TW - page 3


Researcher, journalist and editor of The Watchers. You can reach me at desk[at]

TW's articles

asteroid 2018 yl2

Asteroid 2018 YL2 flew past Earth at 0.15 lunar distances

A newly discovered asteroid designated 2018 YL2 flew past Earth at a very close distance of 0.15 LD / 0.00040 AU (59 839 km / 37 182 miles) on December 27, 2018. This object belongs to the Apollo group of asteroids. It was first observed at ATLAS-MLO, Mauna Loa,...

December 30, 2018

flood philippines tropical depression usman december 2018

At least 122 killed in floods and landslides caused by Tropical Depression "Usman"

Tropical Depression "Usman" dropped heavy rain over parts of the Philippines over the weekend, causing floods and landslides in which at least 122 people were killed. Usman made landfall in Borongan, Eastern Samar on December 29 and has since weakened...

December 30, 2018

Albuquerque heavy snow december 2018

Winter Storm "Eboni" claims 6 lives, causes widespread flooding, rare New Mexico blizzard

Powerful Winter Storm "Eboni" marched through the United States this week, dropping heavy snow, causing slick roads and leaving 4 people dead. On its warm side, the storm brought flooding rains to the South, triggering flash flood emergencies and high...

December 30, 2018

cleveland volcano july 10 2018 f

Short-lived explosion at Cleveland volcano, ash to 5.2 km (17 000 feet), Alaska

A short-lived explosion was detected at Cleveland volcano early December 29, 2018. Ash cloud was reported rising up to 5.2 km (17 000 feet) above sea level. The Aviation Color Code remains Orange since December 12. Local seismic sensors recorded a short-lived...

December 29, 2018

2018 volcanoes in review

2018 Volcanoes in Review

Thanks to Jake and Mari of the Grand Solar Minimum YouTube channel we have an excellent overview of all significant volcanic eruptions of the year. Out of an estimated 1 500 active volcanoes, on average 50 - 70 erupt every year, spewing steam, ash, toxic gases, and...

December 29, 2018

philippines earthquake december 29 2018 f

Very strong M7.2 earthquake hits near the coast of Philippines, tsunami warning issued

A very strong earthquake with a preliminary magnitude of 7.2 (PHIVOLCS) hit near the coast of Mindanao, Philippines at 03:39 UTC (11:39 LT) on December 29, 2018. The agency is reporting a depth of 54 km (33 miles). Both USGS and EMSC registered it as M7.0 at a...

December 29, 2018

aurora forecast mr 1411z december 28 2018

Positive polarity coronal hole high speed stream sparks geomagnetic storm

A positive polarity coronal hole high speed stream (CH HSS) is affecting our planet since late December 27, sparking G1 - Minor geomagnetic storm. Periods of active conditions are likely through December 29 followed by quiet to unsettled activity on December 30...

December 28, 2018

td usman 08 10 utc december 28 2018 f

Tropical Depression "Usman" expected to make landfall over Eastern Samar, Philippines

Tropical Depression "Usman" continues moving erratically over the Philippine Sea. The current forecast track takes it over Eastern Samar between late December 28 and early morning December 29, 2018 (local time). Residents of affected areas, especially...

December 28, 2018

sheveluch dec 26 2018

Explosive-extrusive eruption at Sheveluch volcano, Russia

A strong gas-steam activity accompanied by ash emission continues at Sheveluch volcano, Kamchatka, Russia. The Aviation Color Code remains Orange. A gas-steam with ash plume is currently drifting NE of the volcano, KVERT reports. At 02:30 UTC, volcanic ash was...

December 27, 2018

mayon volcano eruption december 27 2018

Phreatic eruptions at Mayon volcano, Philippines

Two phreatic eruption events were observed at 00:17 and 00:28 UTC (08:17 and 08:28 LT) on December 27, 2018. These events generated grayish to grayish white ash plume that rose 600 meters (2 000 feet) and 200 meters (650 feet) above the summit, respectively, before...

