Earthquake with magnitude of ML 1.5 on date 24-05-2020 and time 20:44:12 (UTC) in region 4 km SW Castel Giorgio (TR)

A magnitude ML 1.5 earthquake occured in region: 4 km SW Castel Giorgio (TR), on

  • 24-05-2020 20:44:12 (UTC)
  • 24-05-2020 22:44:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.68, 11.96 at 10 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
Castel Giorgio TR 4 2131 2131
San Lorenzo Nuovo VT 4 2091 4222
Bolsena VT 5 3991 8213
Grotte di Castro VT 7 2683 10896
Castel Viscardo TR 9 2938 13834
Gradoli VT 9 1353 15187
Acquapendente VT 10 5506 20693
Onano VT 12 995 21688
Latera VT 12 836 22524
Porano TR 12 1966 24490
Proceno VT 13 557 25047
Orvieto TR 13 20630 45677
Bagnoregio VT 13 3650 49327
Lubriano VT 14 909 50236
Allerona TR 15 1794 52030
Capodimonte VT 15 1731 53761
Marta VT 17 3499 57260
Valentano VT 17 2868 60128
Montefiascone VT 17 13432 73560
Ficulle TR 20 1669 75229
Celleno VT 20 1355 76584
Sorano GR 20 3428 80012

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Viterbo (67173 inhabitants)
58 Km W of Terni (111501 inhabitants)
59 Km SW of Perugia (166134 inhabitants)
67 Km N of Civitavecchia (52991 inhabitants)
68 Km W of Foligno (57155 inhabitants)
69 Km E of Grosseto (82087 inhabitants)
87 Km SE of Siena (53903 inhabitants)
88 Km S of Arezzo (99543 inhabitants)
98 Km NW of Roma (2864731 inhabitants)
99 Km NW of Guidonia Montecelio (88673 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 1.5 2020-05-24
20:44:12
42.68 11.96 11 2020-11-19
12:37:04
Bollettino Sismico Italiano INGV 83805081
Reviewed
Rev100
ML 1.5 2020-05-24
20:44:12
42.69 11.96 10 2020-05-24
21:18:10
Sala Sismica INGV-Roma 79529241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-24 20:44:12 ± 0.08
Latitude 42.68 ± 0.00
Longitude 11.96 ± 0.00
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83805081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 460
Semi-minor axis of confidence ellipse (meter) 56
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 460
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 35
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.61873
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 79529241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-24 21:18:10

