Earthquake with magnitude of ML 0.7 on date 09-09-2021 and time 11:17:33 (Italy) in region 3 km SE Frabosa Soprana (CN)

A magnitude ML 0.7 earthquake occured in region: 3 km SE Frabosa Soprana (CN), on

  • 09-09-2021 09:17:33 (UTC)
  • 09-09-2021 11:17:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2710, 7.8350 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Frabosa Soprana CN 3 759 759
Frabosa Sottana CN 5 1497 2256
Roburent CN 6 495 2751
Montaldo di Mondovì CN 6 557 3308
Pamparato CN 6 302 3610
Monastero di Vasco CN 8 1297 4907
Roccaforte Mondovì CN 9 2085 6992
Villanova Mondovì CN 10 5792 12784
Torre Mondovì CN 11 498 13282
Viola CN 11 391 13673
Monasterolo Casotto CN 11 89 13762
Vicoforte CN 12 3136 16898
Lisio CN 12 201 17099
Mondovì CN 13 22484 39583
San Michele Mondovì CN 13 2003 41586
Chiusa di Pesio CN 14 3676 45262
Scagnello CN 14 194 45456
Briaglia CN 14 318 45774
Ormea CN 15 1617 47391
Pianfei CN 15 2202 49593
Battifollo CN 15 219 49812
Mombasiglio CN 15 609 50421
Priola CN 15 701 51122
Bagnasco CN 17 1035 52157
Niella Tanaro CN 18 1046 53203
Garessio CN 18 3244 56447
Lesegno CN 18 794 57241
Beinette CN 18 3423 60664
Peveragno CN 19 5543 66207
Margarita CN 19 1441 67648
Rocca de' Baldi CN 19 1662 69310
Massimino SV 19 113 69423
Nucetto CN 20 430 69853
Morozzo CN 20 2086 71939
Bastia Mondovì CN 20 669 72608
Caprauna CN 20 104 72712
Cigliè CN 20 190 72902

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SE of Cuneo (56081 inhabitants)
50 Km N of Sanremo (54807 inhabitants)
52 Km W of Savona (61345 inhabitants)
76 Km SW of Asti (76202 inhabitants)
82 Km S of Moncalieri (57294 inhabitants)
89 Km W of Genova (586655 inhabitants)
90 Km S of Torino (890529 inhabitants)
95 Km SW of Alessandria (93943 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 0.7 2021-09-09
09:17:33
44.2712 7.8347 11 2021-09-09
09:22:49
Sala Sismica INGV-Roma 95230131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-09 09:17:33 ± 0.22
Latitude 44.2712 ± 0.0153
Longitude 7.8347 ± 0.0151
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95230131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1891
Semi-minor axis of confidence ellipse (meter) 832
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 31
Circular confidence region, given by single value of horizontal uncertainty (meter) 1890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 180
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.02968
Epicentral distance of station farthest from the epicenter (degree) 1.13315
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 95230131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-09 09:22:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.BNI.HHZ. 2021-09-09T09:17:54.28 0.6 positive manual P 314 125.7741 90 0.12 43
GU.STV.HHZ. 2021-09-09T09:17:46.33 0.6 undecidable manual S 266 40.5261 90 -0.29 48
GU.ENR.HHZ. 2021-09-09T09:17:44.31 0.6 undecidable manual S 262 33.4443 90 -0.43 48
GU.MGRO.HHE. 2021-09-09T09:17:42.78 0.6 undecidable manual S 185 25.4523 90 0.17 51
GU.STV.HHZ. 2021-09-09T09:17:41.59 1.0 undecidable manual P 266 40.5261 90 0.57 22
GU.RORO.HHZ. 2021-09-09T09:17:41.97 0.6 undecidable manual S 134 25.5522 90 -0.66 44
GU.ENR.HHZ. 2021-09-09T09:17:40.12 1.0 negative manual P 262 33.4443 90 0.19 25
GU.RORO.HHZ. 2021-09-09T09:17:38.85 0.6 undecidable manual P 134 25.5522 90 0.14 51
GU.MGRO.HHE. 2021-09-09T09:17:38.97 0.1 undecidable manual P 185 25.4523 90 0.27 100
GU.GBOS.HHZ. 2021-09-09T09:17:37.04 0.6 undecidable manual S 173 3.2967 158 -0.35 51
GU.GBOS.HHZ. 2021-09-09T09:17:35.90 0.6 undecidable manual P 173 3.2967 158 0.21 52
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GBOS.HHN. ML:1.2 0.00024349999999999998 0.12 AML other m 2021-09-09T09:17:37.12
GU.GBOS.HHE. ML:0.5 0.00005093143 0.2368 AML other m 2021-09-09T09:17:37.20
GU.ENR.HHE. ML:0.6 0.000014306767000000001 0.6592 AML other m 2021-09-09T09:17:44.40
GU.ENR.HHN. ML:1.0 0.000040999734999999995 0.8384 AML other m 2021-09-09T09:17:44.85
GU.RORO.HHE. ML:1.5 0.00016657499500000002 0.6784 AML other m 2021-09-09T09:17:40.42
GU.RORO.HHN. ML:0.6 0.000018004195 0.2944 AML other m 2021-09-09T09:17:42.31
GU.STV.HHE. ML:0.6 0.000014175325000000001 1.504 AML other m 2021-09-09T09:17:46.38
GU.STV.HHN. ML:0.2 0.000007022514500000001 0.48 AML other m 2021-09-09T09:17:46.29
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