Earthquake with magnitude of ML 1.2 on date 27-04-2022 and time 05:35:10 (Italy) in region 4 km NE Pontechianale (CN)

A magnitude ML 1.2 earthquake occured in region: 4 km NE Pontechianale (CN), on

  • 27-04-2022 03:35:10 (UTC)
  • 27-04-2022 05:35:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6430, 7.0690 at 10 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 4 179 179
Casteldelfino CN 6 157 336
Bellino CN 8 109 445
Crissolo CN 10 168 613
Oncino CN 10 76 689
Ostana CN 11 83 772
Elva CN 12 97 869
Sampeyre CN 12 1022 1891
Stroppo CN 16 103 1994
Paesana CN 17 2784 4778
Prazzo CN 18 170 4948
Macra CN 18 59 5007
Frassino CN 18 265 5272
Bobbio Pellice TO 19 563 5835
Acceglio CN 19 162 5997
RorĂ  TO 20 257 6254
Celle di Macra CN 20 100 6354
Villar Pellice TO 20 1076 7430

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km NW of Cuneo (56081 inhabitants)
63 Km SW of Moncalieri (57294 inhabitants)
68 Km SW of Torino (890529 inhabitants)
94 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
03:35:10
44.6427 7.0688 10 2022-04-27
03:43:36
Sala Sismica INGV-Roma 103829031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-27 03:35:10 ± 0.08
Latitude 44.6427 ± 0.0036
Longitude 7.0688 ± 0.0114
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 103829031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 860
Semi-minor axis of confidence ellipse (meter) 360
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.14029
Epicentral distance of station farthest from the epicenter (degree) 0.48204
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 103829031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-27 03:43:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.ENR.HHZ. 2022-04-27T03:35:20.13 1.0 negative manual P 149 53.502 50 0.11 24
GU.BHB.HHZ. 2022-04-27T03:35:19.87 0.1 undecidable manual S 36 26.2515 50 -0.06 100
GU.STV.HHZ. 2022-04-27T03:35:19.35 0.6 undecidable manual P 155 48.618 50 0.09 48
GU.RRL.HHZ. 2022-04-27T03:35:17.55 0.1 positive manual P 325 37.9287 50 -0.06 98
GU.PZZ.HHZ. 2022-04-27T03:35:16.44 0.1 undecidable manual S 166 15.5733 123 -0.18 99
GU.BHB.HHZ. 2022-04-27T03:35:16.06 1.0 positive manual P 36 26.2515 50 0.24 24
GU.PZZ.HHZ. 2022-04-27T03:35:14.09 0.1 negative manual P 166 15.5733 123 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHE. ML:1.3 0.0001985 1.36 AML other m 2022-04-27T03:35:17.86
GU.PZZ.HHN. ML:1.2 0.0001655 0.16 AML other m 2022-04-27T03:35:17.19
GU.ENR.HHE. ML:1.0 0.000025450000000000002 0.16 AML other m 2022-04-27T03:35:27.74
GU.ENR.HHN. ML:1.0 0.00002565 0.96 AML other m 2022-04-27T03:35:27.33
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