Earthquake with magnitude of Md 3.0 on date 16-04-1985 and time 05:23:47 (Italy) in region 3 km S Lombardore (TO)

A magnitude Md 3.0 earthquake occured in region: 3 km S Lombardore (TO), on

  • 16-04-1985 03:23:47 (UTC)
  • 16-04-1985 05:23:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.2100, 7.7320 at 10 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
Lombardore TO 3 1742 1742
Leini TO 3 16356 18098
Volpiano TO 4 15416 33514
San Benigno Canavese TO 4 5992 39506
Rivarossa TO 5 1610 41116
San Francesco al Campo TO 6 5005 46121
Bosconero TO 7 3167 49288
Caselle Torinese TO 7 19136 68424
San Maurizio Canavese TO 8 10237 78661
Borgaro Torinese TO 9 13592 92253
Settimo Torinese TO 9 47669 139922
Brandizzo TO 9 8687 148609
Front TO 9 1677 150286
Montanaro TO 10 5323 155609
Foglizzo TO 10 2361 157970
Ciriè TO 10 18909 176879
San Carlo Canavese TO 10 4031 180910
Feletto TO 11 2310 183220
Venaria Reale TO 12 34193 217413
San Raffaele Cimena TO 12 3147 220560
Castiglione Torinese TO 12 6416 226976
Gassino Torinese TO 12 9432 236408
Vauda Canavese TO 12 1464 237872
Barbania TO 12 1607 239479
San Mauro Torinese TO 12 19085 258564
Chivasso TO 13 26749 285313
Lusigliè TO 13 559 285872
Robassomero TO 13 3057 288929
San Giusto Canavese TO 13 3406 292335
Nole TO 13 6892 299227
Castagneto Po TO 13 1784 301011
Ciconio TO 14 384 301395
Rivarolo Canavese TO 14 12488 313883
Favria TO 14 5196 319079
Villanova Canavese TO 14 1186 320265
Busano TO 15 1687 321952
Grosso TO 15 1018 322970
Druento TO 15 8622 331592
San Giorgio Canavese TO 15 2643 334235
Oglianico TO 15 1506 335741
Ozegna TO 16 1230 336971
Torino TO 16 890529 1227500
Levone TO 16 442 1227942
Mathi TO 16 3921 1231863
Rivalba TO 16 1143 1233006
Rivara TO 16 2659 1235665
Rocca Canavese TO 16 1708 1237373
San Ponso TO 17 267 1237640
Fiano TO 17 2695 1240335
Orio Canavese TO 17 801 1241136
Caluso TO 17 7586 1248722
Montalenghe TO 17 1001 1249723
La Cassa TO 17 1788 1251511
Salassa TO 17 1838 1253349
Baldissero Torinese TO 17 3750 1257099
San Gillio TO 17 3174 1260273
Barone Canavese TO 17 586 1260859
Cafasse TO 17 3451 1264310
Sciolze TO 17 1459 1265769
Agliè TO 17 2631 1268400
Pertusio TO 18 778 1269178
Pavarolo TO 18 1102 1270280
Balangero TO 18 3156 1273436
Cuceglio TO 18 997 1274433
Candia Canavese TO 18 1258 1275691
San Sebastiano da Po TO 18 1930 1277621
Vallo Torinese TO 18 774 1278395
Montaldo Torinese TO 18 743 1279138
Verolengo TO 19 4909 1284047
Casalborgone TO 19 1930 1285977
Pino Torinese TO 19 8379 1294356
Pianezza TO 19 15152 1309508
Valperga TO 19 3166 1312674
Varisella TO 19 810 1313484
Rondissone TO 19 1889 1315373
Mazzè TO 19 4184 1319557
Forno Canavese TO 19 3446 1323003
Torrazza Piemonte TO 19 2881 1325884
Pratiglione TO 19 535 1326419
Givoletto TO 19 3914 1330333
Corio TO 19 3277 1333610
Castellamonte TO 19 9859 1343469
Collegno TO 19 49905 1393374
Cinzano TO 20 340 1393714
Prascorsano TO 20 745 1394459
Bairo TO 20 790 1395249

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km N of Torino (890529 inhabitants)
23 Km N of Moncalieri (57294 inhabitants)
51 Km NW of Asti (76202 inhabitants)
75 Km W of Novara (104380 inhabitants)
77 Km W of Alessandria (93943 inhabitants)
89 Km W of Vigevano (63310 inhabitants)
92 Km N of Cuneo (56081 inhabitants)
97 Km SW of Gallarate (53343 inhabitants)
99 Km W of Busto Arsizio (83106 inhabitants)
Recent and historical seismicity

These maps show the seismic activity in different time intervals, before the seismic event to which they refer. Data reported in the first two maps come from the analysis carried out in real time by the personnel of the INGV Operating Rooms, immediately after each earthquake. The third map shows data from 1985 to the date of the earthquake: the locations are reviewed by the seismological analysts of the INGV Italian Seismic Bulletin (Bollettino Sismico Italiano dell’INGV). The localization parameters (hypocentral coordinates and magnitude) are the best possible estimate with the data available to the INGV, but are constantly updated according to further data that become available. The location and magnitude parameters, subsequently reviewed by seismological analysts, may vary.

