Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 26-05-2019 and time 20:22:01 (UTC) in region 4 km N Otricoli (TR)

A magnitude ML 1.7 earthquake occured in region: 4 km N Otricoli (TR), on

  • 26-05-2019 20:22:01 (UTC)
  • 26-05-2019 22:22:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4640, 12.4750 at 8 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
Otricoli TR 5 1869 1869
Narni TR 7 19785 21654
Orte VT 7 8923 30577
Penna in Teverina TR 10 1099 31676
Calvi dell'Umbria TR 10 1856 33532
Magliano Sabina RI 11 3774 37306
Gallese VT 12 2849 40155
Vasanello VT 12 4068 44223
Amelia TR 12 11897 56120
Giove TR 13 1928 58048
Bassano in Teverina VT 14 1313 59361
Configni RI 15 633 59994
Montebuono RI 15 883 60877
Tarano RI 16 1444 62321
Collevecchio RI 16 1577 63898
Vacone RI 16 256 64154
Stroncone TR 16 4917 69071
Attigliano TR 16 2028 71099
Corchiano VT 16 3869 74968
Lugnano in Teverina TR 17 1494 76462
San Gemini TR 18 5018 81480
Terni TR 18 111501 192981
Torri in Sabina RI 18 1256 194237
Vignanello VT 18 4652 198889
Cottanello RI 19 563 199452
Bomarzo VT 19 1805 201257
Montasola RI 19 395 201652
Vallerano VT 19 2621 204273
Stimigliano RI 20 2328 206601
Civita Castellana VT 20 16491 223092

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km SW of Terni (111501 inhabitants)
31 Km E of Viterbo (67173 inhabitants)
56 Km NW of Guidonia Montecelio (88673 inhabitants)
58 Km SW of Foligno (57155 inhabitants)
62 Km NW of Tivoli (56533 inhabitants)
63 Km N of Roma (2864731 inhabitants)
70 Km NE of Civitavecchia (52991 inhabitants)
72 Km S of Perugia (166134 inhabitants)
77 Km W of L'Aquila (69753 inhabitants)
79 Km N of Fiumicino (78395 inhabitants)
88 Km N of Pomezia (62966 inhabitants)
90 Km N of Velletri (53303 inhabitants)
98 Km N of Aprilia (73446 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 1.7 2019-05-26
20:22:01		 42.4643 12.4752 8 2019-11-13
14:30:51		 Bollettino Sismico Italiano INGV 69221511
Reviewed
Rev100 		ML 1.7 2019-05-26
20:22:01		 42.4582 12.475 8 2019-05-26
20:36:50		 Sala Sismica INGV-Roma 68930811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-05-26 20:22:01 ± 0.07
Latitude 42.4643 ± 0.0027
Longitude 12.4752 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 69221511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 299
Semi-minor axis of confidence ellipse (meter) 123
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 316
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 42
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.82468
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 36
Type of magnitude ML
Reference to an origin 68930811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-05-26 20:36:50

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 69221511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-05 10:49:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOCL.EHZ. 2019-05-26T20:22:56.25 3.0 undecidable manual Sn 0.19 0
IT.VNF1.HGZ. 2019-05-26T20:22:28.95 3.0 negative manual P 0.59 0
IV.FDMO.HHZ. 2019-05-26T20:22:26.30 0.6 undecidable manual S 38 80.7636 50 0.6 40
IV.MCIV.CHE. 2019-05-26T20:22:24.71 3.0 undecidable manual S 298 74.0703 0.73 0
IV.CESI.HHZ. 2019-05-26T20:22:23.30 0.6 undecidable manual S 30 69.4749 50 0.61 40
IV.CERT.HHZ. 2019-05-26T20:22:23.60 0.3 undecidable manual S 144 70.6737 50 0.58 61
IV.SACS.HHZ. 2019-05-26T20:22:21.30 1.0 undecidable manual S 313 62.8926 50 0.37 22
IV.NRCA.HHZ. 2019-05-26T20:22:21.80 0.6 undecidable manual S 52 66.2781 50 -0.05 47
