Earthquake with magnitude of M 2.3 on date 30-12-1993 and time 06:05:46 (Italy) in region 1 km E Argentera (CN)

A magnitude M 2.3 earthquake occured in region: 1 km E Argentera (CN), on

  • 30-12-1993 05:05:46 (UTC)
  • 30-12-1993 06:05:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3820, 6.9780 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
Argentera CN 1 83 83
Pietraporzio CN 6 77 160
Sambuco CN 9 92 252
Acceglio CN 11 162 414
Canosio CN 12 80 494
Marmora CN 13 68 562
Prazzo CN 13 170 732
Vinadio CN 18 644 1376
Stroppo CN 18 103 1479
Castelmagno CN 19 66 1545
Celle di Macra CN 20 100 1645
Elva CN 20 97 1742

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km W of Cuneo (56081 inhabitants)
89 Km SW of Moncalieri (57294 inhabitants)
90 Km NW of Sanremo (54807 inhabitants)
95 Km SW of Torino (890529 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 1993-12-30
05:05:46
44.382 6.978 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 203139
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-12-30 05:05:46 ± 0.359
Latitude 44.3820 ± 0.0150
Longitude 6.9780 ± 0.0312
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 203139

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) 2990.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 220
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.01012
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

M:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 203139
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
--.FIN.Z. 1993-12-30T05:06:16.69 10.0 undecidable manual SG 100 0.888 -0.48 0.4
--.IMI.Z. 1993-12-30T05:06:14.16 10.0 undecidable manual SG 125 0.7992 -0.14 0.6
--.RSP.Z. 1993-12-30T05:06:12.51 10.0 undecidable manual SG 14 0.7881 -1.33 0
--.ROB.Z. 1993-12-30T05:06:08.76 10.0 undecidable manual SG 96 0.6327 -0.29 0.6
--.PCP.Z. 1993-12-30T05:06:08.57 10.0 undecidable manual PN 81 1.1211 0.58 0.6
--.RRL.Z. 1993-12-30T05:06:05.14 10.0 undecidable manual SG 345 0.5439 -1.02 0.1
--.FIN.Z. 1993-12-30T05:06:04.40 10.0 undecidable manual PG 100 0.888 -0.14 1.5
--.BHB.Z. 1993-12-30T05:06:03.68 10.0 undecidable manual SG 24 0.4995 -0.56 0.4
--.RSP.Z. 1993-12-30T05:06:02.39 10.0 undecidable manual PG 14 0.7881 0.13 1.6
--.IMI.Z. 1993-12-30T05:06:02.58 10.0 undecidable manual PG 125 0.7992 0.06 1.7
--.ROB.Z. 1993-12-30T05:05:59.79 10.0 undecidable manual PG 96 0.6327 0.29 1.6
--.ENR.Z. 1993-12-30T05:05:58.87 10.0 undecidable manual SG 116 0.3552 -0.81 0.2
--.RRL.Z. 1993-12-30T05:05:57.54 10.0 undecidable manual PG 345 0.5439 -0.29 1.7
--.STV.Z. 1993-12-30T05:05:57.90 10.0 undecidable manual SG 117 0.2775 -0.37 0.6
--.BHB.Z. 1993-12-30T05:05:56.99 10.0 undecidable manual PG 24 0.4995 0.27 1.7
--.PZZ.Z. 1993-12-30T05:05:54.16 10.0 undecidable manual SG 35 0.1443 0.96 0.1
--.ENR.Z. 1993-12-30T05:05:53.97 10.0 undecidable manual PG 116 0.3552 -0.11 2
--.STV.Z. 1993-12-30T05:05:52.78 10.0 undecidable manual PG 117 0.2775 -0.02 2
--.PZZ.Z. 1993-12-30T05:05:50.91 10.0 undecidable manual PG 35 0.1443 0.57 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