Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 04-03-2013 and time 06:00:00 (Italy) in region 1 km SE Gorgonzola (MI)

A magnitude ML 1.6 earthquake occured in region: 1 km SE Gorgonzola (MI), on

  • 04-03-2013 05:00:00 (UTC)
  • 04-03-2013 06:00:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.5250, 9.4200 at 46 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Gorgonzola MI 1 20233 20233
Bellinzago Lombardo MI 3 3836 24069
Pozzuolo Martesana MI 3 8458 32527
Melzo MI 3 18710 51237
Pessano con Bornago MI 4 9109 60346
Gessate MI 4 8872 69218
Bussero MI 4 8582 77800
Cassina de' Pecchi MI 4 13652 91452
Vignate MI 5 9310 100762
Liscate MI 5 4095 104857
Inzago MI 5 10927 115784
Cambiago MI 6 6843 122627
Caponago MB 6 5245 127872
Truccazzano MI 6 6000 133872
Masate MI 6 3530 137402
Cernusco sul Naviglio MI 7 33436 170838
Cavenago di Brianza MB 7 7261 178099
Basiano MI 7 3650 181749
Carugate MI 7 15146 196895
Rodano MI 7 4646 201541
Pioltello MI 8 36912 238453
Agrate Brianza MB 8 15426 253879
Cassano d'Adda MI 8 18880 272759
Settala MI 8 7430 280189
Ornago MB 8 4931 285120
Pozzo d'Adda MI 8 6032 291152
Burago di Molgora MB 9 4273 295425
Trezzano Rosa MI 9 5141 300566
Fara Gera d'Adda BG 9 7979 308545
Roncello MB 10 4431 312976
Rivolta d'Adda CR 10 8114 321090
Grezzago MI 10 3030 324120
Concorezzo MB 10 15631 339751
Brugherio MB 10 34255 374006
Comazzo LO 10 2244 376250
Merlino LO 10 1777 378027
Vimodrone MI 10 17028 395055
Segrate MI 11 35037 430092
Bellusco MB 11 7354 437446
Vaprio d'Adda MI 11 8808 446254
Pantigliate MI 11 6064 452318
Vimercate MB 11 25938 478256
Busnago MB 11 6750 485006
Canonica d'Adda BG 11 4474 489480
Cologno Monzese MI 11 47971 537451
Mezzago MB 12 4408 541859
Paullo MI 12 11455 553314
Casirate d'Adda BG 12 4115 557429
Sulbiate MB 12 4186 561615
Arzago d'Adda BG 12 2718 564333
Trezzo sull'Adda MI 12 12063 576396
Zelo Buon Persico LO 13 7240 583636
Pontirolo Nuovo BG 13 4974 588610
Capriate San Gervasio BG 13 8066 596676
Villasanta MB 13 13894 610570
Aicurzio MB 13 2101 612671
Monza MB 13 122671 735342
Peschiera Borromeo MI 13 23397 758739
Treviglio BG 14 29706 788445
Brembate BG 14 8616 797061
Arcore MB 14 17874 814935
Tribiano MI 14 3515 818450
Agnadello CR 14 3845 822295
Bernareggio MB 14 10992 833287
Calvenzano BG 14 4188 837475
Cornate d'Adda MB 14 10648 848123
Sesto San Giovanni MI 14 81608 929731
Carnate MB 15 7280 937011
Bottanuco BG 15 5148 942159
Vedano al Lambro MB 15 7587 949746
Usmate Velate MB 15 10205 959951
Spino d'Adda CR 15 6895 966846
Boltiere BG 15 6013 972859
Mediglia MI 16 12215 985074
Ciserano BG 16 5769 990843
Vailate CR 16 4596 995439
Verderio LC 16 5729 1001168
Ronco Briantino MB 16 3456 1004624
Biassono MB 16 12091 1016715
Arcene BG 16 4811 1021526
Lomagna LC 16 4935 1026461
Castel Rozzone BG 16 2916 1029377
Filago BG 16 3218 1032595
Camparada MB 16 2049 1034644
Lesmo MB 16 8505 1043149
Suisio BG 16 3846 1046995
Cinisello Balsamo MI 17 75078 1122073
Colturano MI 17 2100 1124173
Muggiò MB 17 23403 1147576
Pandino CR 17 9024 1156600
Cervignano d'Adda LO 17 2182 1158782
Lissone MB 17 44923 1203705
San Donato Milanese MI 17 32492 1236197
Misano di Gera d'Adda BG 17 2964 1239161
Osio Sotto BG 17 12443 1251604
Mulazzano LO 17 5758 1257362
Osnago LC 17 4806 1262168
San Giuliano Milanese MI 17 38226 1300394
Dresano MI 17 3059 1303453
Macherio MB 17 7449 1310902
Madone BG 18 3959 1314861
Medolago BG 18 2332 1317193