IV.TOLF.HHZ. 2019-05-26T20:22:20.30 0.3 undecidable manual S 221 59.0964 50 0.37 66
IV.RM33.EHZ. 2019-05-26T20:22:20.60 0.3 undecidable manual S 85 60.6948 50 0.25 68
IV.FIAM.HHZ. 2019-05-26T20:22:19.30 0.6 undecidable manual S 112 56.8986 50 -0.05 47
IV.MGAB.HHZ. 2019-05-26T20:22:19.60 0.6 undecidable manual S 329 57.8976 50 0 48
IV.LATE.HHZ. 2019-05-26T20:22:19.50 0.3 undecidable manual S 287 57.2982 50 0.05 71
IV.MTCE.HHE. 2019-05-26T20:22:18.50 0.3 undecidable manual S 156 53.7018 50 0.03 72
IV.LNSS.HHZ. 2019-05-26T20:22:17.00 0.3 undecidable manual S 71 48.7179 50 -0.15 71
TV.SF01.EHE. 2019-05-26T20:22:16.19 1.0 undecidable manual P 298 83.8494 50 0.42 21
IV.CSP1.EHZ. 2019-05-26T20:22:16.58 1.0 undecidable manual P 40 91.5417 50 -0.38 21
IV.GAVE.EHZ. 2019-05-26T20:22:15.50 0.6 undecidable manual S 53 42.5241 50 -0.01 49
IV.FDMO.HHZ. 2019-05-26T20:22:15.12 0.3 undecidable manual P 38 80.7636 50 -0.17 66
IV.BARO.EHZ. 2019-05-26T20:22:15.40 1.0 undecidable manual S 236 42.2244 50 -0.03 25
IV.ATTE.HHZ. 2019-05-26T20:22:15.80 0.3 undecidable manual P 353 81.9513 50 0.31 64
IT.MCIV.CHZ. 2019-05-26T20:22:14.80 3.0 undecidable manual P 298 74.0703 0
IT.GNU.HGE. 2019-05-26T20:22:14.20 0.6 undecidable manual S 12 38.4282 50 -0.21 48
TV.SF14.HHE. 2019-05-26T20:22:14.38 0.1 undecidable manual P 295 77.2671 50 -0.38 85
IV.MOMA.HHZ. 2019-05-26T20:22:14.10 0.6 undecidable manual S 12 38.4282 50 -0.31 46
IV.CERT.HHZ. 2019-05-26T20:22:13.54 0.1 undecidable manual P 144 70.6737 50 -0.21 90
IV.CESI.HHZ. 2019-05-26T20:22:13.56 0.1 undecidable manual P 30 69.4749 50 0.01 93
IT.MMP1.HGE. 2019-05-26T20:22:13.30 1.0 undecidable manual S 137 32.745 104 0.52 22
IV.NRCA.HHZ. 2019-05-26T20:22:12.90 0.1 undecidable manual P 52 66.2781 50 -0.17 91
IV.SACS.HHZ. 2019-05-26T20:22:12.83 0.3 undecidable manual P 313 62.8926 50 0.29 67
IV.RM33.EHZ. 2019-05-26T20:22:12.17 0.1 undecidable manual P 85 60.6948 50 -0.03 95
IV.MGAB.HHZ. 2019-05-26T20:22:11.66 0.1 undecidable manual P 329 57.8976 50 -0.11 94
IV.LATE.HHZ. 2019-05-26T20:22:11.77 0.3 undecidable manual P 287 57.2982 50 0.09 71
IV.FIAM.HHZ. 2019-05-26T20:22:11.32 0.1 undecidable manual P 112 56.8986 50 -0.3 90
IV.TOLF.HHZ. 2019-05-26T20:22:11.90 0.1 undecidable manual P 221 59.0964 50 -0.06 94
IV.LNSS.HHZ. 2019-05-26T20:22:10.12 0.1 undecidable manual P 71 48.7179 50 -0.23 93
IV.MTCE.HHE. 2019-05-26T20:22:10.91 0.1 undecidable manual P 156 53.7018 50 -0.21 92
IV.GAVE.EHZ. 2019-05-26T20:22:09.69 0.3 undecidable manual P 53 42.5241 50 0.28 70
IV.BARO.EHZ. 2019-05-26T20:22:09.31 0.3 undecidable manual P 236 42.2244 50 -0.05 73
IT.GNU.HGE. 2019-05-26T20:22:08.52 0.6 undecidable manual P 12 38.4282 50 -0.25 47
IV.MOMA.HHZ. 2019-05-26T20:22:08.50 0.3 undecidable manual P 12 38.4282 50 -0.28 70
IV.CESX.HHZ. 2019-05-26T20:22:08.30 0.6 undecidable manual S 30 18.3705 114 0.22 49
IT.MMP1.HGE. 2019-05-26T20:22:07.68 0.3 undecidable manual P 137 32.745 104 -0.15 73
IT.TRN1.HGZ. 2019-05-26T20:22:07.70 0.6 undecidable manual S 53 17.4714 115 -0.06 51
IV.CESX.HHZ. 2019-05-26T20:22:05.29 0.1 undecidable manual P 30 18.3705 114 0.17 99
IT.TRN1.HGZ. 2019-05-26T20:22:05.08 0.1 undecidable manual P 53 17.4714 115 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHN. ML:0.0 0.00027862145 0.1792 AML other m 2019-05-26T20:22:09.47
IV.CESX.HHE. ML:0.0 0.00026133245 0.2176 AML other m 2019-05-26T20:22:10.44
IV.BARO.EHE. ML:3.0 0.003067596 0.7264 AML other m 2019-05-26T20:22:15.33
