Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 25-06-2019 and time 18:59:08 (Italy) in region 2 km W Radicondoli (SI)

A magnitude ML 1.3 earthquake occured in region: 2 km W Radicondoli (SI), on

  • 25-06-2019 16:59:08 (UTC)
  • 25-06-2019 18:59:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2640, 11.0150 at 8 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Radicondoli SI 2 914 914
Casole d'Elsa SI 9 3897 4811
Castelnuovo di Val di Cecina PI 11 2231 7042
Pomarance PI 12 5897 12939
Chiusdino SI 14 1903 14842
Montieri GR 15 1204 16046
Sovicille SI 18 10116 26162
Monterotondo Marittimo GR 18 1371 27533
Monticiano SI 19 1571 29104
Colle di Val d'Elsa SI 20 21620 50724
Volterra PI 20 10519 61243

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Siena (53903 inhabitants)
57 Km N of Grosseto (82087 inhabitants)
57 Km S of Scandicci (50609 inhabitants)
60 Km SW of Firenze (382808 inhabitants)
65 Km E of Livorno (159219 inhabitants)
69 Km S of Prato (191150 inhabitants)
71 Km SE of Pisa (89158 inhabitants)
74 Km W of Arezzo (99543 inhabitants)
75 Km S of Pistoia (90315 inhabitants)
77 Km SE of Lucca (89046 inhabitants)
91 Km SE of Viareggio (62467 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 1.3 2019-06-25
16:59:08		 43.2642 11.0147 8 2019-06-25
17:09:44		 Sala Sismica INGV-Roma 69901801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-06-25 16:59:08 ± 0.14
Latitude 43.2642 ± 0.0081
Longitude 11.0147 ± 0.0099
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 69901801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 807
Semi-minor axis of confidence ellipse (meter) 667
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 315
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63672
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 69901801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-06-25 17:09:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
TV.SF01.EHZ. 2019-06-25T16:59:29.65 0.6 undecidable manual S 138 67.0773 50 0.06 46
IV.CASP.HHZ. 2019-06-25T16:59:25.40 0.6 undecidable manual S 193 53.9016 50 -0.67 40
TV.SF04.EHZ. 2019-06-25T16:59:21.38 0.3 undecidable manual P 132 70.6737 50 0.09 69
TV.SF01.EHZ. 2019-06-25T16:59:20.91 0.6 undecidable manual P 138 67.0773 50 0.18 45
IV.OSSC.HHE. 2019-06-25T16:59:20.24 0.6 undecidable manual S 33 34.2435 50 -0.6 43
IV.CASP.HHZ. 2019-06-25T16:59:19.00 0.1 undecidable manual P 193 53.9016 50 0.3 90
IV.MAGO.CHZ. 2019-06-25T16:59:18.67 0.6 undecidable manual S 272 28.8489 106 -0.38 46
IV.RIBO.EHZ.01 2019-06-25T16:59:15.75 3.0 positive manual P 0.15 0
IV.TRIF.CHZ. 2019-06-25T16:59:15.29 0.6 undecidable manual S 209 18.87 114 -0.51 46
IV.OSSC.HHE. 2019-06-25T16:59:15.80 0.1 undecidable manual P 33 34.2435 50 0.12 97
IV.MAGO.CHZ. 2019-06-25T16:59:14.98 0.6 positive manual P 272 28.8489 106 0.33 47
IV.FROS.CHZ. 2019-06-25T16:59:13.48 0.6 undecidable manual S 118 12.9759 123 -0.5 46
IV.TRIF.CHZ. 2019-06-25T16:59:13.09 0.1 negative manual P 209 18.87 114 0.32 96
IV.FROS.CHZ. 2019-06-25T16:59:11.87 0.1 undecidable manual P 118 12.9759 123 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FROS.CHE. ML:1.9 0.00091575125 0.0896 AML other m 2019-06-25T16:59:13.89
IV.FROS.CHN. ML:2.0 0.0012285473499999999 0.128 AML other m 2019-06-25T16:59:13.78
IV.TRIF.CHE. ML:1.6 0.00030792445 0.192 AML other m 2019-06-25T16:59:16.92
IV.TRIF.CHN. ML:1.6 0.00028910210000000005 0.0896 AML other m 2019-06-25T16:59:15.93
IV.MAGO.CHE. ML:1.1 0.000064271 0.1152 AML other m 2019-06-25T16:59:18.84
IV.MAGO.CHN. ML:1.2 0.000083777225 0.0896 AML other m 2019-06-25T16:59:18.93
IV.RIBO.EHE.01 ML:1.2 0.000062296775 0.2688 AML other m 2019-06-25T16:59:20.74
IV.CASP.HHN. ML:1.1 0.000027762710000000002 0.1408 AML other m 2019-06-25T16:59:27.99
IV.CASP.HHE. ML:1.3 0.00005130979500000001 0.192 AML other m 2019-06-25T16:59:25.56
TV.SF01.EHE. ML:1.2 0.000026733649999999998 1.1008 AML other m 2019-06-25T16:59:40.63
TV.SF01.EHN. ML:1.2 0.0000225722125 0.9472 AML other m 2019-06-25T16:59:41.12
TV.SF04.EHE. ML:1.3 0.000028079506 3.9424 AML other m 2019-06-25T16:59:42.25
TV.SF04.EHN. ML:1.3 0.000033776559999999995 0.1792 AML other m 2019-06-25T16:59:31.71
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