Earthquake with magnitude of Md 2.5 on date 11-02-1989 and time 02:19:40 (Italy) in region 1 km SW Varisella (TO)

A magnitude Md 2.5 earthquake occured in region: 1 km SW Varisella (TO), on

  • 11-02-1989 01:19:40 (UTC)
  • 11-02-1989 02:19:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.2030, 7.4800 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
Varisella TO 1 810 810
Vallo Torinese TO 3 774 1584
Fiano TO 4 2695 4279
La Cassa TO 4 1788 6067
Givoletto TO 5 3914 9981
Cafasse TO 6 3451 13432
Val della Torre TO 6 3869 17301
Germagnano TO 7 1201 18502
Robassomero TO 7 3057 21559
Villanova Canavese TO 7 1186 22745
Lanzo Torinese TO 8 5086 27831
Mathi TO 8 3921 31752
San Gillio TO 8 3174 34926
Balangero TO 8 3156 38082
Traves TO 9 518 38600
Nole TO 9 6892 45492
Grosso TO 9 1018 46510
Viù TO 9 1051 47561
Rubiana TO 10 2400 49961
Ciriè TO 10 18909 68870
Caselette TO 11 3060 71930
Druento TO 11 8622 80552
Coassolo Torinese TO 11 1547 82099
Almese TO 12 6401 88500
Monastero di Lanzo TO 12 350 88850
Pessinetto TO 12 606 89456
San Carlo Canavese TO 12 4031 93487
Villar Dora TO 12 2932 96419
Mezzenile TO 12 786 97205
San Maurizio Canavese TO 12 10237 107442
Pianezza TO 13 15152 122594
Alpignano TO 13 17008 139602
Corio TO 13 3277 142879
Caselle Torinese TO 14 19136 162015
Vauda Canavese TO 14 1464 163479
San Francesco al Campo TO 14 5005 168484
Ceres TO 14 1065 169549
Venaria Reale TO 14 34193 203742
Rocca Canavese TO 14 1708 205450
Rosta TO 15 4903 210353
Sant'Ambrogio di Torino TO 15 4755 215108
Caprie TO 15 2086 217194
Lemie TO 15 179 217373
Avigliana TO 15 12516 229889
Borgaro Torinese TO 15 13592 243481
Rivoli TO 15 48791 292272
Barbania TO 15 1607 293879
Buttigliera Alta TO 15 6419 300298
Collegno TO 16 49905 350203
Condove TO 16 4638 354841
Levone TO 16 442 355283
Chiusa di San Michele TO 16 1647 356930
Front TO 17 1677 358607
Reano TO 17 1818 360425
Cantoira TO 17 564 360989
Grugliasco TO 17 37966 398955
Villarbasse TO 18 3509 402464
Valgioie TO 18 951 403415
Forno Canavese TO 18 3446 406861
Rivara TO 19 2659 409520
Ala di Stura TO 19 469 409989
Leini TO 19 16356 426345
Vaie TO 19 1458 427803
Rivalta di Torino TO 19 19887 447690
Trana TO 19 3877 451567
Pratiglione TO 19 535 452102
Sant'Antonino di Susa TO 19 4306 456408
Rivarossa TO 19 1610 458018
Sangano TO 20 3707 461725
Busano TO 20 1687 463412

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Torino (890529 inhabitants)
28 Km NW of Moncalieri (57294 inhabitants)
66 Km NW of Asti (76202 inhabitants)
90 Km N of Cuneo (56081 inhabitants)
93 Km W of Novara (104380 inhabitants)
95 Km W 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
Md 2.5 1989-02-11
01:19:40
45.203 7.48 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 86849
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-02-11 01:19:40 ± 0.241
Latitude 45.2030 ± 0.0146
Longitude 7.4800 ± 0.0235
Depth (km) 10 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 86849

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) 2455.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.01724
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 86849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:21:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SBF.Z. 1989-02-11T01:20:21.00 10.0 undecidable manual SN 181 1.332 -1.32 0.1
--.LRG.Z. 1989-02-11T01:20:14.40 10.0 undecidable manual PN 204 1.9092 1.95 0.1
--.ROB.Z. 1989-02-11T01:20:11.80 10.0 undecidable manual SG 162 0.9324 -0.39 0.6
--.SBF.Z. 1989-02-11T01:20:04.50 10.0 undecidable manual PN 181 1.332 0.04 1.3
--.IMI.Z. 1989-02-11T01:20:03.90 10.0 undecidable manual PN 166 1.3209 -0.36 1.2
--.DOI.Z. 1989-02-11T01:20:03.18 10.0 undecidable manual SG 193 0.7104 -1.83 0.1
--.FIN.Z. 1989-02-11T01:20:01.00 10.0 undecidable manual PN 152 1.11 -0.46 1.3
--.ROB.Z. 1989-02-11T01:19:59.60 10.0 undecidable manual PG 162 0.9324 0.99 0.8
--.BNI.Z. 1989-02-11T01:19:59.57 10.0 undecidable manual SG 255 0.5883 -1.17 0.3
--.LPG.Z. 1989-02-11T01:19:59.20 10.0 undecidable manual SG 300 0.5883 -1.7 0.1
--.ORX.Z. 1989-02-11T01:19:58.30 10.0 undecidable manual SG 39 0.5439 -1.5 0.1
--.RRL.Z. 1989-02-11T01:19:58.80 10.0 undecidable manual SG 240 0.5661 -1.34 0.2
--.ORO.Z. 1989-02-11T01:19:58.54 10.0 undecidable manual SG 39 0.5439 -1.13 0.3
--.STV.Z. 1989-02-11T01:19:58.00 10.0 undecidable manual PG 186 0.9546 -0.88 0.9
--.PZZ.Z. 1989-02-11T01:19:54.80 10.0 undecidable manual PG 200 0.7437 -0.19 1.8
--.DOI.Z. 1989-02-11T01:19:54.17 10.0 undecidable manual PG 193 0.7104 -0.29 1.7
--.LPL.Z. 1989-02-11T01:19:52.40 10.0 undecidable manual PG 300 0.5994 -0.09 1.8
--.RRL.Z. 1989-02-11T01:19:52.20 10.0 undecidable manual PG 240 0.5661 0.55 1.5
--.BNI.Z. 1989-02-11T01:19:52.48 10.0 positive manual PG 255 0.5883 0.48 3.1
--.LPG.Z. 1989-02-11T01:19:51.90 10.0 undecidable manual PG 300 0.5883 -0.19 1.8
--.LSD.Z. 1989-02-11T01:19:51.90 10.0 undecidable manual SG 318 0.333 -1.03 0.3
--.ORX.Z. 1989-02-11T01:19:51.90 10.0 undecidable manual PG 39 0.5439 0.45 1.6
--.ORO.Z. 1989-02-11T01:19:51.62 10.0 undecidable manual PG 39 0.5439 0.24 1.7
--.RSP.Z. 1989-02-11T01:19:47.40 10.0 undecidable manual SG 251 0.1665 0.14 0.7
--.LSD.Z. 1989-02-11T01:19:47.90 10.0 undecidable manual PG 318 0.333 0.42 1.6
--.RSP.Z. 1989-02-11T01:19:45.10 10.0 undecidable manual PG 251 0.1665 0.89 1
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