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Space and Quakes (3rd Update – 5.6 quake in Solomon Islands) (2nd Update – 5.0 quakes in the Philippines and Ecuador) (Update – Tropical Storm forms in Indian Ocean) (19 quakes of 5+ and 2 quakes of 6+ so far for today)
December 20, 2016 8:15am (EST) Update12:30pm (EST) 2nd Update 1:10pm (EST) 3rd Update 4pm (EST)
Asteroids: (LD) lunar distance — all (LD)s are 10 or under and minimum distances.
| Dec. 21 | 2015 YQ1 | 11 meters | 5.58 (LD) |
| Dec. 22 | 2016 YJ | 17 meters | 1.21 (LD) |
| Dec. 24 | 2016 YF | 35 meters | 8.66 (LD) |
Solar Winds: Earth will enter a stream of solar wind today that will take days to cross and is expected to cause G1-class geomagnetic storms and auroras.
Sunspots: Sunspot 2619 is tiny and poses no threat for strong solar flares at this time
Earthquakes: There has been 3 quakes of 4+ magnitude over the last 7 hours.
| Time (UTC) | Magnitude | Location |
| 4:20am | 5.1 / 5.0 | Port-Olry, Sanma, Vanuatu |
| 4:21am | 6.7 / 6.3 | Honiara, Guadalcanal, Solomon Islands |
| 4:33am | 5.3 / 5.0 | Panguma, Bougainville, Papua New Guinea |
| 6:03am | 5.5 / 5.3 | Kamarion, South Aegean, Greece |
| 6:07am | 5.2 / | Rabaul, East New Britian, Papua New Guinea |
| 6:14am | 5.4 / 5.2 | Panguna, Bougainville, Papua New Guinea |
| 7:14am | 5.2 / 5.0 | Amahai, Maluku, Indonesia |
| 8:11am | 5.1 | Honiara, Guadalcanal, Solomon Islands |
| 8:49am | 5.5 / 5.4 | Honiara, Guadalcanal, Solomon Islands |
| 10:04am | 5.6 / 5.4 | Sishilichengzi, Xinjiang Uygur Zizhiqu, China |
| 10:21am | 5.0 | Bukid, Davano, Philippines |
| 10:21am | 5.1 / 5.0 | Tobelo, Maluku Utana, Indonesia |
| 12:33pm | 6.1 / 5.9 | Honiara, Guadalcanal, Solomon Islands |
2nd UPDATE — 5.0 quakes in Aloleng, Ilocos, Philippines at 5:16pm (UTC) and Muisne, Esmerldas, Ecuador at 5:39pm (UTC). 3rd UPDATE — 5.6 quake in Honiara, Guadalcanal, Solomon Islands at 8:07pm (UTC).
Quake ratings — 4-4.9 / Light 5-5.9 / Moderate 6-6.9 / Strong 7-7.9 / Major 8-8.9 / Great 9-9.9 / Devastating
Storms: UPDATE — A Tropical Storm (Cyclonic Storm 02S) has formed in the Indian Ocean, North of Australia and South of Indonesia
