Earthquake with magnitude of ML 1.8 on date 13-08-2019 and time 18:23:47 (Italy) in region 1 km E Castelnuovo Magra (SP)

A magnitude ML 1.8 earthquake occured in region: 1 km E Castelnuovo Magra (SP), on

  • 13-08-2019 16:23:47 (UTC)
  • 13-08-2019 18:23:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1, 10.03 at 8 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
Castelnuovo Magra SP 1 8415 8415
Ortonovo SP 2 8277 16692
Fosdinovo MS 4 4883 21575
Sarzana SP 6 21976 43551
Carrara MS 6 63133 106684
Ameglia SP 7 4365 111049
Lerici SP 10 10228 121277
Arcola SP 10 10607 131884
Massa MS 11 69479 201363
Santo Stefano di Magra SP 12 9360 210723
Vezzano Ligure SP 13 7356 218079
Aulla MS 14 11263 229342
Podenzana MS 14 2180 231522
Montignoso MS 15 10323 241845
Bolano SP 15 7813 249658
Follo SP 15 6337 255995
Portovenere SP 16 3630 259625
La Spezia SP 16 93959 353584
Minucciano LU 17 2102 355686
Casola in Lunigiana MS 17 988 356674
Tresana MS 17 2044 358718
Fivizzano MS 18 7925 366643
Forte dei Marmi LU 19 7510 374153
Licciana Nardi MS 19 4949 379102
Seravezza LU 20 13073 392175

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km W of Carrara (63133 inhabitants)
11 Km NW of Massa (69479 inhabitants)
16 Km E of La Spezia (93959 inhabitants)
31 Km NW of Viareggio (62467 inhabitants)
47 Km NW of Lucca (89046 inhabitants)
52 Km NW of Pisa (89158 inhabitants)
65 Km NW of Livorno (159219 inhabitants)
73 Km W of Pistoia (90315 inhabitants)
82 Km SW of Parma (192836 inhabitants)
82 Km SW of Reggio nell'Emilia (171345 inhabitants)
89 Km W of Prato (191150 inhabitants)
94 Km E of Genova (586655 inhabitants)
94 Km SW of Modena (184973 inhabitants)
100 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
Rev 1000 ML 1.8 2019-08-13
16:23:47
44.1 10.03 8 2019-11-13
14:31:02
Bollettino Sismico Italiano INGV 72316011
Rev 100 ML 1.8 2019-08-13
16:23:46
44.09 10.02 9 2019-08-13
16:31:19
Sala Sismica INGV-Roma 71459871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-13 16:23:47 ± 0.11
Latitude 44.10 ± 0.01
Longitude 10.03 ± 0.01
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 72316011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 883
Semi-minor axis of confidence ellipse (meter) 232
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 349
Circular confidence region, given by single value of horizontal uncertainty (meter) 880
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 6.45713
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 18
Type of magnitude ML
Reference to an origin 72316011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-11 16:35:53

