Earthquake with magnitude of ML 1.3 on date 25-11-2022 and time 21:54:59 (UTC) in region Costa Ligure centro occidentale (Savona)

A magnitude ML 1.3 earthquake occured in region: Costa Ligure centro occidentale (Savona), on

  • 25-11-2022 21:54:59 (UTC)
  • 25-11-2022 22:54:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9880, 8.6070 at 11 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km S of Savona (61345 inhabitants)
54 Km SW of Genova (586655 inhabitants)
68 Km E of Sanremo (54807 inhabitants)
96 Km E of Cuneo (56081 inhabitants)
99 Km W of La Spezia (93959 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 1.3 2022-11-25
21:54:59
43.9878 8.6072 11 2024-03-01
15:28:26
Bollettino Sismico Italiano INGV 118245691
Reviewed
Rev100
ML 1.3 2022-11-25
21:54:59
43.9898 8.5853 8 2022-11-25
22:12:08
Sala Sismica INGV-Roma 112208321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-11-25 21:54:59 ± 0.33
Latitude 43.9878 ± 0.0180
Longitude 8.6072 ± 0.0187
Depth (km) 11 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118245691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2140
Semi-minor axis of confidence ellipse (meter) 1054
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 143
Circular confidence region, given by single value of horizontal uncertainty (meter) 2140.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 217
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.34444
Epicentral distance of station farthest from the epicenter (degree) 1.27973
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 118245691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-09 17:41:01

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 112208321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-11-25 22:12:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PZZ.HHE. 2022-11-25T21:55:38.50 0.6 undecidable manual S 296 131.7681 50 1.17 30
GU.ENR.HHZ. 2022-11-25T21:55:28.61 0.3 undecidable manual S 286 98.4237 50 0.18 69
FR.SAOF.HHE.00 2022-11-25T21:55:23.84 0.6 undecidable manual S 270 84.1491 50 -0.78 38
GU.BHB.HNZ. 2022-11-25T21:55:23.59 0.3 undecidable manual P 312 142.0467 50 0.59 57
GU.PZZ.HHE. 2022-11-25T21:55:21.90 0.3 undecidable manual P 296 131.7681 50 0.48 60
GU.MGRO.HHZ. 2022-11-25T21:55:19.00 0.3 undecidable manual S 276 63.9915 50 -0.25 71
GU.GBOS.HHZ. 2022-11-25T21:55:19.84 0.6 undecidable manual S 295 67.2771 50 -0.28 47
IV.BOB.HNE. 2022-11-25T21:55:18.13 0.3 undecidable manual P 37 109.2129 50 0.19 67
GU.PCP.HHZ. 2022-11-25T21:55:18.95 0.3 undecidable manual S 355 61.5939 50 0.35 71
GU.STV.HHN. 2022-11-25T21:55:17.90 0.3 undecidable manual P 286 105.9162 50 0.46 64
GU.ENR.HHZ. 2022-11-25T21:55:16.30 0.3 undecidable manual P 286 98.4237 50 0.02 71
GU.BURY.HNN. 2022-11-25T21:55:15.20 0.3 undecidable manual P 255 87.0462 50 0.68 62
GU.GORR.HHN. 2022-11-25T21:55:14.45 0.3 undecidable manual P 38 87.6456 50 -0.16 70
FR.SAOF.HHE.00 2022-11-25T21:55:14.34 0.3 undecidable manual P 270 84.1491 50 0.26 70
IV.QLNO.HHZ. 2022-11-25T21:55:13.76 0.6 undecidable manual S 331 42.7239 50 0.2 51
GU.RORO.HHZ. 2022-11-25T21:55:13.81 0.6 undecidable manual S 288 45.2214 50 -0.43 47
GU.CANO.HHZ. 2022-11-25T21:55:12.33 0.3 undecidable manual S 310 38.2284 50 -0.04 78
GU.GBOS.HHZ. 2022-11-25T21:55:11.24 0.1 undecidable manual P 295 67.2771 50 -0.24 95
GU.PCP.HHZ. 2022-11-25T21:55:10.25 0.3 undecidable manual P 355 61.5939 50 -0.35 71
GU.MGRO.HHZ. 2022-11-25T21:55:10.89 0.3 undecidable manual P 276 63.9915 50 -0.09 74
GU.RNCA.HHE. 2022-11-25T21:55:10.20 0.3 undecidable manual P 27 60.1953 50 -0.18 73
IV.QLNO.HHZ. 2022-11-25T21:55:07.38 0.1 undecidable manual P 331 42.7239 50 -0.31 98
GU.RORO.HHZ. 2022-11-25T21:55:07.76 0.1 undecidable manual P 288 45.2214 50 -0.33 97
GU.CANO.HHZ. 2022-11-25T21:55:06.75 0.1 undecidable manual P 310 38.2284 50 -0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CANO.HHN. ML:1.4 0.00008850095 0.1408 AML other m 2022-11-25T21:55:13.43
GU.RORO.HHE. ML:1.3 0.000059261885 0.1024 AML other m 2022-11-25T21:55:14.39
GU.RORO.HHN. ML:1.3 0.000057163635000000005 0.128 AML other m 2022-11-25T21:55:15.12
IV.QLNO.HHE. ML:1.4 0.00007092542 0.2176 AML other m 2022-11-25T21:55:15.24
IV.QLNO.HHN. ML:1.3 0.00006338467000000001 0.2048 AML other m 2022-11-25T21:55:15.40
GU.CANO.HHE. ML:1.5 0.0001189584 0.7808 AML other m 2022-11-25T21:55:20.54
GU.GBOS.HHE. ML:1.1 0.000018330335 0.1792 AML other m 2022-11-25T21:55:20.78
GU.PCP.HHE. ML:1.5 0.00006276646 1.4592 AML other m 2022-11-25T21:55:21.02
GU.ENR.HHN. ML:1.4 0.000026598155 0.1152 AML other m 2022-11-25T21:55:29.84
GU.ENR.HHE. ML:1.2 0.000016362462 0.1792 AML other m 2022-11-25T21:55:31.35
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