Earthquake with magnitude of ML 1.1 on date 27-04-2022 and time 15:15:44 (Italy) in region 1 km N Pontechianale (CN)

A magnitude ML 1.1 earthquake occured in region: 1 km N Pontechianale (CN), on

  • 27-04-2022 13:15:44 (UTC)
  • 27-04-2022 15:15:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6330, 7.0320 at 12 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
Pontechianale CN 1 179 179
Casteldelfino CN 5 157 336
Bellino CN 6 109 445
Elva CN 11 97 542
Crissolo CN 13 168 710
Oncino CN 14 76 786
Sampeyre CN 14 1022 1808
Ostana CN 14 83 1891
Stroppo CN 16 103 1994
Prazzo CN 17 170 2164
Acceglio CN 18 162 2326
Macra CN 19 59 2385
Marmora CN 20 68 2453
Canosio CN 20 80 2533

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km NW of Cuneo (56081 inhabitants)
66 Km SW of Moncalieri (57294 inhabitants)
71 Km SW of Torino (890529 inhabitants)
97 Km W 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 1.1 2022-04-27
13:15:44
44.6327 7.0323 13 2022-04-27
13:21:25
Sala Sismica INGV-Roma 103847571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-27 13:15:44 ± 0.25
Latitude 44.6327 ± 0.0126
Longitude 7.0323 ± 0.0202
Depth (km) 13 ± 7 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 103847571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1457
Semi-minor axis of confidence ellipse (meter) 1369
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 219
Circular confidence region, given by single value of horizontal uncertainty (meter) 1460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 174
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.13939
Epicentral distance of station farthest from the epicenter (degree) 0.82917
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 103847571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-27 13:21:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RSP.HHE. 2022-04-27T13:16:02.73 0.6 undecidable manual S 18 60.0954 92 0.22 50
GU.LSD.HHZ. 2022-04-27T13:16:00.00 0.1 undecidable manual P 5 92.0412 91 0.37 91
GU.ENR.HHZ. 2022-04-27T13:16:00.54 0.6 undecidable manual S 146 54.2013 92 -0.4 46
MN.BNI.HHZ. 2022-04-27T13:16:00.56 0.6 undecidable manual S 329 54.2013 92 -0.4 42
GU.STV.HHZ. 2022-04-27T13:15:58.85 0.6 undecidable manual S 151 48.9177 92 -0.68 42
GU.RRL.HHE. 2022-04-27T13:15:55.64 0.6 undecidable manual S 329 37.2294 93 -0.79 37
GU.ENR.HHZ. 2022-04-27T13:15:54.22 1.0 undecidable manual P 146 54.2013 92 0.43 24
MN.BNI.HHZ. 2022-04-27T13:15:54.46 0.3 positive manual P 329 54.2013 92 0.66 69
GU.STV.HHZ. 2022-04-27T13:15:53.30 0.6 negative manual P 151 48.9177 92 0.33 49
GU.BHB.HHZ. 2022-04-27T13:15:53.84 0.6 undecidable manual S 39 28.9488 95 -0.37 46
GU.RSP.HHE. 2022-04-27T13:15:53.78 0.1 undecidable manual P 18 60.0954 92 -0.91 69
GU.RRL.HHE. 2022-04-27T13:15:51.21 0.1 undecidable manual P 329 37.2294 93 0.03 100
GU.BHB.HHZ. 2022-04-27T13:15:50.26 0.3 undecidable manual P 39 28.9488 95 0.36 77
GU.PZZ.HHZ. 2022-04-27T13:15:50.65 0.6 undecidable manual S 155 15.4734 110 -0.03 53
GU.PZZ.HHZ. 2022-04-27T13:15:48.11 0.3 undecidable manual P 155 15.4734 110 0.25 79
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1.3 0.000186 0.72 AML other m 2022-04-27T13:15:50.28
GU.PZZ.HHE. ML:1.4 0.00020999999999999998 0.22 AML other m 2022-04-27T13:15:50.75
GU.BHB.HHE. ML:0.9 0.000039 0.16 AML other m 2022-04-27T13:15:54.79
GU.BHB.HHN. ML:1.0 0.00004485 1.86 AML other m 2022-04-27T13:15:55.01
GU.ENR.HHN. ML:1.2 0.0000413 0.3 AML other m 2022-04-27T13:16:01.30
GU.ENR.HHE. ML:1.2 0.000038 0.18 AML other m 2022-04-27T13:16:01.31
GU.STV.HHE. ML:0.8 0.000013346516499999998 0.1024 AML other m 2022-04-27T13:15:59.59
GU.STV.HHN. ML:0.6 0.000009412936 0.1024 AML other m 2022-04-27T13:16:00.39
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