Earthquake with magnitude of ML 1.2 on date 04-04-2024 and time 17:52:11 (UTC) in region 2 km SW Castel Sant'Angelo (RI)

A magnitude ML 1.2 earthquake occured in region: 2 km SW Castel Sant'Angelo (RI), on

  • 04-04-2024 17:52:11 (UTC)
  • 04-04-2024 19:52:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3830, 13.0080 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 Sant'Angelo RI 2 1308 1308
Cittaducale RI 5 6828 8136
Borgo Velino RI 5 972 9108
Concerviano RI 7 291 9399
Antrodoco RI 7 2588 11987
Micigliano RI 9 127 12114
Petrella Salto RI 11 1197 13311
Belmonte in Sabina RI 12 636 13947
Rieti RI 12 47698 61645
Longone Sabino RI 13 597 62242
Cantalice RI 13 2755 64997
Rocca Sinibalda RI 14 815 65812
Varco Sabino RI 16 187 65999
Fiamignano RI 16 1413 67412
Poggio Bustone RI 17 2055 69467
Posta RI 17 694 70161
Marcetelli RI 18 89 70250
Torricella in Sabina RI 18 1342 71592
Borbona RI 18 617 72209
Castel di Tora RI 19 288 72497
Rivodutri RI 19 1253 73750
Colle di Tora RI 20 372 74122
Montenero Sabino RI 20 299 74421
Poggio San Lorenzo RI 20 589 75010
Cagnano Amiterno AQ 20 1369 76379
Monte San Giovanni in Sabina RI 20 714 77093

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of L'Aquila (69753 inhabitants)
36 Km SE of Terni (111501 inhabitants)
48 Km NE of Guidonia Montecelio (88673 inhabitants)
50 Km NE of Tivoli (56533 inhabitants)
65 Km W of Teramo (54892 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
69 Km NE of Roma (2864731 inhabitants)
74 Km E of Viterbo (67173 inhabitants)
80 Km N of Velletri (53303 inhabitants)
90 Km NE of Pomezia (62966 inhabitants)
93 Km NE of Aprilia (73446 inhabitants)
93 Km NE of Fiumicino (78395 inhabitants)
95 Km W of Montesilvano (53738 inhabitants)
95 Km SE of Perugia (166134 inhabitants)
95 Km W of Chieti (51815 inhabitants)
100 Km W of Pescara (121014 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 2024-04-04
17:52:11
42.3832 13.0077 10 2024-04-04
18:36:36
Sala Sismica INGV-Roma 126478541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-04 17:52:11 ± 0.2
Latitude 42.3832 ± 0.0099
Longitude 13.0077 ± 0.0146
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126478541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1280
Semi-minor axis of confidence ellipse (meter) 1040
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 1280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 173
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.70687
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 126478541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-04 18:36:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.HHZ. 2024-04-04T17:53:06.70 3.0 undecidable manual Sg 1.92 0
IV.FDMO.HHZ. 2024-04-04T17:52:34.31 0.3 undecidable manual S 5 72.7716 50 0.65 82
IV.MOMA.HHZ. 2024-04-04T17:52:30.55 0.6 undecidable manual S 323 58.7967 50 0.63 57
IV.NRCA.HHZ. 2024-04-04T17:52:27.61 0.3 undecidable manual S 10 50.7159 50 -0.16 97
IV.ASSB.HHZ. 2024-04-04T17:52:25.05 0.3 undecidable manual P 339 78.4659 50 -0.14 93
IV.FDMO.HHZ. 2024-04-04T17:52:24.00 0.3 undecidable manual P 5 72.7716 50 -0.31 91
IV.SMA1.EHZ. 2024-04-04T17:52:24.68 0.3 undecidable manual S 44 38.3283 50 0.21 99
IV.MOMA.HHZ. 2024-04-04T17:52:22.19 0.6 positive manual P 323 58.7967 50 0.04 66
IV.NRCA.HHZ. 2024-04-04T17:52:20.45 0.6 negative manual P 10 50.7159 50 -0.46 61
IV.SMA1.EHZ. 2024-04-04T17:52:18.81 0.6 positive manual P 44 38.3283 50 -0.2 66
IV.ARRO.EHZ. 2024-04-04T17:52:17.18 0.6 positive manual P 318 29.4483 50 -0.45 63
IV.RM33.EHZ. 2024-04-04T17:52:16.07 0.6 undecidable manual P 50 21.9669 114 -0.29 66
IV.FIAM.HHZ. 2024-04-04T17:52:15.58 0.3 positive manual P 145 15.5733 123 0.33 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.3 0.00014099999999999998 0.38 AML other m 2024-04-04T17:52:20.13
IV.FIAM.HHN. ML:1.2 0.00015250000000000002 1.52 AML other m 2024-04-04T17:52:20.22
IV.FIAM.HHE. ML:1.2 0.000163 0.38 AML other m 2024-04-04T17:52:21.29
IV.RM33.EHE. ML:1.3 0.0001315 0.28 AML other m 2024-04-04T17:52:22.15
IV.ARRO.EHN. ML:1.1 0.00005965 0.86 AML other m 2024-04-04T17:52:23.27
IV.ARRO.EHE. ML:1.0 0.0000487 0.64 AML other m 2024-04-04T17:52:24.63
IV.NRCA.HHE. ML:1.2 0.0000414 0.14 AML other m 2024-04-04T17:52:28.99
IV.SMA1.EHN. ML:1.1 0.00004695 0.34 AML other m 2024-04-04T17:52:29.66
IV.NRCA.HHN. ML:1.1 0.0000303 0.54 AML other m 2024-04-04T17:52:29.57
IV.MOMA.HHE. ML:1.2 0.00003285 1.52 AML other m 2024-04-04T17:52:32.01
IV.MOMA.HHN. ML:1.1 0.00002525 0.64 AML other m 2024-04-04T17:52:33.36
IV.SMA1.EHE. ML:1.2 0.000054449999999999995 0.42 AML other m 2024-04-04T17:52:33.12
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