Earthquake with magnitude of Md 1.9 on date 30-11-1990 and time 15:03:43 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude Md 1.9 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 30-11-1990 14:03:43 (UTC)
  • 30-11-1990 15:03:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.8210, 6.7180 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
Claviere TO 13 214 214
Cesana Torinese TO 16 967 1181
Sauze di Cesana TO 18 244 1425
Sestriere TO 20 929 2354

Municipalities with at least 50000 inhabitants

An earthquake occurred to
79 Km W of Moncalieri (57294 inhabitants)
81 Km W of Torino (890529 inhabitants)
81 Km NW of Cuneo (56081 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 1.9
M 2.0
1990-11-30
14:03:43
44.821 6.718 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 131809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-11-30 14:03:43 ± 0.251
Latitude 44.8210 ± 0.0087
Longitude 6.7180 ± 0.0295
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 131809

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) 2515.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 210
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.01190
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

Md:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 131809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:02:44

M:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 131809
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
--.PCP.Z. 1990-11-30T14:04:07.73 10.0 undecidable manual PN 101 1.3209 0.15 1
--.FIN.Z. 1990-11-30T14:04:06.63 10.0 undecidable manual PN 119 1.221 0.45 0.4
--.ROB.Z. 1990-11-30T14:04:01.91 10.0 undecidable manual PG 121 0.9657 -0.51 0.4
--.ENR.Z. 1990-11-30T14:03:58.67 10.0 undecidable manual PG 139 0.777 -0.13 1.4
--.STV.Z. 1990-11-30T14:03:57.80 10.0 undecidable manual PG 142 0.7104 0.11 1.5
--.LSD.Z. 1990-11-30T14:03:57.22 10.0 undecidable manual PG 25 0.6993 -0.29 1
--.RSP.Z. 1990-11-30T14:03:54.00 10.0 undecidable manual PG 48 0.4995 0.25 1.2
--.BNI.Z. 1990-11-30T14:03:52.00 10.0 undecidable manual SG 353 0.222 -0.69 0.1
--.PZZ.Z. 1990-11-30T14:03:51.95 10.0 undecidable manual PG 139 0.4107 -0.18 1.4
--.BHB.Z. 1990-11-30T14:03:51.47 10.0 undecidable manual PG 87 0.3774 -0.1 1.6
--.BNI.Z. 1990-11-30T14:03:49.00 10.0 undecidable manual PG 353 0.222 0.28 1.1
--.RRL.Z. 1990-11-30T14:03:46.83 10.0 undecidable manual PG 25 0.111 0.38 0.8
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