Station TA T30A - Plains, KS, USA

Network: TA - USArray Transportable Network (new EarthScope stations)

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
T30A Plains, KS, USA (37.05, -100.53) 2009-04-09 / 2599-12-31 778 m
Crust2 Type:D5,thick Platform 2 km seds.
Thickness Estimate:46 km
Thickness StdDev:1.4 km
Vp/Vs Estimate:1.75
Vp/Vs StdDev:0.03
Vs Estimate:3.71 km/s
Poisson's Ratio:0.26
Peak Value:0.04
Assumed Vp:6.483 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.584
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

10 with match > 90% ( 9.174312 %) and 26 with match > 80% ( 23.85321 %) out of 109.

Download stack as xyz text file.

Azimuth Distribution of Events:

Prior Results for this Station

Study Thickness Vp/Vs Vp Vs Poissons Ratio Extra
EARS 46 km 1.75 6.483 km/s 3.71 km/s 0.26
Crust2.0 46 km 1.78 6.483 km/s 3.648 km/s 0.27 D5,thick Platform 2 km seds.
Global Maxima 46 km 1.75 6.483 km/s 3.71 km/s 0.26 amp=0.036718868
Local Maxima 1 38 km 1.98 6.483 km/s 3.27 km/s 0.33 amp=0.017796522
Local Maxima 2 41 km 1.84 6.483 km/s 3.518 km/s 0.29 amp=0.013437327
Local Maxima 3 32 km 2.05 6.483 km/s 3.166 km/s 0.34 amp=0.011023329
Local Maxima 4 25 km 2.06 6.483 km/s 3.151 km/s 0.35 amp=0.008988922
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps5.30 SECOND
PpPs19.50 SECOND
PsPs/PpSs24.80 SECOND

Events Processed for this Station

Download zip of receiver functions as SAC

View Record Section

Plot maxima for each earthquake.