December 27, 2018

anak krakatau eruption december 23 2018

Anak Krakatau volcano alert level raised to 3 of 4, more tsunamis possible, Indonesia

Volcanic activity at Anak Krakatau continues increasing, forcing Indonesian authorities to raise the alert level from 2 to 3 (of 4) at 23:00 UTC on December 26, 2018 (06:00 WIB, December 27). More tsunamis are possible and BMKG recommends communities to stay 500 m -...

December 27, 2018

flash floods sri lanka december 2018

Over 74 000 affected, 11 000 evacuated due to flash floods in Sri Lanka

Heavy rains and strong winds affecting Sri Lanka over the past couple of days resulted in severe flash floods and evacuations in the country's north. According to media reports, this severe weather event lasted for several days, affecting 74 793 people or 23 265...

December 26, 2018

m5 1 eq etna italy december 26 2018

Very shallow, damaging M5.1 earthquake under Etna volcano injures 28 people, Italy

A very shallow earthquake registered by the EMSC as M5.1 hit under Sicily's Etna volcano, Italy at 02:19 UTC (03:19 LT) on December 26, 2018. The agency is reporting a depth of 1 km (0.6 miles). INGV is reporting M4.9 at a depth of 2 km (1.2 miles). This is the...

December 26, 2018

nlc antarctica 2018

Noctilucent clouds blanket Antarctica

NASA's AIM spacecraft is monitoring a 4 800-km wide (3000 miles) ring of noctilucent clouds circling high above Antarctica. The 2018 southern hemisphere noctilucent season began on November 21, said Cora Randall, a member of the AIM science team at the...

December 26, 2018

december 31 gfs snow model

Major storm over much of the Western U.S., post-Christmas winter storm to bring heavy snow from the Central Plains through the Great Lakes

A major storm will impact much of the Western U.S. through Christmas Day with heavy rainfall, mountain snow, and strong winds. This system will advance into the Plains by Wednesday, December 26 where winter storm watches are in effect. Travel will likely become...

December 25, 2018

etna eruption december 24 2018

Etna's first flank eruption in more than 10 years, Aviation Color Code raised to Red, Italy

A new flank eruption, the first in nearly 11 years, has begun at Mount Etna, Italy on December 24, 2018, forcing authorities to raise the Aviation Color Code to Red. An intense earthquake swarm started at the volcano at 07:50 UTC, with more than 130 earthquakes in...

December 24, 2018

russia earthquake december 24 2018 f

Strong and shallow M6.1 earthquake hits Komandorskiye Ostrova, Russia

A strong and shallow earthquake registered by the USGS as M6.1 hit Komandorskiye Ostrova, Russia at 12:41 UTC on December 23, 2018. The agency is reporting a depth of 10 km (6.2 miles). ESMC is reporting the same magnitude and depth. This earthquake can have a low...

December 24, 2018

tonga earthquake december 23 2018 f

Strong M6.4 earthquake hits Tonga at intermediate depth

A strong earthquake registered by the USGS as M6.4 hit Tonga at 23:08 UTC on December 23, 2018 (12:28 LT, December 24). The agency is reporting a depth of 100.2 km (62 miles). EMSC is reporting M6.4 at a depth of 111 km (69 miles). This earthquake can have a low...

December 24, 2018

krakatau eruption december 22 2018

High-impact eruption at Krakatau volcano, deadly tsunami produced, Indonesia

Powerful eruptions are taking place at Indonesian Krakatau volcano over the past 24 hours. The volcano is producing large lava flows and undersea landslides believed to be the cause of at least one deadly tsunami. According to the Darwin VAAC advisory issued 00:25...

December 23, 2018

meteotsunami florida december 20 2018

Severe storms produce tornadoes, straight-line winds and a meteotsunami, Florida

Several rounds of severe storms hit Florida on Thursday, December 20, 2018, producing heavy rain, several tornadoes, straight-line winds and a meteotsunami. According to Paso County Emergency Management, up to 80 mobile homes were damaged by straight-line winds in...

