Weekly Geophysical: 20 December 2013


Summary of report week: USGS is listing 29 events, EMSC is listing 36 events and GFZ Potsdam is listing 35 events. You can view each of these listings below. There were 2 active category force storms during the week of the repot. Max 4 actively erupting volcanoes over and above the 17 always erupting.
Using converted magnitudes (mb to Mw etc) USGS converts to 69 events and EMSC converts to 82 events. Potsdam events cannot normally be converted as the scale is not known.

Earthquakes for w/e 20 December 2013

Full details of Mag 6+ earthquakes can be found here but the block details of USGS provided M6+ are shown below.

The listings for each of the main global providers is shown below. All times are in Universal Coordinated Time (UTC) 29 events from USGS (See expanded details if any for links to USGS or in line links for Quake Watch or Google location map)

Date/Time UTC,Latitude,Longitude,Magnitude,Depth(Km),Location
2013-12-20 21:10, 4.242, 96.2285, 5.1 mb, 90.2, Nthn Sumatra. Ind. (706) {Map}
2013-12-20 18:46, 0.4615, 125.3838, 5.3 mwb, 41.6, Nthn Molucca Sea (266) {Map}
2013-12-20 17:51, 10.3941, 141.9426, 5.0 mb, 38.4, W. Caroline Isls. Micronesia (209) {Map}
2013-12-20 16:10, 35.8344, 140.0448, 5.3 mb, 67.7, Nr. E. Cst Of Honshu. Japan (228) {Map}
2013-12-20 11:59, -23.9833, 169.2729, 5.0 mb, 37.6, Se Of Loyalty Isls (189) {Map}
2013-12-19 21:34, -6.9364, 128.2898, 5.6 mb, 19.5, Banda Sea (280) {Map}
2013-12-19 19:28, 27.4973, 67.4741, 5.6 mb, 5.9, Pakistan (710) {Map}
2013-12-18 15:18, -6.8482, 128.3198, 5.0 mb, 45.1, Banda Sea (280) {Map}
2013-12-18 12:54, 30.2061, 138.5828, 5.2 mb, 425.8, Se Of Honshu. Japan (211) {Map}
2013-12-18 10:01, 48.8307, 154.9771, 5.4 mb, 41.2, Kuril Isls (221) {Map}
2013-12-18 03:15, -11.1103, 166.0714, 5.1 mb, 38.2, Santa Cruz Isls (184) {Map}
2013-12-18 00:33, 20.7833, 146.7375, 5.0 mb, 10.0, Mariana Isls Rgn (215) {Map}
2013-12-17 23:38, 20.7635, 146.7599, 6.2 mww, 16.1, Mariana Isls Rgn (215) {Map}
2013-12-17 22:43, 3.4235, 126.9999, 5.1 mb, 35.0, Talaud Isls. Ind. (263) {Map}
2013-12-17 17:02, -20.7207, -178.6849, 5.7 mwb, 603.9, Fiji Isls Rgn (181) {Map}
2013-12-17 14:16, -10.306, 161.1394, 5.2 mb, 101.6, Solomon Isls (193) {Map}
2013-12-17 13:49, 75.8924, 7.1836, 5.1 mb, 10.0, Greenland Sea (640) {Map}
2013-12-17 12:30, -25.7101, -70.4727, 5.7 mb, 66.3, Nr. Coast Of Nthn Chile (122) {Map}
2013-12-16 22:04, -55.5044, -32.5242, 5.2 mb, 15.0, South Georgia Isl Rgn (151) {Map}
2013-12-16 12:28, -47.1861, -13.4304, 5.2 mb, 10.0, Sthn Mid-Atlantic Ridge (410) {Map}
2013-12-16 12:07, -46.0993, 165.9415, 5.6 mwb, 11.0, Off W. Coast Of S. Isl. N.Z. (161) {Map}
2013-12-16 09:03, -6.7559, 102.6187, 5.0 mb, 34.4, Sw Of Sumatra. Ind. (273) {Map}
2013-12-16 05:04, 31.0437, 110.3937, 5.0 mb, 14.7, Seern China (664) {Map}
2013-12-16 01:38, -15.8149, 167.4968, 5.1 mb, 70.7, Vanuatu Isls (186) {Map}
2013-12-15 12:55, -7.2759, -76.7646, 5.2 mb, 61.8, Nthn Peru (111) {Map}
2013-12-15 03:07, 53.8233, 160.6048, 5.0 mb, 52.7, Nr. E. Cst Of Kamchatka (218) {Map}
2013-12-14 14:19, -41.4594, -86.8219, 5.1 mb, 10.0, W. Chile Rise (686) {Map}
2013-12-14 04:06, 35.621, 140.6862, 5.4 mb, 36.0, Nr. E. Cst Of Honshu. Japan (228) {Map}
2013-12-14 01:41, -2.8772, -80.5965, 5.0 mb, 35.7, Nr. Coast Of Ecuador (105) {Map}

