Earthquake with magnitude of Md 2.4 on date 15-01-1985 and time 20:53:50 (Italy) in region 4 km E Antrona Schieranco (VB)

A magnitude Md 2.4 earthquake occured in region: 4 km E Antrona Schieranco (VB), on

  • 15-01-1985 19:53:50 (UTC)
  • 15-01-1985 20:53:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.0810, 8.1630 at 8 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
Antrona Schieranco VB 4 428 428
Borgomezzavalle VB 5 318 746
Montescheno VB 6 413 1159
Bognanco VB 6 219 1378
Villadossola VB 8 6653 8031
Pallanzeno VB 8 1133 9164
Calasca-Castiglione VB 9 649 9813
Piedimulera VB 10 1528 11341
Beura-Cardezza VB 11 1485 12826
Bannio Anzino VB 11 475 13301
Domodossola VB 11 18192 31493
Pieve Vergonte VB 12 2593 34086
Vanzone con San Carlo VB 12 407 34493
Vogogna VB 13 1731 36224
Crevoladossola VB 14 4655 40879
Ceppo Morelli VB 14 321 41200
Trontano VB 14 1660 42860
Masera VB 14 1529 44389
Trasquera VB 15 194 44583
Premosello-Chiovenda VB 16 2035 46618
Varzo VB 16 2046 48664
Montecrestese VB 16 1266 49930
Anzola d'Ossola VB 18 427 50357
Rimella VC 19 134 50491
Macugnaga VB 19 557 51048

Municipalities with at least 50000 inhabitants

An earthquake occurred to
59 Km W of Varese (80799 inhabitants)
68 Km NW of Gallarate (53343 inhabitants)
75 Km NW of Busto Arsizio (83106 inhabitants)
77 Km W of Como (84495 inhabitants)
79 Km NW of Novara (104380 inhabitants)
80 Km NW of Legnano (60262 inhabitants)
92 Km NW of Rho (50434 inhabitants)
100 Km NW of Cinisello Balsamo (75078 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 2.4 1985-01-15
19:53:50
46.081 8.163 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 509
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-01-15 19:53:50 ± 0.61
Latitude 46.0810 ± 0.0218
Longitude 8.1630 ± 0.0433
Depth (km) 7 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 509

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) 4124.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
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) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.01522
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:05:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SLE.Z. 1985-01-15T19:54:21.10 10.0 undecidable manual PN 7 1.6872 0.59 1
--.OSS.Z. 1985-01-15T19:54:18.70 10.0 undecidable manual PN 65 1.4874 1.02 0.7
--.ZUL.Z. 1985-01-15T19:54:17.20 10.0 undecidable manual PN 6 1.3986 0.7 1.1
--.SAX.Z. 1985-01-15T19:54:17.80 10.0 undecidable manual PN 34 1.4208 1.09 0.7
--.VDL.Z. 1985-01-15T19:54:09.00 10.0 undecidable manual PG 65 0.9879 -1.45 0.5
--.ORO.Z. 1985-01-15T19:54:08.00 10.0 undecidable manual SG 195 0.4662 -0.22 1
--.LLS.Z. 1985-01-15T19:54:08.70 10.0 undecidable manual PG 36 0.9657 -1.27 0.7
--.EMS.Z. 1985-01-15T19:54:07.00 10.0 undecidable manual PG 269 0.8436 -0.94 1
--.DIX.Z. 1985-01-15T19:54:01.10 10.0 undecidable manual PG 270 0.5106 -0.66 1.4
--.ORO.Z. 1985-01-15T19:54:01.20 10.0 undecidable manual PG 195 0.4662 0.38 1.6
--.MMK.Z. 1985-01-15T19:53:54.90 10.0 undecidable manual PG 257 0.1332 0.72 1.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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