Earthquake with magnitude of ML 1.2 on date 28-04-2022 and time 00:31:16 (Italy) in region 2 km NE Pontechianale (CN)

A magnitude ML 1.2 earthquake occured in region: 2 km NE Pontechianale (CN), on

  • 27-04-2022 22:31:16 (UTC)
  • 28-04-2022 00:31:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6320, 7.0430 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
Pontechianale CN 2 179 179
Casteldelfino CN 5 157 336
Bellino CN 6 109 445
Elva CN 11 97 542
Crissolo CN 12 168 710
Oncino CN 13 76 786
Sampeyre CN 13 1022 1808
Ostana CN 13 83 1891
Stroppo CN 16 103 1994
Prazzo CN 17 170 2164
Acceglio CN 18 162 2326
Macra CN 18 59 2385
Paesana CN 20 2784 5169
Frassino CN 20 265 5434
Marmora CN 20 68 5502
Canosio CN 20 80 5582
Celle di Macra CN 20 100 5682

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km NW of Cuneo (56081 inhabitants)
65 Km SW of Moncalieri (57294 inhabitants)
70 Km SW of Torino (890529 inhabitants)
96 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 1.2 2022-04-27
22:31:16
44.6323 7.0433 11 2022-04-27
22:37:04
Sala Sismica INGV-Roma 103865241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-27 22:31:16 ± 0.09
Latitude 44.6323 ± 0.0072
Longitude 7.0433 ± 0.0114
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 103865241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1180
Semi-minor axis of confidence ellipse (meter) 230
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
Circular confidence region, given by single value of horizontal uncertainty (meter) 1180.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.07289
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 103865241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-27 22:37:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PII.HHZ. 2022-04-27T22:32:06.75 3.0 undecidable manual S 0
IV.PII.HHZ. 2022-04-27T22:32:05.33 3.0 undecidable manual Pg 10.08 0
GU.PCP.HHZ. 2022-04-27T22:31:50.43 0.6 undecidable manual S 94 119.0919 90 0.08 41
GU.CANO.HHZ. 2022-04-27T22:31:46.77 0.6 undecidable manual S 116 105.7164 90 -0.03 43
RD.ORIF.BHZ. 2022-04-27T22:31:44.12 0.6 undecidable manual S 290 96.9252 90 -0.35 40
GU.PCP.HHZ. 2022-04-27T22:31:36.24 0.6 undecidable manual P 94 119.0919 90 0.36 38
GU.RSP.HHZ. 2022-04-27T22:31:34.51 0.6 undecidable manual S 17 59.7957 90 -0.03 47
GU.CANO.HHZ. 2022-04-27T22:31:34.09 0.6 undecidable manual P 116 105.7164 90 0.26 40
MN.BNI.HHZ. 2022-04-27T22:31:32.37 0.6 undecidable manual S 328 54.7008 90 -0.81 38
RD.ORIF.BHZ. 2022-04-27T22:31:32.98 0.6 undecidable manual P 290 96.9252 90 0.49 39
GU.ENR.HHZ. 2022-04-27T22:31:32.51 0.3 undecidable manual S 146 53.7018 90 -0.4 65
GU.STV.HHZ. 2022-04-27T22:31:31.13 0.6 undecidable manual S 152 48.4182 90 -0.38 44
GU.RRL.HHZ. 2022-04-27T22:31:28.49 0.6 undecidable manual S 328 37.7289 90 -0.15 47
GU.RSP.HHZ. 2022-04-27T22:31:27.53 0.6 negative manual P 17 59.7957 90 0.78 37
GU.ENR.HHZ. 2022-04-27T22:31:25.92 0.1 undecidable manual P 146 53.7018 90 0.11 92
GU.STV.HHZ. 2022-04-27T22:31:25.26 0.1 undecidable manual P 152 48.4182 90 0.25 90
GU.BHB.HHZ. 2022-04-27T22:31:25.76 0.6 undecidable manual S 37 28.4493 90 -0.4 46
MN.BNI.HHZ. 2022-04-27T22:31:25.43 1.0 undecidable manual P 328 54.7008 90 -0.54 21
GU.RRL.HHZ. 2022-04-27T22:31:23.42 0.1 positive manual P 328 37.7289 90 0.07 96
GU.BHB.HHZ. 2022-04-27T22:31:22.14 0.1 negative manual P 37 28.4493 90 0.23 94
GU.PZZ.HHZ. 2022-04-27T22:31:22.34 0.6 undecidable manual S 158 15.0738 90 -0.26 48
GU.PZZ.HHZ. 2022-04-27T22:31:19.80 0.1 undecidable manual P 158 15.0738 90 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHE. ML:2.0 0.0008585 0.14 AML other m 2022-04-27T22:31:22.71
GU.PZZ.HHN. ML:1.8 0.0006795 1.14 AML other m 2022-04-27T22:31:23.62
GU.BHB.HHN. ML:1.2 0.00008384999999999999 0.36 AML other m 2022-04-27T22:31:26.93
GU.BHB.HHE. ML:1.0 0.000048200000000000006 0.54 AML other m 2022-04-27T22:31:27.34
GU.RRL.HHE. ML:1.1 0.00004725 1.28 AML other m 2022-04-27T22:31:29.70
GU.RRL.HHN. ML:1.2 0.00005375 0.94 AML other m 2022-04-27T22:31:29.38
GU.STV.HHE. ML:1.2 0.0000438 1.08 AML other m 2022-04-27T22:31:31.54
GU.STV.HHN. ML:1.0 0.00002895 1.86 AML other m 2022-04-27T22:31:32.99
MN.BNI.HHE. ML:0.8 0.000015949999999999998 0.94 AML other m 2022-04-27T22:31:33.47
GU.ENR.HHE. ML:1.5 0.00008065 0.24 AML other m 2022-04-27T22:31:33.59
GU.ENR.HHN. ML:1.5 0.00006835 0.96 AML other m 2022-04-27T22:31:33.18
MN.BNI.HHN. ML:0.8 0.000014795 1.02 AML other m 2022-04-27T22:31:35.69
GU.RSP.HHN. ML:1.1 0.00002265 0.22 AML other m 2022-04-27T22:31:37.74
GU.RSP.HHE. ML:1.0 0.0000189 0.48 AML other m 2022-04-27T22:31:38.30
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