eruptions during the Pliocene and Pleistocene built a lava plateau above the roughly 100-m-deep continental shelf on which the basaltic-to-trachytic edifice was constructed. A 400-m-wide crater truncates the summit. About 360 late-Pleistocene and Holocene basaltic cones ac…

Full Smithsonian GVP profile →

Nearest other major location: Daejeon, South Korea (139 km)

Next 24 hours — hourly detail

Next 24 hours — pressure & humidity

Seismic activity analysis (30-day, 500km)

30-Day Event Count

1

0.03/day · Below normal activity (z=-4.01)

Last 7 Days

0 events

0% of this month's activity happened this week

Largest Event

M4

Avg M4.0 · min M4 · σ 0

Energy Released

15 t TNT

Cumulative seismic energy, 30 days (Gutenberg-Richter)

Depth Profile

10.0 km avg

0.0% shallow (<10km) · range 10–10 km

Underwriting Signal

30.7/100

Recommended tier: Basic

95% Confidence Range

-1.0–3.0

Statistically expected event count for this window

Projected: 12.2 events/yr · 0.0% 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)
M5.5 — 7 km SW of Heunghae, South Korea 237 km, 10 km deep
M5.4 — 6km S of Gyeongju, South Korea 220 km, 13 km deep
M5 — 136 km SW of Ongjin, North Korea 297 km, 17.9 km deep
M4.9 — 14km SW of Gyeongju, South Korea 209 km, 10 km deep
M4.8 — 156 km WNW of Sinan, South Korea 224 km, 10 km deep
M4.8 — 157 km W of Sinan, South Korea 228 km, 10 km deep

USGS FDSN

Space weather (planetary signal)

Signal — Solar Wind

428 km/s (Slightly elevated)

Magnetic field: 5.6 nT (Unsettled)

Signal — Geomagnetic (Kp)

0.0 / 9

Quiet — planetary K-index

Signal — Solar Flare

B4.9

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 South Korea. Global baseline data above still reflects real, live USGS and elevation data for this exact coordinate.

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