Yokohama, Japan
7-day weather outlook β conditions across the region
7-day forecast β temperature, precipitation & wind
7-day wind & rain chance
Signal β Current Conditions
23.8Β°C
Overcast · feels 26.4Β°C · humidity 77%
Signal β Wind
6.8 km/h
Gusts to 26.6 km/h · direction 32Β°
Signal β Pressure & Sun
1012 hPa
Sunrise 05:16 · Sunset 18:04
Signal β Sky & Visibility
91% cloud
Visibility 31.8 km · dew point 19.5Β°C
Signal β Earthquake
98.4 / 100
2000 events considered (30yr, 300km radius)
Nearest M5.5+: 5 km SW of Chiba, Japan (41.1 km, M5.9)
Signal β Flood / Terrain
30 / 100
Elevation 11 m · slope 2.3Β°
Signal β Economic Impact
$1,516 / yr expected
Based on country average estimate property value ($194,400)
Signal β Wildfire (24h)
0 hotspots
None detected within ~55km
Signal β Air Quality
30 AQI
Dominant pollutant: o3 Β· Yokohama (ζ¨ͺζ΅)
Signal β UV Index
1.3 (Low)
Today's peak UV, Open-Meteo
Signal β Tsunami Risk
MODERATE
Based on largest nearby earthquake magnitude (30yr history)
Signal β Nearest Volcano
61 km
Hakoneyama (Complex) Β· last erupted 2015
Tectonic setting: Subduction zone / Continental crust (> 25 km)
Hakoneyama volcano is truncated by two overlapping calderas, the largest of which is 10 x 11 km wide. The calderas were formed as a result of two major explosive eruptions about 180,000 and 49,000-60,000 years ago. Scenic Lake Ashi lies between the SW caldera wall and a half dozen post-caldera lava domes that were constructed along a NW-SE trend cutting through the center of the calderas. Dome groβ¦
Nearest other major location: Tokyo, Japan (29 km)
Next 24 hours β hourly detail
Next 24 hours β pressure & humidity
30-Day Event Count
19
0.63/day Β· Normal activity (z=0.24)
Last 7 Days
1 events
5% of this month's activity happened this week
Largest Event
M5.8
Avg M4.61 Β· min M4.1 Β· Ο 0.49
Energy Released
14,641 t TNT
Cumulative seismic energy, 30 days (Gutenberg-Richter)
Depth Profile
78.5 km avg
0.0% shallow (<10km) Β· range 10β370.5 km
Underwriting Signal
56.2/100
Recommended tier: Standard
95% Confidence Range
10.5β27.5
Statistically expected event count for this window
Projected: 231.2 events/yr Β· 0.2% chance of M5+ within 1 year Β· 0.1% chance of M6+ within 5 years Β· 0.0% chance of M7+ within 10 years
Same statistical model as your Risk Evidence Report (USGS FDSN, 30-day/500km window)
USGS FDSN
Signal β Solar Wind
331 km/s (Calm)
Magnetic field: 5.7 nT (Unsettled)
Signal β Geomagnetic (Kp)
1.0 / 9
Quiet β planetary K-index
Signal β Solar Flare
B4.2
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 β 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.
Global Disaster Alert and Coordination System (GDACS)
Go Deeper