Mag 6+ events brief details

Magnitude 6.2 Mariana Isls Region

World GlobeTuesday, December 17, 2013 @ 23:38:08 UTC
<a href="Location in IRIS Earthquake Browser“>Location in IRIS Earthquake Browser

  • Location: 20.764°N,  146.760°E
  • Depth: 16.1 km
  • Region: Mariana Isls Region

  • Distances:
    • 195km (121mi) E of Farallon de Pajaros, Northern Mariana Isls
    • 623km (387mi) N of Saipan, Northern Mariana Isls
    • 624km (387mi) N of Northern Isls Municipality – Mayor’s Office, Northern Mariana Isls
    • 652km (405mi) N of JP Tinian Town pre-WW2, Northern Mariana Isls
    • 824km (512mi) NNE of Yigo Village, Guam
  • Event ID: usc000lmmc

All earthquakes in the list and the expanded details (if any) above, are sourced from USGS Links go to the USGS web site but if you are viewing this more than 30 days after the event the web page will not be available unless it was a significant quake.

36 events from EMSC

Date/Time UTC,Latitude,Longitude,Magnitude,Depth(Km),Location
2013-12-20 21:10, 4.2753, 96.2459, 5.2 mb, 83.0, Nthn Sumatra Ind. {Map}
2013-12-20 18:46, 0.4898, 125.4232, 5.2 mb, 50.0, Molucca Sea {Map}
2013-12-20 17:51, 10.6711, 141.8971, 5.0 mb, 10.0, State Of Yap Micronesia {Map}
2013-12-20 16:10, 35.8446, 140.1519, 5.4 mb, 68.0, Nr. E. Cst Of Honshu Japan {Map}
2013-12-20 11:59, -24.0158, 169.3593, 5.3 mb, 40.0, Se Of Loyalty Isls {Map}
2013-12-19 21:34, -6.9246, 128.3627, 5.5 Mw, 20.0, Banda Sea {Map}
2013-12-19 19:28, 27.5779, 67.4889, 5.4 Mw, 10.0, Pakistan {Map}
2013-12-19 04:25, 39.5156, 143.5143, 5.0 mb, 10.0, Off E. Cst Of Honshu Japan {Map}
2013-12-18 15:18, -6.8807, 128.3855, 5.1 mb, 25.0, Banda Sea {Map}
2013-12-18 12:54, 30.2578, 138.5917, 5.1 Mw, 430.0, Izu Isls Japan Rgn {Map}
2013-12-18 10:01, 48.8725, 154.9509, 5.3 Mw, 45.0, Kuril Isls {Map}
2013-12-18 08:22, 75.8734, 7.3979, 5.2 Mw, 2.0, Greenland Sea {Map}
2013-12-18 05:27, -6.5748, 129.9755, 5.0 mb, 169.0, Banda Sea {Map}
2013-12-18 03:15, -11.0919, 166.1551, 5.1 mb, 30.0, Santa Cruz Isls {Map}
2013-12-18 00:33, 20.8217, 146.7265, 5.0 mb, 10.0, Mariana Isls Rgn {Map}
2013-12-17 23:38, 20.7813, 146.7678, 6.3 Mw, 10.0, Mariana Isls Rgn {Map}
2013-12-17 23:22, -32.564, -178.1177, 5.1 mb, 2.0, South Of Kermadec Isls {Map}
2013-12-17 17:02, -20.758, -178.6823, 5.7 Mw, 584.0, Fiji Rgn {Map}
2013-12-17 14:16, -10.2498, 161.2364, 5.1 Mw, 96.0, Solomon Isls {Map}
2013-12-17 13:49, 75.9174, 7.0659, 5.3 Mw, 2.0, Greenland Sea {Map}
2013-12-17 12:30, -25.64, -70.4556, 5.5 Mw, 62.0, Antofagasta Chile {Map}
2013-12-16 22:04, -55.6947, -32.5264, 5.0 mb, 10.0, South Georgia Isl Rgn {Map}
2013-12-16 12:28, -47.2188, -13.4375, 5.3 Mw, 10.0, Sthn Mid Atlantic Ridge {Map}
2013-12-16 12:07, -46.1456, 166.0214, 5.7 Mw, 10.0, Off W. Coast Of S. Isl N.Z. {Map}
2013-12-16 09:03, -6.7489, 102.6018, 5.1 mb, 20.0, Sw Of Sumatra Ind. {Map}
2013-12-16 07:06, 35.508, -6.9533, 5.0 mb, 30.0, Strait Of Gibraltar {Map}
2013-12-16 06:31, -20.4205, -177.896, 5.0 mb, 541.0, Fiji Rgn {Map}
2013-12-16 05:04, 31.1594, 110.475, 5.2 mb, 10.0, Hubei China {Map}
2013-12-16 04:11, -58.8192, 149.1047, 5.6 Mw, 10.0, W. Of Macquarie Isl {Map}
2013-12-16 01:38, -15.8717, 167.496, 5.1 mb, 80.0, Vanuatu {Map}
2013-12-15 22:17, -17.1945, 168.518, 5.0 mb, 223.0, Vanuatu {Map}
2013-12-15 12:55, -7.2884, -76.7323, 5.2 mb, 62.0, Nthn Peru {Map}
2013-12-15 03:07, 53.8471, 160.4674, 5.0 mb, 49.0, Nr. E. Cst Of Kamchatka {Map}
2013-12-14 14:19, -41.3569, -87.1158, 5.1 mb, 10.0, W. Chile Rise {Map}
2013-12-14 04:06, 35.5625, 140.6591, 5.4 mb, 44.0, Nr. E. Cst Of Honshu Japan {Map}
2013-12-14 01:41, -2.8175, -80.58, 5.0 mb, 40.0, Nr. Coast Of Ecuador {Map}

