Earthquake with magnitude of ML 0.9 on date 28-05-2022 and time 03:46:50 (Italy) in region 5 km S Demonte (CN)

A magnitude ML 0.9 earthquake occured in region: 5 km S Demonte (CN), on

  • 28-05-2022 01:46:50 (UTC)
  • 28-05-2022 03:46:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2760, 7.3150 at 16 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
Demonte CN 5 2003 2003
Valdieri CN 7 935 2938
Entracque CN 8 774 3712
Moiola CN 8 234 3946
Valloriate CN 9 109 4055
Aisone CN 9 248 4303
Gaiola CN 10 582 4885
Rittana CN 11 109 4994
Roaschia CN 11 107 5101
Vinadio CN 12 644 5745
Roccasparvera CN 13 741 6486
Roccavione CN 14 2761 9247
Monterosso Grana CN 15 505 9752
Borgo San Dalmazzo CN 15 12468 22220
Vignolo CN 16 2600 24820
Bernezzo CN 16 4104 28924
Valgrana CN 16 786 29710
Robilante CN 16 2306 32016
Pradleves CN 16 250 32266
Castelmagno CN 17 66 32332
Cervasca CN 17 5013 37345
Vernante CN 18 1178 38523
Caraglio CN 18 6836 45359
Montemale di Cuneo CN 19 241 45600
Boves CN 20 9835 55435

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km SW of Cuneo (56081 inhabitants)
63 Km NW of Sanremo (54807 inhabitants)
86 Km SW of Moncalieri (57294 inhabitants)
93 Km W of Savona (61345 inhabitants)
93 Km SW of Torino (890529 inhabitants)
99 Km SW 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 0.9 2022-05-28
01:46:50
44.2762 7.3148 16 2023-01-31
19:03:14
Bollettino Sismico Italiano INGV 105643891
Reviewed
Rev100
ML 0.9 2022-05-28
01:46:50
44.2725 7.3197 16 2022-05-28
01:51:05
Sala Sismica INGV-Roma 105236701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-28 01:46:50 ± 0.2
Latitude 44.2762 ± 0.0090
Longitude 7.3148 ± 0.0138
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 105643891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1360
Semi-minor axis of confidence ellipse (meter) 275
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 1360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 0.37772
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 105643891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-06-06 06:50:34

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 105236701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-28 01:51:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GBOS.HHZ. 2022-05-28T01:47:04.20 0.3 undecidable manual S 95 41.9247 100 -0.3 66
FR.SAOF.HHE.00 2022-05-28T01:47:02.88 0.1 undecidable manual S 149 37.3293 102 -0.43 88
GU.PZZ.HHZ. 2022-05-28T01:47:01.18 0.1 undecidable manual S 328 30.0477 106 -0.23 91
FR.SAOF.HHE.00 2022-05-28T01:46:58.12 0.1 undecidable manual P 149 37.3293 102 0.12 92
GU.GBOS.HHZ. 2022-05-28T01:46:58.79 0.1 undecidable manual P 95 41.9247 100 0.1 93
GU.PZZ.HHZ. 2022-05-28T01:46:56.98 0.1 undecidable manual P 328 30.0477 106 0.08 96
GU.ENR.HHZ. 2022-05-28T01:46:56.79 0.1 undecidable manual S 122 9.6792 143 0 100
GU.STV.HHZ. 2022-05-28T01:46:55.96 0.1 undecidable manual S 165 3.5964 165 -0.1 99
GU.STV.HHZ. 2022-05-28T01:46:54.05 0.1 undecidable manual P 165 3.5964 165 0.24 96
GU.ENR.HHZ. 2022-05-28T01:46:54.57 0.1 undecidable manual P 122 9.6792 143 0.34 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.STV.HHN. ML:0.8 0.00006135 0.1 AML other m 2022-05-28T01:46:56.07
GU.STV.HHE. ML:0.7 0.0000484 1.72 AML other m 2022-05-28T01:46:56.99
GU.ENR.HHN. ML:1.3 0.00019 0.08 AML other m 2022-05-28T01:46:56.94
GU.ENR.HHE. ML:1.2 0.0001495 1.56 AML other m 2022-05-28T01:46:57.89
GU.PZZ.HHN. ML:1.0 0.0000405 0.34 AML other m 2022-05-28T01:47:01.86
GU.PZZ.HHE. ML:0.8 0.00002735 0.42 AML other m 2022-05-28T01:47:01.94
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