IV.MOMA.HHE. ML:0.0 0.0002775785 0.2432 AML other m 2019-05-26T20:22:15.82
IV.MOMA.HNE. ML:0.0 0.00024901325 0.2176 AML other m 2019-05-26T20:22:15.83
IV.BARO.HNE. ML:0.0 0.000107350525 0.3456 AML other m 2019-05-26T20:22:15.93
IV.BARO.EHN. ML:2.9 0.0025766410000000006 0.9952 AML other m 2019-05-26T20:22:16.75
IV.GAVE.HNE. ML:0.0 0.00023238945 0.1664 AML other m 2019-05-26T20:22:17.00
IV.GAVE.EHE. ML:0.0 0.00022299255 0.1664 AML other m 2019-05-26T20:22:17.01
IV.GAVE.EHN. ML:0.0 0.0001844702 0.256 AML other m 2019-05-26T20:22:17.02
IV.MOMA.HHN. ML:0.0 0.00026242415000000003 0.2048 AML other m 2019-05-26T20:22:17.29
IV.MOMA.HNN. ML:0.0 0.00024850349999999997 0.2048 AML other m 2019-05-26T20:22:17.20
IV.BARO.HNN. ML:0.0 0.00016771809999999998 0.384 AML other m 2019-05-26T20:22:18.68
IV.LNSS.HHE. ML:0.0 0.00027566295000000003 0.1664 AML other m 2019-05-26T20:22:18.61
IV.LNSS.HNE. ML:0.0 0.0002613839 0.192 AML other m 2019-05-26T20:22:18.88
IV.LNSS.HHN. ML:0.0 0.00022812254999999998 0.2048 AML other m 2019-05-26T20:22:19.16
IV.LNSS.HNN. ML:0.0 0.00021372724999999999 0.192 AML other m 2019-05-26T20:22:19.16
IV.LATE.HHE. ML:0.0 0.00013332678000000002 0.2432 AML other m 2019-05-26T20:22:21.01
IV.FIAM.HHN. ML:0.0 0.0000231169 0.2176 AML other m 2019-05-26T20:22:21.08
IV.TOLF.HHE. ML:0.0 0.000057172899999999996 0.2048 AML other m 2019-05-26T20:22:21.36
IV.MGAB.HNN. ML:0.0 0.00011708856499999999 0.192 AML other m 2019-05-26T20:22:21.88
IV.LATE.HHN. ML:0.0 0.00026358035000000003 0.2816 AML other m 2019-05-26T20:22:22.20
IV.MGAB.HNE. ML:0.0 0.00012095059999999999 0.4608 AML other m 2019-05-26T20:22:24.65
IV.MGAB.HHE. ML:0.0 0.00012662075000000002 0.4352 AML other m 2019-05-26T20:22:24.65
IV.FIAM.HHE. ML:0.0 0.000017620543499999997 0.2816 AML other m 2019-05-26T20:22:22.54
IV.RM33.EHE. ML:0.0 0.000078563515 0.2176 AML other m 2019-05-26T20:22:22.39
IV.MGAB.HHN. ML:0.0 0.000121576375 0.2688 AML other m 2019-05-26T20:22:22.64
IV.SACS.HHN. ML:0.0 0.00003493308 0.2176 AML other m 2019-05-26T20:22:22.70
IV.RM33.EHN. ML:0.0 0.0000581923 0.2816 AML other m 2019-05-26T20:22:25.68
IV.SACS.HHE. ML:0.0 0.00004836367 0.192 AML other m 2019-05-26T20:22:23.95
IV.CESI.HHN. ML:0.0 0.00010583286 0.2432 AML other m 2019-05-26T20:22:24.36
IV.CERT.HHN. ML:0.0 0.000048640415 0.1152 AML other m 2019-05-26T20:22:24.60
IV.NRCA.HNE. ML:1.9 0.0001458373 0.192 AML other m 2019-05-26T20:22:24.59
IV.NRCA.HHE. ML:0.0 0.00013899075 0.1792 AML other m 2019-05-26T20:22:24.59
IV.NRCA.HHN. ML:0.0 0.00007124178 0.1792 AML other m 2019-05-26T20:22:24.72
IV.NRCA.HNN. ML:1.7 0.000082782385 0.1536 AML other m 2019-05-26T20:22:24.78
IV.CESI.HHE. ML:0.0 0.000045577585 0.256 AML other m 2019-05-26T20:22:25.26
IV.CERT.HHE. ML:0.0 0.00007152668 0.2176 AML other m 2019-05-26T20:22:25.64
IV.FDMO.HHE. ML:0.0 0.000055920075 0.2304 AML other m 2019-05-26T20:22:27.74
IV.FDMO.HHN. ML:0.0 0.000046724459999999993 0.2048 AML other m 2019-05-26T20:22:28.51
IV.ATTE.HHN. ML:0.0 0.00004203898 0.2304 AML other m 2019-05-26T20:22:31.33
IV.ATTE.HHE. ML:0.0 0.00004127666 0.2432 AML other m 2019-05-26T20:22:31.48
IV.GAVE.HNN. ML:1.8 0.00018565838 0.7808 AML other m 2019-05-26T20:22:27.18
IV.RM33.HNE. ML:1.8 0.000124812265 0.6016 AML other m 2019-05-26T20:22:25.49
IV.RM33.HNN. ML:1.8 0.00013396194999999999 0.6656 AML other m 2019-05-26T20:22:33.79
IV.SACS.HNE. ML:1.8 0.00011486020499999999 0.64 AML other m 2019-05-26T20:22:38.53
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