Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 25-09-2018 and time 04:52:24 (Italy) in region 5 km SE Castel Sant'Angelo (RI)

A magnitude ML 2.3 earthquake occured in region: 5 km SE Castel Sant'Angelo (RI), on

  • 25-09-2018 02:52:24 (UTC)
  • 25-09-2018 04:52:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3600, 13.0600 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
Castel Sant'Angelo RI 5 1308 1308
Borgo Velino RI 5 972 2280
Antrodoco RI 7 2588 4868
Petrella Salto RI 7 1197 6065
Concerviano RI 7 291 6356
Cittaducale RI 10 6828 13184
Micigliano RI 10 127 13311
Fiamignano RI 12 1413 14724
Longone Sabino RI 12 597 15321
Varco Sabino RI 14 187 15508
Belmonte in Sabina RI 14 636 16144
Rocca Sinibalda RI 15 815 16959
Marcetelli RI 15 89 17048
Scoppito AQ 16 3727 20775
Rieti RI 17 47698 68473
Cagnano Amiterno AQ 18 1369 69842
Cantalice RI 18 2755 72597
Castel di Tora RI 18 288 72885
Borbona RI 18 617 73502
Pescorocchiano RI 19 2075 75577
Posta RI 19 694 76271
Colle di Tora RI 19 372 76643
Ascrea RI 19 234 76877
Torricella in Sabina RI 19 1342 78219
Paganico Sabino RI 20 172 78391

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of L'Aquila (69753 inhabitants)
41 Km SE of Terni (111501 inhabitants)
48 Km NE of Guidonia Montecelio (88673 inhabitants)
49 Km NE of Tivoli (56533 inhabitants)
63 Km SW of Teramo (54892 inhabitants)
70 Km NE of Roma (2864731 inhabitants)
72 Km SE of Foligno (57155 inhabitants)
78 Km NE of Velletri (53303 inhabitants)
79 Km E of Viterbo (67173 inhabitants)
89 Km NE of Pomezia (62966 inhabitants)
91 Km W of Chieti (51815 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
92 Km NE of Aprilia (73446 inhabitants)
94 Km NE of Fiumicino (78395 inhabitants)
96 Km W of Pescara (121014 inhabitants)
100 Km SE of Perugia (166134 inhabitants)
100 Km N of Latina (125985 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 2.3 2018-09-25
02:52:24		 42.3602 13.0602 10 2019-06-04
09:15:57		 Bollettino Sismico Italiano INGV 61804931
Reviewed
Rev100 		ML 2.3 2018-09-25
02:52:24		 42.356 13.0612 10 2018-09-25
03:02:19		 Sala Sismica INGV-Roma 61285611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-25 02:52:24 ± 0.06
Latitude 42.3602 ± 0.0018
Longitude 13.0602 ± 0.0049
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 61804931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 313
Semi-minor axis of confidence ellipse (meter) 194
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 67
Number of defining phases 64
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.09447
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 42
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 49
Type of magnitude ML
Reference to an origin 61804931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-05 13:50:13

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 40
Type of magnitude ML
Reference to an origin 61285611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-25 03:02:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRJ.HNZ. 2018-09-25T02:53:12.10 3.0 undecidable manual S 0.33 0
IV.MML1.EHZ. 2018-09-25T02:52:49.50 0.3 undecidable manual S 355 83.8494 50 0.2 65
