Earthquake with magnitude of ML 0.9 on date 22-05-2012 and time 07:51:41 (UTC) in region 5 km W Champdepraz (AO)

A magnitude ML 0.9 earthquake occured in region: 5 km W Champdepraz (AO), on

  • 22-05-2012 07:51:41 (UTC)
  • 22-05-2012 09:51:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.6780, 7.5960 at 5 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
Champdepraz AO 5 712 712
Champorcher AO 6 388 1100
Pontey AO 7 817 1917
Montjovet AO 7 1801 3718
Issogne AO 7 1400 5118
Verrès AO 7 2696 7814
Châtillon AO 8 4772 12586
Chambave AO 8 931 13517
Challand-Saint-Victor AO 9 564 14081
Saint-Denis AO 9 378 14459
Saint-Vincent AO 9 4660 19119
Emarèse AO 10 226 19345
Fénis AO 10 1813 21158
Arnad AO 10 1273 22431
Verrayes AO 11 1302 23733
Pontboset AO 11 185 23918
Challand-Saint-Anselme AO 12 751 24669
Nus AO 12 2984 27653
Saint-Marcel AO 13 1362 29015
Hône AO 13 1166 30181
Brusson AO 14 897 31078
Torgnon AO 14 558 31636
Bard AO 14 119 31755
Antey-Saint-André AO 14 602 32357
La Magdeleine AO 15 109 32466
Donnas AO 16 2563 35029
Quart AO 16 4039 39068
Brissogne AO 16 1008 40076
Ayas AO 17 1401 41477
Valprato Soana TO 18 108 41585
Pont-Saint-Martin AO 18 3840 45425
Perloz AO 18 477 45902
Chamois AO 18 97 45999
Pollein AO 19 1569 47568
Carema TO 20 774 48342

Municipalities with at least 50000 inhabitants

An earthquake occurred to
67 Km N of Torino (890529 inhabitants)
76 Km N of Moncalieri (57294 inhabitants)
84 Km W of Novara (104380 inhabitants)
93 Km W of Gallarate (53343 inhabitants)
97 Km W of Varese (80799 inhabitants)
98 Km W of Busto Arsizio (83106 inhabitants)
99 Km NW of Asti (76202 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
Reviewed
Rev100
ML 0.9 2012-05-22
07:51:41
45.6897 7.5937 1 2014-10-21
12:19:34
Sala Sismica INGV-Roma 1358141
Bulletin
Rev1000
ML 0.9 2012-05-22
07:51:41
45.6775 7.5965 5 2014-09-19
08:14:18
Bollettino Sismico Italiano INGV 2231391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-05-22 07:51:41 ± 0.19
Latitude 45.6775 ± 0.0090
Longitude 7.5965 ± 0.0154
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 2231391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1330
Semi-minor axis of confidence ellipse (meter) 780
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 307
Circular confidence region, given by single value of horizontal uncertainty (meter) 1330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.19515
Epicentral distance of station farthest from the epicenter (degree) 0.45236
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.0
Num. used stations 1
Type of magnitude ML
Reference to an origin 2231391
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:40:09

ML:0.9

Field Value
Value 0.9
Uncertainty 0.0
Num. used stations 0
Type of magnitude ML
Reference to an origin 1358141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-05-22 08:18:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.MMK.HHZ. 2012-05-22T07:51:57.97 0.1 undecidable manual S 34 50.2164 -0.64 84
GU.LSD.HHZ. 2012-05-22T07:51:56.24 0.1 undecidable manual S 236 43.3233 -0.28 94
GU.SATI.HHZ. 2012-05-22T07:51:52.53 0.1 undecidable manual S 44 30.4473 0.43 93
CH.MMK.HHZ. 2012-05-22T07:51:51.14 0.1 undecidable manual P 34 50.2164 -0.2 94
GU.LSD.HHZ. 2012-05-22T07:51:50.59 0.1 undecidable manual P 236 43.3233 0.46 90
GU.TRAV.HHZ. 2012-05-22T07:51:48.78 0.1 undecidable manual S 147 21.6672 -0.35 96
GU.SATI.HHZ. 2012-05-22T07:51:47.65 0.1 undecidable manual P 44 30.4473 0.07 100
GU.TRAV.HHZ. 2012-05-22T07:51:46.32 0.1 undecidable manual P 147 21.6672 0.46 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.TRAV.HHE. ML:0.8 0.00005165 0.24 AML other m 2012-05-22T07:51:49.09
GU.TRAV.HHN. ML:0.9 0.00005645 0.6 AML other m 2012-05-22T07:51:49.29
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