December 22, 2018

karangetang volcano eruption december 21 2018

Karangetang volcano: Sharp increase in seismicity, alert level raised, Indonesia

Indonesian authorities have raised the alert level for Karangetang stratovolcano from 2 to 3 (Siaga) on December 21, 2018. The last known eruption of this volcano took place on November 25, 2018, forcing authorities to raise to Aviation Color Code to Orange. The...

December 22, 2018

vanuatu earthquake december 22 2018 f

Shallow M6.0 earthquake hits Vanuatu

A strong and shallow earthquake registered by the USGS as M6.0 hit Vanuatu at 14:25 UTC on December 22, 2018. The agency is reporting a depth of 42 km (26 miles). EMSC is reporting M6.0 at a depth of 50 km (31 miles). The epicenter was located 106 km (65.9 miles)...

December 22, 2018

zimbabwe mozambique m5 5 earthquake december 22 2018 f

Very shallow M5.5 earthquake hits Zimbabwe - Mozambique border region, damage reported

A very shallow earthquake registered by the USGS as M5.5 hit Zimbabwe - Mozambique border region at 05:37 UTC on December 22, 2018. The agency is reporting a depth of 7.6 km (4.7 miles). EMSC is reporting M5.5 at a depth of 10 km (6.2 miles). This earthquake can...

December 22, 2018

hailstorm sydney australia december 20 2018

Massive hailstorm hits Sydney, ICA declares a catastrophe, Australia

Multiple severe thunderstorms hit the Australian state of New South Wales, including capital Sydney on December 20, 2018, dropping tennis ball-sized hail and causing huge damage. Emergency service said it was the worst hailstorm to hit the city since 1999 while the...

December 21, 2018

m7 4 earthquake russia december 20 2018

Very strong and shallow M7.4 earthquake hits Komandorskiye Ostrova, Russia

A strong and shallow earthquake registered by the USGS as M7.4 hit Komandorskiye Ostrova region at 17:01 UTC on December 20, 2018. The agency is reporting a depth of 9.6 km (5.9 miles). EMSC is reporting M7.4 at a depth of 10 km (6.2 miles). This earthquake can have...

December 20, 2018

san francisco fireball december 20 2018 credit r abiad

Bright fireball over San Francisco Bay, California

A bright fireball streaked above the San Francisco, CA area at 01:35 UTC on December 20, 2018 (17:35 PST, December 19). The fireball was primarily seen from Northen California but people living in Nevada and Oregon also reported seeing the event. The American Meteor...

December 20, 2018

tropical storm cilida 10z december 20 2018 f

Tropical Storm "Cilida" to pass dangerously close to Mauritius and Rodrigues

Tropical Storm "Cilida" formed December 19, 2018 NE of Madagascar as the 4th named tropical storm of the 2018/19 Southwest Indian Ocean cyclone season. The storm has since intensified into a Severe Tropical Storm and is expected to pass dangerously close...

December 20, 2018

2active volcanoes world

The Weekly Volcanic Activity Report: December 12 - 18, 2018

New activity/unrest was reported for 4 volcanoes between December 12 and 18, 2018. During the same period, ongoing activity was reported for 14 volcanoes. New activity/unrest: Ambrym, Vanuatu | Cleveland, Chuginadak Island (USA) | Planchon-Peteroa, Central...

December 19, 2018

port orchard tornado december 18 2018 matthew hargis f

Extremely rare, very damaging tornado rips through Port Orchard, Seattle, Washington

National Weather Service in Seattle confirmed a tornado touched down near Port Orchard, WA just before 14:00 local time on Tuesday, December 18, 2018. An extensive, official damage survey will be conducted by the NWS Wednesday morning. Until then, the strength of...

December 19, 2018

TW 19 12 2018 792 x 296 01

Strong and shallow M6.3 earthquake southeast of Easter Island

A strong and shallow earthquake registered by the USGS as M6.3 hit southeast of Easter Island at 01:37 UTC on December 19, 2018. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting M6.3 at a depth of 60 km (37 miles). The epicenter was located 2...