IV.GUMA.HHZ. 2018-09-25T02:52:48.40 0.6 undecidable manual S 16 81.0522 50 -0.16 44
IV.FDMO.HHZ. 2018-09-25T02:52:47.10 0.6 undecidable manual S 2 75.0693 50 0.15 44
IV.MF5.EHZ. 2018-09-25T02:52:47.80 0.6 undecidable manual S 25 76.8675 50 0.37 42
IV.CESI.HHZ. 2018-09-25T02:52:46.50 0.3 undecidable manual S 350 72.6717 50 0.2 66
IV.MOMA.HHZ. 2018-09-25T02:52:44.20 0.6 undecidable manual S 321 63.492 50 0.35 43
IV.SSFR.HHZ. 2018-09-25T02:52:44.56 0.6 undecidable manual P 349 121.4895 50 0.08 41
IV.CERA.HHZ. 2018-09-25T02:52:44.16 0.6 undecidable manual P 137 115.6953 50 0.57 37
IV.T0110.HHZ. 2018-09-25T02:52:43.20 0.3 undecidable manual S 104 60.495 50 0.14 69
IV.MURB.HHZ. 2018-09-25T02:52:43.08 0.6 undecidable manual P 337 109.2129 50 0.49 39
IV.MC2.EHZ. 2018-09-25T02:52:43.80 0.6 undecidable manual S 10 62.0934 50 0.33 44
IV.RCAV.EHZ. 2018-09-25T02:52:42.20 1.0 undecidable manual S 189 57.6978 50 -0.1 23
IV.MGAB.HHZ. 2018-09-25T02:52:41.41 0.6 undecidable manual P 309 98.7234 50 0.44 40
IV.TERO.HHZ. 2018-09-25T02:52:41.20 0.6 undecidable manual S 57 53.2023 50 0.1 47
IV.LPEL.HHZ. 2018-09-25T02:52:40.52 0.6 undecidable manual P 110 98.6235 50 -0.43 40
IV.TOLF.HHZ. 2018-09-25T02:52:40.63 0.3 undecidable manual P 250 93.0402 50 0.53 59
IV.LATB.EHZ. 2018-09-25T02:52:40.24 0.6 undecidable manual P 185 96.4257 50 -0.37 41
IV.NRCA.HHZ. 2018-09-25T02:52:40.90 0.3 undecidable manual S 5 52.7028 50 -0.08 70
IV.MNTP.HNZ. 2018-09-25T02:52:40.16 0.6 undecidable manual P 21 92.4408 50 0.16 43
IV.MTRA.EHZ. 2018-09-25T02:52:40.70 0.6 undecidable manual S 32 51.9036 50 -0.05 47
IV.CESX.HHZ. 2018-09-25T02:52:39.70 0.3 undecidable manual S 306 47.5191 50 0.1 71
IV.CERT.HHZ. 2018-09-25T02:52:39.40 0.6 undecidable manual S 188 46.0206 50 0.2 46
IV.GIUL.HHZ. 2018-09-25T02:52:39.24 0.6 undecidable manual P 170 90.3429 50 -0.44 40
IV.PTQR.HHZ. 2018-09-25T02:52:39.40 0.6 undecidable manual S 143 46.8198 50 0 48
IV.LRP.EHZ. 2018-09-25T02:52:39.57 0.6 undecidable manual P 151 90.243 50 -0.09 44
IV.POFI.HNZ. 2018-09-25T02:52:39.33 0.6 undecidable manual P 143 89.244 50 -0.18 43
IV.GUMA.HHZ. 2018-09-25T02:52:38.57 0.3 undecidable manual P 16 81.0522 50 0.32 63
IV.ASSB.HHZ. 2018-09-25T02:52:38.17 0.3 undecidable manual P 337 82.4508 50 -0.29 64
IV.GIGS.HHN. 2018-09-25T02:52:38.80 0.6 undecidable manual S 76 43.2234 50 0.35 45
IV.CSP1.EHZ. 2018-09-25T02:52:38.20 0.6 undecidable manual P 8 82.0512 50 -0.19 43
OB.GAVE.EHZ. 2018-09-25T02:52:38.37 3.0 undecidable manual S 0.91 0
IV.OFFI.HHZ. 2018-09-25T02:52:38.83 0.6 undecidable manual P 38 81.6516 50 0.49 41
IV.PF6.EHZ. 2018-09-25T02:52:38.77 0.6 undecidable manual P 7 86.9463 50 -0.39 41
IV.MF5.EHZ. 2018-09-25T02:52:38.06 0.1 negative manual P 25 76.8675 50 0.46 83
IV.MML1.EHZ. 2018-09-25T02:52:38.55 0.1 negative manual P 355 83.8494 50 -0.13 88
IV.FDMO.HHZ. 2018-09-25T02:52:37.16 0.1 negative manual P 2 75.0693 50 -0.16 89
IV.VIVA.HHZ. 2018-09-25T02:52:37.65 0.6 undecidable manual P 200 71.7726 50 0.84 36
IV.INTR.HNZ. 2018-09-25T02:52:37.67 0.6 undecidable manual P 119 79.4649 50 -0.33 42
IV.T1299.EHE. 2018-09-25T02:52:36.10 0.6 undecidable manual S 31 35.4423 50 -0.26 47