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 83805081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-23 15:45:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
CR.ZAG.BHZ. 2020-05-24T20:50:10.50 3.0 undecidable manual S 9.999 0
IV.MILZ.HHZ. 2020-05-24T20:46:20.91 3.0 undecidable manual Sn -1.22 0
IV.ERC.EHZ. 2020-05-24T20:45:34.64 3.0 undecidable manual P 1.12 0
MN.CLTB.HHZ. 2020-05-24T20:45:26.73 3.0 positive manual P -3.97 0
IV.ROSPO.HHZ. 2020-05-24T20:45:18.50 3.0 undecidable manual S 0.92 0
CR.ZAG.BHZ. 2020-05-24T20:45:14.98 3.0 undecidable manual P -2.95 0
IV.IMOL.EHZ. 2020-05-24T20:45:03.33 3.0 undecidable manual Sg 2.21 0
IV.RONT.HHZ. 2020-05-24T20:44:53.39 3.0 undecidable manual Sn 0.03 0
IV.ROSPO.HHZ. 2020-05-24T20:44:52.08 3.0 undecidable manual P 2.12 0
IV.TOLF.HHN. 2020-05-24T20:44:33.30 1.0 undecidable manual S 177 0.6187 50 0.23 22
IV.MOMA.HNE. 2020-05-24T20:44:28.80 0.6 undecidable manual S 75 0.4667 50 0.23 46
IV.BARO.HNN. 2020-05-24T20:44:27.70 0.6 undecidable manual S 171 0.4398 50 -0.06 47
IV.ARCI.HHN. 2020-05-24T20:44:26.90 0.6 undecidable manual S 296 0.3903 50 0.6 42
IV.ATTE.HHE. 2020-05-24T20:44:24.15 0.6 undecidable manual P 29 0.5918 50 0.4 43
TV.SF01.EHZ. 2020-05-24T20:44:24.10 0.6 undecidable manual S 294 0.3157 50 0.03 49
IV.TOLF.HHN. 2020-05-24T20:44:23.82 0.3 undecidable manual P 177 0.6187 50 -0.4 64
TV.SF11.HHZ. 2020-05-24T20:44:22.60 0.6 undecidable manual S 313 0.2752 50 -0.28 47
TV.SF04.EHZ. 2020-05-24T20:44:22.50 0.6 undecidable manual S 305 0.2653 50 -0.08 49
TV.SF13.HHE. 2020-05-24T20:44:22.90 0.6 undecidable manual S 299 0.2815 50 -0.17 48
TV.SF14.HHN. 2020-05-24T20:44:22.40 0.6 undecidable manual S 286 0.2608 50 -0.05 49
TV.SF03.EHZ. 2020-05-24T20:44:21.40 0.6 undecidable manual S 301 0.232 50 -0.19 48
IV.MOMA.HNE. 2020-05-24T20:44:21.74 0.3 undecidable manual P 75 0.4667 50 0.12 70
IV.BARO.HNN. 2020-05-24T20:44:20.90 0.3 undecidable manual P 171 0.4398 50 -0.26 68
IV.ARCI.HHN. 2020-05-24T20:44:20.73 0.3 undecidable manual P 296 0.3903 50 0.41 67
TV.SF01.EHZ. 2020-05-24T20:44:19.32 0.3 undecidable manual P 294 0.3157 50 0.29 70
IV.SACS.HHZ. 2020-05-24T20:44:19.50 0.6 undecidable manual S 349 0.17 119 -0.12 49
TV.SF14.HHN. 2020-05-24T20:44:18.02 0.3 undecidable manual P 286 0.2608 50 -0.06 74
TV.SF13.HHE. 2020-05-24T20:44:18.39 0.3 undecidable manual P 299 0.2815 50 -0.05 74
TV.SF04.EHZ. 2020-05-24T20:44:18.05 0.3 undecidable manual P 305 0.2653 50 -0.12 73
TV.SF11.HHZ. 2020-05-24T20:44:18.32 0.3 undecidable manual P 313 0.2752 50 -0.02 74
IV.LATE.HHZ. 2020-05-24T20:44:18.60 0.6 undecidable manual S 238 0.1304 126 0.26 48
TV.SF03.EHZ. 2020-05-24T20:44:17.45 0.3 undecidable manual P 301 0.232 50 -0.14 73
IV.MGAB.HHZ. 2020-05-24T20:44:17.48 3.0 positive manual P -0.17 0
IV.SACS.HHZ. 2020-05-24T20:44:16.24 0.1 undecidable manual P 349 0.17 119 -0.21 97
IV.LATE.HHZ. 2020-05-24T20:44:15.82 0.1 undecidable manual P 238 0.1304 126 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LATE.HHE. ML:1.5 0.000294 0.42 AML other m 2020-05-24T20:44:19.86
IV.SACS.HHE. ML:1.5 0.000242 0.2 AML other m 2020-05-24T20:44:19.96
IV.SACS.HHN. ML:1.5 0.00023 1.32 AML other m 2020-05-24T20:44:20.30
IV.LATE.HHN. ML:1.7 0.0004435 0.18 AML other m 2020-05-24T20:44:21.88
IV.MGAB.HHN. ML:1.3 0.0001019 0.7 AML other m 2020-05-24T20:44:23.78
TV.SF04.EHN. ML:1.5 0.000158 0.16 AML other m 2020-05-24T20:44:23.58
TV.SF04.EHE. ML:1.4 0.00011675 0.14 AML other m 2020-05-24T20:44:23.90
IV.MGAB.HHE. ML:1.4 0.0001215 1.62 AML other m 2020-05-24T20:44:25.02
IV.ATMI.HHN. ML:0 5.045E-5 0.76 AML other m 2020-05-24T20:44:39.93
IV.ATMI.HHE. ML:0 4.61E-5 1.02 AML other m 2020-05-24T20:44:40.71
CR.ZAG.BHE. ML:3.6 0.0001345 1.92 AML other m 2020-05-24T20:45:15.97
CR.ZAG.BHN. ML:3.6 0.000132 0.72 AML other m 2020-05-24T20:45:16.85
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