All earthquakes in the above list are sourced from EMSC. Magnitude 6 and upwards events link directly to the EMSC web site for the event.

35 events from GFZ Potsdam

Date/Time UTC,Latitude,Longitude,Magnitude,Depth(Km),Location
2013-12-20 21:10, 4.21, 96.24, 5.0 M, 84.0, Nthn Sumatra. Ind. {Map}
2013-12-20 18:46, 0.47, 125.43, 5.0 M, 64.0, Nthn Molucca Sea {Map}
2013-12-20 16:10, 35.8, 140, 5.4 M, 70.0, Nr. E. Cst Of Honshu. Japan {Map}
2013-12-20 11:58, -23.93, 169.42, 5.0 M, 18.0, Se Of Loyalty Isls {Map}
2013-12-20 05:27, 31.23, -115.85, 5.1 M, 10.0, Baja California. Mexico {Map}
2013-12-20 03:04, 14.23, 93.08, 5.2 M, 34.0, Andaman Isls. India Rgn {Map}
2013-12-19 21:34, -6.92, 128.37, 5.5 M, 22.0, Banda Sea {Map}
2013-12-19 19:28, 27.55, 67.47, 5.3 M, 10.0, Pakistan {Map}
2013-12-18 15:18, -6.93, 128.42, 5.0 M, 24.0, Banda Sea {Map}
2013-12-18 12:54, 30.21, 138.59, 5.1 M, 431.0, Se Of Honshu. Japan {Map}
2013-12-18 10:01, 48.81, 155.08, 5.3 M, 46.0, Kuril Isls {Map}
2013-12-18 08:22, 76.03, 7.18, 5.2 M, 10.0, Svalbard Rgn {Map}
2013-12-18 03:15, -11, 166.01, 5.2 M, 10.0, Santa Cruz Isls {Map}
2013-12-18 00:33, 20.83, 146.87, 5.3 M, 10.0, Mariana Isls Rgn {Map}
2013-12-17 23:38, 20.87, 146.89, 6.2 M, 10.0, Mariana Isls Rgn {Map}
2013-12-17 23:22, -32.63, -177.08, 5.2 M, 10.0, South Of Kermadec Isls {Map}
2013-12-17 22:43, 3.68, 127.16, 5.2 M, 18.0, Talaud Isls. Ind. {Map}
2013-12-17 17:13, 43.15, 146.17, 5.1 M, 71.0, Kuril Isls {Map}
2013-12-17 17:02, -20.72, -178.79, 5.6 M, 606.0, Fiji Isls Rgn {Map}
2013-12-17 14:16, -10.28, 161.18, 5.1 M, 102.0, Solomon Isls {Map}
2013-12-17 13:49, 75.96, 6.97, 5.3 M, 10.0, Greenland Sea {Map}
2013-12-17 12:30, -25.66, -70.35, 5.5 M, 65.0, Nr. Coast Of Nthn Chile {Map}
2013-12-16 22:04, -55.72, -32.51, 5.1 M, 10.0, South Georgia Isl Rgn {Map}
2013-12-16 12:28, -47.2, -13.45, 5.3 M, 10.0, Sthn Mid Atlantic Ridge {Map}
2013-12-16 12:07, -46.18, 166.1, 5.6 M, 20.0, Off W. Coast Of S. Isl. N.Z. {Map}
2013-12-16 06:31, -20.33, -178.02, 5.0 M, 543.0, Fiji Isls Rgn {Map}
2013-12-16 05:04, 31.08, 110.47, 5.1 M, 10.0, Seern China {Map}
2013-12-16 04:11, -58.84, 149.29, 5.6 M, 15.0, W. Of Macquarie Isl {Map}
2013-12-15 22:17, -17.21, 168.52, 5.1 M, 220.0, Vanuatu Isls {Map}