IV.CESI.HHZ. 2018-09-25T02:52:36.82 0.1 negative manual P 350 72.6717 50 -0.13 90
IV.SMA1.EHZ. 2018-09-25T02:52:36.70 1.0 undecidable manual S 37 37.5291 50 -0.22 23
IV.VVLD.HHZ. 2018-09-25T02:52:36.89 0.3 undecidable manual P 139 71.4729 50 0.12 67
IV.VCEL.EHZ. 2018-09-25T02:52:36.25 0.6 undecidable manual P 86 64.0914 50 0.62 40
IV.RDP.HHZ. 2018-09-25T02:52:36.91 1.0 undecidable manual P 204 72.4719 50 -0.02 23
IV.T0110.HHZ. 2018-09-25T02:52:35.16 0.3 undecidable manual P 104 60.495 50 0.08 69
IV.MC2.EHZ. 2018-09-25T02:52:35.29 0.6 undecidable manual P 10 62.0934 50 -0.03 47
IV.ARRO.EHZ. 2018-09-25T02:52:35.60 1.0 undecidable manual S 315 34.2435 50 -0.44 22
IV.MOMA.HHZ. 2018-09-25T02:52:35.50 0.3 undecidable manual P 321 63.492 50 -0.03 70
IV.RCAV.EHZ. 2018-09-25T02:52:34.63 0.6 undecidable manual P 189 57.6978 50 -0.01 47
IV.NRCA.HHZ. 2018-09-25T02:52:33.53 0.1 negative manual P 5 52.7028 50 -0.34 89
IV.LNSS.HHZ. 2018-09-25T02:52:33.70 0.3 undecidable manual S 357 26.9508 50 -0.41 69
IV.TERO.HHZ. 2018-09-25T02:52:33.76 0.3 undecidable manual P 57 53.2023 50 -0.19 69
IV.CESX.HHZ. 2018-09-25T02:52:33.02 0.1 undecidable manual P 306 47.5191 50 -0.06 95
IV.MTRA.EHZ. 2018-09-25T02:52:33.46 0.3 undecidable manual P 32 51.9036 50 -0.29 68
IV.PTQR.HHZ. 2018-09-25T02:52:32.59 0.3 undecidable manual P 143 46.8198 50 -0.38 67
IV.RM33.EHZ. 2018-09-25T02:52:32.20 0.3 undecidable manual S 37 20.7681 115 0.05 75
IV.CERT.HHZ. 2018-09-25T02:52:32.63 0.1 positive manual P 188 46.0206 50 -0.22 92
IV.GIGS.HHN. 2018-09-25T02:52:32.18 0.3 undecidable manual P 76 43.2234 50 -0.24 69
IV.SMA1.EHZ. 2018-09-25T02:52:31.59 0.1 negative manual P 37 37.5291 50 0.06 97
OB.GAVE.EHZ. 2018-09-25T02:52:31.77 3.0 undecidable manual P -0.11 0
IV.T1299.EHE. 2018-09-25T02:52:31.23 0.1 negative manual P 31 35.4423 50 0.02 98
IV.ARRO.EHZ. 2018-09-25T02:52:30.91 0.1 negative manual P 315 34.2435 50 -0.12 96
IV.LNSS.HHZ. 2018-09-25T02:52:29.64 0.1 negative manual P 357 26.9508 50 -0.27 94
IV.FIAM.HHZ. 2018-09-25T02:52:29.30 0.3 undecidable manual S 155 11.2776 131 -0.05 76
IV.RM33.EHZ. 2018-09-25T02:52:28.87 0.1 negative manual P 37 20.7681 115 0.09 99
IV.FIAM.HHZ. 2018-09-25T02:52:27.29 0.1 positive manual P 155 11.2776 131 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OB.GAVE.EHE. ML:2.8 0.0012166459 0.5408 AML other m 2018-09-25T02:52:38.73
IV.RM33.EHN. ML:0.0 0.0049299999999999995 0.3 AML other m 2018-09-25T02:52:32.97
IV.RM33.HNE. ML:0.0 0.008355 1.72 AML other m 2018-09-25T02:52:33.95
IV.RM33.EHE. ML:0.0 0.008435 1.72 AML other m 2018-09-25T02:52:33.96
IV.LNSS.HHE. ML:0.0 0.002415 0.28 AML other m 2018-09-25T02:52:34.33
IV.FIAM.HHE. ML:0.0 0.0012452200499999998 0.12 AML other m 2018-09-25T02:52:29.81
IV.LNSS.HHN. ML:0.0 0.0015879404999999999 0.4592 AML other m 2018-09-25T02:52:34.74
IV.ARRO.EHE. ML:0.0 0.0006553555 2.0592 AML other m 2018-09-25T02:52:37.07
IV.ARRO.EHN. ML:0.0 0.0008635054499999999 0.2192 AML other m 2018-09-25T02:52:36.70
IV.SMA1.EHN. ML:0.0 0.00118870995 0.4992 AML other m 2018-09-25T02:52:37.67
IV.SMA1.EHE. ML:0.0 0.0007950378 0.3392 AML other m 2018-09-25T02:52:38.72
