Earthquake with magnitude of Md 2.0 on date 22-05-1989 and time 12:23:31 (Italy) in region 4 km N Demonte (CN)

A magnitude Md 2.0 earthquake occured in region: 4 km N Demonte (CN), on

  • 22-05-1989 10:23:31 (UTC)
  • 22-05-1989 12:23:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3520, 7.3110 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
Demonte CN 4 2003 2003
Valloriate CN 5 109 2112
Monterosso Grana CN 7 505 2617
Rittana CN 7 109 2726
Moiola CN 7 234 2960
Pradleves CN 8 250 3210
Gaiola CN 8 582 3792
Aisone CN 8 248 4040
Valgrana CN 9 786 4826
Castelmagno CN 10 66 4892
Roccasparvera CN 11 741 5633
Valdieri CN 11 935 6568
Bernezzo CN 11 4104 10672
Montemale di Cuneo CN 11 241 10913
Vinadio CN 12 644 11557
Caraglio CN 12 6836 18393
Vignolo CN 13 2600 20993
Cervasca CN 13 5013 26006
Dronero CN 14 7035 33041
Cartignano CN 14 190 33231
Roccabruna CN 14 1585 34816
Entracque CN 14 774 35590
Roccavione CN 14 2761 38351
Borgo San Dalmazzo CN 14 12468 50819
Roaschia CN 15 107 50926
Villar San Costanzo CN 16 1547 52473
San Damiano Macra CN 16 430 52903
Robilante CN 17 2306 55209
Celle di Macra CN 18 100 55309
Sambuco CN 19 92 55401
Boves CN 19 9835 65236
Macra CN 20 59 65295
Cuneo CN 20 56081 121376

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km W of Cuneo (56081 inhabitants)
70 Km NW of Sanremo (54807 inhabitants)
78 Km SW of Moncalieri (57294 inhabitants)
86 Km SW of Torino (890529 inhabitants)
93 Km W of Savona (61345 inhabitants)
93 Km SW of Asti (76202 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 1989-05-22
10:23:31
44.352 7.311 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 91869
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-05-22 10:23:31 ± 0.161
Latitude 44.3520 ± 0.0132
Longitude 7.3110 ± 0.0188
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 91869

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) 2098.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.00607
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 91869
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:26:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.RRL.Z. 1989-05-22T10:23:54.20 10.0 undecidable manual SG 326 0.6771 -0.97 0.1
--.FIN.Z. 1989-05-22T10:23:53.63 10.0 undecidable manual SG 102 0.6549 -0.66 0.2
--.IMI.Z. 1989-05-22T10:23:51.70 10.0 undecidable manual SG 136 0.5994 -0.97 0.1
--.ROB.Z. 1989-05-22T10:23:46.22 10.0 undecidable manual SG 96 0.3996 0.06 0.9
--.RRL.Z. 1989-05-22T10:23:44.58 10.0 undecidable manual PG 326 0.6771 -0.38 1.2
--.FIN.Z. 1989-05-22T10:23:44.54 10.0 undecidable manual PG 102 0.6549 -0.01 1.7
--.IMI.Z. 1989-05-22T10:23:43.54 10.0 undecidable manual PG 136 0.5994 -0.07 1.8
--.ROB.Z. 1989-05-22T10:23:40.24 10.0 undecidable manual PG 96 0.3996 0.38 1.6
--.PZZ.Z. 1989-05-22T10:23:39.68 10.0 undecidable manual SG 315 0.2109 -0.34 0.7
--.DOI.Z. 1989-05-22T10:23:38.00 10.0 undecidable manual SG 342 0.1554 -0.23 0.8
--.ENR.Z. 1989-05-22T10:23:37.80 10.0 undecidable manual SG 148 0.1443 -0.11 0.9
--.PZZ.Z. 1989-05-22T10:23:36.57 10.0 undecidable manual PG 315 0.2109 0.26 1.9
--.DOI.Z. 1989-05-22T10:23:36.00 10.0 undecidable manual PG 342 0.1554 0.72 0.6
--.ENR.Z. 1989-05-22T10:23:35.48 10.0 undecidable manual PG 148 0.1443 0.39 1.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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