Earthquake with magnitude of Md 2.5 on date 18-11-1989 and time 02:50:09 (Italy) in region 2 km N Sarre (AO)

A magnitude Md 2.5 earthquake occured in region: 2 km N Sarre (AO), on

  • 18-11-1989 01:50:09 (UTC)
  • 18-11-1989 02:50:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.73, 7.26 at 1 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
Sarre AO 2 4927 4927
Jovençan AO 3 736 5663
Gressan AO 3 3387 9050
Saint-Pierre AO 4 3165 12215
Aymavilles AO 4 2086 14301
Aosta AO 5 34390 48691
Villeneuve AO 5 1289 49980
Charvensod AO 5 2468 52448
Gignod AO 6 1710 54158
Roisan AO 7 1036 55194
Saint-Nicolas AO 7 311 55505
Introd AO 7 658 56163
Arvier AO 8 873 57036
Pollein AO 8 1569 58605
Saint-Christophe AO 8 3432 62037
Allein AO 9 229 62266
Avise AO 9 305 62571
Etroubles AO 10 501 63072
Doues AO 10 510 63582
Saint-Oyen AO 11 203 63785
Brissogne AO 11 1008 64793
Saint-Rhémy-en-Bosses AO 12 338 65131
Valpelline AO 12 657 65788
Rhêmes-Saint-Georges AO 12 194 65982
Quart AO 12 4039 70021
Ollomont AO 14 157 70178
La Salle AO 15 2087 72265
Saint-Marcel AO 15 1362 73627
Cogne AO 16 1417 75044
Nus AO 16 2984 78028
Valsavarenche AO 16 161 78189
Oyace AO 16 219 78408
Morgex AO 17 2104 80512
Fénis AO 18 1813 82325
Valgrisenche AO 19 196 82521

Municipalities with at least 50000 inhabitants

An earthquake occurred to
80 Km NW of Torino (890529 inhabitants)
88 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
Rev 1000 Md 2.5
M 2.7
1989-11-18
01:50:09
45.73 7.26 1 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 104499
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-11-18 01:50:09 ± 0.288
Latitude 45.73 ± 0.01
Longitude 7.26 ± 0.02
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 104499

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) 1951.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
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) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.02841
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 104499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:37:21

M:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 104499
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 Takeoff_angle Residual Weight
--.HAU.Z. 1989-11-18T01:51:19.00 10.0 undecidable manual SN 344 0.0211 0.4 0.5
--.BSF.Z. 1989-11-18T01:51:12.70 10.0 undecidable manual SN 351 0.019 -0.36 0.6
--.BGF.Z. 1989-11-18T01:51:00.20 10.0 undecidable manual PN 286 0.0284 -0.36 1
--.LBF.Z. 1989-11-18T01:50:55.60 10.0 undecidable manual PN! 300 0.0232 2.98 0
--.PZZ.Z. 1989-11-18T01:50:51.13 10.0 undecidable manual SN 185 0.0111 -0.82 0.7
--.HAU.Z. 1989-11-18T01:50:50.80 10.0 undecidable manual PN 344 0.0211 1.36 0.4
--.BSF.Z. 1989-11-18T01:50:46.60 10.0 undecidable manual PN 351 0.019 0.36 1.5
--.RRL.Z. 1989-11-18T01:50:41.57 10.0 undecidable manual SG 202 0.0079 0.05 0.9
--.BNI.Z. 1989-11-18T01:50:37.18 10.0 undecidable manual SG 210 0.0071 -1.6 0.1
--.PZZ.Z. 1989-11-18T01:50:34.61 10.0 undecidable manual PN 185 0.0111 0.56 1.7
--.RSP.Z. 1989-11-18T01:50:33.25 10.0 undecidable manual SG 180 0.0052 1.27 0.1
--.ORX.Z. 1989-11-18T01:50:29.40 10.0 undecidable manual SG 101 0.0046 -0.4 0.5
--.ORO.Z. 1989-11-18T01:50:29.00 10.0 undecidable manual SG 101 0.0046 -0.48 0.5
--.RRL.Z. 1989-11-18T01:50:27.88 10.0 undecidable manual PG 202 0.0079 -0.15 2.1
--.BNI.Z. 1989-11-18T01:50:26.74 10.0 undecidable manual PG 210 0.0071 0.29 2.2
--.LPG.Z. 1989-11-18T01:50:25.40 10.0 undecidable manual SG 236 0.0038 -0.62 0.4
--.LSD.Z. 1989-11-18T01:50:23.50 10.0 undecidable manual SG! 194 0.0025 2.9 0
--.RSP.Z. 1989-11-18T01:50:23.24 10.0 undecidable manual PG 180 0.0052 0.71 1.6
--.ORO.Z. 1989-11-18T01:50:21.10 10.0 undecidable manual PG 101 0.0046 0.02 2
--.ORX.Z. 1989-11-18T01:50:20.82 10.0 undecidable manual PG 101 0.0046 -0.24 1.6
--.LPG.Z. 1989-11-18T01:50:19.00 10.0 undecidable manual PG 236 0.0038 -0.08 1.9
--.LPL.Z. 1989-11-18T01:50:18.80 10.0 undecidable manual PG 239 0.0038 -0.31 1.4
--.LSD.Z. 1989-11-18T01:50:17.69 10.0 undecidable manual PG 194 0.0025 1.73 0.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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Type Description Link
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