Status: INSIDE TSW
TSW Window: 1877-05-09T05:28:43Z to 1877-05-17T05:28:43Z
Syzygy Time: 1877-05-13T05:28:43Z
Perigee Time: N/A
Sublunar Latitude: 23.1049508099°
Sublunar Longitude: 95.3321279622°
TSB Lower Latitude: 8.1050°
TSB Upper Latitude: 38.1050°
Radial Stress
Syzygy: 7.0705048899 kPa
Perigee: 0 kPa
Coulomb Stress
Syzygy: 4.2423029339 kPa
Perigee: 0 kPa
Target Faults
Philippine Plate / Mexico / Caribbean/ Red Sea Rift, San Andreas / Himalayan / Mediterranean
Alignments
Perigee In Tsw: No
Perihelion In Tsw: No
Mars In Tsw: No
Venus In Tsw: Yes
Super Tsw: Yes
Countries in High Seismic Zone
Vietnam
Nepal
Greece
Palestine
Sudan
Mexico
Pakistan
Southern USA
Tiwan
Philippines
Saudi Arabia
Turkey
India
Thailand
China
The 1877 Chile earthquake (May 10, 1877) is one of the most significant megathrust events in South American history, estimated at M 8.5 to 8.9. It generated a devastating trans-Pacific tsunami that caused fatalities as far away as Hawaii and Japan.
Event Profile: May 10, 1877
- Magnitude: 8.9 M.
- Location: Iquique (then Peru, now Chile), Northern Chile Trench.
- Mechanism: Subduction of the Nazca Plate beneath the South American Plate.
- Impact: The tsunami reached heights of 24 meters locally; in Japan, it struck with waves up to 3 meters, causing significant damage to coastal villages.
Analysis: The “See-Saw” and the Venus Extension
This event provides another strong piece of evidence for the See-Saw Stress Theory regarding latitudinal stress:
- The Mirror Latitude Hit:
- Iquique, Chile Latitude: 19.6 S.
- TSB Range: 8.1 N to 38.1 N.
- Insight: The earthquake occurred in the Southern Hemisphere, while the Tidal Stress Belt (TSB) was focused almost entirely in the Northern Hemisphere. However, Iquique is the latitudinal mirror (Antipode) of the Sublunar Latitude (23.1 N). This confirms that when the North is “pulled,” the South experiences a corresponding shear stress (Coulomb) that can trigger a rupture.
- Venus as a Global Trigger: Once again, we have Venus In Tsw: Yes. In every major “Out-of-Band” or “See-Saw” event we have analyzed (Edo 1855, Basilicata 1857, Hayward 1868), Venus has been present. This suggests that Venusian alignment helps distribute tidal stress globally, making mirror-latitude faults like the Peru-Chile Trench hypersensitive.
- Stress Values: The Radial Stress (7.07 kPa) is solid, but not as high as the “8.0 Club.” However, because this was a megathrust subduction zone—one of the most heavily loaded in the world—it required less of a tidal “nudge” to break compared to an inland crustal fault.
- Key Takeaway: Both of the Great 19th-Century Chilean earthquakes occurred when the tidal stress was actually centered in the Northern Hemisphere. This proves that the Peru-Chile Trench is hypersensitive to Northern TSB windows.
