Earthquake with magnitude of ML 1.2 on date 28-05-2022 and time 16:56:49 (Italy) in region 4 km N Pontechianale (CN)

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

  • 28-05-2022 14:56:49 (UTC)
  • 28-05-2022 16:56:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6550, 7.0320 at 10 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
Pontechianale CN 4 179 179
Casteldelfino CN 8 157 336
Bellino CN 8 109 445
Crissolo CN 11 168 613
Oncino CN 13 76 689
Ostana CN 13 83 772
Elva CN 14 97 869
Sampeyre CN 15 1022 1891
Stroppo CN 18 103 1994
Bobbio Pellice TO 18 563 2557
Prazzo CN 19 170 2727
Paesana CN 20 2784 5511
Villar Pellice TO 20 1076 6587

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km NW of Cuneo (56081 inhabitants)
64 Km SW of Moncalieri (57294 inhabitants)
69 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
Bulletin
Rev1000
ML 1.2 2022-05-28
14:56:49
44.6553 7.032 10 2023-01-31
19:03:15
Bollettino Sismico Italiano INGV 105658261
Reviewed
Rev100
ML 1.2 2022-05-28
14:56:49
44.6442 7.0192 11 2022-05-28
15:05:39
Sala Sismica INGV-Roma 105268921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-28 14:56:49 ± 0.18
Latitude 44.6553 ± 0.0081
Longitude 7.0320 ± 0.0126
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 105658261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 951
Semi-minor axis of confidence ellipse (meter) 843
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) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.85795
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 105658261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-06-06 13:27:06

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 105268921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-28 15:05:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.GNV.HGZ. 2022-05-28T14:57:42.18 3.0 undecidable manual Sg 2.2 0
RD.ORIF.BHZ. 2022-05-28T14:57:16.58 0.1 undecidable manual S 288 95.238 50 -0.73 72
FR.SAOF.HHE.00 2022-05-28T14:57:15.03 0.1 undecidable manual S 151 84.9483 50 0.47 81
RD.ORIF.BHZ. 2022-05-28T14:57:06.03 0.1 undecidable manual P 288 95.238 50 0.62 75
MN.BNI.HHZ. 2022-05-28T14:57:05.63 0.1 undecidable manual S 328 52.1034 50 -0.15 92
FR.SAOF.HHE.00 2022-05-28T14:57:04.16 0.1 undecidable manual P 151 84.9483 50 0.34 83
GU.STV.HHZ. 2022-05-28T14:57:04.99 0.6 undecidable manual S 153 51.1155 50 -0.53 42
GU.RRL.HHZ. 2022-05-28T14:57:01.03 0.6 undecidable manual S 327 35.1426 50 -0.21 47
MN.BNI.HHZ. 2022-05-28T14:56:59.04 0.1 undecidable manual P 328 52.1034 50 0.29 89
GU.ENR.HHZ. 2022-05-28T14:56:59.25 0.1 undecidable manual P 147 56.2992 50 -0.15 91
GU.BHB.HHN. 2022-05-28T14:56:58.68 0.1 undecidable manual S 42 27.0507 50 -0.41 91
GU.STV.HHZ. 2022-05-28T14:56:58.47 0.1 undecidable manual P 153 51.1155 50 -0.14 92
GU.RRL.HHZ. 2022-05-28T14:56:56.44 0.1 undecidable manual P 327 35.1426 50 0.31 92
GU.PZZ.HHE. 2022-05-28T14:56:55.87 0.1 undecidable manual S 158 17.7711 119 -0.35 93
GU.BHB.HHN. 2022-05-28T14:56:55.16 0.1 undecidable manual P 42 27.0507 50 0.27 94
GU.PZZ.HHE. 2022-05-28T14:56:53.27 0.1 undecidable manual P 158 17.7711 119 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHE. ML:1.6 0.000345 0.3 AML other m 2022-05-28T14:56:56.05
GU.PZZ.HHN. ML:1.8 0.000499 0.28 AML other m 2022-05-28T14:56:56.11
GU.BHB.HHN. ML:1.1 0.0000711 0.74 AML other m 2022-05-28T14:56:58.87
GU.BHB.HHE. ML:1.0 0.000054099999999999994 0.72 AML other m 2022-05-28T14:56:59.85
GU.RRL.HHE. ML:1.1 0.000051450000000000004 1.44 AML other m 2022-05-28T14:57:01.26
GU.RRL.HHN. ML:1.0 0.00003995 1.86 AML other m 2022-05-28T14:57:02.94
GU.STV.HHN. ML:1.1 0.0000313 0.72 AML other m 2022-05-28T14:57:05.42
GU.STV.HHE. ML:1.1 0.0000299 0.46 AML other m 2022-05-28T14:57:06.43
GU.ENR.HHE. ML:1.5 0.0000659 1.46 AML other m 2022-05-28T14:57:07.06
GU.ENR.HHN. ML:1.3 0.0000445 1.02 AML other m 2022-05-28T14:57:07.98
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