Paderno d'Adda LC 18 3907 1321100
Caravaggio BG 18 16049 1337149
Lurano BG 18 2792 1339941
Verdellino BG 18 7663 1347604
Chignolo d'Isola BG 18 3335 1350939
Osio Sopra BG 18 5235 1356174
Brignano Gera d'Adda BG 18 6031 1362205
Solza BG 18 2079 1364284
Torlino Vimercati CR 18 469 1364753
Bresso MI 18 26263 1391016
Nova Milanese MB 18 23292 1414308
Correzzana MB 18 2941 1417249
Sovico MB 18 8393 1425642
Robbiate LC 18 6324 1431966
Galgagnano LO 19 1241 1433207
Pieranica CR 19 1162 1434369
Cernusco Lombardone LC 19 3876 1438245
Verdello BG 19 8018 1446263
Calusco d'Adda BG 19 8328 1454591
Pognano BG 19 1602 1456193
Cusano Milanino MI 19 18886 1475079
Milano MI 19 1345851 2820930
Albiate MB 19 6289 2827219
Quintano CR 19 945 2828164
Cormano MI 19 20118 2848282
Boffalora d'Adda LO 19 1747 2850029
Bonate Sotto BG 19 6670 2856699
Triuggio MB 19 8852 2865551
Palazzo Pignano CR 19 3800 2869351
Casalmaiocco LO 19 3159 2872510
Vizzolo Predabissi MI 19 3928 2876438
Merate LC 19 14852 2891290
Levate BG 20 3809 2895099
Capralba CR 20 2362 2897461
Desio MB 20 41865 2939326
Terno d'Isola BG 20 8014 2947340
Dalmine BG 20 23281 2970621
Pagazzano BG 20 2090 2972711
Melegnano MI 20 17716 2990427

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SE of Monza (122671 inhabitants)
14 Km E of Sesto San Giovanni (81608 inhabitants)
17 Km E of Cinisello Balsamo (75078 inhabitants)
19 Km E of Milano (1345851 inhabitants)
27 Km SW of Bergamo (119381 inhabitants)
30 Km E of Rho (50434 inhabitants)
40 Km E of Legnano (60262 inhabitants)
41 Km SE of Como (84495 inhabitants)
43 Km NE of Pavia (72576 inhabitants)
45 Km E of Busto Arsizio (83106 inhabitants)
49 Km E of Vigevano (63310 inhabitants)
51 Km E of Gallarate (53343 inhabitants)
57 Km SE of Varese (80799 inhabitants)
57 Km NW of Piacenza (102191 inhabitants)
62 Km W of Brescia (196480 inhabitants)
63 Km E of Novara (104380 inhabitants)
64 Km NW of Cremona (71901 inhabitants)
93 Km NE of Alessandria (93943 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 1.6 2013-03-04
05:00:00		 45.5248 9.4203 46 2015-01-20
11:23:56		 Bollettino Sismico Italiano INGV 3199701
Reviewed
Rev100 		ML 1.6 2013-03-04
05:00:00		 45.513 9.4088 50 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 3016581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-03-04 05:00:00 ± 0.15
Latitude 45.5248 ± 0.0117
Longitude 9.4203 ± 0.0141
Depth (km) 46 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 3199701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1339
Semi-minor axis of confidence ellipse (meter) 486
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 209
Circular confidence region, given by single value of horizontal uncertainty (meter) 1340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.13939
Epicentral distance of station farthest from the epicenter (degree) 1.61158
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 3199701
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 12:55:14

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 3016581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-03-04 05:10:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.SATI.HHZ. 2013-03-04T05:00:36.10 0.6 undecidable manual S 288 126.3735 96 0.68 36
GU.TRAV.HHZ. 2013-03-04T05:00:36.20 0.1 undecidable manual S 270 130.0698 95 -0.02 85
CH.FUSIO.HHZ. 2013-03-04T05:00:34.80 0.3 undecidable manual S 331 118.4925 96 1.05 46
