Earthquake with magnitude of ML 1.2 on date 23-01-2024 and time 22:15:30 (UTC) in region 3 km N Castel Ritaldi (PG)

A magnitude ML 1.2 earthquake occured in region: 3 km N Castel Ritaldi (PG), on

  • 23-01-2024 22:15:30 (UTC)
  • 23-01-2024 23:15:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8550, 12.6710 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
Castel Ritaldi PG 3 3278 3278
Montefalco PG 5 5679 8957
Trevi PG 7 8469 17426
Giano dell'Umbria PG 8 3846 21272
Campello sul Clitunno PG 10 2442 23714
Bevagna PG 10 5081 28795
Gualdo Cattaneo PG 11 6155 34950
Foligno PG 12 57155 92105
Spoleto PG 14 38218 130323
Massa Martana PG 15 3770 134093
Spello PG 15 8645 142738
Cannara PG 17 4305 147043
Vallo di Nera PG 18 364 147407
Sant'Anatolia di Narco PG 19 564 147971
Collazzone PG 20 3473 151444

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km S of Foligno (57155 inhabitants)
33 Km N of Terni (111501 inhabitants)
36 Km SE of Perugia (166134 inhabitants)
67 Km NE of Viterbo (67173 inhabitants)
82 Km NW of L'Aquila (69753 inhabitants)
87 Km W of Teramo (54892 inhabitants)
93 Km SE of Arezzo (99543 inhabitants)
95 Km N of Guidonia Montecelio (88673 inhabitants)
100 Km N of Tivoli (56533 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 1.2 2024-01-23
22:15:30
42.8547 12.6712 10 2024-01-23
22:21:05
Sala Sismica INGV-Roma 124817831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-23 22:15:30 ± 0.06
Latitude 42.8547 ± 0.0045
Longitude 12.6712 ± 0.0086
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124817831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 837
Semi-minor axis of confidence ellipse (meter) 299
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 302
Circular confidence region, given by single value of horizontal uncertainty (meter) 840.0
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 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.08993
Epicentral distance of station farthest from the epicenter (degree) 0.53600
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 124817831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-23 22:21:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARRO.EHZ. 2024-01-23T22:15:42.17 0.1 undecidable manual S 166 31.5462 50 0.21 94
IV.RM33.EHZ. 2024-01-23T22:15:41.33 0.3 undecidable manual P 131 58.5969 50 -0.09 69
IV.SMA1.EHZ. 2024-01-23T22:15:41.79 0.1 undecidable manual P 114 59.496 50 0.22 89
IV.CESX.HHN. 2024-01-23T22:15:40.66 0.1 undecidable manual S 194 28.1496 50 -0.41 90
IV.MMO1.EHZ. 2024-01-23T22:15:40.59 0.1 undecidable manual P 84 53.502 50 -0.05 93
IV.CESI.HHZ. 2024-01-23T22:15:40.07 0.3 undecidable manual S 49 25.2525 111 -0.14 72
IV.CSP1.EHZ. 2024-01-23T22:15:40.30 0.1 undecidable manual P 59 50.7159 50 0.09 93
IV.ASSB.HHZ. 2024-01-23T22:15:38.82 0.1 undecidable manual S 357 20.868 115 0 100
IV.LNSS.HHZ. 2024-01-23T22:15:38.52 0.1 undecidable manual P 133 41.0256 50 -0.2 92
IV.FDMO.HHZ. 2024-01-23T22:15:38.41 1.0 undecidable manual P 59 39.3273 50 -0.05 24
IV.NRCA.HHZ. 2024-01-23T22:15:37.79 0.1 undecidable manual P 94 36.1416 50 -0.17 94
IV.CESX.HHN. 2024-01-23T22:15:37.13 0.6 undecidable manual P 194 28.1496 50 0.4 45
IV.ARRO.EHZ. 2024-01-23T22:15:37.47 0.3 undecidable manual P 166 31.5462 50 0.22 70
IV.CESI.HHZ. 2024-01-23T22:15:36.28 0.3 undecidable manual P 49 25.2525 111 0.04 74
IT.GNU.HGZ. 2024-01-23T22:15:35.59 0.1 undecidable manual S 236 9.9789 135 -0.08 100
IV.ASSB.HHZ. 2024-01-23T22:15:35.41 0.1 undecidable manual P 357 20.868 115 -0.03 99
IV.MOMA.HHZ. 2024-01-23T22:15:35.48 0.1 undecidable manual S 236 9.9789 135 -0.19 98
IV.MOMA.HHZ. 2024-01-23T22:15:33.95 0.1 undecidable manual P 236 9.9789 135 0.34 95
IT.GNU.HGZ. 2024-01-23T22:15:33.70 0.1 undecidable manual P 236 9.9789 135 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:1.1 0.00008485 0.74 AML other m 2024-01-23T22:15:39.37
IV.ASSB.HHN. ML:1.0 0.00007939999999999999 0.9 AML other m 2024-01-23T22:15:39.53
IV.CESI.HHE. ML:0.9 0.00005025 1.2 AML other m 2024-01-23T22:15:40.83
IV.CESI.HHN. ML:1.1 0.00008054999999999999 0.22 AML other m 2024-01-23T22:15:42.23
IV.ARRO.EHN. ML:1.1 0.00005995 0.42 AML other m 2024-01-23T22:15:42.52
IV.ARRO.EHE. ML:1.2 0.00006534999999999999 0.5 AML other m 2024-01-23T22:15:42.59
IV.NRCA.HHE. ML:1.2 0.00006775000000000001 1.12 AML other m 2024-01-23T22:15:44.75
IV.NRCA.HHN. ML:1.1 0.00004745 1.24 AML other m 2024-01-23T22:15:45.03
IV.LNSS.HHN. ML:1.4 0.0000946 1.24 AML other m 2024-01-23T22:15:46.69
IV.LNSS.HHE. ML:1.3 0.00006625 0.3 AML other m 2024-01-23T22:15:46.74
IV.MMO1.EHN. ML:1.5 0.00006984999999999999 1.8 AML other m 2024-01-23T22:15:49.03
IV.MMO1.EHE. ML:1.4 0.0000573 0.22 AML other m 2024-01-23T22:15:49.09
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download