Earthquake with magnitude of Md 2.6 on date 21-09-2003 and time 08:43:39 (Italy) in region 3 km SE Rimella (VC)

A magnitude Md 2.6 earthquake occured in region: 3 km SE Rimella (VC), on

  • 21-09-2003 06:43:39 (UTC)
  • 21-09-2003 08:43:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.891, 8.21 at 5 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Rimella VC 3 134 134
Cervatto VC 4 47 181
Fobello VC 4 196 377
Sabbia VC 4 58 435
Cravagliana VC 5 251 686
Vocca VC 7 174 860
Massiola VB 9 127 987
Rossa VC 9 180 1167
Varallo VC 9 7262 8429
Balmuccia VC 10 112 8541
Boccioleto VC 10 205 8746
Valstrona VB 10 1253 9999
Civiasco VC 11 263 10262
Bannio Anzino VB 12 475 10737
Rimasco VC 12 106 10843
Quarna Sotto VB 12 388 11231
Vanzone con San Carlo VB 13 407 11638
Carcoforo VC 13 78 11716
Loreglia VB 13 246 11962
Quarna Sopra VB 13 259 12221
Calasca-Castiglione VB 13 649 12870
Scopa VC 13 381 13251
Cesara VB 14 603 13854
Pieve Vergonte VB 14 2593 16447
Germagno VB 14 197 16644
Nonio VB 14 876 17520
Ceppo Morelli VB 14 321 17841
Rima San Giuseppe VC 15 59 17900
Vogogna VB 15 1731 19631
Arola VB 15 243 19874
Quarona VC 15 4158 24032
Anzola d'Ossola VB 15 427 24459
Premosello-Chiovenda VB 16 2035 26494
Omegna VB 16 15398 41892
Scopello VC 16 387 42279
Piedimulera VB 16 1528 43807
Breia VC 16 174 43981
Mollia VC 16 95 44076
Casale Corte Cerro VB 16 3461 47537
Madonna del Sasso VB 16 399 47936
Pila VC 17 142 48078
Cellio VC 17 810 48888
Pella NO 17 1011 49899
Campertogno VC 17 237 50136
Pettenasco NO 18 1380 51516
Pallanzeno VB 18 1133 52649
Gravellona Toce VB 18 7777 60426
Piode VC 18 202 60628
Ornavasso VB 18 3439 64067
Orta San Giulio NO 18 1185 65252
Borgomezzavalle VB 19 318 65570
San Maurizio d'Opaglio NO 19 3050 68620
Armeno NO 19 2167 70787
Postua VC 20 569 71356
Miasino NO 20 820 72176
Montescheno VB 20 413 72589
Borgosesia VC 20 12922 85511
Pogno NO 20 1479 86990

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km W of Varese (80799 inhabitants)
52 Km W of Gallarate (53343 inhabitants)
59 Km NW of Busto Arsizio (83106 inhabitants)
59 Km NW of Novara (104380 inhabitants)
64 Km NW of Legnano (60262 inhabitants)
68 Km W of Como (84495 inhabitants)
76 Km NW of Rho (50434 inhabitants)
81 Km NW of Vigevano (63310 inhabitants)
86 Km W of Cinisello Balsamo (75078 inhabitants)
89 Km W of Sesto San Giovanni (81608 inhabitants)
89 Km W of Monza (122671 inhabitants)
90 Km NW of Milano (1345851 inhabitants)
100 Km NE of Torino (890529 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
Md 2.6
ML-VAX 1.8
2003-09-21
06:43:39
45.891 8.21 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 486239
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-09-21 06:43:39 ± 0.183
Latitude 45.8910 ± 0.0163
Longitude 8.2100 ± 0.0141
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 486239

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 2116.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.01789
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 486239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:43:38

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 486239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BRMO.Z. 2003-09-21T06:44:30.36 10.0 undecidable manual SN 67 0.0144 0.67 0.2
--.IMI.Z. 2003-09-21T06:44:13.98 10.0 undecidable manual PN 186 0.0179 0.15 1
--.FIN.Z. 2003-09-21T06:44:10.27 10.0 undecidable manual PN 179 0.0151 0.69 0.5
--.BRMO.Z. 2003-09-21T06:44:08.97 10.0 undecidable manual PN 67 0.0144 0.43 0.9
--.BNI.Z. 2003-09-21T06:44:05.85 10.0 undecidable manual PN 232 0.0122 0.67 0.6
--.VAI.Z. 2003-09-21T06:43:54.18 10.0 undecidable manual SG 93 0.0035 -0.63 0.3
--.ORO.Z. 2003-09-21T06:43:50.75 10.0 undecidable manual SG 211 0.0028 -0.89 0.1
--.VAI.Z. 2003-09-21T06:43:47.94 10.0 negative manual PG 93 0.0035 -0.46 2.3
--.ORO.Z. 2003-09-21T06:43:46.41 10.0 undecidable manual PG 211 0.0028 -0.16 1.7
--.MCGN.Z. 2003-09-21T06:43:45.47 10.0 undecidable manual SG 293 0.0015 -0.88 0.1
--.MCGN.Z. 2003-09-21T06:43:43.37 10.0 negative manual PG 293 0.0015 -0.14 3.4
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