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Earth and Sun Digest 2004/04/22 METEOR SHOWER; COMET FRAGMENT
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Posted by Canie on April 22, 2004 at 08:30:55:
Hi All - I'm doing some formatting tests here - I apologize in advance for any gross problems... The Past Week Ticker
M12,
T13, W14/6.0M,6.2M, Th15/MC,6.3M, F16/6.0M,6.0M, Sa17, Su18, M19, T20,
W21, Th22
Moon for April 2004 per Astronomy Magazine in EDT
5
full moon, 7 perigee, 11 last quarter, 19 new moon, 23 apogee, 27 first quarter
The moon is at apogee (251,906 miles far) on 8:25 PM EDT on 23
April.
The Lyrid Meteor Shower today, 22 April, peaks best the hours
before dawn.
Two comets will be visible just above horizon due
east on 23 April. Comets C/2002 T7 and C/2001 Q4 are brightest in early
May.
Comet 2004 F4 has grazed the Sun and is fragmenting
greatly.
See target=_blank>www.spaceweather.comsize=2> for photos and videos on comets and asteroids.
A partial solar
eclipse on 19 April was visible only south of Equator.
A total lunar eclipse
will occur on May 4 but is not visible in U.S.
Nearest Earth Asteroids:
2004 FH on 18 March by 0.125 LD, closest of the year.
2004 FY 15 on 27
March by 0.6 LD's
Earth and Sun Digest for
April 22, 2004
METEOR SHOWER; COMET FRAGMENTS; YELLOWSTONE
...Week at a
Glance (with time ticking)
(Source data can change without notice
or correction.)
Earthquakes of 5.0 to 5.9M thru Wednesday--19 (Jap-0,
SoPac-8); three quakes of 6M or greater: 4/16 6.0M SOUTHERN SUMATRA,
INDONESIA, 4/16 6.0M SOUTH OF TONGA, 4/15 6.3M VANUATU California and Nevada
earthquakes in past week--306; no quakes of 4M or greater
Volcanic ash
near Jet Stream (at 5 mi/8 km)--Russia (Kamchatka)
Sunspot No. high and
low--108 on 19 April from 53 on 16 April
Largest and smallest daily total
area of sunspots--560 on 20 April from 130 on 17 April (100 = Earth)
X-Class
Solar Flares: none; last M-Class flares (5+/day) 5 on 27 October (Ticker has
fewer MC.)
(See target=_blank>http://www.sel.noaa.gov/today.htmlsize=2> )
Planetary Geomagnetic Indices: high of 12 on 16 April; last set of
five or more Kp's of 4 or more per 24 hours: 3-6 April
size=2>Recent Volcanic Eruptions: TWO GROUPINGS
1. For Northern Ash
and Gas Eruptions
affecting prevailing winds blowing northeast from
latitude 23°N.
KARYMSKY Kamchatka Peninsula, Russia 54.05°N,
159.43°E; summit elev. 1,536 m
during 9-16 April daily eruptions of plumes to
~3.5 km, during 12-19 April plumes
to ~3.0 km, on 18 April a gas-and-ash
plume to ~4.6 km
SAKURA-JIMA Kyushu, Japan 31.58°N 130.67°E; summit elev.
1,117 m
an eruption of Sakura-jima on 17 April producing a gas-and-ash plume
to ~3 km
SHIVELUCH Kamchatka Peninsula, Russia 56.653°N, 161.360°E;
summit elev. 2,283 m
on 8, 10, and 14 April gas-and-ash plumes probably
reaching ~4.5-5.5 km four times and ~7.5 km . at least once, on 18 April a
gas-and-ash plume to ~9 km and on 19 April a plume to ~3.3
VENIAMINOF
Alaska Peninsula, USA 56.17°N, 159.38°W; summit elev. 2,507 m
during 10-17
April a gas plume with some ash throughout 18 April, most vigorous at about 0930
on
18 April with the plume to ~3.0 km
2. For World Effects of
Ash and Gas Eruptions
from winds blowing westward along the Equator at
less than 23°N or S
ANATAHAN Mariana Islands,
central Pacific Ocean 16.35°N, 145.67°E; summit elev. 788 m
dome growth
continuing during the reporting week, small ash emissions ~1 km
COLIMA
western México 19.514°N,103.62°W; summit elev. ~3,850 m
an ash emission on
14 April to ~5.5 km
DUKONO Halmahera, Indonesia 1.70°N, 127.87°E; summit
elev. 1,185 m
during 14-20 April ash plumes visible on satellite imagery,
plumes to heights of ~3 km
FUEGO Guatemala 14.47°N, 90.88°W; summit
elev. 3,763 m
on 16 April a gas-and-ash plume to ~6 km, during 18-19 April
small eruptions of incandescent material up to 50 m above the
vent
KILAUEA Hawaii, USA 19.43°N, 155.29°W; summit elev. 1,222 m
during 14-20 April lava slowly flowing down the Pulama Pali
SANTA
MARÍA Guatemala 14.756°N 91.552°W; summit elev. 3,772 m
on 18 April
gas-and-ash plumes to ~4.6 km above the vent, on 19 April a gas-and-ash
plume to ~4.5 km
SEMERU Java, Indonesia 8.11°S, 112.92°E; summit
elev. 3,676 m
ash plumes visible in satellite imagery on 18 and 20 April,
the plumes reaching heights of ~4.5 km
SOUFRIÈRE HILLS Montserrat, West
Indies 16.72°N, 62.18°W; summit elev. 1,052 m
during 10-16 April activity low
with only one long-period earthquake recorded, nearly continuous moderate
sulfur-dioxide emissionsthroughout the reporting week
TUNGURAHUA Ecuador
1.47°S, 78.44°W; summit elev. 5,023 m
during 13-18 April activity at low
levels with few explosions, then an ash eruption on 21 April to 6.7
km
ULAWUN New Britain, Papua New Guinea 5.04°S, 151.34°E; summit elev.
