Earthquake with magnitude of ML 1.1 on date 21-02-2024 and time 09:23:30 (UTC) in region 6 km NE Città di Castello (PG)

A magnitude ML 1.1 earthquake occured in region: 6 km NE Città di Castello (PG), on

  • 21-02-2024 09:23:30 (UTC)
  • 21-02-2024 10:23:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4950, 12.2850 at 10 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
Città di Castello PG 6 39913 39913
San Giustino PG 11 11297 51210
Monte Santa Maria Tiberina PG 12 1183 52393
Apecchio PU 13 1882 54275
Citerna PG 14 3531 57806
Pietralunga PG 14 2111 59917
Monterchi AR 14 1757 61674
Sansepolcro AR 14 15884 77558
Montone PG 15 1680 79238
Mercatello sul Metauro PU 18 1378 80616
Borgo Pace PU 18 606 81222
Anghiari AR 19 5638 86860

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Arezzo (99543 inhabitants)
44 Km N of Perugia (166134 inhabitants)
67 Km SW of Rimini (147750 inhabitants)
69 Km SW of Pesaro (94582 inhabitants)
69 Km NW of Foligno (57155 inhabitants)
71 Km SW of Fano (60888 inhabitants)
72 Km S of Cesena (96758 inhabitants)
79 Km E of Siena (53903 inhabitants)
83 Km S of Forlì (117913 inhabitants)
88 Km E of Firenze (382808 inhabitants)
94 Km E of Scandicci (50609 inhabitants)
94 Km SE of Faenza (58541 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 1.1 2024-02-21
09:23:30
43.4953 12.285 10 2024-02-21
09:28:40
Sala Sismica INGV-Roma 125417871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-21 09:23:30 ± 0.07
Latitude 43.4953 ± 0.0036
Longitude 12.2850 ± 0.0050
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125417871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 388
Semi-minor axis of confidence ellipse (meter) 336
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 129
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 43
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 0.36872
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 125417871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-21 09:28:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAG.EHZ. 2024-02-21T09:23:44.47 0.3 undecidable manual S 69 40.9257 50 0.2 69
IV.CAFI.HHZ. 2024-02-21T09:23:41.98 0.6 undecidable manual S 234 31.6461 50 0.2 47
IV.ATVA.EHZ. 2024-02-21T09:23:40.24 0.6 undecidable manual S 180 24.0537 112 0.6 43
IV.NARO.HHZ. 2024-02-21T09:23:40.18 0.6 undecidable manual S 62 26.9508 50 -0.37 46
IV.ATFO.HHZ. 2024-02-21T09:23:40.69 0.6 undecidable manual S 122 27.1506 50 0.1 48
IV.ATMI.HHZ. 2024-02-21T09:23:38.27 0.6 undecidable manual S 184 17.9709 119 0.55 44
IV.PIEI.HHZ. 2024-02-21T09:23:38.88 0.6 undecidable manual S 77 20.5683 116 0.34 47
IV.ATLO.EHZ. 2024-02-21T09:23:38.94 0.6 undecidable manual S 154 22.2555 114 -0.14 48
IV.MPAG.EHZ. 2024-02-21T09:23:38.52 0.1 undecidable manual P 69 40.9257 50 0.02 96
IV.TSM2.DHZ.15 2024-02-21T09:23:38.02 0.6 undecidable manual S 124 19.869 116 -0.28 47
IV.PARC.HHZ. 2024-02-21T09:23:38.10 0.6 undecidable manual S 348 17.3715 120 0.54 44
IV.TB01.DHZ.01 2024-02-21T09:23:37.70 0.6 undecidable manual S 136 17.4714 119 0.1 49
IV.CAFI.HHZ. 2024-02-21T09:23:37.00 0.6 negative manual P 234 31.6461 50 -0.06 48
IV.TB03.DHZ.01 2024-02-21T09:23:37.14 0.6 undecidable manual S 136 14.4744 124 0.43 46
IV.TB02.DHZ.01 2024-02-21T09:23:37.69 0.6 undecidable manual S 144 17.0718 120 0.22 48
IV.ATVO.HHZ. 2024-02-21T09:23:37.61 0.6 undecidable manual S 142 15.9729 122 0.49 45
IV.ATFO.HHZ. 2024-02-21T09:23:36.26 0.6 positive manual P 122 27.1506 50 -0.11 48
