Earthquake with magnitude of ML 2.5 on date 26-09-2022 and time 13:49:56 (Italy) in region Costa Ligure centro occidentale (Savona)

A magnitude ML 2.5 earthquake occured in region: Costa Ligure centro occidentale (Savona), on

  • 26-09-2022 11:49:56 (UTC)
  • 26-09-2022 13:49:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0220, 8.4500 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
Finale Ligure SV 19 11711 11711
Albenga SV 19 24213 35924
Ceriale SV 19 5561 41485
Borgio Verezzi SV 19 2205 43690
Loano SV 19 11407 55097
Pietra Ligure SV 19 8992 64089
Borghetto Santo Spirito SV 20 4948 69037

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km S of Savona (61345 inhabitants)
58 Km E of Sanremo (54807 inhabitants)
58 Km SW of Genova (586655 inhabitants)
83 Km SE of Cuneo (56081 inhabitants)
100 Km S of Asti (76202 inhabitants)
100 Km S of Alessandria (93943 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 2.5 2022-09-26
11:49:56
44.0222 8.4502 10 2024-03-01
15:28:06
Bollettino Sismico Italiano INGV 112289671
Reviewed
Rev100
ML 2.5 2022-09-26
11:49:56
44.0107 8.4605 6 2022-09-26
12:01:23
Sala Sismica INGV-Roma 110176281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-26 11:49:56 ± 0.11
Latitude 44.0222 ± 0.0045
Longitude 8.4502 ± 0.0038
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 112289671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 394
Semi-minor axis of confidence ellipse (meter) 314
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 163
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.24012
Epicentral distance of station farthest from the epicenter (degree) 1.65745
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 112289671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-11-28 09:51:00