Events Used in the Stack

(26 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
96.676865 85.1 deg 246.632 deg Samoa Islands Region 2009/09/29 17:48:10 GMT (-15.5, -172.1) 18 km 7.1 MB, 8.1 MS, 8.1 MW, 8.0 MW
96.57571 75.8 deg 155.842 deg Near Coast Of Central Chile 2010/03/11 14:39:43 GMT (-34.3, -71.9) 11 km 6.7 MB, 7.0 MS, 6.9 MW, 6.9 MW
95.54974 49.6 deg 311.849 deg Fox Islands, Aleutian Islands 2010/07/18 05:56:44 GMT (52.9, -169.8) 14 km 6.3 MB, 6.7 MS, 6.6 MW, 6.6 MW
95.197624 86.1 deg 315.429 deg Near East Coast Of Honshu, Japan 2011/03/11 11:00:52 GMT (37.7, 141.5) 42 km 5.6 MB
95.0614 79.1 deg 158.533 deg Near Coast Of Central Chile 2011/01/02 20:20:17 GMT (-38.4, -73.3) 24 km 6.6 MB, 7.1 MS, 7.1 MW, 7.0 MW
93.28401 58.1 deg 311.699 deg Rat Islands, Aleutian Islands 2009/07/06 14:53:12 GMT (50.4, 177.0) 22 km 6.0 MB, 5.8 MS, 6.1 MW, 6.0 MW
91.69871 38.2 deg 154.657 deg Off Coast Of Ecuador 2009/05/10 01:16:06 GMT (1.4, -85.2) 6.0 km 5.5 MB, 5.7 MS, 6.1 MW, 6.1 MW
91.37391 39.4 deg 123.389 deg Near Coast Of Venezuela 2009/09/12 20:06:24 GMT (10.7, -67.9) 10 km 6.3 MB, 6.4 MS, 6.3 MW, 6.3 MW
91.02612 58.5 deg 20.694 deg Norwegian Sea 2009/08/20 06:35:04 GMT (72.2, 0.9) 6.0 km 5.9 MB, 5.7 MS, 6.0 MW, 6.0 MW
90.35387 78.9 deg 158.412 deg Near Coast Of Central Chile 2010/07/14 08:32:21 GMT (-38.1, -73.3) 22 km 5.9 MB, 6.5 MS, 6.6 MW, 6.5 MW
89.70747 85.3 deg 247.132 deg Samoa Islands Region 2009/08/30 14:51:32 GMT (-15.2, -172.6) 11 km 6.4 MB, 6.3 MS, 6.6 MW, 6.6 MW
89.45696 91.4 deg 314.347 deg Near S. Coast Of Honshu, Japan 2009/08/09 10:55:55 GMT (33.2, 137.9) 297 km 6.5 MB, 7.1 MW, 7.1 MW
89.10721 84.2 deg 316.346 deg Near East Coast Of Honshu, Japan 2010/07/04 21:55:51 GMT (39.7, 142.4) 27 km 6.4 MB, 6.1 MS, 6.3 MW, 6.2 MW
88.33138 40.5 deg 10.616 deg Baffin Bay 2009/07/07 19:11:46 GMT (75.4, -72.5) 19 km 5.9 MB, 5.7 MS, 6.1 MW, 6.0 MW
88.091324 48.1 deg 89.825 deg Northern Mid-Atlantic Ridge 2009/06/06 20:33:28 GMT (23.9, -46.1) 14 km 6.0 MB, 5.7 MS, 6.0 MW, 6.0 MW
87.39353 47.1 deg 147.909 deg Northern Peru 2010/05/19 04:15:44 GMT (-5.1, -77.5) 140 km 6.0 MB, 6.0 MW, 6.0 MW
87.04355 66.9 deg 319.044 deg Off East Coast Of Kamchatka 2010/07/30 03:56:13 GMT (52.5, 159.8) 23 km 6.1 MB, 6.3 MS, 6.3 MW, 6.3 MW
86.971466 75.1 deg 316.706 deg Kuril Islands 2009/04/18 19:17:58 GMT (46.0, 151.4) 35 km 6.3 MB, 6.3 MS, 6.6 MW, 6.4 MW
86.787125 33.6 deg 139.065 deg Panama 2009/07/04 06:49:35 GMT (9.6, -79.0) 38 km 6.0 MB, 5.5 MS, 6.0 MW, 6.0 MW
86.21378 31.3 deg 147.973 deg Costa Rica 2010/05/20 22:16:30 GMT (9.2, -84.3) 21 km 5.6 MB, 5.6 MS, 5.9 MW, 5.9 MW
85.86001 84.8 deg 315.18 deg Near East Coast Of Honshu, Japan 2011/03/09 02:45:20 GMT (38.4, 142.8) 32 km 6.4 MB, 7.3 MS, 7.5 MW, 7.3 MW
83.85885 32.0 deg 151.268 deg Off Coast Of Costa Rica 2009/08/13 09:37:35 GMT (7.9, -85.6) 10 km 5.8 MW, 5.3 MB
82.93733 72.6 deg 145.335 deg Santiago Del Estero Prov., Arg. 2011/01/01 09:56:58 GMT (-26.8, -63.1) 577 km 6.8 MB, 7.0 MW, 7.0 MW
82.493744 77.2 deg 157.665 deg Near Coast Of Central Chile 2010/03/16 02:21:57 GMT (-36.2, -73.3) 18 km 6.0 MB, 6.7 MS, 6.7 MW, 6.6 MW
81.69862 79.8 deg 167.5 deg West Chile Rise 2009/06/10 23:13:21 GMT (-41.7, -84.0) 10 km 5.7 MB, 5.2 MS, 5.7 MW, 5.6 MW
81.12105 82.2 deg 317.318 deg Hokkaido, Japan Region 2009/06/05 03:30:33 GMT (41.8, 143.4) 29 km 6.0 MB, 6.3 MS, 6.4 MW, 6.4 MW

