Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 24-07-2021 and time 15:35:10 (Italy) in region 2 km SW Poggio San Lorenzo (RI)

A magnitude ML 2.0 earthquake occured in region: 2 km SW Poggio San Lorenzo (RI), on

  • 24-07-2021 13:35:10 (UTC)
  • 24-07-2021 15:35:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2380, 12.8320 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Poggio San Lorenzo RI 2 589 589
Monteleone Sabino RI 2 1224 1813
Frasso Sabino RI 2 743 2556
Casaprota RI 3 744 3300
Poggio Nativo RI 4 2622 5922
Torricella in Sabina RI 4 1342 7264
Montenero Sabino RI 5 299 7563
Poggio Moiano RI 5 2751 10314
Mompeo RI 7 530 10844
Toffia RI 7 1058 11902
Castelnuovo di Farfa RI 7 1059 12961
Salisano RI 7 567 13528
Scandriglia RI 8 3108 16636
Rocca Sinibalda RI 9 815 17451
Fara in Sabina RI 9 13742 31193
Nerola RM 9 1926 33119
Colle di Tora RI 10 372 33491
Belmonte in Sabina RI 10 636 34127
Monte San Giovanni in Sabina RI 11 714 34841
Castel di Tora RI 11 288 35129
Montorio Romano RM 11 1984 37113
Montopoli di Sabina RI 12 4210 41323
Longone Sabino RI 12 597 41920
Poggio Mirteto RI 13 6315 48235
Poggio Catino RI 13 1341 49576
Montelibretti RM 14 5323 54899
Pozzaglia Sabina RI 14 360 55259
Monteflavio RM 14 1348 56607
Moricone RM 14 2650 59257
Ascrea RI 14 234 59491
Orvinio RI 15 405 59896
Paganico Sabino RI 15 172 60068
Roccantica RI 15 563 60631
Varco Sabino RI 16 187 60818
Concerviano RI 16 291 61109
Percile RM 17 255 61364
Cantalupo in Sabina RI 17 1685 63049
Casperia RI 17 1246 64295
Torrita Tiberina RM 18 1089 65384
Marcetelli RI 18 89 65473
Collegiove RI 18 213 65686
Turania RI 18 241 65927
Rieti RI 19 47698 113625
Licenza RM 19 1011 114636
Cittaducale RI 19 6828 121464
Filacciano RM 19 477 121941
Nazzano RM 19 1436 123377
Selci RI 20 1106 124483
Palombara Sabina RM 20 13269 137752
Contigliano RI 20 3783 141535

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NE of Guidonia Montecelio (88673 inhabitants)
31 Km N of Tivoli (56533 inhabitants)
39 Km SE of Terni (111501 inhabitants)
48 Km NE of Roma (2864731 inhabitants)
48 Km W of L'Aquila (69753 inhabitants)
61 Km N of Velletri (53303 inhabitants)
63 Km E of Viterbo (67173 inhabitants)
69 Km NE of Pomezia (62966 inhabitants)
71 Km NE of Fiumicino (78395 inhabitants)
73 Km N of Aprilia (73446 inhabitants)
81 Km S of Foligno (57155 inhabitants)
86 Km SW of Teramo (54892 inhabitants)
86 Km N of Latina (125985 inhabitants)
87 Km E of Civitavecchia (52991 inhabitants)
89 Km N of Anzio (54211 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 2.0 2021-07-24
13:35:10		 42.2377 12.832 10 2021-12-29
11:12:15		 Bollettino Sismico Italiano INGV 93297771
Reviewed
Rev100 		ML 1.9 2021-07-24
13:35:10		 42.229 12.8348 10 2021-07-24
13:52:20		 Sala Sismica INGV-Roma 93153131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-24 13:35:10 ± 0.05
Latitude 42.2377 ± 0.0018
Longitude 12.8320 ± 0.0036
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 93297771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 244
Semi-minor axis of confidence ellipse (meter) 201
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 146
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.06295
