Magnitude 5+ Earthquakes – Global

5.7 Earthquake hits Mindanao in the Philippines.

One person was killed and several others injured on Sunday when a powerful aftershock hit a southern Philippine city still recovering from a quake last month, authorities said.

5.0 Earthquake hits east of the South Sandwich Islands.

Storms and Floods

Tropical Storms – Roundup of Tropical Storms:

In the South Indian Ocean: Tropical cyclone (tc) 09s (Enawo), located approximately 402 nm north of Port Louis, Mauritius, is tracking west-southwestward at 02 knots.


Indonesia – Floods and landslides have killed four people in Indonesia’s West Sumatra province. Heavy rain that had pounded Lima Puluh Kota district since Thursday caused many areas to be under water as deep as 1.5 metres. At least 13 landslides were reported.


Drought in Somalia

At least 110 people, most of them women and children, have died from starvation and drought-related illness in Somalia in the past 48 hours, Prime Minister Hassan Ali Khaire said Saturday.

The death toll covers those who died in the rural areas of Somalia’s southwestern Bay region where the drought is more severe than other parts of the country. It was not immediately clear how many others have died in the rest of the country.

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Measles epidemic declared in Guinea

A measles epidemic has been declared in 14 of the 38 health districts in Guinea. 13 districts have been put on alert. Since the beginning of the year, 1,527 cases of measles have been diagnosed, of which 1,517 were cured. Two patients have died and eight remain under treatment.

Nigeria: Borno State reports 1st Lassa fever outbreak in decades

Borno state in northeast Nigeria has recorded its first Lassa fever outbreak in almost five decades. The last confirmed outbreak of the deadly disease was in 1969. WHO is supporting the government to contain the outbreak in an area of the country which is already coping with a humanitarian crisis resulting from years of conflict.

China reports 21 more H7N9 avian influenza cases, 3 deaths

The Chinese National Health and Family Planning Commission reported 21 additional human cases of avian influenza A(H7N9), including three deaths, from February 24 to March 2.

The 17 male and four female patients, aged from 10 to 77, had their onset from February 10 to 27. The cases were from Guangdong (six cases), Anhui (four cases), Jiangsu (three cases), two cases each in Guangxi and Jiangxi, and one case each in Hubei, Hunan, Shanghai and Zhejiang. Among them, 18 were known to have exposure to poultry or poultry markets.


Wildfires – Oklahoma, USA

Crews throughout central Oklahoma battled wildfires Friday, including one near Norman that drove about 100 people from their homes. There were no reports of injuries or structures damaged.

A red flag fire warning was issued for about half of the state Friday, with warm temperatures, low humidity and high winds creating ideal conditions for fires, the National Weather Service reported.


Roundup of Global Volcanic Activity – Ongoing Activity for the week of 22 February-28 February 2017

Bagana | Bougainville (Papua New Guinea) : Based on analyses of satellite imagery, the Darwin VAAC reported that on 26 February a diffuse ash plume from Bagana rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted ESE.

Bogoslof | Fox Islands (USA) : AVO reported that no significant volcanic activity at Bogoslof had been detected in seismic, infrasound, or mostly cloudy satellite data during 22-28 February. The Aviation Colour Code remained at Orange and the Volcano Alert Level remained at Warning.

Cleveland | Chuginadak Island (USA) : AVO reported that during 22-28 February no significant activity at Cleveland was observed in satellite and webcam views, nor in seismic or infrasound data. Slightly elevated surface temperatures were identified in a satellite image during 26-28 February, and minor steaming was visible in webcam images during 27-28 February. The Aviation Colour Code remained at Orange and the Volcano Alert Level remained at Watch.

Colima | Mexico : On 24 February the Centro Universitario de Estudios e Investigaciones de Vulcanologia – Universidad de Colima reported low-intensity explosions at Colima during the previous week. The internal crater remained about 250 m in diameter and 50-60 m deep; previous lava domes had been destroyed in late September and mid-November 2016. Scientists who visited the terminus of a 4.5-km-long pyroclastic flow that had been emplaced on 8 January observed that the flow was blocky with very little ash, and that the local vegetation had not been burnt, suggesting that the flow was low-temperature. The Unidad Estatal de Protección Civil de Colima noted that the public should not enter the 8-km-radius exclusion zone, and also stay away from ravines.

Dukono | Halmahera (Indonesia) : Based on analyses of satellite imagery, wind model data, and notices from PVMBG, the Darwin VAAC reported that during 22 and 24-28 February ash plumes from Dukono rose to altitudes of 2.1-2.4 km (7,000-8,000 ft) a.s.l. and drifted SW, W, and NW.