2013-12-15 17:17, 43.19, 144.95, 5.0 M, 78.0, Hokkaido. Japan Rgn {Map}
2013-12-15 12:55, -7.23, -76.68, 5.0 M, 61.0, Nthn Peru {Map}
2013-12-15 03:07, 53.81, 160.46, 5.2 M, 33.0, Nr. E. Cst Of Kamchatka {Map}
2013-12-14 14:19, -41.38, -87.02, 5.3 M, 10.0, W. Chile Rise {Map}
2013-12-14 04:06, 35.51, 140.55, 5.5 M, 53.0, Nr. E. Cst Of Honshu. Japan {Map}
2013-12-14 01:41, -2.82, -80.55, 5.0 M, 52.0, Nr. Coast Of Ecuador {Map}

All earthquakes in the above list are sourced from GFZ Potsdam Links on Mag 6 and greater go direct to the GFZ Potsdam web page for the event.

All Magnitudes trend 5+

AllMagnitudes_20131220-revised(USGS published values. Click the Image for a larger/clearer version)

Mag 5.0 to 5.9 magnitudes trend.

M5_Mags_20131220
(USGS converted values. Click the Image for a larger/clearer version)

Mag 5.0 to 5.9 published magnitudes this week

M5_MagsCW_Published_20131220
(USGS published values. Click the Image for a larger/clearer version)

Mag 5.0 to 5.9 converted magnitudes this week

M5_MagsCW_Converted_20131220
(USGS converted values. Click the Image for a larger/clearer version)

Mag 5.0 published/converted comparison

M5CtoPDifference_20131220
(Click the Image for a larger/clearer version)

Mag 6.0 to 6.9 magnitudes trend.
M6_Mags_20131220
(USGS published values. Click the Image for a larger/clearer version)

Peaks of Inactivity M6

Shows the days in between Mag 6 band events. Days where a Mag 6 earthquake occurs are zero on the chart.

M6Inactivity_20131220
(USGS published values. Click the Image for a larger/clearer version)

M6Inactivity-104wks_20131220
(USGS published values. Click the Image for a larger/clearer version)

Mag 7.0 to 7.9 magnitudes trend.

M7_Mags_20131220
(USGS published values. Click the Image for a larger/clearer version)

Peaks of Inactivity M7

Shows the days in between Mag 7 band events. Days where a Mag 7 earthquake occurs are zero on the chart.

M7Inactivity_20131220
(USGS published values. Click the Image for a larger/clearer version)

Mag 8.0+ magnitudes trend

M8_Mags_20131220
(USGS published values. Click the Image for a larger/clearer version)

Earthquake Statistics

QuakeStats_20131220
(Click the Image for a larger/clearer version)
(See explanation here.)

