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Arequipa, Peru

-16.3990, -71.5375  ·  updated 10 Sep 2026, 06:53 UTC  ·  composite signal 50.5/100
50.5Composite /100
MODERATETsunami Risk
38Air Quality
18kmNearest Volcano
0Wildfire Hotspots
9.4UV Index
1.0Kp Index
3Quakes 7d
Seismic activity map for Arequipa, Peru

7-day weather outlook — conditions across the region

7-day weather forecast map for Arequipa, Peru

7-day forecast — temperature, precipitation & wind

7-day wind & rain chance

Global baseline

Signal — Current Conditions

14.3°C

Clear sky · feels 12.2°C · humidity 39%

Signal — Wind

0.5 km/h

Gusts to 3.6 km/h · direction 270°

Signal — Pressure & Sun

1015 hPa

Sunrise 05:45 · Sunset 17:40

Signal — Sky & Visibility

2% cloud

Visibility 53.3 km · dew point 0.5°C

Signal — Earthquake

97.9 / 100

2000 events considered (30yr, 300km radius)

Nearest M5.5+: 2 km SSE of Quequeña, Peru (22.1 km, M5.6)

Signal — Flood / Terrain

3 / 100

Elevation 2350 m · slope 4.2°

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

38 AQI

Dominant pollutant: pm25 · Arica, Chile

Signal — UV Index

9.4 (Very High)

Today's peak UV, Open-Meteo

Signal — Tsunami Risk

MODERATE

Based on largest nearby earthquake magnitude (30yr history)

Signal — Nearest Volcano

18 km

Misti, El (Stratovolcano) · last erupted 1985

1,507 people live within 10km of Misti, El · 1,052,408 within 100km
Tectonic setting: Subduction zone / Continental crust (> 25 km)

El Misti is a symmetrical andesitic stratovolcano with nested summit craters immediately NE of the city of Arequipa, Peru. Eruptions from the active cone began about 13,700 and 11,300 years ago, within a 1.5 x 2 km caldera that underwent collapse about 50,000 years ago. A large scoria cone has grown with the 830-m-wide outer summit crater. At least 20 tephra-fall deposits and numerous pyroclastic-…

Full Smithsonian GVP profile →

Nearest other major location: Arica, Chile (266 km)

Next 24 hours — hourly detail

Next 24 hours — pressure & humidity

Seismic activity analysis (30-day, 500km)

30-Day Event Count

13

0.43/day · Below normal activity (z=-1.18)

Last 7 Days

3 events

23% of this month's activity happened this week

Largest Event

M6.7

Avg M4.32 · min M2.7 · σ 0.89

Energy Released

169,836 t TNT

Cumulative seismic energy, 30 days (Gutenberg-Richter)

Depth Profile

81.5 km avg

0.0% shallow (<10km) · range 10–158.3 km

Underwriting Signal

58.9/100

Recommended tier: Basic

95% Confidence Range

5.9–20.1

Statistically expected event count for this window

Projected: 158.2 events/yr · 0.2% chance of M5+ within 1 year · 0.1% 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)
M7.2 — 10 km W of Azángaro, Peru 213 km, 236 km deep
M7 — 22 km NNE of Azángaro, Peru 239 km, 267 km deep
M6.8 — 38 km NW of Aniso, Peru 296 km, 101 km deep
M6.4 — 22 km S of Atico, Peru 224 km, 43.7 km deep
M6.3 — 68 km ESE of Palca, Peru 293 km, 118 km deep
M6.2 — 11 km E of Iray, Peru 121 km, 93 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

B3.4

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.

Active regional alerts (GDACS, within 750km)
Green flood alert in Peru 531 km away

Global Disaster Alert and Coordination System (GDACS)

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

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