IV.MABI.HHZ. 2013-03-04T05:00:29.80 0.3 undecidable manual S 55 103.0191 98 -0.63 59
IV.MAGA.HHZ. 2013-03-04T05:00:28.70 0.6 undecidable manual S 73 97.7244 99 -0.6 40
GU.REMY.HHZ. 2013-03-04T05:00:27.99 0.1 undecidable manual P 282 178.8876 93 0.67 60
IV.BOB.HHE. 2013-03-04T05:00:27.06 0.6 undecidable manual S 179 83.9493 101 0.68 40
GU.LSD.HHZ. 2013-03-04T05:00:26.02 0.3 undecidable manual P 268 177.8886 94 -1.19 35
GU.RSP.HHZ. 2013-03-04T05:00:25.42 0.1 undecidable manual P 257 173.1933 94 -1.2 48
IV.VARE.HHZ. 2013-03-04T05:00:22.40 0.6 undecidable manual S 307 63.0924 109 0.36 45
GU.SATI.HHZ. 2013-03-04T05:00:20.32 0.1 undecidable manual P 288 126.3735 96 -0.49 77
CH.FUSIO.HHZ. 2013-03-04T05:00:20.72 0.1 undecidable manual P 331 118.4925 96 0.88 67
GU.TRAV.HHZ. 2013-03-04T05:00:20.18 0.1 undecidable manual P 270 130.0698 95 -1.09 59
CH.MUGIO.HHZ. 2013-03-04T05:00:20.00 0.3 undecidable manual S 326 52.9026 116 0 74
CH.MMK.HHZ. 2013-03-04T05:00:20.71 0.1 undecidable manual P 298 126.873 96 -0.16 83
IV.MABI.HHZ. 2013-03-04T05:00:18.02 0.1 undecidable manual P 55 103.0191 98 0.09 88
IV.MAGA.HHZ. 2013-03-04T05:00:17.06 0.1 undecidable manual P 73 97.7244 99 -0.22 88
IV.CTL8.EHZ. 2013-03-04T05:00:17.90 0.3 undecidable manual S 136 38.3283 128 0.57 68
IV.BOB.HHE. 2013-03-04T05:00:16.09 0.3 undecidable manual P 179 83.9493 101 0.5 64
IV.MILN.HNE. 2013-03-04T05:00:14.42 0.3 undecidable manual S 251 15.4734 157 0.11 79
IV.VARE.HHZ. 2013-03-04T05:00:13.54 0.1 undecidable manual P 307 63.0924 109 0.45 88
IV.MERA.HNE. 2013-03-04T05:00:13.76 0.6 undecidable manual S 2 20.0688 -0.99 38
CH.MUGIO.HHZ. 2013-03-04T05:00:12.08 0.1 undecidable manual P 326 52.9026 116 0.17 96
IV.ORZI.HNE. 2013-03-04T05:00:11.06 0.3 undecidable manual P 108 41.8248 125 0.34 71
IV.CTL8.EHZ. 2013-03-04T05:00:10.48 0.1 undecidable manual P 136 38.3283 128 0.11 100
IV.MERA.HNE. 2013-03-04T05:00:08.38 0.1 undecidable manual P 2 20.0688 -0.5 95
IV.MILN.HNE. 2013-03-04T05:00:08.56 0.3 undecidable manual P 251 15.4734 157 -0.06 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CTL8.EHE. ML:1.8 0.0001245 1.16 AML other m 2013-03-04T05:00:19.31
IV.CTL8.EHN. ML:1.9 0.00016350000000000002 1.26 AML other m 2013-03-04T05:00:19.71
CH.FUSIO.HHE. ML:1.8 0.000041800000000000006 0.18 AML other m 2013-03-04T05:00:35.11
CH.FUSIO.HHN. ML:1.6 0.0000266 1.12 AML other m 2013-03-04T05:00:35.54
IV.MABI.HHE. ML:1.5 0.0000266 0.38 AML other m 2013-03-04T05:00:30.55
IV.MABI.HHN. ML:1.6 0.000030150000000000004 0.16 AML other m 2013-03-04T05:00:31.54
IV.MAGA.HHE. ML:1.9 0.00007185 0.62 AML other m 2013-03-04T05:00:29.93
IV.MAGA.HHN. ML:1.8 0.0000586 1.24 AML other m 2013-03-04T05:00:32.47
CH.MMK.HHE. ML:1.4 0.000017145 1.14 AML other m 2013-03-04T05:00:42.50
CH.MMK.HHN. ML:1.5 0.00001775 1.36 AML other m 2013-03-04T05:00:46.53
CH.MUGIO.HHN. ML:1.6 0.00006515 1.18 AML other m 2013-03-04T05:00:21.20
CH.MUGIO.HHE. ML:1.5 0.00005185 0.4 AML other m 2013-03-04T05:00:22.07
GU.SATI.HHN. ML:1.4 0.00001715 1.52 AML other m 2013-03-04T05:00:41.93
GU.SATI.HHE. ML:1.4 0.00001715 1.4 AML other m 2013-03-04T05:00:39.18
GU.TRAV.HHN. ML:1.7 0.00002885 0.28 AML other m 2013-03-04T05:00:45.74
GU.TRAV.HHE. ML:1.6 0.000024500000000000003 0.72 AML other m 2013-03-04T05:00:47.57
IV.VARE.HHN. ML:1.6 0.000054900000000000006 0.56 AML other m 2013-03-04T05:00:23.08
IV.VARE.HHE. ML:1.3 0.0000293 1.28 AML other m 2013-03-04T05:00:23.38
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download