Rolling 52 Week M5 Counts and Energy(USGS Published & Calculated)

QS_M5_RollingCE_20131220

Rolling 52 Week M6 Counts and Energy(USGS Published)

QS_M6_RollingCE_20131220

Rolling 52 Week M7 Counts and Energy(USGS Published)

QS_M7_RollingCE_20131220

Rolling 52 Week M8 Counts and Energy(USGS Published)

QS_M8_RollingCE_20131220

Rolling Global Counts -v- Energy(USGS Published)
RollingGlobalCount-v-Energy_20131220

Global Single Magnitude Equivalent

This represents the total energy output of Mag 5+ Published USGS earthquakes, in a rolling 52 week period, summed and converted back to an approximate single magnitude value, i.e. the magnitude of a quake of comparable energy value.
SingleMagnitudeGlobal_20131220
(Click the Image for a larger/clearer version)

Global Single Magnitude Equivalents By Mag Band

SMGlobal_M5-6-7_20131220


Volcanoes

Volcano information gathered from various sources, including the Smithsonian Weekly Volcanic Activity Report from which confirmation of reports is taken. A volcano is only included in the listing if there is significant ash above 1km height (white/steam clouds are not counted) or there is a significant lava flow. Crater incandescence, unless accompanied by the either of the preceding does qualify as an eruption.

Volcano Chart

Volcanoes_20131220
(Click the Image for a larger/clearer version)

Volcanoes erupting this week contributing to the chart.

Dukono (Halmahera Indonesia)
Etna (Sicily Italy)
Shiveluch (Kamchatka. Russia)
Sinabung (Indonesia)

KVERT web page: Kamchatka and the Northern Kuriles volcanoes: Erupting or Restless

Volcanic Ash Advisory Centre advisories

Anchorage VAAC
Australian VAAC
Buenos Aires VAAC
London VAAC
Montréal VAAC
Tokyo VAAC
Toulouse VAAC
Washington VAAC
Wellington VAAC

Aviation Colour Codes


Category 1+ storms

Cat 1+ Storms Chart
CFStorms_ByDuration_20131220
(Click the Image for a larger/clearer version)

There were 2 storms active during the week of the report

AMARA Cyclone-4

AMARA-track_2013-12-20

Date: 16-23 DEC 2013
Cyclone-4 AMARA
ADV  LAT    LON      TIME     WIND  PR  STAT
  1 -15.80   72.10 12/16/18Z   35     - TROPICAL STORM
  2 -15.60   72.20 12/17/06Z   35     - TROPICAL STORM
  3 -16.10   71.40 12/17/18Z   50     - TROPICAL STORM
  4 -16.00   70.80 12/18/06Z   80     - CYCLONE-1
  5 -16.80   69.90 12/18/18Z  100     - CYCLONE-3
  6 -17.40   68.30 12/19/06Z  105     - CYCLONE-3
 6A -17.20   68.30 12/19/06Z  105     - CYCLONE-3
  7 -18.00   66.60 12/19/18Z  105     - CYCLONE-3
  8 -18.30   65.30 12/20/06Z  110     - CYCLONE-3
  9 -19.10   64.30 12/20/18Z  115     - CYCLONE-4
 10 -20.10   64.20 12/21/06Z  130     - CYCLONE-4
 11 -21.20   65.60 12/21/18Z  120     - CYCLONE-4
 12 -22.10   66.80 12/22/06Z   90     - CYCLONE-2
 13 -22.80   68.00 12/22/18Z   60     - TROPICAL STORM
 14 -22.90   68.20 12/23/06Z   40     - TROPICAL STORM
 15 -22.80   68.70 12/23/12Z   35     - TROPICAL STORM

BRUCE Cyclone-5

BRUCE-track_2013-12-20

Date: 17-24 DEC 2013
Cyclone-5 BRUCE
ADV  LAT    LON      TIME     WIND  PR  STAT
  1  -9.60   96.80 12/17/18Z   35     - TROPICAL STORM
  2 -10.90   95.50 12/18/06Z   50     - TROPICAL STORM
  3 -11.60   94.10 12/18/18Z   60     - TROPICAL STORM
  4 -12.20   92.10 12/19/06Z   75     - CYCLONE-1
  5 -12.60   91.20 12/19/12Z   90     - CYCLONE-2
  6 -13.30   89.70 12/20/00Z  110     - CYCLONE-3
  7 -13.80   87.50 12/20/12Z  125     - CYCLONE-4
  8 -14.50   85.00 12/21/00Z  135     - CYCLONE-4
  9 -15.60   82.30 12/21/12Z  135     - CYCLONE-4
 10 -16.90   80.00 12/22/00Z  140     - CYCLONE-5
 11 -19.00   78.10 12/22/12Z  110     - CYCLONE-3
 12 -21.60   77.70 12/23/00Z  105     - CYCLONE-3
 13 -24.50   78.30 12/23/12Z   80     - CYCLONE-1
 14 -28.40   79.20 12/24/00Z   65     - CYCLONE-1

