Earthquake with magnitude of ML 1.6 on date 01-12-2019 and time 01:54:01 (Italy) in region Mar Ligure (MARE)

A magnitude ML 1.6 earthquake occured in region: Mar Ligure (MARE), on

  • 01-12-2019 00:54:01 (UTC)
  • 01-12-2019 01:54:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4020, 8.2800 at 29 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
61 Km SE of Sanremo (54807 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 1.6 2019-12-01
00:54:01
43.4025 8.2803 29 2020-02-28
16:42:22
Bollettino Sismico Italiano INGV 76169581
Reviewed
Rev100
ML 1.6 2019-12-01
00:54:01
43.3678 8.2422 28 2019-12-01
01:07:53
Sala Sismica INGV-Roma 74204241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-01 00:54:01 ± 0.23
Latitude 43.4025 ± 0.0117
Longitude 8.2803 ± 0.0210
Depth (km) 29 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76169581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1409
Semi-minor axis of confidence ellipse (meter) 1330
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
Circular confidence region, given by single value of horizontal uncertainty (meter) 1410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
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) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.58006
Epicentral distance of station farthest from the epicenter (degree) 1.98300
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 76169581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-17 14:05:01

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 74204241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-01 01:07:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RNCA.HHE. 2019-12-01T00:54:37.80 0.3 undecidable manual S 24 130.0698 54 -0.28 83
GU.STV.HHZ. 2019-12-01T00:54:35.60 0.3 undecidable manual S 321 120.6903 54 -0.46 80
IV.CASP.HHZ. 2019-12-01T00:54:33.14 0.6 undecidable manual P 107 220.113 54 -0.6 34
IV.QLNO.HHE. 2019-12-01T00:54:30.80 0.3 undecidable manual S 3 102.4197 101 -0.76 76
IV.MAGO.CHE. 2019-12-01T00:54:29.37 1.0 undecidable manual P 93 192.363 54 -0.92 18
FR.SMPL.HHE.00 2019-12-01T00:54:27.41 0.6 undecidable manual P 150 166.611 54 0.32 49
GU.CANO.HHE. 2019-12-01T00:54:27.90 0.6 undecidable manual S 358 89.3439 103 -0.26 61
FR.AJAC.HHE.00 2019-12-01T00:54:27.22 1.0 undecidable manual P 166 168.3093 54 -0.07 26
FR.SAOF.HHZ.00 2019-12-01T00:54:27.00 0.3 undecidable manual S 318 87.1461 103 -0.58 83
IV.CELB.HHE. 2019-12-01T00:54:26.79 1.0 undecidable manual P 114 172.494 54 -1.03 19
GU.RORO.HHZ. 2019-12-01T00:54:25.40 0.3 undecidable manual S 348 80.5638 104 -0.48 88
IV.MSSA.HHE. 2019-12-01T00:54:24.46 0.6 undecidable manual P 44 141.6471 54 0.48 52
GU.RNCA.HHE. 2019-12-01T00:54:23.55 0.6 undecidable manual P 24 130.0698 54 1.01 43
GU.BURY.HHE. 2019-12-01T00:54:22.90 0.6 undecidable manual S 306 71.7726 106 -0.72 54
GU.STV.HHZ. 2019-12-01T00:54:21.95 0.3 undecidable manual P 321 120.6903 54 0.57 80
IV.IMI.HHZ. 2019-12-01T00:54:21.80 0.3 undecidable manual S 331 64.3911 108 0.08 100
IV.QLNO.HHE. 2019-12-01T00:54:19.14 0.6 undecidable manual P 3 102.4197 101 0.36 58
GU.GBOS.HHE. 2019-12-01T00:54:18.95 0.6 undecidable manual P 339 99.5226 101 0.6 55
RD.PGF.BHZ. 2019-12-01T00:54:18.26 0.3 undecidable manual P 148 111.2997 100 -1.87 43
GU.CANO.HHE. 2019-12-01T00:54:17.48 0.3 undecidable manual P 358 89.3439 103 0.66 81
FR.SAOF.HHZ.00 2019-12-01T00:54:16.82 0.3 undecidable manual P 318 87.1461 103 0.34 90
GU.RORO.HHZ. 2019-12-01T00:54:16.12 0.3 undecidable manual P 348 80.5638 104 0.62 84
GU.BURY.HHE. 2019-12-01T00:54:14.36 0.3 undecidable manual P 306 71.7726 106 0.16 96
IV.IMI.HHZ. 2019-12-01T00:54:13.82 0.3 undecidable manual P 331 64.3911 108 0.72 83
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IMI.HHE. ML:1.5 0.00005442091 0.08 AML other m 2019-12-01T00:54:22.51
IV.IMI.HHN. ML:1.7 0.000084567335 0.14 AML other m 2019-12-01T00:54:22.83
GU.RORO.HHE. ML:1.8 0.00007380984 0.08 AML other m 2019-12-01T00:54:26.82
GU.RORO.HHN. ML:1.6 0.000047592029 0.12 AML other m 2019-12-01T00:54:27.16
FR.SAOF.HHN.00 ML:1.7 0.000059751570000000004 0.06 AML other m 2019-12-01T00:54:27.67
FR.SAOF.HHE.00 ML:1.9 0.00008390738000000001 0.06 AML other m 2019-12-01T00:54:27.76
RD.PGF.BHN. ML:1.5 0.000023734560000000002 1.76 AML other m 2019-12-01T00:54:29.05
RD.PGF.BHE. ML:1.3 0.000016206041000000003 0.12 AML other m 2019-12-01T00:54:31.95
GU.STV.HHE. ML:1.6 0.000023853295 0.14 AML other m 2019-12-01T00:54:36.76
GU.STV.HHN. ML:1.3 0.000016884259999999997 0.28 AML other m 2019-12-01T00:54:37.26
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download