Losers

(83 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
82.22512 86.4 deg 313.738 deg Off East Coast Of Honshu, Japan 2011/03/11 07:33:33 GMT (36.3, 142.7) 35 km 5.7 MB
79.81772 39.4 deg 316.438 deg Kodiak Island Region, Alaska 2009/05/16 18:22:25 GMT (56.4, -152.4) 9.7 km 5.9 MS, 5.4 MB, 5.9 MW, 5.8 MW
79.794266 66.3 deg 147.375 deg Northern Chile 2010/03/04 22:39:26 GMT (-22.2, -68.3) 114 km 6.3 MB, 6.4 MW, 6.3 MW
79.68548 30.5 deg 147.146 deg Costa Rica 2010/10/09 01:54:04 GMT (10.2, -84.3) 91 km 5.5 MB, 5.8 MW, 5.8 MW
78.95947 70.4 deg 152.273 deg Near Coast Of Northern Chile 2010/03/26 14:52:07 GMT (-28.0, -70.8) 42 km 6.2 MB, 5.9 MS, 6.3 MW, 6.1 MW
78.687325 58.5 deg 145.723 deg Central Peru 2010/09/13 07:15:49 GMT (-14.6, -70.8) 180 km 5.6 MB, 5.9 MW, 5.8 MW
78.21352 91.9 deg 243.798 deg Tonga Islands Region 2011/01/31 06:03:27 GMT (-22.0, -175.6) 76 km 6.0 MB, 6.0 MW, 6.0 MW
77.83327 75.7 deg 157.458 deg Off Coast Of Central Chile 2010/10/21 02:49:56 GMT (-34.7, -73.7) 10 km 5.9 MB, 5.5 MS, 5.9 MW, 5.8 MW
77.45395 30.6 deg 119.821 deg Haiti Region 2010/01/20 11:03:43 GMT (18.4, -72.8) 10 km 5.9 MB, 5.8 MS, 5.9 MW, 5.9 MW
77.31979 85.9 deg 247.859 deg Tonga Islands 2010/07/25 03:39:17 GMT (-15.1, -173.5) 7.0 km 5.6 MB, 5.7 MS, 5.9 MW, 5.9 MW
77.096344 85.0 deg 314.612 deg Off East Coast Of Honshu, Japan 2011/03/11 06:46:31 GMT (38.0, 143.2) 31 km 5.9 MB
77.03443 86.7 deg 246.844 deg Tonga Islands 2009/10/02 01:07:39 GMT (-16.3, -173.5) 8.0 km 6.1 MB, 6.0 MS, 6.1 MW, 6.1 MW
76.919785 86.6 deg 314.596 deg Near East Coast Of Honshu, Japan 2011/03/11 07:28:12 GMT (36.8, 141.8) 28 km 6.1 MB
76.680824 88.0 deg 324.821 deg E. Russia-N.E. China Border Reg. 2010/02/18 01:13:19 GMT (42.6, 130.7) 578 km 6.3 MB, 6.9 MW, 6.9 MW
76.29028 85.2 deg 314.905 deg Off East Coast Of Honshu, Japan 2011/03/11 06:48:45 GMT (38.0, 142.7) 12 km 6.2 MB
76.21438 86.7 deg 314.466 deg Near East Coast Of Honshu, Japan 2011/03/11 11:16:50 GMT (36.6, 141.8) 37 km 5.5 MB
75.070465 85.2 deg 246.836 deg Samoa Islands Region 2009/10/19 22:49:38 GMT (-15.4, -172.3) 18 km 6.2 MB, 5.7 MS, 6.0 MW, 5.9 MW
74.73901 66.8 deg 191.169 deg Easter Island Region 2009/09/17 23:21:38 GMT (-29.1, -112.3) 10 km 5.7 MB, 6.0 MS, 6.2 MW, 6.2 MW
74.372955 52.5 deg 69.522 deg Azores Islands Region 2009/11/04 18:41:44 GMT (36.2, -33.9) 10 km 5.7 MB, 5.6 MS, 5.9 MW, 5.8 MW
73.181755 84.7 deg 315.804 deg Near East Coast Of Honshu, Japan 2011/03/11 07:04:16 GMT (39.0, 142.4) 24 km 5.8 MB