IV.ATPC.HNZ. 2024-02-21T09:23:36.53 0.6 undecidable manual S 97 13.9749 125 -0.01 50
IV.PE3.EHZ. 2024-02-21T09:23:36.29 0.3 undecidable manual P 37 27.9498 50 -0.22 71
IV.APEC.HHZ. 2024-02-21T09:23:36.42 0.6 undecidable manual S 57 12.876 127 0.17 49
IV.TSM3.DHZ.01 2024-02-21T09:23:36.35 0.6 undecidable manual S 155 13.6752 126 -0.13 49
IV.NARO.HHZ. 2024-02-21T09:23:36.25 1.0 undecidable manual P 62 26.9508 50 -0.1 24
IV.ATVA.EHZ. 2024-02-21T09:23:35.16 0.1 undecidable manual P 180 24.0537 112 -0.67 84
IV.ATPI.EHZ. 2024-02-21T09:23:35.45 0.6 undecidable manual S 118 10.6782 133 -0.21 49
IV.PIEI.HHZ. 2024-02-21T09:23:35.23 0.6 positive manual P 77 20.5683 116 0.04 50
IV.ATMC.EHZ. 2024-02-21T09:23:35.41 0.6 undecidable manual S 234 9.1797 137 0.12 50
IV.ATLO.EHZ. 2024-02-21T09:23:35.43 0.1 undecidable manual P 154 22.2555 114 -0.07 98
IV.APEC.HHZ. 2024-02-21T09:23:34.06 0.1 positive manual P 57 12.876 127 0.19 97
IV.TSM2.DHZ.15 2024-02-21T09:23:34.50 0.1 undecidable manual P 124 19.869 116 -0.56 88
IV.TSM3.DHZ.01 2024-02-21T09:23:34.05 0.1 undecidable manual P 155 13.6752 126 0.05 100
IV.BADI.EHZ. 2024-02-21T09:23:34.04 0.6 undecidable manual S 296 3.5964 160 -0.23 49
IV.PARC.HHZ. 2024-02-21T09:23:34.90 0.6 undecidable manual P 348 17.3715 120 0.27 47
IV.ATMI.HHZ. 2024-02-21T09:23:34.94 1.0 negative manual P 184 17.9709 119 0.22 24
IV.TB01.DHZ.01 2024-02-21T09:23:34.80 0.1 undecidable manual P 136 17.4714 119 0.16 97
IV.ATPC.HNZ. 2024-02-21T09:23:34.10 0.1 undecidable manual P 97 13.9749 125 0.06 100
IV.TB03.DHZ.01 2024-02-21T09:23:34.03 0.1 undecidable manual P 136 14.4744 124 -0.1 99
IV.TB02.DHZ.01 2024-02-21T09:23:34.81 0.1 undecidable manual P 144 17.0718 120 0.23 96
IV.ATVO.HHZ. 2024-02-21T09:23:34.70 0.6 positive manual P 142 15.9729 122 0.33 47
IV.TSM6.DHZ.01 2024-02-21T09:23:33.64 0.6 undecidable manual S 124 4.5954 155 -0.76 42
IV.ATMC.EHZ. 2024-02-21T09:23:33.15 0.3 undecidable manual P 234 9.1797 137 -0.17 74
IV.ATPI.EHZ. 2024-02-21T09:23:33.50 0.6 undecidable manual P 118 10.6782 133 -0.03 50
IV.TSM6.DHZ.01 2024-02-21T09:23:32.46 0.1 undecidable manual P 124 4.5954 155 -0.34 96
IV.BADI.EHZ. 2024-02-21T09:23:32.65 1.0 undecidable manual P 296 3.5964 160 -0.08 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHE. ML:1.0 0.0001299 0.22 AML other m 2024-02-21T09:23:35.31
IV.ATPI.EHN. ML:0.9 0.00009525 1.08 AML other m 2024-02-21T09:23:35.97
IV.APEC.HHN. ML:1.3 0.0001945 0.26 AML other m 2024-02-21T09:23:36.45
IV.APEC.HHE. ML:1.3 0.000219 0.14 AML other m 2024-02-21T09:23:36.76
IV.ATVO.HHN. ML:1.2 0.000154 0.1 AML other m 2024-02-21T09:23:37.77
IV.ATVO.HHE. ML:1.2 0.0001585 0.62 AML other m 2024-02-21T09:23:37.84
IV.PARC.HHE. ML:1.1 0.0001041 0.16 AML other m 2024-02-21T09:23:38.32
IV.PARC.HHN. ML:1.0 0.00007285 1.28 AML other m 2024-02-21T09:23:38.33
IV.PIEI.HHN. ML:1.1 0.0000894 1.84 AML other m 2024-02-21T09:23:39.03
IV.PIEI.HHE. ML:1.0 0.0000783 0.22 AML other m 2024-02-21T09:23:39.95
IV.NARO.HHN. ML:0.8 0.0000349 0.64 AML other m 2024-02-21T09:23:40.54
IV.NARO.HHE. ML:0.9 0.0000426 0.42 AML other m 2024-02-21T09:23:41.32
IV.ATFO.HHN. ML:0.8 0.000037449999999999995 0.48 AML other m 2024-02-21T09:23:41.65
IV.ATFO.HHE. ML:0.9 0.00004475 0.44 AML other m 2024-02-21T09:23:42.25
IV.BADI.EHE. ML:2.0 0.0016828344999999998 0.1024 AML other m 2024-02-21T09:23:33.99
IV.BADI.EHN. ML:1.6 0.0007243228 0.1408 AML other m 2024-02-21T09:23:34.10
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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