Epicentral distance of station farthest from the epicenter (degree) 0.74824
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 93297771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-28 10:30:18

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 41
Type of magnitude ML
Reference to an origin 93153131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-24 13:52:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2021-07-24T13:35:31.65 0.6 undecidable manual S 19 69.9744 50 -0.08 46
IV.MOMA.HHZ. 2021-07-24T13:35:31.20 0.6 undecidable manual S 341 66.378 50 0.45 43
IV.SMA1.EHZ. 2021-07-24T13:35:28.85 0.6 undecidable manual S 43 59.9955 50 -0.19 45
IV.T1299.HNN. 2021-07-24T13:35:28.74 0.6 undecidable manual S 40 57.3981 50 0.38 44
IV.PTQR.HHZ. 2021-07-24T13:35:27.52 0.6 undecidable manual S 117 52.503 50 0.46 44
IV.GAVE.EHZ. 2021-07-24T13:35:26.70 0.3 undecidable manual S 6 50.7159 50 0.13 70
IV.CESX.HHZ. 2021-07-24T13:35:25.13 0.6 undecidable manual S 334 45.8208 50 -0.13 47
IV.RM33.EHZ. 2021-07-24T13:35:24.79 0.6 undecidable manual S 46 43.4232 50 0.15 47
IV.LNSS.HHZ. 2021-07-24T13:35:24.88 0.6 undecidable manual S 23 43.9227 50 0.11 48
IV.GIUL.HHZ. 2021-07-24T13:35:24.56 0.6 undecidable manual P 155 83.0502 50 -0.16 44
IV.MC2.EHZ. 2021-07-24T13:35:24.21 0.1 undecidable manual P 21 80.2641 50 -0.08 90
IV.ARRO.EHZ. 2021-07-24T13:35:23.28 0.3 undecidable manual S 352 38.2284 50 0.03 73
IV.MTRA.EHZ. 2021-07-24T13:35:22.94 0.1 undecidable manual P 39 73.7706 50 -0.36 86
IV.MOMA.HHZ. 2021-07-24T13:35:22.14 0.3 undecidable manual P 341 66.378 50 -0.01 70
IV.NRCA.HHZ. 2021-07-24T13:35:22.46 0.1 undecidable manual P 19 69.9744 50 -0.25 88
IV.BARO.EHZ. 2021-07-24T13:35:22.01 0.1 undecidable manual P 271 64.0914 50 0.2 90
IV.GUAR.HNN. 2021-07-24T13:35:21.68 1.0 undecidable manual P 141 63.0924 50 0.03 23
IV.SMA1.EHZ. 2021-07-24T13:35:21.12 0.1 positive manual P 43 59.9955 50 -0.05 94
IT.CSO1.HGZ. 2021-07-24T13:35:20.37 0.6 undecidable manual S 126 25.9518 50 0.41 46
IV.SRES.HHZ. 2021-07-24T13:35:20.09 0.6 undecidable manual S 270 26.4513 50 -0.01 50
IV.T1299.HNN. 2021-07-24T13:35:20.71 0.1 positive manual P 40 57.3981 50 -0.06 94
IV.CAMP.HHE. 2021-07-24T13:35:20.75 0.3 undecidable manual P 55 57.6978 50 -0.07 70
IV.GAVE.EHZ. 2021-07-24T13:35:19.62 0.1 undecidable manual P 6 50.7159 50 -0.12 94
IV.FIAM.HHZ. 2021-07-24T13:35:19.32 0.6 undecidable manual S 82 23.6541 50 -0.03 50
IV.CESX.HHZ. 2021-07-24T13:35:19.08 0.6 undecidable manual P 334 45.8208 50 0.1 48
IV.PTQR.HHZ. 2021-07-24T13:35:19.82 0.6 undecidable manual P 117 52.503 50 -0.2 46
MN.AQU.HNN. 2021-07-24T13:35:19.31 0.1 undecidable manual P 74 48.7179 50 -0.13 94
IV.MTCE.HHZ. 2021-07-24T13:35:19.45 0.3 undecidable manual S 197 24.9528 50 -0.24 72
IV.RM33.EHZ. 2021-07-24T13:35:18.52 0.1 positive manual P 46 43.4232 50 -0.1 95
IV.RCAV.EHZ. 2021-07-24T13:35:18.68 1.0 undecidable manual P 168 44.3223 50 -0.07 24
IV.LNSS.HHZ. 2021-07-24T13:35:18.68 0.1 negative manual P 23 43.9227 50 -0.02 97
IV.ARRO.EHZ. 2021-07-24T13:35:17.96 0.1 undecidable manual P 352 38.2284 50 0.14 96
IT.CSO1.HGZ. 2021-07-24T13:35:16.13 0.3 undecidable manual P 126 25.9518 50 0.21 72