December 19, 2018

kuchinoerabujima volcano eruption december 18 2018

Strong explosive eruption at Kuchinoerabujima volcano, pyroclastic flow generated, Japan

A strong explosive eruption took place at Mount Shindake, Japanese Kuchinoerabujima volcano at 07:37 UTC on December 18, 2018 (15:37 JST). This volcano, located in the southwestern prefecture of Kagoshima, is sporadically erupting since October 2018. "After...

December 18, 2018

owen december 15 2018 terra modis f

Tropical Cyclone "Owen" sets new Australian December daily rainfall record

Tropical Cyclone "Owen" brought extremely heavy rains to parts of Queensland, setting a new Australian December daily rainfall. Owen made its first landfall well north of Cardwell, Queensland early December 10, exited into the Gulf of Carpentaria and...

December 18, 2018

tc phethai december 17 2018 terra modis f

TC "Phethai" makes landfall over Andhra Coast, downing trees and power poles, rare 'fish rain' phenomenon reported

Tropical Cyclone "Phethai" made landfall over Andhra Pradesh coast, close to the town of Yanam between 08:00 and 09:00 UTC (13:30 and 14:30 LT) on December 17, 2018. First reports mention a lot of downed trees and power poles and at least one person dead....

December 17, 2018

mount soputan eruption december 16 2018

Violent eruption at Soputan volcano, alert level raised to Red, Indonesia

An intense eruptive phase started at North Sulawesi's Soputan volcano at 17:02 UTC, December 15, 2018 (01:02 LT, December 16). The volcano is producing lava fountains and ash columns up to 8 km (26 200 feet) above sea level. The Aviation Color Code was raised...

December 16, 2018

m6 1 papua indonesia december 16 2018

M6.1 earthquake hits eastern Papua, Indonesia

A strong earthquake registered by the USGS as M6.1 hit eastern Papua, Indonesia at 09:42 UTC on December 16, 2018. The agency is reporting a depth of 61.1 km (37.9 miles). EMSC is reporting M6.1 at a depth 68 km (42.2 miles). The epicenter was located 65.1 km (40.4...

December 16, 2018

ambrym hazards map december 15 2018 f

Ambrym volcano: Intra-caldera flank eruption, alert level raised, Vanuatu

The Vanuatu Meteorology and Geo-Hazards Department has raised the Volcanic Alert Level for Ambrym volcano to Level 3, the department reported December 15, 2018. The eruption is taking place in the caldera area and the Danger Zone for life safety is limited at the...

December 15, 2018

asteroid 2018 xa4

Asteroid 2018 XA4 flew past Earth at 0.97 LD

A newly discovered asteroid designated 2018 XA4 flew past Earth at a distance of 0.97 LD / 0.00248 AU (371 002​ km / 230 530 miles) on December 11, 2018. This is 73rd known asteroid to flyby Earth within 1 lunar distance since the start of the year. This object...

December 15, 2018

tropical cyclone owen 17 10z december 14 2018

Category 4 Tropical Cyclone "Owen" to hit Queensland, Australia

Severe Tropical Cyclone "Owen" is currently a Category 3 strength system in the Gulf of Carpentaria, Australia. Owen is forecast to continue on a generally easterly track for the remainder of today, intensifying to Category 4 strength before making...

December 14, 2018

melbourne december 13 2018

Record-breaking rains hit Victoria, Australia

The moisture from Tropical Cyclone "Owen" is feeding the low-pressure system over Victoria this week, bringing record-breaking rains and floods to the region. The worst affected were northeast and northwest regions of Victoria, around Birchip, and east of...

December 14, 2018

mount etna december 13 2018 f

Effusive/explosive activity, lava flows and amazing winter scenery at Mount Etna, Italy

Italy's Mount Etna continues creating amazing scenery with effusive/explosive activity and two lava flows. Etna's current activity is very different from what we have seen over the past 8 years, but not atypical. The activity is taking place at the eastern...

December 14, 2018