72.59872 72.2 deg 317.441 deg Kuril Islands 2009/09/10 02:46:50 GMT (48.3, 154.2) 36 km 6.0 MB, 5.5 MS, 6.0 MW, 5.8 MW
72.27275 59.8 deg 353.692 deg East Of Severnaya Zemlya 2009/10/07 20:52:13 GMT (81.6, 119.5) 8.0 km 5.7 MB, 5.1 MS, 5.8 MW, 5.8 MW
70.495346 87.6 deg 314.518 deg Near East Coast Of Honshu, Japan 2011/03/11 08:35:22 GMT (36.0, 141.0) 20 km 5.6 MB
69.805275 88.3 deg 316.71 deg Near West Coast Of Honshu, Japan 2011/03/11 18:59:16 GMT (37.0, 138.4) 9.3 km 6.1 MB, 6.1 MS, 6.3 MW, 6.2 MW
69.67554 86.9 deg 314.308 deg Near East Coast Of Honshu, Japan 2011/03/11 11:13:12 GMT (36.4, 141.8) 26 km 5.5 MB
69.27581 84.5 deg 315.967 deg Near East Coast Of Honshu, Japan 2011/03/11 11:36:40 GMT (39.2, 142.5) 26 km 6.5 MB, 6.6 MS
69.25825 83.8 deg 321.032 deg Eastern Sea Of Japan 2010/03/30 01:02:53 GMT (43.3, 138.4) 21 km 6.1 MB, 5.3 MS, 5.7 MW, 5.6 MW
68.91509 60.0 deg 144.766 deg Peru-Bolivia Border Region 2009/09/30 19:03:17 GMT (-15.6, -69.3) 255 km 5.9 MB, 5.8 MW
68.70194 87.0 deg 314.156 deg Near East Coast Of Honshu, Japan 2011/03/11 07:44:27 GMT (36.2, 141.8) 14 km 5.8 MB
68.69197 84.7 deg 315.879 deg Near East Coast Of Honshu, Japan 2011/03/11 07:29:01 GMT (39.0, 142.3) 45 km 6.3 MB
68.30129 85.9 deg 247.432 deg Tonga Islands 2009/10/01 06:13:32 GMT (-15.4, -173.3) 10 km 5.6 MB, 5.7 MS, 5.8 MW, 5.7 MW
67.69234 49.3 deg 311.488 deg Fox Islands, Aleutian Islands 2010/07/19 08:20:30 GMT (52.7, -169.3) 10 km 5.6 MW, 5.2 MS, 5.4 MB, 5.1 ML
67.64681 70.3 deg 319.29 deg Kuril Islands 2009/04/21 05:26:11 GMT (50.8, 155.0) 152 km 6.0 MB, 6.2 MW, 6.2 MW
67.06628 72.0 deg 148.772 deg Catamarca Province, Argentina 2009/08/12 18:00:52 GMT (-27.9, -66.7) 174 km 5.5 MW, 5.3 MB, 5.5 MW
66.84066 84.2 deg 315.818 deg Near East Coast Of Honshu, Japan 2011/03/11 19:02:59 GMT (39.3, 142.9) 27 km 6.1 MB, 6.2 MS, 6.0 MW
65.86721 89.6 deg 243.963 deg Tonga Islands 2010/10/16 20:08:30 GMT (-20.4, -173.8) 8.0 km 6.1 MB, 5.9 MS, 5.9 MW, 5.8 MW
65.77612 85.3 deg 314.414 deg Off East Coast Of Honshu, Japan 2011/03/11 11:21:29 GMT (37.5, 143.1) 35 km 5.8 MB
65.421295 66.5 deg 146.06 deg Chile-Bolivia Border Region 2009/07/14 18:38:08 GMT (-21.8, -67.1) 176 km 5.7 MW, 5.4 MB, 5.7 MW
65.27779 49.4 deg 311.515 deg Fox Islands, Aleutian Islands 2010/07/28 11:31:46 GMT (52.7, -169.4) 10 km 5.6 MW, 5.2 MS, 5.2 MB, 5.1 ML
65.22921 92.5 deg 306.834 deg Bonin Islands, Japan Region 2010/12/21 17:40:47 GMT (27.1, 143.2) 10 km 5.5 MB
64.96325 87.3 deg 314.077 deg Near East Coast Of Honshu, Japan 2011/03/11 09:37:04 GMT (35.9, 141.6) 5.8 km 5.5 MB
