Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.2 on date 28-06-1993 and time 00:25:22 (Italy) in region 2 km SW Morgex (AO)

A magnitude Md 2.2 earthquake occured in region: 2 km SW Morgex (AO), on

  • 27-06-1993 22:25:22 (UTC)
  • 28-06-1993 00:25:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.7460, 7.0230 at 8 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Morgex AO 2 2104 2104
Pré-Saint-Didier AO 4 1050 3154
La Salle AO 4 2087 5241
La Thuile AO 7 761 6002
Courmayeur AO 7 2807 8809
Avise AO 10 305 9114
Saint-Nicolas AO 12 311 9425
Arvier AO 12 873 10298
Valgrisenche AO 13 196 10494
Introd AO 14 658 11152
Rhêmes-Saint-Georges AO 14 194 11346
Saint-Rhémy-en-Bosses AO 15 338 11684
Villeneuve AO 15 1289 12973
Saint-Pierre AO 16 3165 16138
Saint-Oyen AO 17 203 16341
Aymavilles AO 18 2086 18427
Etroubles AO 18 501 18928
Sarre AO 19 4927 23855
Jovençan AO 20 736 24591

Municipalities with at least 50000 inhabitants

An earthquake occurred to
91 Km NW of Torino (890529 inhabitants)
98 Km NW of Moncalieri (57294 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 2.2
M 2.3 		1993-06-27
22:25:22		 45.746 7.023 8 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 188849
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-06-27 22:25:22 ± 0.37
Latitude 45.7460 ± 0.0152
Longitude 7.0230 ± 0.0230
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 188849

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) 2457.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
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) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.01878
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 188849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:57:24

M:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 188849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:42:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.BSF.Z. 1993-06-27T22:26:22.50 10.0 undecidable manual SN 355 2.0868 -1.09 0.1
--.PZZ.Z. 1993-06-27T22:26:03.40 10.0 undecidable manual SN 177 1.2432 -0.01 0.6
--.BSF.Z. 1993-06-27T22:25:58.00 10.0 undecidable manual PN 355 2.0868 0.07 1.1
--.BHB.Z. 1993-06-27T22:25:54.00 10.0 undecidable manual SG 169 0.9213 -0.91 0.2
--.RRL.Z. 1993-06-27T22:25:52.10 10.0 undecidable manual SG 191 0.8325 -0.09 0.8
--.BNI.Z. 1993-06-27T22:25:49.60 10.0 undecidable manual SG 199 0.7326 0.34 0.8
--.PZZ.Z. 1993-06-27T22:25:46.70 10.0 undecidable manual PN 177 1.2432 0.43 1.4
--.RSP.Z. 1993-06-27T22:25:44.20 10.0 undecidable manual SG 164 0.6105 -0.73 0.4
--.BHB.Z. 1993-06-27T22:25:40.90 10.0 undecidable manual PG 169 0.9213 -0.47 1.4
--.RRL.Z. 1993-06-27T22:25:39.56 10.0 undecidable manual PG 191 0.8325 -0.23 1.8
--.ORO.Z. 1993-06-27T22:25:38.27 10.0 undecidable manual PG 99 0.6771 1.48 0.2
--.BNI.Z. 1993-06-27T22:25:38.20 10.0 undecidable manual PG 199 0.7326 0.41 1.8
--.LPL.Z. 1993-06-27T22:25:36.50 10.0 undecidable manual SG 221 0.3108 1.52 0.1
--.LPG.Z. 1993-06-27T22:25:36.50 10.0 undecidable manual SG 217 0.3108 1.32 0.1
--.LSD.Z. 1993-06-27T22:25:35.10 10.0 undecidable manual SG 161 0.2997 0.25 0.8
--.RSP.Z. 1993-06-27T22:25:35.32 10.0 undecidable manual PG 164 0.6105 -0.29 1.8
--.RSL.Z. 1993-06-27T22:25:34.18 10.0 undecidable manual SG 258 0.2775 0.06 0.8
--.LPL.Z. 1993-06-27T22:25:30.00 10.0 undecidable manual PG 221 0.3108 0.13 2.1
--.LPG.Z. 1993-06-27T22:25:30.10 10.0 undecidable manual PG 217 0.3108 0.13 2.1
--.LSD.Z. 1993-06-27T22:25:29.10 10.0 undecidable manual PG 161 0.2997 -0.69 1.1
--.RSL.Z. 1993-06-27T22:25:28.74 10.0 undecidable manual PG 258 0.2775 -0.63 1.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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