Earthquake with magnitude of ML 1.9 on date 24-02-2019 and time 20:57:58 (Italy) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 1.9 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 24-02-2019 19:57:58 (UTC)
  • 24-02-2019 20:57:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.7150, 9.9680 at 18 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
28 Km SW of Viareggio (62467 inhabitants)
33 Km NW of Livorno (159219 inhabitants)
35 Km W of Pisa (89158 inhabitants)
39 Km SW of Massa (69479 inhabitants)
42 Km S of Carrara (63133 inhabitants)
45 Km S of La Spezia (93959 inhabitants)
45 Km W of Lucca (89046 inhabitants)
80 Km W of Pistoia (90315 inhabitants)
93 Km W of Prato (191150 inhabitants)
98 Km W of Scandicci (50609 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 1.9 2019-02-24
19:57:58
43.715 9.9682 18 2019-08-22
08:25:05
Bollettino Sismico Italiano INGV 69862421
Reviewed
Rev100
ML 1.7 2019-02-24
19:57:58
43.7607 10.0408 2 2019-02-24
20:15:51
Sala Sismica INGV-Roma 65924711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-24 19:57:58 ± 0.13
Latitude 43.7150 ± 0.0099
Longitude 9.9682 ± 0.0149
Depth (km) 18 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 69862421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 989
Semi-minor axis of confidence ellipse (meter) 943
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
Circular confidence region, given by single value of horizontal uncertainty (meter) 990.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.61878
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 65924711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-24 20:15:51

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 69862421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-25 12:09:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CIMA.HNZ. 2019-02-24T19:58:45.72 3.0 negative manual Pn 2.54 0
IV.CASP.HHE. 2019-02-24T19:58:33.88 0.6 undecidable manual S 144 125.5743 94 -0.52 39
GU.GBOS.HHZ. 2019-02-24T19:58:26.45 0.3 undecidable manual P 290 179.6868 54 -0.27 50
RD.PGF.BHZ. 2019-02-24T19:58:23.53 0.3 undecidable manual P 212 151.3374 93 0.39 57
GU.RORO.HHE. 2019-02-24T19:58:23.36 0.1 undecidable manual P 287 158.2194 54 -0.7 65
IV.QLNO.HHE. 2019-02-24T19:58:21.81 0.1 undecidable manual P 298 145.9428 93 -0.51 74
IV.MSSA.HHZ. 2019-02-24T19:58:21.57 0.3 undecidable manual S 332 75.7686 96 0.41 67
GU.PCP.HHN. 2019-02-24T19:58:21.66 0.3 undecidable manual P 309 145.743 93 -0.63 53
GU.POPM.HHZ. 2019-02-24T19:58:20.96 0.6 undecidable manual S 60 72.9714 97 0.56 43
IV.MAGO.CHZ. 2019-02-24T19:58:20.58 0.6 undecidable manual S 131 74.0703 97 -0.12 48
IV.CASP.HHE. 2019-02-24T19:58:19.03 0.1 undecidable manual P 144 125.5743 94 -0.14 85
IV.CELB.HHE. 2019-02-24T19:58:18.32 0.6 undecidable manual P 170 109.2129 94 1.66 23
GU.SARM.EHZ. 2019-02-24T19:58:17.46 0.3 undecidable manual S 33 62.493 98 -0.17 72
