Earthquake with magnitude of ML 1.4 on date 28-08-2019 and time 06:05:00 (Italy) in region 6 km W Monterotondo Marittimo (GR)

A magnitude ML 1.4 earthquake occured in region: 6 km W Monterotondo Marittimo (GR), on

  • 28-08-2019 04:05:00 (UTC)
  • 28-08-2019 06:05:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1540, 10.7840 at 6 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Monterotondo Marittimo GR 6 1371 1371
Monteverdi Marittimo PI 6 758 2129
Sassetta LI 12 514 2643
Castelnuovo di Val di Cecina PI 12 2231 4874
Suvereto LI 12 3072 7946
Castagneto Carducci LI 14 9010 16956
Massa Marittima GR 14 8375 25331
Campiglia Marittima LI 17 13218 38549
Pomarance PI 18 5897 44446
Montieri GR 19 1204 45650
Bibbona LI 20 3175 48825

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km W of Siena (53903 inhabitants)
51 Km NW of Grosseto (82087 inhabitants)
59 Km SE of Livorno (159219 inhabitants)
70 Km SE of Pisa (89158 inhabitants)
75 Km SW of Scandicci (50609 inhabitants)
78 Km SW of Firenze (382808 inhabitants)
80 Km S of Lucca (89046 inhabitants)
85 Km SW of Prato (191150 inhabitants)
88 Km S of Pistoia (90315 inhabitants)
90 Km SE of Viareggio (62467 inhabitants)
96 Km W of Arezzo (99543 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
Reviewed
Rev100
ML 1.4 2019-08-28
04:05:00
43.1537 10.7843 6 2019-08-28
04:14:49
Sala Sismica INGV-Roma 71866541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-28 04:05:00 ± 0.1
Latitude 43.1537 ± 0.0054
Longitude 10.7843 ± 0.0074
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 71866541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 574
Semi-minor axis of confidence ellipse (meter) 407
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 223
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
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) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.09443
Epicentral distance of station farthest from the epicenter (degree) 0.71496
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 71866541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-28 04:14:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELB.HHZ. 2019-08-28T04:05:21.10 0.6 undecidable manual S 226 64.8906 50 -0.36 45
IV.ARCI.HHZ. 2019-08-28T04:05:21.29 0.6 undecidable manual S 121 65.2902 50 -0.28 45
TV.SF04.EHZ. 2019-08-28T04:05:15.56 0.3 undecidable manual P 116 79.365 50 0.74 57
IV.CASP.HHZ. 2019-08-28T04:05:14.30 0.3 undecidable manual S 171 40.7259 98 -0.43 69
IV.ARCI.HHZ. 2019-08-28T04:05:13.05 0.6 undecidable manual P 121 65.2902 50 0.4 44
IV.CRMI.HHE. 2019-08-28T04:05:13.77 0.3 undecidable manual P 12 72.9714 50 -0.06 70
IV.CELB.HHZ. 2019-08-28T04:05:12.90 0.3 undecidable manual P 226 64.8906 50 0.32 68
IV.PII.HHZ. 2019-08-28T04:05:12.64 0.3 undecidable manual P 342 66.378 50 -0.18 69
IV.RIBO.EHZ.01 2019-08-28T04:05:11.46 0.6 undecidable manual S 137 31.0467 100 0.05 51
IV.OSSC.HHZ. 2019-08-28T04:05:10.81 0.6 undecidable manual P 42 55.4001 50 -0.32 46
IV.FROS.CHZ. 2019-08-28T04:05:10.81 0.3 undecidable manual S 78 30.747 100 -0.47 70
IV.CASP.HHZ. 2019-08-28T04:05:08.43 0.3 undecidable manual P 171 40.7259 98 -0.27 71
IV.MAGO.CHZ. 2019-08-28T04:05:06.37 0.3 undecidable manual S 322 16.7721 108 -0.2 76
IV.FROS.CHZ. 2019-08-28T04:05:06.67 0.3 undecidable manual P 78 30.747 100 -0.04 76
IV.RIBO.EHZ.01 2019-08-28T04:05:06.94 0.3 undecidable manual P 137 31.0467 100 0.16 74
IV.MAGO.CHZ. 2019-08-28T04:05:04.23 0.1 undecidable manual P 322 16.7721 108 0.24 100
IV.TRIF.CHZ. 2019-08-28T04:05:04.55 0.3 undecidable manual S 114 10.4784 118 -0.02 79
IV.TRIF.CHZ. 2019-08-28T04:05:03.27 0.1 undecidable manual P 114 10.4784 118 0.44 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TRIF.CHE. ML:1.6 0.0007395 0.18 AML other m 2019-08-28T04:05:05.16
IV.TRIF.CHN. ML:1.7 0.0007754999999999999 0.22 AML other m 2019-08-28T04:05:05.20
IV.MAGO.CHE. ML:1.8 0.0006615 0.16 AML other m 2019-08-28T04:05:06.72
IV.MAGO.CHN. ML:1.9 0.0007830000000000001 1.34 AML other m 2019-08-28T04:05:06.22
IV.CASP.HHE. ML:1.2 0.0000482 1.06 AML other m 2019-08-28T04:05:14.38
IV.CASP.HHN. ML:1.3 0.00006925 0.34 AML other m 2019-08-28T04:05:15.21
IV.PII.HHN. ML:1.2 0.000031 0.24 AML other m 2019-08-28T04:05:21.87
IV.CELB.HHE. ML:1.6 0.00007345 1.82 AML other m 2019-08-28T04:05:22.05
IV.PII.HHE. ML:1.1 0.0000234 1.1 AML other m 2019-08-28T04:05:23.89
IV.RIBO.EHE.01 ML:1.6 0.00020063045000000003 0.1984 AML other m 2019-08-28T04:05:12.68
IV.CELB.HHN. ML:1.3 0.00003527619999999999 0.1216 AML other m 2019-08-28T04:05:21.16
IV.ARCI.HHE. ML:0.7 0.000010416899 0.7616 AML other m 2019-08-28T04:05:21.58
IV.ARCI.HHN. ML:0.7 0.000009693195 1.2416 AML other m 2019-08-28T04:05:21.74
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