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 110176281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-26 12:01:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2022-09-26T11:50:26.84 0.3 undecidable manual P 88 183.9825 38 0.37 47
RD.PGF.BHZ. 2022-09-26T11:50:24.85 0.6 undecidable manual P 165 169.3971 50 0.41 33
MN.VLC.HHZ. 2022-09-26T11:50:22.05 0.6 undecidable manual P 84 155.0226 50 -0.18 37
GU.GRAM.HHZ. 2022-09-26T11:50:19.77 0.3 undecidable manual P 67 138.4614 50 0.1 60
GU.BURY.HHZ. 2022-09-26T11:50:19.60 0.6 undecidable manual S 250 76.1682 50 -0.23 44
GU.EQUI.HHZ. 2022-09-26T11:50:19.13 0.3 undecidable manual P 83 136.5633 50 -0.26 58
FR.SAOF.HHZ.00 2022-09-26T11:50:18.80 0.6 undecidable manual S 267 71.6727 50 0.16 45
GU.PZZ.HHZ. 2022-09-26T11:50:17.09 0.1 undecidable manual P 297 118.8921 50 0.44 77
GU.RNCA.HHZ. 2022-09-26T11:50:16.40 0.6 undecidable manual S 38 63.7917 50 -0.13 46
IT.GNV.HGE. 2022-09-26T11:50:15.70 0.6 undecidable manual S 40 59.3961 50 0.33 44
GU.PCP.HHZ. 2022-09-26T11:50:15.00 0.6 undecidable manual S 7 58.0974 50 -0.01 48
IV.PLMA.HHE. 2022-09-26T11:50:15.50 0.6 undecidable manual P 88 111.999 50 -0.09 42
GU.GBOS.HHZ. 2022-09-26T11:50:14.20 0.6 undecidable manual S 297 54.3012 50 0.19 46
GU.STV.HHZ. 2022-09-26T11:50:13.05 0.3 undecidable manual P 286 92.8404 50 0.41 62
GU.MGRO.HHZ. 2022-09-26T11:50:13.70 0.3 undecidable manual S 273 51.2154 50 0.52 65
GU.GORR.HHZ. 2022-09-26T11:50:12.77 0.3 undecidable manual P 46 93.1401 50 0.07 66
IV.MSSA.HHZ. 2022-09-26T11:50:12.28 1.0 undecidable manual P 69 90.9423 50 -0.08 22
GU.ROTM.HHE. 2022-09-26T11:50:12.49 0.3 undecidable manual P 355 92.1411 50 -0.04 67
GU.IMI.HHZ. 2022-09-26T11:50:11.40 0.6 undecidable manual S 255 46.1205 50 -0.43 45
GU.BURY.HHZ. 2022-09-26T11:50:10.02 0.3 undecidable manual P 250 76.1682 50 -0.06 68
FR.SAOF.HHZ.00 2022-09-26T11:50:09.56 0.3 undecidable manual P 267 71.6727 50 0.17 67
IV.QLNO.HHZ. 2022-09-26T11:50:08.42 0.3 undecidable manual S 346 34.5432 50 -0.3 70
GU.RNCA.HHZ. 2022-09-26T11:50:08.17 0.1 undecidable manual P 38 63.7917 50 0.01 94
GU.RORO.HHE. 2022-09-26T11:50:07.90 0.6 undecidable manual S 288 32.1456 50 -0.19 48
GU.PCP.HHZ. 2022-09-26T11:50:07.19 0.1 undecidable manual P 7 58.0974 50 -0.1 94
IT.GNV.HGE. 2022-09-26T11:50:07.52 0.3 undecidable manual P 40 59.3961 50 0.02 71
GU.GBOS.HHZ. 2022-09-26T11:50:06.84 0.1 negative manual P 297 54.3012 50 0.13 94
GU.CANO.HHZ. 2022-09-26T11:50:06.55 0.3 undecidable manual S 321 26.6511 110 -0.04 75
GU.MGRO.HHZ. 2022-09-26T11:50:05.96 0.1 undecidable manual P 273 51.2154 50 -0.27 91
GU.IMI.HHZ. 2022-09-26T11:50:05.05 0.1 negative manual P 255 46.1205 50 -0.4 90
IV.QLNO.HHZ. 2022-09-26T11:50:03.60 0.1 negative manual P 346 34.5432 50 -0.06 98
GU.RORO.HHE. 2022-09-26T11:50:03.14 0.1 negative manual P 288 32.1456 50 -0.15 97
GU.CANO.HHZ. 2022-09-26T11:50:02.48 0.1 negative manual P 321 26.6511 110 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CANO.HHE. ML:2.8 0.0032800000000000004 0.32 AML other m 2022-09-26T11:50:07.18
GU.CANO.HHN. ML:2.7 0.0027949999999999997 0.28 AML other m 2022-09-26T11:50:07.19
IV.QLNO.HHE. ML:2.3 0.0009379999999999999 0.5 AML other m 2022-09-26T11:50:09.16
IV.QLNO.HHN. ML:2.3 0.0007804999999999999 1.16 AML other m 2022-09-26T11:50:10.11
GU.MGRO.HNN. ML:2.7 0.00128 0.24 AML other m 2022-09-26T11:50:15.75
GU.MGRO.HNE. ML:2.6 0.001018 0.18 AML other m 2022-09-26T11:50:15.62
GU.MGRO.HHN. ML:2.6 0.000989 0.2 AML other m 2022-09-26T11:50:15.71
GU.MGRO.HHE. ML:2.8 0.00145 0.24 AML other m 2022-09-26T11:50:15.62
GU.GBOS.HHN. ML:2.7 0.0012549999999999998 0.2 AML other m 2022-09-26T11:50:16.30
GU.GBOS.HHE. ML:2.3 0.0005105 0.38 AML other m 2022-09-26T11:50:16.16
GU.PCP.HHE. ML:2.1 0.0002875 1.06 AML other m 2022-09-26T11:50:16.20
GU.PCP.HHN. ML:2.0 0.00022250000000000001 0.7 AML other m 2022-09-26T11:50:16.52
GU.RNCA.HHE. ML:2.2 0.00033150000000000003 0.58 AML other m 2022-09-26T11:50:18.66
GU.RNCA.HHN. ML:2.2 0.0003005 0.54 AML other m 2022-09-26T11:50:18.79
FR.SAOF.HHE.00 ML:2.6 0.0006839999999999999 1.58 AML other m 2022-09-26T11:50:20.00
GU.BURY.HHN. ML:2.8 0.0008945000000000001 0.9 AML other m 2022-09-26T11:50:21.23
FR.SAOF.HHN.00 ML:2.6 0.0006305 1.44 AML other m 2022-09-26T11:50:21.14
GU.BURY.HNN. ML:2.7 0.0007915 1.4 AML other m 2022-09-26T11:50:21.23
GU.BURY.HNE. ML:2.6 0.000635 0.9 AML other m 2022-09-26T11:50:22.23
GU.BURY.HHE. ML:2.6 0.0005834999999999999 0.42 AML other m 2022-09-26T11:50:22.75
GU.GORR.HHN. ML:2.2 0.00019700000000000002 1.54 AML other m 2022-09-26T11:50:24.01
GU.GORR.HHE. ML:2.3 0.00021349999999999999 1.06 AML other m 2022-09-26T11:50:26.28
GU.STV.HHE. ML:2.4 0.000312 1.58 AML other m 2022-09-26T11:50:27.85
GU.STV.HHN. ML:2.6 0.00041049999999999995 0.54 AML other m 2022-09-26T11:50:27.26
GU.PZZ.HHN. ML:2.9 0.0006174999999999999 0.36 AML other m 2022-09-26T11:50:33.51
GU.EQUI.HHE. ML:2.0 0.000053970825 0.1792 AML other m 2022-09-26T11:50:36.47
GU.PZZ.HHE. ML:2.8 0.000497 1.02 AML other m 2022-09-26T11:50:36.26
GU.EQUI.HHN. ML:2.2 0.00008985 0.28 AML other m 2022-09-26T11:50:37.62
RD.PGF.BHE. ML:2.1 0.000053 1.4 AML other m 2022-09-26T11:50:38.94
GU.GRAM.HHN. ML:2.7 0.00029299999999999997 0.24 AML other m 2022-09-26T11:50:38.32
GU.GRAM.HHE. ML:2.6 0.0002585 1.1 AML other m 2022-09-26T11:50:38.55
RD.PGF.BHN. ML:2.0 0.000038089514999999996 0.32 AML other m 2022-09-26T11:50:39.74
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
Waveforms Seismic signals in miniseed + resp format Download