Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 29-10-2019 and time 20:16:14 (Italy) in region Costa Ligure centro occidentale (Savona)

A magnitude ML 1.4 earthquake occured in region: Costa Ligure centro occidentale (Savona), on

  • 29-10-2019 19:16:14 (UTC)
  • 29-10-2019 20:16:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9580, 8.5210 at 13 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.

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Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km S of Savona (61345 inhabitants)
60 Km SW of Genova (586655 inhabitants)
61 Km E of Sanremo (54807 inhabitants)
91 Km SE of Cuneo (56081 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 1.4 2019-10-29
19:16:14		 43.958 8.5212 13 2020-02-28
16:42:13		 Bollettino Sismico Italiano INGV 74591751
Reviewed
Rev100 		ML 1.3 2019-10-29
19:16:14		 43.9787 8.4968 13 2019-10-29
19:23:05		 Sala Sismica INGV-Roma 73520921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-29 19:16:14 ± 0.19
Latitude 43.9580 ± 0.0108
Longitude 8.5212 ± 0.0100
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74591751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1270
Semi-minor axis of confidence ellipse (meter) 74
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 161
Circular confidence region, given by single value of horizontal uncertainty (meter) 1270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 262
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.32196
Epicentral distance of station farthest from the epicenter (degree) 0.90472
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 73520921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-29 19:23:05

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 74591751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-13 09:59:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.STV.HHZ. 2019-10-29T19:16:44.00 0.6 undecidable manual S 289 100.4217 91 0.37 47
GU.ENR.HHZ. 2019-10-29T19:16:41.94 0.3 undecidable manual S 289 92.6406 92 0.39 72
FR.SAOF.HHZ. 2019-10-29T19:16:37.33 0.3 undecidable manual S 273 77.367 92 -0.15 67
GU.PCP.HHZ. 2019-10-29T19:16:34.04 0.3 undecidable manual S 2 64.6908 92 -0.07 70
GU.GBOS.HHZ. 2019-10-29T19:16:33.16 0.6 undecidable manual S 300 62.6928 93 -0.42 41
GU.STV.HHZ. 2019-10-29T19:16:31.89 0.3 undecidable manual P 289 100.4217 91 0.63 67
IV.IMI.HHZ. 2019-10-29T19:16:30.13 0.3 undecidable manual S 264 50.4162 93 -0.17 70
GU.ENR.HHZ. 2019-10-29T19:16:30.45 0.3 undecidable manual P 289 92.6406 92 0.39 72
IV.QLNO.HHZ. 2019-10-29T19:16:28.06 0.3 undecidable manual S 341 42.9237 94 -0.24 69
FR.SAOF.HHZ. 2019-10-29T19:16:27.81 0.1 undecidable manual P 273 77.367 92 0.11 95
GU.RORO.HHZ. 2019-10-29T19:16:27.09 0.3 undecidable manual S 295 40.1265 95 -0.45 63
GU.CANO.HHZ. 2019-10-29T19:16:26.11 0.6 undecidable manual S 321 35.742 95 -0.28 46
GU.GBOS.HHZ. 2019-10-29T19:16:25.49 0.3 undecidable manual P 300 62.6928 93 0.04 72
GU.PCP.HHZ. 2019-10-29T19:16:25.92 0.1 undecidable manual P 2 64.6908 92 0.16 98
IV.IMI.HHZ. 2019-10-29T19:16:23.23 0.1 undecidable manual P 264 50.4162 93 -0.34 88
IV.QLNO.HHZ. 2019-10-29T19:16:22.47 0.1 undecidable manual P 341 42.9237 94 0.06 100
GU.CANO.HHZ. 2019-10-29T19:16:21.28 0.1 undecidable manual P 321 35.742 95 -0.02 99
GU.RORO.HHZ. 2019-10-29T19:16:21.79 0.1 undecidable manual P 295 40.1265 95 -0.19 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CANO.HHE. ML:1.7 0.00019600000000000002 1.28 AML other m 2019-10-29T19:16:27.95
GU.CANO.HHN. ML:1.4 0.00010535 0.34 AML other m 2019-10-29T19:16:27.88
GU.RORO.HHN. ML:1.3 0.00006638641000000001 0.0896 AML other m 2019-10-29T19:16:28.61
GU.RORO.HHE. ML:1.5 0.00010378553 0.1152 AML other m 2019-10-29T19:16:28.61
IV.QLNO.HHE. ML:1.1 0.000042420649999999995 0.1152 AML other m 2019-10-29T19:16:29.09
IV.QLNO.HHN. ML:1.1 0.000041748745000000005 0.1536 AML other m 2019-10-29T19:16:29.74
IV.IMI.HHE. ML:1.2 0.000045036399999999995 1.7696 AML other m 2019-10-29T19:16:31.04
IV.IMI.HHN. ML:1.4 0.000065351485 0.128 AML other m 2019-10-29T19:16:31.23
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