64.81163 77.5 deg 157.895 deg Near Coast Of Central Chile 2010/03/03 17:44:25 GMT (-36.6, -73.4) 20 km 5.6 MB, 5.9 MS, 6.1 MW, 6.1 MW
64.41928 85.9 deg 314.192 deg Off East Coast Of Honshu, Japan 2011/03/11 07:59:48 GMT (37.0, 142.8) 0.7 km 5.7 MB
63.68841 85.3 deg 315.069 deg Near East Coast Of Honshu, Japan 2011/03/11 12:12:54 GMT (38.1, 142.5) 35 km 5.9 MB
63.514423 85.5 deg 314.315 deg Off East Coast Of Honshu, Japan 2011/03/11 08:26:36 GMT (37.4, 143.0) 17 km 6.1 MB
63.16324 79.0 deg 158.412 deg Near Coast Of Central Chile 2010/07/14 15:05:50 GMT (-38.2, -73.2) 35 km 5.5 MS, 5.4 MB, 5.8 MW, 5.7 MW
62.617344 59.2 deg 145.471 deg Southern Peru 2009/09/05 03:58:39 GMT (-15.1, -70.2) 210 km 5.8 MW, 5.2 MB, 5.8 MW
62.16214 49.5 deg 311.752 deg Fox Islands, Aleutian Islands 2010/07/18 19:48:04 GMT (52.8, -169.7) 10 km 5.6 MB, 5.6 MS, 6.0 MW, 6.0 MW
62.153984 66.2 deg 319.946 deg Near East Coast Of Kamchatka 2010/08/15 02:10:38 GMT (53.6, 160.1) 40 km 5.5 MB, 4.9 MS, 5.5 MW, 5.4 MW
61.548336 34.0 deg 115.495 deg Mona Passage 2010/11/13 04:35:39 GMT (17.9, -68.5) 95 km 5.6 MB, 5.4 MW, 5.6 MW
60.990383 84.8 deg 315.727 deg Near East Coast Of Honshu, Japan 2009/06/23 07:37:17 GMT (38.8, 142.4) 37 km 5.7 MB, 5.0 MS, 5.6 MW, 5.6 MW
60.162712 85.0 deg 315.099 deg Near East Coast Of Honshu, Japan 2011/03/09 21:24:01 GMT (38.3, 142.8) 15 km 6.0 MB, 6.4 MS
59.493366 88.0 deg 314.172 deg Near East Coast Of Honshu, Japan 2009/06/06 05:52:43 GMT (35.5, 140.9) 34 km 5.8 MB, 5.4 MS, 5.8 MW, 5.7 MW
59.2455 93.4 deg 246.611 deg Fiji Islands Region 2010/08/16 19:35:49 GMT (-20.8, -178.8) 603 km 5.7 MB, 6.2 MW, 6.1 MW
59.213825 90.1 deg 243.876 deg Tonga Islands 2009/07/30 20:05:34 GMT (-20.8, -174.3) 10 km 5.9 MB, 5.7 MS, 5.8 MW, 5.7 MW
59.16468 87.7 deg 246.38 deg Tonga Islands 2010/09/04 08:52:04 GMT (-17.4, -174.0) 69 km 5.9 MB, 6.1 MW, 6.0 MW
59.1053 51.5 deg 146.258 deg Peru-Brazil Border Region 2010/01/25 22:52:46 GMT (-8.5, -74.5) 147 km 5.7 MB, 5.9 MW, 5.9 MW
58.85431 68.6 deg 146.981 deg Salta Province, Argentina 2010/07/26 17:31:31 GMT (-24.1, -66.8) 193 km 5.6 MW, 5.3 MB, 5.5 MW
58.77747 86.3 deg 315.438 deg Near East Coast Of Honshu, Japan 2010/03/13 12:46:26 GMT (37.6, 141.3) 77 km 5.7 MB, 5.6 MW, 5.5 MW
58.507378 56.7 deg 23.095 deg Jan Mayen Island Region 2011/01/29 06:55:26 GMT (70.9, -6.7) 6.0 km 6.1 MB, 6.1 MS, 6.2 MW, 6.2 MW
58.2823 61.1 deg 318.038 deg Komandorskiye Ostrova Region 2010/12/07 18:17:39 GMT (54.4, 169.1) 10 km 6.1 MB, 5.5 MS, 5.8 MW, 5.8 MW
