Earthquake with magnitude of Md 2.0 on date 19-01-1991 and time 10:37:35 (Italy) in region 3 km NW Casteldelfino (CN)

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

  • 19-01-1991 09:37:35 (UTC)
  • 19-01-1991 10:37:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.6140, 7.0600 at 11 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
Pontechianale CN 3 179 179
Casteldelfino CN 3 157 336
Bellino CN 5 109 445
Elva CN 9 97 542
Sampeyre CN 11 1022 1564
Crissolo CN 12 168 1732
Oncino CN 13 76 1808
Stroppo CN 13 103 1911
Ostana CN 14 83 1994
Prazzo CN 15 170 2164
Macra CN 16 59 2223
Acceglio CN 16 162 2385
Celle di Macra CN 17 100 2485
Marmora CN 18 68 2553
Canosio CN 18 80 2633
Frassino CN 18 265 2898
Paesana CN 19 2784 5682

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km NW of Cuneo (56081 inhabitants)
66 Km SW of Moncalieri (57294 inhabitants)
71 Km SW of Torino (890529 inhabitants)
96 Km W 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
M 2.3
1991-01-19
09:37:35
44.614 7.06 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 134649
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-01-19 09:37:35 ± 0.182
Latitude 44.6140 ± 0.0105
Longitude 7.0600 ± 0.0261
Depth (km) 11 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 134649

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) 2366.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
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) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.01198
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 134649
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:05:32

M:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 134649
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
--.LMR.Z. 1991-01-19T09:38:17.10 10.0 undecidable manual SN 197 1.332 -0.73 0.3
--.LRG.Z. 1991-01-19T09:38:14.70 10.0 undecidable manual SN 203 1.2543 -1.32 0.1
--.FRF.Z. 1991-01-19T09:38:09.60 10.0 undecidable manual SN! 195 1.0878 -2.39 0
--.FIN.Z. 1991-01-19T09:38:05.17 10.0 undecidable manual SG 115 0.9102 -1.76 0
--.IMI.Z. 1991-01-19T09:38:05.80 10.0 undecidable manual SG 139 0.9213 -2.04 0
--.LPG.Z. 1991-01-19T09:38:05.30 10.0 undecidable manual SG 346 0.9102 -1.45 0.1
--.LSD.Z. 1991-01-19T09:38:03.30 10.0 undecidable manual SG 4 0.8436 -1.46 0.1
--.SBF.Z. 1991-01-19T09:38:02.20 10.0 undecidable manual SG 160 0.7881 -0.95 0.2
--.LMR.Z. 1991-01-19T09:38:00.60 10.0 undecidable manual PN 197 1.332 0.6 0.9
--.LRG.Z. 1991-01-19T09:37:59.70 10.0 undecidable manual PN 203 1.2543 0.74 0.7
--.ROB.Z. 1991-01-19T09:37:58.74 10.0 undecidable manual SG 117 0.6549 0.04 0.8
--.PCP.Z. 1991-01-19T09:37:56.52 10.0 undecidable manual PN 93 1.0545 0.35 1.3
--.FRF.Z. 1991-01-19T09:37:56.90 10.0 undecidable manual PN 195 1.0878 0.26 1.4
--.RSP.Z. 1991-01-19T09:37:54.99 10.0 undecidable manual SG 14 0.5439 -0.43 0.6
--.LPL.Z. 1991-01-19T09:37:54.10 10.0 undecidable manual PG 345 0.9213 0.09 1.6
--.LPG.Z. 1991-01-19T09:37:53.70 10.0 undecidable manual PG 346 0.9102 0.09 1.7
--.FIN.Z. 1991-01-19T09:37:53.76 10.0 undecidable manual PG 115 0.9102 0.05 1.7
--.IMI.Z. 1991-01-19T09:37:53.45 10.0 undecidable manual PG 139 0.9213 -0.38 1.4
--.SBF.Z. 1991-01-19T09:37:52.00 10.0 undecidable manual PG 160 0.7881 0.47 1.4
--.LSD.Z. 1991-01-19T09:37:52.43 10.0 undecidable manual PG 4 0.8436 -0.03 1.7
--.ENR.Z. 1991-01-19T09:37:51.44 10.0 undecidable manual SG 146 0.4551 -1.04 0.2
--.STV.Z. 1991-01-19T09:37:49.93 10.0 undecidable manual SG 151 0.3996 -0.79 0.4
--.ROB.Z. 1991-01-19T09:37:49.25 10.0 undecidable manual PG 117 0.6549 0.29 1.7
--.RRL.Z. 1991-01-19T09:37:48.12 10.0 undecidable manual SG 327 0.3552 -1.14 0.2
--.RSP.Z. 1991-01-19T09:37:47.50 10.0 undecidable manual PG 14 0.5439 0.43 1.5
--.ENR.Z. 1991-01-19T09:37:45.16 10.0 undecidable manual PG 146 0.4551 -0.21 1.8
--.STV.Z. 1991-01-19T09:37:44.33 10.0 undecidable manual PG 151 0.3996 -0.02 1.9
--.RRL.Z. 1991-01-19T09:37:43.30 10.0 undecidable manual PG 327 0.3552 -0.21 1.8
--.DOI.Z. 1991-01-19T09:37:43.60 10.0 undecidable manual SG 129 0.1665 0.5 0.8
--.BHB.Z. 1991-01-19T09:37:42.62 10.0 undecidable manual PG 33 0.2553 0.97 0.6
--.PZZ.Z. 1991-01-19T09:37:41.43 10.0 undecidable manual SG 164 0.111 0.14 0.7
--.DOI.Z. 1991-01-19T09:37:40.50 10.0 positive manual PG 129 0.1665 0.54 2.7
--.PZZ.Z. 1991-01-19T09:37:39.20 10.0 undecidable manual PG 164 0.111 0.29 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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