IV.BDI.HHZ. 2019-02-24T19:58:17.83 0.3 undecidable manual S 52 63.2922 98 -0.02 74
MN.VLC.HHZ. 2019-02-24T19:58:16.76 0.6 undecidable manual S 34 59.5959 98 -0.11 49
IV.TRIF.CHZ. 2019-02-24T19:58:15.26 0.3 undecidable manual P 131 100.5216 95 -0.07 68
GU.GSCL.HHN. 2019-02-24T19:58:14.47 0.3 undecidable manual P 35 86.1471 95 1.36 44
IV.MTCR.EHZ. 2019-02-24T19:58:14.11 0.1 undecidable manual P 67 89.7435 95 0.44 86
GU.GRAM.HHE. 2019-02-24T19:58:14.09 0.3 undecidable manual P 5 86.4468 95 0.92 54
IV.MAGO.CHZ. 2019-02-24T19:58:11.25 0.6 undecidable manual P 131 74.0703 97 -0.02 48
GU.POPM.HHZ. 2019-02-24T19:58:11.48 0.3 undecidable manual P 60 72.9714 97 0.38 67
IV.MSSA.HHZ. 2019-02-24T19:58:11.93 0.3 undecidable manual P 332 75.7686 96 0.4 67
IV.PII.HHZ. 2019-02-24T19:58:11.79 0.3 undecidable manual S 89 44.622 102 -1.16 52
IV.PLMA.HHZ. 2019-02-24T19:58:10.63 0.3 undecidable manual S 346 38.2284 105 -0.66 65
GU.SARM.EHZ. 2019-02-24T19:58:09.58 0.1 positive manual P 33 62.493 98 0.09 98
MN.VLC.HHZ. 2019-02-24T19:58:09.14 0.1 positive manual P 34 59.5959 98 0.09 98
IV.BDI.HHZ. 2019-02-24T19:58:09.61 0.6 undecidable manual P 52 63.2922 98 -0.01 49
GU.FIVI.HNE. 2019-02-24T19:58:09.46 0.3 undecidable manual P 12 59.496 98 0.41 69
GU.CARD.HHZ. 2019-02-24T19:58:07.96 0.1 undecidable manual P 50 53.7018 100 -0.19 97
IV.PII.HHZ. 2019-02-24T19:58:06.47 0.3 undecidable manual P 89 44.622 102 -0.32 72
IV.PLMA.HHZ. 2019-02-24T19:58:05.68 0.1 negative manual P 346 38.2284 105 -0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLMA.HHE. ML:2.1 0.0004665291 0.32 AML other m 2019-02-24T19:58:10.94
IV.PLMA.HHN. ML:1.9 0.00024177854999999997 0.2048 AML other m 2019-02-24T19:58:11.67
IV.PII.HHN. ML:2.0 0.000277 0.64 AML other m 2019-02-24T19:58:12.56
MN.VLC.HNE. ML:1.5 0.00005991114999999999 0.5152 AML other m 2019-02-24T19:58:16.85
MN.VLC.HNN. ML:1.5 0.000058543644999999996 0.6784 AML other m 2019-02-24T19:58:17.14
GU.SARM.EHN. ML:1.9 0.00016279535 0.3968 AML other m 2019-02-24T19:58:17.84
GU.CARD.HHN. ML:2.1 0.00027067305 0.1152 AML other m 2019-02-24T19:58:18.06
GU.CARD.HHE. ML:2.0 0.0002254109 0.1152 AML other m 2019-02-24T19:58:18.60
IV.PII.HHE. ML:2.0 0.00028030920000000003 0.3584 AML other m 2019-02-24T19:58:18.94
MN.VLC.HHE. ML:1.6 0.0000854 0.38 AML other m 2019-02-24T19:58:19.73
MN.VLC.HHN. ML:1.6 0.00007744999999999999 0.64 AML other m 2019-02-24T19:58:19.62
GU.SARM.EHE. ML:2.0 0.00020030000000000002 0.44 AML other m 2019-02-24T19:58:20.60
IV.BDI.HHE. ML:1.9 0.00014890550999999998 0.2304 AML other m 2019-02-24T19:58:20.72
IV.BDI.HHN. ML:1.8 0.00010327194 0.4352 AML other m 2019-02-24T19:58:21.57
IV.MAGO.CHN. ML:1.7 0.000073306175 0.1792 AML other m 2019-02-24T19:58:22.41
GU.POPM.HHE. ML:2.0 0.0001701705 0.1664 AML other m 2019-02-24T19:58:22.98
GU.POPM.HHN. ML:2.0 0.00014966694999999999 0.1792 AML other m 2019-02-24T19:58:23.90
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