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 0.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 72 hours preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 2.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 90 days preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event

This map shows the earthquake epicenters with magnitude ≥ 3.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, from 1985 to the date of this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version 3.0, https://doi.org/10.13127/cpti/cpti15.3) since 1000 AD until 2019. The size of the square indicates the different classes of magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The black and white star is the epicenter of the current earthquake.
Seismic hazard

Seismic hazard maps provide probabilistic estimates of the earthquake ground shaking exceeding a given threshold in a given geographic region within a given time window. Thus, it is not a deterministic prediction - a target that may be never reached given the complexity of the earthquake physical phenomenon - nor of the maximum expected earthquake since this has extremely low probabilities to occur.

In 2004, it was published the seismic hazard map of Italy (http://zonesismiche.mi.ingv.it) that provides a picture of the most hazardous geographic regions. The seismic hazard map of Italy (GdL MPS, 2004; rif. Ordinanza PCM del 28 aprile 2006, n. 3519, All. 1b) provides the 10% probability of exceedance in 50 years of the horizontal acceleration at rock sites (i.e., Vs30>800 m/s; cat. A, 3.2.1 of the D.M. 14.09.2005).

The colours indicate the various values of the ground acceleration that have 10% to be exceeded within 50 years. In general, the colours associated to low values of acceleration refer to areas that are less hazardous and stronger earthquakes repeat less frequently although they may still occur.

Seismic hazard map

Seismic hazard map

This map shows the seismic hazard map of Italy for the region where the earthquake occurred.
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
Md 3.0 1985-04-16
03:23:47
45.21 7.732 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 4719
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-16 03:23:47 ± 0.302
Latitude 45.2100 ± 0.0120
Longitude 7.7320 ± 0.0342
Depth (km) 10 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 4719

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) 2992.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.00405
Epicentral distance of station farthest from the epicenter (degree) 0.02485
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:3.0

Field Value
Value 3.0
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 4719
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:09:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.LRG.Z. 1985-04-16T03:24:46.00 10.0 undecidable manual SN 209 0.0181 0.6 0.4
--.LMR.Z. 1985-04-16T03:24:46.60 10.0 undecidable manual SN 205 0.0186 -0.21 0.6
--.FRF.Z. 1985-04-16T03:24:40.00 10.0 undecidable manual SN 205 0.0164 -0.93 0.2
--.CVF.Z. 1985-04-16T03:24:33.00 10.0 undecidable manual PN 162 0.0249 1.85 0
--.BSF.Z. 1985-04-16T03:24:30.20 10.0 undecidable manual PN 346 0.0243 -0.04 1.3
--.IMP.Z. 1985-04-16T03:24:28.70 10.0 undecidable manual SN 175 0.0117 0.24 0.7
--.FIN.Z. 1985-04-16T03:24:22.70 10.0 undecidable manual SN 161 0.0095 -0.05 0.8
--.LRG.Z. 1985-04-16T03:24:21.30 10.0 undecidable manual PN 209 0.0181 0.52 1.1
--.LMR.Z. 1985-04-16T03:24:21.60 10.0 undecidable manual PN 205 0.0186 0.01 1.6
--.VAI.E. 1985-04-16T03:24:20.80 10.0 undecidable manual SG 47 0.0087 0.28 0.7
--.FRF.Z. 1985-04-16T03:24:17.80 10.0 undecidable manual PN 205 0.0164 -0.39 1.4
--.ROB.Z. 1985-04-16T03:24:17.60 10.0 undecidable manual SG 173 0.0082 -0.73 0.4
--.IMP.Z. 1985-04-16T03:24:10.60 10.0 undecidable manual PN 175 0.0117 -0.4 1.6
--.FIN.Z. 1985-04-16T03:24:07.60 10.0 undecidable manual PN 161 0.0095 -0.1 1.9
--.VAI.Z. 1985-04-16T03:24:06.70 10.0 undecidable manual PG 47 0.0087 0.29 1.7
--.ROB.Z. 1985-04-16T03:24:04.60 10.0 undecidable manual PG 173 0.0082 -0.55 1.3
--.ORO.Z. 1985-04-16T03:24:03.00 10.0 undecidable manual SG 22 0.0040 -0.59 0.5
--.ORO.Z. 1985-04-16T03:23:56.50 10.0 undecidable manual PG 22 0.0040 -0.14 1.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions

The map reports the fault plane solutions for earthquakes in the region from 1977 to the date of this event. Red moment tensors are determined using the Regional Centroid Moment Tensor technique (RCMT, http://www.bo.ingv.it/RCMT) applied for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when a station azimuthal coverage exists RCMTs can be obtained also for earthquakes with magnitude down to 4.0. The gray moment tensors are obtained with the Time Domain Moment Tensor method (TDMT, http://terremoti.ingv.it/tdmt). This technique is applied to earthquakes with magnitude ML greater than 3.2, when it is possible. The size of symbols scales with the calculated moment magnitude Mw.
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download