Earthquake with magnitude of Md 2.2 on date 26-09-1990 and time 02:12:04 (Italy) in region 8 km NW Ceresole Reale (TO)

A magnitude Md 2.2 earthquake occured in region: 8 km NW Ceresole Reale (TO), on

  • 26-09-1990 00:12:04 (UTC)
  • 26-09-1990 02:12:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.4910, 7.1760 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
Ceresole Reale TO 8 156 156
Rhêmes-Notre-Dame AO 10 89 245
Noasca TO 12 137 382
Valsavarenche AO 12 161 543
Groscavallo TO 16 204 747
Valgrisenche AO 18 196 943
Rhêmes-Saint-Georges AO 18 194 1137
Cogne AO 19 1417 2554
Chialamberto TO 19 345 2899

Municipalities with at least 50000 inhabitants

An earthquake occurred to
61 Km NW of Torino (890529 inhabitants)
68 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 1990-09-26
00:12:04
45.491 7.176 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 127799
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-09-26 00:12:04 ± 0.257
Latitude 45.4910 ± 0.0199
Longitude 7.1760 ± 0.0200
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 127799

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) 2707.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00032
Epicentral distance of station farthest from the epicenter (degree) 0.01141
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 127799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:58:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PZZ.Z. 1990-09-26T00:12:35.88 10.0 undecidable manual SG 183 0.9768 -1.97 0
--.ENR.Z. 1990-09-26T00:12:27.47 10.0 undecidable manual PN 172 1.2654 -0.35 1.1
--.STV.Z. 1990-09-26T00:12:26.44 10.0 undecidable manual PN 174 1.2432 -0.94 0.5
--.RRL.Z. 1990-09-26T00:12:25.52 10.0 undecidable manual SG 205 0.6327 -0.99 0.3
--.ORX.Z. 1990-09-26T00:12:24.40 10.0 undecidable manual SG 75 0.5772 -0.44 0.7
--.PZZ.Z. 1990-09-26T00:12:24.29 10.0 undecidable manual PG 183 0.9768 0.64 1
--.RRL.Z. 1990-09-26T00:12:17.60 10.0 undecidable manual PG 205 0.6327 0.49 1.5
--.RSP.Z. 1990-09-26T00:12:17.90 10.0 undecidable manual SG 170 0.3441 0.69 0.5
--.BNI.Z. 1990-09-26T00:12:16.00 10.0 undecidable manual PG 218 0.555 0.24 1.9
--.LPG.Z. 1990-09-26T00:12:15.00 10.0 undecidable manual SG 271 0.2997 -0.71 0.5
--.ORX.Z. 1990-09-26T00:12:15.90 10.0 undecidable manual PG 75 0.5772 -0.24 1.9
--.LPL.Z. 1990-09-26T00:12:15.10 10.0 undecidable manual SG 274 0.3108 -1.07 0.2
--.RSP.Z. 1990-09-26T00:12:12.70 10.0 undecidable manual PG 170 0.3441 0.96 0.8
--.LPG.Z. 1990-09-26T00:12:11.30 10.0 undecidable manual PG 271 0.2997 0.43 1.6
--.LPL.Z. 1990-09-26T00:12:11.50 10.0 undecidable manual PG 274 0.3108 0.37 1.7
--.LSD.Z. 1990-09-26T00:12:06.60 10.0 undecidable manual PG 202 0.0333 0.19 1.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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