Ebeko | Paramushir Island (Russia) : KVERT reported that, according to observers in Severo-Kurilsk (Paramushir Island) about 7 km E, explosions on 27 February at Ebeko produced an ash plume that rose to an altitude of 2 km (6,600 ft) a.s.l. and drifted about 6 km N. The Aviation Colour Code was raised to Orange (the second highest level on a four-colour scale).

Fuego | Guatemala : INSIVUMEH reported that during 21-22 February there were 28 explosions detected at Fuego, and ash plumes that rose as high as 1 km above the crater rim and drifted E and NE. There were 32 explosions recorded during 23-24 February; ash plumes rose 650 m and drifted S and SW. Lava fountains rose 200 m high, and generated a 200-m-long lava flow that descended the Santa Teresa (W) drainage. A second lava flow descended the Las Lajas (SE) drainage. Seismicity increased on 24 February. On 25 February explosions generated ash plumes that rose as high as 1.3 km above the crater and drifted more than 25 km NW, N, NE, and E. Ash fell in Alotenango (8 km ENE), San Vicente Pacaya, El Rodeo, El Zapote, La Reunión, and Alotenango. Lava fountains rose 300 m, and material was ejected as far away as 500 m. The lava flows continued to advance, extending 1.2 km in the Santa Teresa drainage, 1.3 km in the Las Lajas drainage, and 1.6 km in the Ceniza (SSW) drainage. Weak-to-moderate explosions during 26-27 February produced ash plumes that rose at most 750 m and drifted 8 km W and SW.

Kilauea | Hawaiian Islands (USA) : During 22-28 February HVO reported that the lava lake continued to rise and fall, circulate, and spatter in Kilauea’s Overlook vent. Webcams recorded incandescence from long-active sources within Pu’u ‘O’o Crater and from a vent high on the NE flank of the cone. A pit on the W side of the crater contains a small lava pond. The 61G lava flow, originating from a vent on Pu’u ‘O’o Crater’s E flank, continued to enter the ocean at Kamokuna. Surface lava flows were active on the coastal plain, along the E side of 61G, less than 1 km upslope of the FEMA emergency road. Other surface flows streamed down the pali farther inland.

Langila | New Britain (Papua New Guinea) : Based on analyses of satellite imagery and wind data, the Darwin VAAC reported that on 24 February an ash plume from Langila rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted N.

Nevado del Ruiz | Colombia : Servicio Geológico Colombiano’s (SGC) Observatorio Vulcanológico y Sismológico de Manizales reported that during 21-27 February seismicity at Nevado del Ruiz continued to indicate unrest. Seismicity was highest during 23-26 February with earthquakes located at depths of 1.1-4 km, in areas SW of the volcano; the largest event was a local M 3.2. Signals indicating fracturing rock increased in both size and number as compared to the previous week. Significant amounts of water vapour and gas continued to be emitted. Gas, steam, and ash plumes rose 2 km above the crater rim on 25 February and drifted NW and SW. Thermal anomalies were identified on 21, 23, and 26 February. The Alert Level remained at III (Yellow; the second lowest level on a four-colour scale).

Sabancaya | Peru : Based on webcam views and seismic data the Buenos Aires VAAC reported that during 22-26 and 28 February sporadic gas-and-ash puffs rose from Sabancaya, and during 24-28 February they rose to altitudes of 7-11.9 km (23,000-39,000 ft) a.s.l. Weather clouds often hindered observations of the volcano.

Sheveluch | Central Kamchatka (Russia) : KVERT reported that during 17-24 February lava-dome extrusion onto Sheveluch’s N flank was accompanied by strong fumarolic activity, dome incandescence, ash explosions, and hot avalanches. Satellite images showed a daily thermal anomaly over the dome, and ash plumes that drifted 100 km NE on 18 February. Explosions on 20 February generated ash plumes that rose to an altitude of 5.5 km (18,000 ft) a.s.l. and drifted NW. The Aviation Colour Code remained at Orange.

Sinabung | Indonesia : Based on PVMBG observations, satellite and webcam images, and wind data, the Darwin VAAC reported that during 22 and 24-26 February ash plumes from Sinabung rose to altitudes of 3.3-5.2 km (11,000-17,000 ft) a.s.l. and drifted WNW, W, and SW.

Suwanosejima | Ryukyu Islands (Japan) : Based on JMA notices and satellite-image analyses, the Tokyo VAAC reported explosions at Suwanosejima during 27-28 February. Ash plumes rose to an altitude of 1.5 km (5,000 ft) a.s.l. and drifted SE on 28 February.