IV.SRES.HHZ. 2021-07-24T13:35:15.91 0.1 positive manual P 270 26.4513 50 -0.09 99
IV.FIAM.HHZ. 2021-07-24T13:35:15.63 0.1 positive manual P 82 23.6541 50 0.06 100
IV.MTCE.HHZ. 2021-07-24T13:35:15.73 0.1 positive manual P 197 24.9528 50 -0.04 100
IT.MMP1.HGZ. 2021-07-24T13:35:14.66 0.3 undecidable manual S 281 6.993 146 -0.07 77
IT.MMP1.HGZ. 2021-07-24T13:35:13.17 0.1 undecidable manual P 281 6.993 146 0.27 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTCE.HHN. ML:1.5 0.00017051350000000002 0.16 AML other m 2021-07-24T13:35:19.83
IV.MTCE.HHE. ML:1.7 0.00032499999999999993 1.54 AML other m 2021-07-24T13:35:20.80
IV.FIAM.HHN. ML:1.6 0.00026417005 0.4416 AML other m 2021-07-24T13:35:20.06
IV.SRES.HHN. ML:1.5 0.0001789938 0.2176 AML other m 2021-07-24T13:35:21.92
IV.SRES.HHE. ML:1.6 0.00019335785 0.16 AML other m 2021-07-24T13:35:22.06
IV.FIAM.HHE. ML:1.8 0.00036200035 0.6144 AML other m 2021-07-24T13:35:23.06
IV.ARRO.EHE. ML:1.9 0.00031702415 0.2048 AML other m 2021-07-24T13:35:24.26
IV.LNSS.HHE. ML:2.2 0.00048243365000000005 0.1216 AML other m 2021-07-24T13:35:25.16
IV.RM33.HNN. ML:1.8 0.0002048166 0.3904 AML other m 2021-07-24T13:35:25.25
IV.LNSS.HNN. ML:2.1 0.00036413834999999997 0.1024 AML other m 2021-07-24T13:35:25.22
IV.ARRO.EHN. ML:2.0 0.0003939192 0.16 AML other m 2021-07-24T13:35:25.24
IV.RM33.EHN. ML:1.7 0.0001471525 0.1792 AML other m 2021-07-24T13:35:25.54
IV.LNSS.HNE. ML:2.1 0.0004174208 0.1024 AML other m 2021-07-24T13:35:25.72
IV.LNSS.HHN. ML:2.1 0.0003722513 0.1408 AML other m 2021-07-24T13:35:26.19
IV.GAVE.EHE. ML:2.4 0.0006785 0.2 AML other m 2021-07-24T13:35:27.15
IV.GAVE.HNE. ML:2.4 0.0006885564499999999 0.1728 AML other m 2021-07-24T13:35:27.86
IV.GAVE.HNN. ML:2.0 0.0002684725 0.3264 AML other m 2021-07-24T13:35:27.78
IV.GAVE.EHN. ML:2.4 0.0006945 1.84 AML other m 2021-07-24T13:35:27.03
IV.CESX.HHN. ML:1.7 0.00013837315 0.1408 AML other m 2021-07-24T13:35:28.08
IV.CESX.HHE. ML:1.5 0.00009660012 0.1792 AML other m 2021-07-24T13:35:28.77
IV.MOMA.HHN. ML:2.2 0.0002695 0.3 AML other m 2021-07-24T13:35:33.17
IV.MOMA.HNN. ML:2.0 0.0001989629 0.2944 AML other m 2021-07-24T13:35:33.17
IV.MOMA.HHE. ML:2.1 0.0002218123 0.16 AML other m 2021-07-24T13:35:34.21
IV.MOMA.HNE. ML:2.1 0.00024592150000000003 0.1792 AML other m 2021-07-24T13:35:34.21
IV.NRCA.HHE. ML:2.1 0.00022592975000000002 0.1216 AML other m 2021-07-24T13:35:34.61
IV.NRCA.HNE. ML:2.1 0.00020985475 0.1152 AML other m 2021-07-24T13:35:34.61
IV.NRCA.HHN. ML:2.2 0.00025270555 0.1408 AML other m 2021-07-24T13:35:35.08
IV.NRCA.HNN. ML:2.1 0.000229346795 0.1216 AML other m 2021-07-24T13:35:35.08
IV.MTRA.EHN. ML:1.9 0.00012780049500000002 0.2624 AML other m 2021-07-24T13:35:35.53
IV.MTRA.HNN. ML:1.9 0.00012926014499999998 0.5312 AML other m 2021-07-24T13:35:40.18
IV.MTRA.HNE. ML:2.0 0.000151619795 0.4992 AML other m 2021-07-24T13:35:40.46
IV.MTRA.EHE. ML:2.1 0.00017770955 0.4352 AML other m 2021-07-24T13:35:40.21
IV.GIUL.HHE. ML:1.5 0.00004093554 0.2176 AML other m 2021-07-24T13:35:40.51
IV.GIUL.HHN. ML:1.6 0.000055094909999999994 0.3008 AML other m 2021-07-24T13:35:41.06
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