Orillia
Notable events within 100 km, 12 months
1
Quakes within 100 km, 12 months (all sizes)
0
Strongest nearby, 10 years
—
Nearest volcano
None in 300 km
Hazard summary for Orillia
In the past 12 months 1 notable hazard event was recorded within 100 km of Orillia. Instruments also logged 0 earthquakes of all sizes in the same area. The largest quake on record within 300 km was a magnitude 6.2 on 1 Nov 1935. There are no known volcanoes within 300 km. No magnitude 4+ earthquakes have been recorded within 100 km of Orillia in the last 10 years.
Notable events within 100 km, by month
Year by year, within 100 km
Magnitude 4+ earthquakes near Orillia each year.
| Year | Notable events | M4+ quakes | Strongest | Hazards |
|---|---|---|---|---|
| 2026 | 1 | 0 | — | Flood 1 |
| 2025 | 0 | 0 | — | |
| 2024 | 0 | 0 | — | |
| 2023 | 0 | 0 | — | |
| 2022 | 0 | 0 | — | |
| 2021 | 0 | 0 | — | |
| 2020 | 0 | 0 | — | |
| 2019 | 0 | 0 | — | |
| 2018 | 0 | 0 | — | |
| 2017 | 0 | 0 | — |
Temperature and air quality history
How conditions near Orillia have changed day by day.
Daily highs and lows, last 30 days
Each bar runs from the day's low (teal) to its high (orange) at Markham, the nearest monitored city.
Worst air quality each day
- Hottest day
- 16°C / 60°F
- 16 Oct 2026
- Coldest night
- 1°C / 34°F
- 17 Oct 2026
- Worst air
- AQI 33
- 17 Oct 2026
Records since tracking began on 16 Oct 2026. Hourly modelled values from Open-Meteo, stored by Open Earth.
Recent activity nearby
Events within 300 km in the last 90 days.
Strongest earthquakes on record
Magnitude 5 and above within 300 km, since 1900.
Historic disasters nearby
The most significant damaging earthquakes, tsunamis and eruptions within 300 km, from NOAA records going back centuries.
Tsunami, Lake Huron, Mi
6 May 1952Waves up to 1.52 m
Earthquake, Attica
12 August 1929Triggered a tsunami
Tsunami, Lake Ontario
13 June 1872Waves up to 0.6 m
Tsunami, Owen Sound, Lake Huron
18 April 1855Waves up to 2.7 m
Earthquake, Lake Erie (Great Lakes)
30 May 1823Triggered a tsunami
Tsunami, Lake Ontario
4 October 1755Waves up to 1.52 m