Earthquake with magnitude of Md 2.0 on date 24-05-1989 and time 16:17:12 (Italy) in region 3 km NW Rittana (CN)

A magnitude Md 2.0 earthquake occured in region: 3 km NW Rittana (CN), on

  • 24-05-1989 14:17:12 (UTC)
  • 24-05-1989 16:17:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3740, 7.3790 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
Rittana CN 3 109 109
Valloriate CN 4 109 218
Valgrana CN 4 786 1004
Gaiola CN 5 582 1586
Bernezzo CN 5 4104 5690
Monterosso Grana CN 6 505 6195
Moiola CN 6 234 6429
Roccasparvera CN 6 741 7170
Caraglio CN 6 6836 14006
Montemale di Cuneo CN 7 241 14247
Cervasca CN 7 5013 19260
Vignolo CN 8 2600 21860
Demonte CN 9 2003 23863
Pradleves CN 9 250 24113
Borgo San Dalmazzo CN 10 12468 36581
Roccavione CN 11 2761 39342
Dronero CN 11 7035 46377
Valdieri CN 11 935 47312
Roccabruna CN 12 1585 48897
Villar San Costanzo CN 12 1547 50444
Roaschia CN 13 107 50551
Cartignano CN 14 190 50741
Robilante CN 14 2306 53047
Castelmagno CN 14 66 53113
Cuneo CN 14 56081 109194
Aisone CN 14 248 109442
Boves CN 15 9835 119277
Entracque CN 15 774 120051
San Damiano Macra CN 16 430 120481
Busca CN 17 10181 130662
Vinadio CN 18 644 131306
Vernante CN 19 1178 132484
Tarantasca CN 19 2122 134606
Valmala CN 19 52 134658
Rossana CN 19 908 135566
Peveragno CN 20 5543 141109
Celle di Macra CN 20 100 141209

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km W of Cuneo (56081 inhabitants)
69 Km NW of Sanremo (54807 inhabitants)
74 Km SW of Moncalieri (57294 inhabitants)
82 Km SW of Torino (890529 inhabitants)
88 Km SW of Asti (76202 inhabitants)
88 Km W of Savona (61345 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 2.0 1989-05-24
14:17:12
44.374 7.379 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 91979
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-05-24 14:17:12 ± 0.068
Latitude 44.3740 ± 0.0063
Longitude 7.3790 ± 0.0091
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 91979

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) 1010.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.00615
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 91979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:26:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.RRL.Z. 1989-05-24T14:17:35.87 10.0 undecidable manual SG 322 0.6882 -0.6 0
--.FIN.Z. 1989-05-24T14:17:33.66 10.0 undecidable manual SG 105 0.6105 -0.42 0.1
--.IMI.Z. 1989-05-24T14:17:32.91 10.0 undecidable manual SG 141 0.5883 -0.39 0.1
--.RRL.Z. 1989-05-24T14:17:26.39 10.0 undecidable manual PG 322 0.6882 0.1 1.3
--.ROB.Z. 1989-05-24T14:17:26.19 10.0 undecidable manual SG 101 0.3552 0.32 0.2
--.IMI.Z. 1989-05-24T14:17:24.30 10.0 undecidable manual PG 141 0.5883 -0.16 1.2
--.FIN.Z. 1989-05-24T14:17:24.93 10.0 undecidable manual PG 105 0.6105 0.02 1.6
--.PZZ.Z. 1989-05-24T14:17:21.95 10.0 undecidable manual SG 303 0.2331 0.03 0.8
--.ROB.Z. 1989-05-24T14:17:20.37 10.0 undecidable manual PG 101 0.3552 0.2 1.3
--.ENR.Z. 1989-05-24T14:17:19.19 10.0 undecidable manual SG 168 0.1443 0.07 0.8
--.DOI.Z. 1989-05-24T14:17:19.50 10.0 undecidable manual SG 323 0.1554 0.04 0.8
--.PZZ.Z. 1989-05-24T14:17:17.96 10.0 undecidable manual PG 303 0.2331 0.07 1.9
--.ENR.Z. 1989-05-24T14:17:16.40 10.0 undecidable manual PG 168 0.1443 0.13 1.7
--.DOI.Z. 1989-05-24T14:17:16.50 10.0 undecidable manual PG 323 0.1554 0.03 2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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