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 22
Type of magnitude ML
Reference to an origin 71459871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-13 16:31:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IT.MCLF.HNZ. 2019-08-13T16:25:40.64 3.0 undecidable manual Sn -3.69 0
IV.LRP.EHZ. 2019-08-13T16:25:29.41 3.0 undecidable manual Sn -1.48 0
IV.TDS.HHZ. 2019-08-13T16:25:28.42 3.0 positive manual P 6.4571 5.08 0
IV.MF5.EHZ. 2019-08-13T16:25:18.06 3.0 undecidable manual Sg 8.94 0
IV.STAL.HHZ. 2019-08-13T16:25:11.11 3.0 undecidable manual Sn 2.89 0
IV.ARRO.EHZ. 2019-08-13T16:25:09.40 3.0 undecidable manual Sg 4.99 0
IV.EL6.EHZ. 2019-08-13T16:25:07.69 3.0 undecidable manual Sg 7.95 0
IV.MNTT.EHZ. 2019-08-13T16:25:06.09 3.0 undecidable manual Sn -4.41 0
CH.MUGIO.HHZ. 2019-08-13T16:24:45.89 3.0 undecidable manual Sn 1.31 0
IV.CERT.HHZ. 2019-08-13T16:24:45.96 3.0 negative manual P 3.0433 9.77 0
IV.AGLI.HHZ. 2019-08-13T16:24:34.67 3.0 undecidable manual P 3.0334 -1.38 0
SI.KOSI.HHZ. 2019-08-13T16:24:31.86 3.0 positive manual P 2.5487 2.51 0
IV.NDIM.HNZ. 2019-08-13T16:24:17.54 3.0 undecidable manual S -3.06 0
IV.RUFI.EHE. 2019-08-13T16:24:08.91 1.0 undecidable manual P 103 1.0963 50 1.31 13
IV.SEI.HHZ. 2019-08-13T16:24:06.11 1.0 undecidable manual P 92 0.956 50 0.9 17
IV.MAGO.CHE. 2019-08-13T16:24:06.64 1.0 undecidable manual P 151 0.9398 50 1.71 11
IV.MOCL.EHZ. 2019-08-13T16:24:04.79 1.0 undecidable manual P 96 0.8328 50 1.69 11
IV.MPPT.EHN. 2019-08-13T16:24:03.08 1.0 undecidable manual P 100 0.7752 50 0.96 17
IV.CRMI.HHZ. 2019-08-13T16:24:02.23 0.6 undecidable manual P 113 0.7473 50 0.59 40
GU.GRAM.HHZ. 2019-08-13T16:24:02.20 0.1 undecidable manual S 4 0.3957 50 0.27 93
IV.MSSA.HHZ. 2019-08-13T16:24:01.60 1.0 undecidable manual S 301 0.4272 50 -1.25 16
GU.CARD.HHZ. 2019-08-13T16:23:59.10 0.3 undecidable manual S 102 0.3336 50 -0.98 55
GU.POPM.HHZ. 2019-08-13T16:23:57.42 0.3 undecidable manual P 95 0.5261 50 -0.42 66
IV.PII.HHZ. 2019-08-13T16:23:57.84 0.1 undecidable manual P 136 0.5171 50 0.14 93
MN.VLC.HHZ. 2019-08-13T16:23:57.10 1.0 undecidable manual S 76 0.2644 105 -0.44 23
GU.SARM.EHN. 2019-08-13T16:23:57.80 1.0 undecidable manual S 72 0.2815 104 -0.36 23
GU.GRAM.HHZ. 2019-08-13T16:23:55.66 0.1 undecidable manual P 4 0.3957 50 0.04 97
GU.MAIM.HHZ. 2019-08-13T16:23:55.38 0.3 undecidable manual P 118 0.3795 50 0.04 73
IV.BDI.HHZ. 2019-08-13T16:23:55.80 0.1 undecidable manual P 94 0.4083 50 -0.04 97
IV.MSSA.HHZ. 2019-08-13T16:23:55.83 0.3 undecidable manual P 301 0.4272 50 -0.32 68
GU.CARD.HHZ. 2019-08-13T16:23:54.38 0.1 undecidable manual P 102 0.3336 50 -0.17 96
GU.SARM.EHN. 2019-08-13T16:23:53.38 0.3 undecidable manual P 72 0.2815 104 -0.06 74
MN.VLC.HHZ. 2019-08-13T16:23:53.12 0.1 undecidable manual P 76 0.2644 105 0.04 100
IV.PLMA.HHZ. 2019-08-13T16:23:52.50 0.3 undecidable manual S 250 0.134 117 -0.3 73
GU.FIVI.HNE. 2019-08-13T16:23:51.30 1.0 undecidable manual P 26 0.1601 114 0.43 24
GU.EQUI.HHN. 2019-08-13T16:23:51.90 0.3 undecidable manual S 52 0.1133 121 -0.23 74
IV.PLMA.HHZ. 2019-08-13T16:23:50.54 0.1 undecidable manual P 250 0.134 117 0.19 99
GU.EQUI.HHN. 2019-08-13T16:23:50.18 0.1 undecidable manual P 52 0.1133 121 0.22 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLMA.HHE. ML:1.9 0.000752 0.14 AML other m 2019-08-13T16:23:52.70
IV.PLMA.HHN. ML:2 0.0011685 1.32 AML other m 2019-08-13T16:23:53.14
MN.VLC.HHN. ML:1.2 8.11E-5 0.42 AML other m 2019-08-13T16:23:57.68
MN.VLC.HHE. ML:1.3 0.0001115 0.52 AML other m 2019-08-13T16:23:59.28
GU.CARD.HHN. ML:1.8 0.0002685 0.8 AML other m 2019-08-13T16:23:59.22
GU.CARD.HHE. ML:1.7 0.000191 1.36 AML other m 2019-08-13T16:23:59.27
IV.BDI.HHN. ML:1.4 6.895E-5 0.52 AML other m 2019-08-13T16:24:01.70
GU.GRAM.HHE. ML:1.7 0.0001645 0.26 AML other m 2019-08-13T16:24:02.48
GU.GRAM.HHN. ML:1.8 0.000183 0.9 AML other m 2019-08-13T16:24:04.04
IV.BDI.HHE. ML:1.4 8.525E-5 0.28 AML other m 2019-08-13T16:24:06.71
IV.PII.HHN. ML:1.7 0.000109 0.22 AML other m 2019-08-13T16:24:06.82
GU.POPM.HHE. ML:1.8 0.000147 0.74 AML other m 2019-08-13T16:24:09.01
IV.PII.HHE. ML:1.7 0.00011505 0.52 AML other m 2019-08-13T16:24:09.16
GU.POPM.HHN. ML:1.9 0.0001705 0.12 AML other m 2019-08-13T16:24:09.18
IV.ARRO.EHE. ML:2.3 2.765E-5 0.26 AML other m 2019-08-13T16:25:14.41
IV.STAL.HHE. ML:3.8 0.000738 1.44 AML other m 2019-08-13T16:25:31.72
IV.CERT.HHN. ML:2.8 5.86E-5 0.1 AML other m 2019-08-13T16:25:41.75
IV.CERT.HHE. ML:2.5 3.06E-5 1.9 AML other m 2019-08-13T16:25:41.96
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download