IV.MTRA.HNE. ML:0.0 0.0006825 0.48 AML other m 2018-09-25T02:52:42.63
IV.MTRA.EHE. ML:0.0 0.0006225 0.46 AML other m 2018-09-25T02:52:42.63
IV.CESX.HHN. ML:0.0 0.0004275 0.54 AML other m 2018-09-25T02:52:43.94
IV.NRCA.HHN. ML:0.0 0.0004345 0.12 AML other m 2018-09-25T02:52:43.77
IV.CERT.HHN. ML:0.0 0.000080000765 0.1392 AML other m 2018-09-25T02:52:40.74
IV.NRCA.HHE. ML:0.0 0.000551 0.14 AML other m 2018-09-25T02:52:44.79
IV.TERO.HHE. ML:0.0 0.0001849327 0.2192 AML other m 2018-09-25T02:52:41.92
IV.CESX.HHE. ML:0.0 0.000045336845 0.12 AML other m 2018-09-25T02:52:40.80
IV.CERT.HHE. ML:0.0 0.000347563 0.52 AML other m 2018-09-25T02:52:40.92
IV.MOMA.HHN. ML:0.0 0.000427 0.36 AML other m 2018-09-25T02:52:46.93
IV.MTRA.HNN. ML:0.0 0.00006541148 0 AML other m 2018-09-25T02:52:40.80
IV.MTRA.EHN. ML:0.0 0.50004706425 0.1184 AML other m 2018-09-25T02:52:40.73
IV.CESI.HHE. ML:0.0 0.000314 1.78 AML other m 2018-09-25T02:52:48.89
IV.CESI.HHN. ML:0.0 0.0005875 0.3 AML other m 2018-09-25T02:52:49.15
IV.TERO.HHN. ML:0.0 0.00018240390000000002 0.6 AML other m 2018-09-25T02:52:42.93
IV.FDMO.HHE. ML:0.0 0.000272 0.2 AML other m 2018-09-25T02:52:49.57
IV.FDMO.HHN. ML:0.0 0.00019600000000000002 0.22 AML other m 2018-09-25T02:52:49.57
IV.MF5.EHE. ML:0.0 0.00030769425 0.5184 AML other m 2018-09-25T02:52:49.91
IV.T0110.HHE. ML:0.0 0.00037340070000000004 1.16 AML other m 2018-09-25T02:52:47.84
IV.T0110.HHN. ML:0.0 0.00024282535 0.32 AML other m 2018-09-25T02:52:44.21
IV.MOMA.HHE. ML:0.0 0.0003442758 1.92 AML other m 2018-09-25T02:52:47.25
IV.MF5.EHN. ML:0.0 0.0003509044 3.1008 AML other m 2018-09-25T02:52:49.80
IV.VVLD.HHN. ML:2.1 0.000192 0.42 AML other m 2018-09-25T02:52:59.46
IV.MGAB.HHN. ML:0.0 0.00015350000000000002 0.42 AML other m 2018-09-25T02:52:59.74
IV.MGAB.HHE. ML:0.0 0.00020899999999999998 0.48 AML other m 2018-09-25T02:52:59.99
IV.MGAB.HNE. ML:0.0 0.00021 0.48 AML other m 2018-09-25T02:52:59.75
IV.MGAB.HNN. ML:0.0 0.0001635 0.96 AML other m 2018-09-25T02:53:01.87
IV.MURB.HHE. ML:2.8 0.000509 0.8 AML other m 2018-09-25T02:53:03.49
IV.VVLD.HHE. ML:2.0 0.00017649999999999998 0.86 AML other m 2018-09-25T02:53:04.99
IV.SSFR.HHE. ML:2.4 0.000165 0.42 AML other m 2018-09-25T02:53:06.18
IV.MURB.HHN. ML:2.7 0.00040649999999999996 0.48 AML other m 2018-09-25T02:53:09.89
IV.CERA.HHN. ML:2.3 0.000164 1.24 AML other m 2018-09-25T02:53:11.35
IV.SSFR.HHN. ML:2.3 0.00015065 1.28 AML other m 2018-09-25T02:53:12.21
IV.CERA.HHE. ML:2.4 0.0001805 0.58 AML other m 2018-09-25T02:53:17.09
IV.MURB.HNN. ML:3.0 0.0009775 1.28 AML other m 2018-09-25T02:53:18.66
IV.MURB.HNE. ML:3.3 0.001635 0.82 AML other m 2018-09-25T02:53:19.94
IV.FIAM.HHN. ML:2.6 0.0054641444999999995 0.4384 AML other m 2018-09-25T02:52:29.96
IV.RM33.HNN. ML:2.8 0.005225 0.32 AML other m 2018-09-25T02:52:32.97
IV.PTQR.HHE. ML:0.0 0.000058480235000000005 0.08 AML other m 2018-09-25T02:52:38.96
IV.PTQR.HHN. ML:0.0 0.000055373765 0.08 AML other m 2018-09-25T02:52:38.99
IV.MOMA.HNE. ML:2.2 0.0002898789 2.3808 AML other m 2018-09-25T02:52:47.26
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
Waveforms Seismic signals in miniseed + resp format Download