Earthquake with magnitude of M 2.3 on date 01-01-1990 and time 18:19:31 (UTC) in region 2 km SW Coazze (TO)

A magnitude M 2.3 earthquake occured in region: 2 km SW Coazze (TO), on

  • 01-01-1990 18:19:31 (UTC)
  • 01-01-1990 19:19:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.0370, 7.2740 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
Coazze TO 2 3287 3287
Giaveno TO 6 16455 19742
Valgioie TO 7 951 20693
Vaie TO 7 1458 22151
Sant'Antonino di Susa TO 8 4306 26457
Chiusa di San Michele TO 8 1647 28104
Villar Focchiardo TO 9 2042 30146
Condove TO 10 4638 34784
Sant'Ambrogio di Torino TO 10 4755 39539
Cumiana TO 10 7826 47365
Borgone Susa TO 10 2229 49594
Caprie TO 10 2086 51680
Perosa Argentina TO 11 3285 54965
Inverso Pinasca TO 11 730 55695
Avigliana TO 11 12516 68211
Pinasca TO 11 3051 71262
Trana TO 11 3877 75139
Pomaretto TO 12 1009 76148
Cantalupa TO 12 2553 78701
San Didero TO 12 551 79252
Roure TO 12 848 80100
Reano TO 12 1818 81918
Villar Dora TO 13 2932 84850
San Giorio di Susa TO 13 1024 85874
Frossasco TO 13 2864 88738
Villar Perosa TO 13 4092 92830
Roletto TO 13 2009 94839
Almese TO 13 6401 101240
Buttigliera Alta TO 13 6419 107659
Bruzolo TO 13 1524 109183
Sangano TO 14 3707 112890
Rubiana TO 14 2400 115290
San Pietro Val Lemina TO 15 1448 116738
Chianocco TO 15 1675 118413
Bussoleno TO 15 6094 124507
Bruino TO 15 8639 133146
Villarbasse TO 15 3509 136655
Pramollo TO 15 258 136913
San Germano Chisone TO 16 1854 138767
Rosta TO 16 4903 143670
Mattie TO 16 687 144357
Piossasco TO 16 18589 162946
Porte TO 17 1083 164029
Perrero TO 17 659 164688
Pinerolo TO 17 35808 200496
Fenestrelle TO 17 544 201040
Piscina TO 18 3388 204428
Caselette TO 18 3060 207488
Meana di Susa TO 19 826 208314
Prarostino TO 19 1273 209587
San Secondo di Pinerolo TO 19 3575 213162
Massello TO 19 51 213213
Val della Torre TO 19 3869 217082
Usseaux TO 19 186 217268
Rivalta di Torino TO 20 19887 237155

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Torino (890529 inhabitants)
33 Km W of Moncalieri (57294 inhabitants)
75 Km W of Asti (76202 inhabitants)
75 Km NW of Cuneo (56081 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
M 2.3 1990-01-01
18:19:31
45.037 7.274 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 107169
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-01-01 18:19:31 ± 0.288
Latitude 45.0370 ± 0.0142
Longitude 7.2740 ± 0.0318
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 107169

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) 2960.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.00761
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

M:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 107169
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:48:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PZZ.Z. 1990-01-01T18:19:50.57 10.0 undecidable manual SG 193 0.5439 -0.71 0.4
--.ROB.Z. 1990-01-01T18:19:48.52 10.0 undecidable manual PG 149 0.8436 -0.16 1.4
--.RRL.Z. 1990-01-01T18:19:45.29 10.0 undecidable manual SG 251 0.3552 -0.21 0.8
--.LSD.Z. 1990-01-01T18:19:45.86 10.0 undecidable manual SG 348 0.4218 -1.63 0
--.PZZ.Z. 1990-01-01T18:19:43.19 10.0 undecidable manual PG 193 0.5439 0.13 1.8
--.RRL.Z. 1990-01-01T18:19:40.16 10.0 undecidable manual PG 251 0.3552 0.43 1.7
--.LSD.Z. 1990-01-01T18:19:40.39 10.0 undecidable manual PG 348 0.4218 -0.48 1.6
--.RSP.Z. 1990-01-01T18:19:38.13 10.0 undecidable manual SG 353 0.111 0.68 0.5
--.RSP.Z. 1990-01-01T18:19:35.88 10.0 undecidable manual PG 353 0.111 0.8 0.9
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