2,334 m
on 14 April an ash plume to ~3 km
Ash data is summarized
from the weekly GVN/USGS report at
href="http://www.volcano.si.edu/reports/usgs/" target=_blank>size=2>http://www.volcano.si.edu/reports/usgs/
All
ash elevations are in km above sea level (a.s.l.) and times are converted to
UTC. For time changes, check the table at the end of the USGS website
below.
The earthquake data that follows are taken from U.S. Geological
Survey tables available through href="http://neic.usgs.gov/neis/bulletin/bulletin.html" target=_blank>size=2>http://neic.usgs.gov/neis/bulletin/bulletin.html
.
EARTHFIVE Index of Global earthquakes of 5.0 magnitude or greater DATE-(UTC)-TIME LAT LON DEP MAG Q COMMENTS
yy/mm/dd hh:mm:ss deg. deg. km READ UP for latest report. 04/04/21 01:20:4232.93N39.23W10.0 5.1NORTHERN MID-ATLANTIC RIDGE
04/04/20 21:41:3232.95N39.23W10.0 5.3NORTHERN MID-ATLANTIC RIDGE
04/04/19 08:14:113.66N32.20W10.0 5.6CENTRAL MID-ATLANTIC RIDGE
04/04/18 03:40:5624.63S175.90W10.0 5.3SOUTH OF TONGA
04/04/17 19:00:516.44S130.00E125.1 5.7BANDA SEA
04/04/17 15:58:207.36S128.46E90.6 5.8KEPULAUAN BARAT DAYA, INDONESIA
04/04/17 13:02:2647.35N145.55E409.9 5.2SEA OF OKHOTSK
04/04/17 10:56:4612.16N143.65E70.0 5.0GUAM REGION
04/04/17 07:48:0810.89S165.93E61.9 5.2SANTA CRUZ ISLANDS
04/04/17 05:39:2026.69S177.29W20.0 5.5SOUTH OF FIJI ISLANDS
04/04/17 04:24:5424.69S175.84W40.0 5.1SOUTH OF TONGA
04/04/16 21:57:065.18S102.58E54.2 6.0SOUTHERN SUMATRA, INDONESIA
04/04/16 18:32:248.64S114.66E96.7 5.5BALI REGION, INDONESIA
04/04/16 16:58:4024.54S175.91W40.0 6.0SOUTH OF TONGA
04/04/16 10:24:4622.00S170.18E65.0 5.2SOUTHEAST OF LOYALTY ISLANDS
04/04/16 08:27:3310.74S164.19E40.0 5.7SANTA CRUZ ISLANDS REGION
04/04/16 02:06:148.96N94.05E30.1 5.6NICOBAR ISLANDS, INDIA REGION
04/04/15 21:39:1830.23S67.49W29.0 5.3SAN JUAN PROVINCE, ARGENTINA
04/04/15 21:20:398.88N93.96E22.7 5.2NICOBAR ISLANDS, INDIA REGION
04/04/15 20:20:1419.43S169.50E10.0 5.7VANUATU
04/04/15 20:06:5519.46S169.57E10.0 6.3VANUATU
04/04/15 06:48:4010.57S161.37E10.0 5.1SOLOMON ISLANDS
United States Quakes this past week
with quakes possibly felt in U.S. from nearby countries:
04/04/21 12:02:0755.16N158.45W14.2 3.8ALASKA PENINSULA
04/04/21 01:12:1137.24N90.52W9.6 2.2SOUTHEASTERN MISSOURI
04/04/20 12:41:2633.56N118.37W15.4 3.1SAN PEDRO CHANNEL, CALIFORNIA
04/04/19 06:20:1440.37N120.62W7.0 3.7NORTHERN CALIFORNIA
04/04/19 05:24:1951.56N178.71E80.2 4.3RAT ISLANDS, ALEUTIAN ISLANDS
04/04/19 00:04:3344.27N129.45W10.0 4.0OFF COAST OF OREGON
04/04/17 10:56:4612.16N143.65E70.0 5.0GUAM REGION
04/04/16 04:06:4346.10N111.66W14.7 3.4WESTERN MONTANA
04/04/15 04:53:5938.87N107.35W1.0 3.1COLORADO
04/04/15 02:28:0833.94N116.99W16.7 3.4SOUTHERN CALIFORNIA
Monthly Summary of Earthquakes of 6 or greater Magnitude
in the World, per USGS/NEIC Preliminary Global Report
YEAR: 93 94 95 96 97 98 99 00 01 02 03 04 January 2 1 13 10 4 7 5 8 10 14 10 11 with one 7M
February 1 12 13 18 7 4 6 4 14 6 5 13 with two 7M's)
March 0 2 8 13 5 7 8 5 5 10 15 10
April 0 12 17 4 9 6 8 3 9 7 8 (12) YR total 19 110 160 109 76 63 103 109 112 133 145 (46)
SUNSunspot numbers for the past week:
4/14 15 16 17 18 19 20 21
69 60 53 55 92 108 96 98
Planetary geomagnetic A Indices for same period
5 6 12 9 11 6 4 5
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