Earthquake with magnitude of ML 1.1 on date 25-07-2007 and time 09:38:27 (Italy) in region 3 km W Vernante (CN)

A magnitude ML 1.1 earthquake occured in region: 3 km W Vernante (CN), on

  • 25-07-2007 07:38:27 (UTC)
  • 25-07-2007 09:38:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2460, 7.5000 at 11 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
Vernante CN 3 1178 1178
Roaschia CN 4 107 1285
Robilante CN 6 2306 3591
Limone Piemonte CN 8 1485 5076
Roccavione CN 8 2761 7837
Entracque CN 8 774 8611
Valdieri CN 9 935 9546
Borgo San Dalmazzo CN 9 12468 22014
Boves CN 10 9835 31849
Roccasparvera CN 12 741 32590
Moiola CN 12 234 32824
Gaiola CN 12 582 33406
Vignolo CN 13 2600 36006
Peveragno CN 13 5543 41549
Rittana CN 14 109 41658
Valloriate CN 14 109 41767
Cervasca CN 16 5013 46780
Bernezzo CN 17 4104 50884
Chiusa di Pesio CN 17 3676 54560
Cuneo CN 17 56081 110641
Beinette CN 18 3423 114064
Demonte CN 18 2003 116067
Caraglio CN 20 6836 122903

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km S of Cuneo (56081 inhabitants)
52 Km NW of Sanremo (54807 inhabitants)
79 Km W of Savona (61345 inhabitants)
85 Km S of Moncalieri (57294 inhabitants)
92 Km SW of Asti (76202 inhabitants)
93 Km S of Torino (890529 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 1.8
ML 1.1
2007-07-25
07:38:27
44.246 7.5 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 643269
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-07-25 07:38:27 ± 0.06
Latitude 44.2460 ± 0.0027
Longitude 7.5000 ± 0.0038
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 643269

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 388
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 323
Circular confidence region, given by single value of horizontal uncertainty (meter) 424.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 176
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.12501
Epicentral distance of station farthest from the epicenter (degree) 0.50902
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 643269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:13:53

Md:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 643269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:13:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIN.SHZ. 2007-07-25T07:38:44.74 0.1 undecidable manual Sg 94 56.499 0.02 46
IV.DOI.HHN. 2007-07-25T07:38:38.85 0.1 undecidable manual Sg 325 34.9428 -0.13 47
IV.FIN.SHZ. 2007-07-25T07:38:37.26 0.1 undecidable manual Pg 94 56.499 -0.042 92
IV.DOI.HHN. 2007-07-25T07:38:34.10 0.1 undecidable manual Pg 325 34.9428 0.112 94
GU.STV.HHE. 2007-07-25T07:38:33.28 0.1 undecidable manual Sg 270 13.875 -0.026 50
GU.STV.HHE. 2007-07-25T07:38:30.71 0.1 undecidable manual Pg 270 13.875 0 100
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