Earthquake with magnitude of Md 2.1 on date 26-04-1989 and time 15:37:16 (UTC) in region 1 km NE Casteldelfino (CN)

A magnitude Md 2.1 earthquake occured in region: 1 km NE Casteldelfino (CN), on

  • 26-04-1989 15:37:16 (UTC)
  • 26-04-1989 17:37:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5980, 7.0730 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
Casteldelfino CN 1 157 157
Pontechianale CN 4 179 336
Bellino CN 5 109 445
Elva CN 7 97 542
Sampeyre CN 10 1022 1564
Stroppo CN 11 103 1667
Prazzo CN 13 170 1837
Oncino CN 13 76 1913
Crissolo CN 13 168 2081
Macra CN 14 59 2140
Ostana CN 14 83 2223
Acceglio CN 15 162 2385
Celle di Macra CN 15 100 2485
Marmora CN 16 68 2553
Canosio CN 16 80 2633
Frassino CN 16 265 2898
Paesana CN 19 2784 5682
San Damiano Macra CN 19 430 6112

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NW of Cuneo (56081 inhabitants)
66 Km SW of Moncalieri (57294 inhabitants)
72 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 2.1
M 2.3
1989-04-26
15:37:16
44.598 7.073 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 90689
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-04-26 15:37:16 ± 0.14
Latitude 44.5980 ± 0.0089
Longitude 7.0730 ± 0.0199
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 90689

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) 1862.5
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 32
Number of defining phases 32
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) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.01190
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 90689
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:25:04

M:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 90689
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. 1989-04-26T15:37:59.00 10.0 undecidable manual SN 198 1.3209 0.29 0.5
--.LRG.Z. 1989-04-26T15:37:57.00 10.0 undecidable manual SN 204 1.2543 0.07 0.5
--.FRF.Z. 1989-04-26T15:37:51.00 10.0 undecidable manual SN 196 1.0767 -1.86 0
--.PCP.Z. 1989-04-26T15:37:51.80 10.0 undecidable manual SN 92 1.0434 -0.32 0.5
--.LPG.Z. 1989-04-26T15:37:48.20 10.0 undecidable manual SG 345 0.9213 -0.25 0.6
--.LPL.Z. 1989-04-26T15:37:48.90 10.0 undecidable manual SG 345 0.9435 -0.2 0.6
--.FIN.Z. 1989-04-26T15:37:46.30 10.0 undecidable manual SG 115 0.8991 -1.22 0.1
--.IMI.Z. 1989-04-26T15:37:45.80 10.0 undecidable manual SG 139 0.8991 -1.83 0
--.LSD.Z. 1989-04-26T15:37:45.90 10.0 undecidable manual SG 3 0.8547 -0.39 0.5
--.SBF.Z. 1989-04-26T15:37:42.30 10.0 undecidable manual SG 160 0.777 -1.32 0.1
--.LMR.Z. 1989-04-26T15:37:42.50 10.0 undecidable manual PN 198 1.3209 1.54 0.1
--.LRG.Z. 1989-04-26T15:37:40.80 10.0 undecidable manual PN 204 1.2543 0.86 0.5
--.ROB.Z. 1989-04-26T15:37:39.10 10.0 undecidable manual SG 117 0.6327 -0.18 0.7
--.PCP.Z. 1989-04-26T15:37:37.30 10.0 undecidable manual PN 92 1.0434 0.14 1.5
--.RSP.Z. 1989-04-26T15:37:37.00 10.0 undecidable manual SG 13 0.5661 0.08 0.7
--.FRF.Z. 1989-04-26T15:37:37.30 10.0 undecidable manual PN 196 1.0767 -0.29 1.3
--.LPG.Z. 1989-04-26T15:37:35.10 10.0 undecidable manual PG 345 0.9213 0.06 1.6
--.LPL.Z. 1989-04-26T15:37:35.40 10.0 undecidable manual PG 345 0.9435 -0.02 1.6
--.FIN.Z. 1989-04-26T15:37:34.40 10.0 undecidable manual PG 115 0.8991 -0.11 1.6
--.BNI.Z. 1989-04-26T15:37:34.81 10.0 undecidable manual SG 328 0.5328 -0.95 0.2
--.IMI.Z. 1989-04-26T15:37:34.10 10.0 undecidable manual PG 139 0.8991 -0.47 1.3
--.LSD.Z. 1989-04-26T15:37:34.30 10.0 undecidable manual PG 3 0.8547 0.5 1.3
--.SBF.Z. 1989-04-26T15:37:32.20 10.0 undecidable manual PG 160 0.777 -0.05 1.8
--.RRL.Z. 1989-04-26T15:37:30.00 10.0 undecidable manual SG 327 0.3774 -0.91 0.3
--.ROB.Z. 1989-04-26T15:37:30.10 10.0 undecidable manual PG 117 0.6327 0.35 1.5
--.RSP.Z. 1989-04-26T15:37:29.20 10.0 undecidable manual PG 13 0.5661 0.81 0.8
--.BNI.Z. 1989-04-26T15:37:27.27 10.0 negative manual PG 328 0.5328 -0.45 2.7
--.RRL.Z. 1989-04-26T15:37:24.50 10.0 positive manual PG 327 0.3774 -0.42 2.9
--.DOI.Z. 1989-04-26T15:37:24.19 10.0 undecidable manual SG 127 0.1554 0.58 0.5
--.DOI.Z. 1989-04-26T15:37:21.60 10.0 undecidable manual PG 127 0.1554 0.35 1.5
--.PZZ.Z. 1989-04-26T15:37:21.50 10.0 undecidable manual SG 167 0.0888 -0.3 0.6
--.PZZ.Z. 1989-04-26T15:37:19.70 10.0 positive manual PG 167 0.0888 0.04 3.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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