Earthquake with magnitude of ML 1.2 on date 11-08-2024 and time 06:18:27 (UTC) in region 4 km NW Castel Sant'Angelo (RI)

A magnitude ML 1.2 earthquake occured in region: 4 km NW Castel Sant'Angelo (RI), on

  • 11-08-2024 06:18:27 (UTC)
  • 11-08-2024 08:18:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4290, 13.0050 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.

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 4 1308 1308
Micigliano RI 5 127 1435
Borgo Velino RI 5 972 2407
Antrodoco RI 6 2588 4995
Cittaducale RI 7 6828 11823
Cantalice RI 9 2755 14578
Concerviano RI 12 291 14869
Rieti RI 12 47698 62567
Poggio Bustone RI 13 2055 64622
Posta RI 13 694 65316
Borbona RI 14 617 65933
Leonessa RI 15 2435 68368
Belmonte in Sabina RI 15 636 69004
Rivodutri RI 16 1253 70257
Petrella Salto RI 16 1197 71454
Longone Sabino RI 18 597 72051
Morro Reatino RI 18 373 72424
Rocca Sinibalda RI 18 815 73239
Cagnano Amiterno AQ 18 1369 74608
Greccio RI 20 1558 76166
Contigliano RI 20 3783 79949
Labro RI 20 374 80323

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Terni (111501 inhabitants)
34 Km W of L'Aquila (69753 inhabitants)
53 Km NE of Guidonia Montecelio (88673 inhabitants)
54 Km NE of Tivoli (56533 inhabitants)
63 Km W of Teramo (54892 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
73 Km NE of Roma (2864731 inhabitants)
74 Km E of Viterbo (67173 inhabitants)
85 Km N of Velletri (53303 inhabitants)
91 Km SE of Perugia (166134 inhabitants)
94 Km NE of Pomezia (62966 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
96 Km W of Chieti (51815 inhabitants)
97 Km NE of Fiumicino (78395 inhabitants)
97 Km NE of Aprilia (73446 inhabitants)
99 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 2024-08-11
06:18:27
42.4292 13.0047 8 2024-08-11
06:27:02
Sala Sismica INGV-Roma 130579291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-08-11 06:18:27 ± 0.07
Latitude 42.4292 ± 0.0036
Longitude 13.0047 ± 0.0061
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 130579291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 398
Semi-minor axis of confidence ellipse (meter) 343
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49193
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 130579291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-08-11 06:27:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2024-08-11T06:18:46.06 0.6 undecidable manual S 320 54.6009 50 0.39 59
IV.CERT.HHZ. 2024-08-11T06:18:40.19 3.0 undecidable manual P 0
IV.MOMA.HHZ. 2024-08-11T06:18:38.14 0.6 positive manual P 320 54.6009 50 -0.02 63
IV.GAVE.EHZ. 2024-08-11T06:18:38.64 0.6 undecidable manual S 343 30.5472 104 -0.22 63
IV.ARRO.EHZ. 2024-08-11T06:18:37.30 0.6 undecidable manual S 311 25.6521 107 0.07 66
IV.TERO.HHZ. 2024-08-11T06:18:37.58 1.0 undecidable manual P 66 53.502 50 -0.41 29
IV.NRCA.HHZ. 2024-08-11T06:18:36.57 0.6 negative manual P 11 45.7209 50 -0.22 62
IV.RM33.EHZ. 2024-08-11T06:18:35.11 0.6 undecidable manual S 63 19.3695 112 -0.05 67
IV.LNSS.HHZ. 2024-08-11T06:18:35.25 0.6 undecidable manual S 9 19.4694 112 0.04 67
IV.CESX.HHZ. 2024-08-11T06:18:35.64 1.0 undecidable manual P 300 39.5271 50 -0.19 31
IV.SMA1.EHZ. 2024-08-11T06:18:35.12 0.6 undecidable manual P 50 35.0427 103 0 66
IV.FIAM.HHZ. 2024-08-11T06:18:35.33 0.6 undecidable manual S 153 20.0688 111 -0.08 66
IV.GAVE.EHZ. 2024-08-11T06:18:34.04 0.3 undecidable manual P 343 30.5472 104 -0.2 96
IV.ARRO.EHZ. 2024-08-11T06:18:33.22 0.6 positive manual P 311 25.6521 107 -0.07 66
IV.FIAM.HHZ. 2024-08-11T06:18:32.31 0.3 positive manual P 153 20.0688 111 0.07 100
IV.RM33.EHZ. 2024-08-11T06:18:32.43 0.6 undecidable manual P 63 19.3695 112 0.33 63
IV.LNSS.HHZ. 2024-08-11T06:18:32.45 0.6 undecidable manual P 9 19.4694 112 0.32 63
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:1.2 0.00011549999999999999 0.38 AML other m 2024-08-11T06:18:36.68
IV.RM33.EHN. ML:1.0 0.0000922 0.32 AML other m 2024-08-11T06:18:36.63
IV.LNSS.HHE. ML:1.2 0.000126 1.4 AML other m 2024-08-11T06:18:37.18
IV.RM33.EHE. ML:1.1 0.00009604999999999999 0.78 AML other m 2024-08-11T06:18:37.19
IV.ARRO.EHN. ML:1.2 0.00008854999999999998 0.62 AML other m 2024-08-11T06:18:38.18
IV.ARRO.EHE. ML:1.1 0.00007544999999999999 0.82 AML other m 2024-08-11T06:18:38.41
IV.GAVE.EHN. ML:1.4 0.000123 0.96 AML other m 2024-08-11T06:18:39.92
IV.GAVE.EHE. ML:1.3 0.0001005 0.86 AML other m 2024-08-11T06:18:40.58
IV.NRCA.HHE. ML:1.4 0.00006884999999999999 0.74 AML other m 2024-08-11T06:18:44.46
IV.NRCA.HHN. ML:1.1 0.000040400000000000006 0.16 AML other m 2024-08-11T06:18:46.67
IV.MOMA.HHN. ML:1.2 0.000036400000000000004 0.36 AML other m 2024-08-11T06:18:47.68
IV.MOMA.HHE. ML:1.2 0.00004035 1 AML other m 2024-08-11T06:18:48.91
IV.ARVD.HHN. ML:1.3 0.00001365 0.48 AML other m 2024-08-11T06:19:09.04
IV.ARVD.HHE. ML:1.5 0.000023199999999999998 0.34 AML other m 2024-08-11T06:19:09.36
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