Chart by daily category attaiment
CFStorms_ByDay_20131220
(Click the Image for a larger/clearer version)

Comparison of daily category attaiment and duration ctaegory attaiment
CFStorms_Dur-Day-Compare_20131220
(Click the Image for a larger/clearer version)

Data courtesy of Unisys Weather

The category force storms contributing to the rolling calendar year chart are:

Cyclone 3 FREDA 28/12/2012 02/01/2013
Cyclone 1 DUMILE 01/01/2013 05/01/2013
Cyclone 4 NARELLE 07/01/2013 14/01/2013
Cyclone 2 GARRY 20/01/2013 27/01/2013
Cyclone 4 FELLENG 26/01/2013 03/02/2013
Cyclone 2 GINO 11/02/2013 15/02/2013
Cyclone 3 HARUNA 19/02/2013 25/02/2013
Cyclone 2 RUSTY 24/02/2013 27/02/2013
Cyclone 3 SANDRA 07/03/2013 14/03/2013
Cyclone 2 IMELDA 06/04/2013 16/04/2013
Cyclone 1 VICTORIA 09/04/2013 12/04/2013
Hurricane 1 BARBARA 28/05/2013 30/05/2013
Hurricane 1 COSME 23/06/2013 27/06/2013
Typhoon 1 RUMBIA 28/06/2013 02/07/2013
Hurricane 1 DALILA 30/06/2013 07/07/2013
Hurricane 1 ERICK 04/07/2013 09/07/2013
Typhoon 4 SOULIK 07/07/2013 13/07/2013
Hurricane 1 GIL 30/07/2013 07/08/2013
Hurricane 2 HENRIETTE 03/08/2013 11/08/2013
Typhoon 4 UTOR 08/08/2013 14/08/2013
Typhoon 1 TRAMI 17/08/2013 21/08/2013
Typhoon 1 PEWA 18/08/2013 25/08/2013
Hurricane 1 HUMBERTO 08/09/2013 19/09/2013
Hurricane 1 INGRID 12/09/2013 17/09/2013
Hurricane 1 MANUEL 13/09/2013 20/09/2013
Super Typhoon 5 USAGI 16/09/2013 22/09/2013
Typhoon 2 PABUK 21/09/2013 26/09/2013
Typhoon 2 WUTIP 26/09/2013 30/09/2013
Typhoon 2 FITOW 30/09/2013 06/10/2013
Typhoon 4 DANAS 03/10/2013 08/10/2013
Typhoon 3 NARI 09/10/2013 15/10/2013
Cyclone 5 PHAILIN 09/10/2013 12/10/2013
Typhoon 4 WIPHA 10/10/2013 15/10/2013
Super Typhoon 5 FRANCISCO 16/10/2013 25/10/2013
Hurricane 3 RAYMOND 20/10/2013 30/10/2013
Typhoon 4 LEKIMA 20/10/2013 22/10/2013
Typhoon 3 KROSA 29/10/2013 04/11/2013
Super Typhoon 5 HAIYAN 03/11/2013 11/11/2013
Cyclone 1 LEHAR 23/11/2013 28/11/2013
Cyclone 1 MADI 06/12/2013 12/12/2013
Cyclone 4 AMARA 16/12/2013 23/12/2013
Cyclone 5 BRUCE 17/12/2013 24/12/2013

Solar Flux and Other Indices

SFU/AP Chart

SFU-APIndices_20131220
(Click the Image for a larger/clearer version)

KP Indices (Musical Chart)

ql_kp_musicmth_20131227
Source of this image


That concludes the report of the week ending 20 December 2013.

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About PuterMan

A retired programmer.
This entry was posted in AP Index, Category Force Storms, Earthquake, Hurricanes, nanoTeslas, Reports, Science and technology, Solar Flux Units, Volcano, Weekly Geophysical Reports and tagged , , , , , , , , , , , . Bookmark the permalink.

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