57.26728 87.5 deg 313.913 deg Near East Coast Of Honshu, Japan 2011/03/11 15:22:27 GMT (35.6, 141.5) 35 km 5.5 MB
57.235466 87.9 deg 314.302 deg Near East Coast Of Honshu, Japan 2011/03/11 11:21:03 GMT (35.7, 140.9) 35 km 5.7 MB
57.090992 55.0 deg 311.457 deg Andreanof Islands, Aleutian Is. 2009/06/22 19:55:24 GMT (51.3, -178.2) 35 km 5.6 MB, 5.6 MW, 5.6 MW
57.038334 87.2 deg 313.689 deg Off East Coast Of Honshu, Japan 2011/03/11 11:58:54 GMT (35.8, 142.1) 35 km 5.6 MB
56.202484 88.0 deg 314.462 deg Near East Coast Of Honshu, Japan 2011/03/11 19:24:24 GMT (35.7, 140.7) 2.2 km 5.5 MB
55.948677 77.6 deg 157.769 deg Near Coast Of Central Chile 2011/02/13 10:35:06 GMT (-36.6, -73.2) 17 km 5.6 MB, 5.8 MS, 6.0 MW, 6.0 MW
55.63268 56.9 deg 313.349 deg Rat Islands, Aleutian Islands 2009/10/07 05:38:37 GMT (52.2, 178.1) 138 km 5.6 MB, 5.6 MW, 5.6 MW
55.61449 34.3 deg 147.137 deg South Of Panama 2009/10/22 00:51:39 GMT (6.7, -82.6) 18 km 5.5 MB, 5.4 MS, 5.9 MW, 5.9 MW
55.35918 83.2 deg 317.842 deg Hokkaido, Japan Region 2010/09/13 05:47:48 GMT (41.5, 142.0) 61 km 5.8 MB, 5.8 MW, 5.8 MW
53.15239 85.1 deg 314.38 deg Off East Coast Of Honshu, Japan 2011/03/11 09:09:14 GMT (37.7, 143.3) 39 km 5.5 MB
52.665928 85.2 deg 314.982 deg Near East Coast Of Honshu, Japan 2011/03/11 08:27:51 GMT (38.0, 142.7) 43 km 6.0 MB
52.661068 30.6 deg 119.823 deg Haiti Region 2010/01/12 22:00:41 GMT (18.4, -72.8) 10 km 6.0 MB
50.448425 68.0 deg 146.526 deg Jujuy Province, Argentina 2010/01/28 08:04:14 GMT (-23.4, -66.7) 208 km 5.8 MB, 5.9 MW, 5.9 MW
49.87421 74.6 deg 153.146 deg Mendoza Province, Argentina 2009/05/08 13:44:53 GMT (-32.1, -69.7) 112 km 5.6 MB, 5.4 MW
49.82591 87.9 deg 313.788 deg Near East Coast Of Honshu, Japan 2011/03/11 17:17:23 GMT (35.3, 141.4) 1.7 km 5.5 MB
48.96076 83.7 deg 314.885 deg Off East Coast Of Honshu, Japan 2011/03/11 13:43:09 GMT (39.0, 144.1) 25 km 5.7 MB
45.737854 77.3 deg 157.643 deg Near Coast Of Central Chile 2010/03/21 18:31:04 GMT (-36.3, -73.2) 36 km 5.6 MB, 5.1 MS, 5.5 MW, 5.5 MW
45.221165 97.3 deg 318.125 deg Kyushu, Japan 2009/09/03 13:26:18 GMT (31.1, 130.0) 166 km 5.9 MB, 6.2 MW, 6.2 MW
43.116455 76.3 deg 153.14 deg Mendoza Province, Argentina 2010/02/12 12:03:38 GMT (-33.6, -68.8) 148 km 5.6 MB, 5.8 MW, 5.8 MW
42.77761 86.9 deg 247.378 deg Tonga Islands 2010/09/16 01:54:40 GMT (-16.0, -174.0) 84 km 5.5 MB, 5.8 MW, 5.8 MW
40.05461 85.1 deg 313.566 deg Off East Coast Of Honshu, Japan 2011/03/11 14:27:57 GMT (37.1, 144.0) 21 km 5.5 MB
30.205755 85.1 deg 246.53 deg Samoa Islands Region 2009/09/29 18:08:21 GMT (-15.6, -172.0) 10 km 5.6 MB