Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 19-05-2018 and time 07:37:47 (Italy) in region 5 km N Accumoli (RI)

A magnitude ML 1.9 earthquake occured in region: 5 km N Accumoli (RI), on

  • 19-05-2018 05:37:47 (UTC)
  • 19-05-2018 07:37:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7430, 13.2470 at 11 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
Accumoli RI 5 667 667
Arquata del Tronto AP 5 1178 1845
Amatrice RI 13 2657 4502
Montegallo AP 13 523 5025
Acquasanta Terme AP 14 2916 7941
Norcia PG 14 4957 12898
Cittareale RI 16 482 13380
Castelsantangelo sul Nera MC 19 281 13661
Montemonaco AP 19 604 14265
Cascia PG 19 3217 17482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of Teramo (54892 inhabitants)
45 Km N of L'Aquila (69753 inhabitants)
50 Km E of Foligno (57155 inhabitants)
53 Km E of Terni (111501 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
81 Km SE of Perugia (166134 inhabitants)
85 Km W of Pescara (121014 inhabitants)
87 Km NW of Chieti (51815 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km NE of Tivoli (56533 inhabitants)
100 Km S of Ancona (100861 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 1.9 2018-05-19
05:37:47		 42.7427 13.2472 11 2019-04-24
14:50:59		 Bollettino Sismico Italiano INGV 64526911
Reviewed
Rev100 		ML 2.0 2018-05-19
05:37:47		 42.7398 13.2463 10 2018-05-19
05:43:45		 Sala Sismica INGV-Roma 57001991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-19 05:37:47 ± 0.05
Latitude 42.7427 ± 0.0018
Longitude 13.2472 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64526911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 336
Semi-minor axis of confidence ellipse (meter) 125
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47
Number of associated phases, regardless of their use for origin computation 69
Number of defining phases 56
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64391
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 64526911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-05 17:33:54

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 58
Type of magnitude ML
Reference to an origin 57001991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-19 05:43:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IMOL.HNZ. 2018-05-19T05:38:46.88 3.0 undecidable manual Sn 0.91 0
IV.ZCCA.HHZ. 2018-05-19T05:38:29.51 3.0 negative manual Pg 4.4 0
IV.PAOL.HNZ. 2018-05-19T05:38:18.13 3.0 undecidable manual Pn -2.43 0
IV.MODR.HHZ. 2018-05-19T05:38:14.94 3.0 undecidable manual Pn -1.35 0
IV.ATCC.EHZ. 2018-05-19T05:38:09.21 0.6 undecidable manual S 315 69.5748 50 0.63 39
IV.SAMA.HHZ. 2018-05-19T05:38:09.03 3.0 positive manual P 0.8 0
IV.T0110.HHZ. 2018-05-19T05:38:09.72 0.3 undecidable manual S 143 71.4729 50 0.62 58
IV.VCEL.EHZ. 2018-05-19T05:38:07.25 0.6 undecidable manual S 128 61.9935 50 0.7 38
IV.ASSB.HHZ. 2018-05-19T05:38:06.04 3.0 undecidable manual S -0.73 0
IV.FAGN.HHZ. 2018-05-19T05:38:06.40 0.6 undecidable manual S 152 59.5959 50 0.47 42
IV.FIAM.HHZ. 2018-05-19T05:38:04.37 0.3 undecidable manual S 191 53.7018 50 0.03 70
IV.MML1.HNZ. 2018-05-19T05:38:02.60 0.3 undecidable manual S 332 46.8198 50 0.09 70
IV.ARRO.EHZ. 2018-05-19T05:38:02.01 0.3 undecidable manual S 245 43.2234 50 0.46 65
IV.PF6.EHZ. 2018-05-19T05:38:01.74 0.6 undecidable manual S 354 44.0226 50 -0.03 47
IV.CSP1.EHZ. 2018-05-19T05:38:00.31 0.3 undecidable manual S 355 38.9277 50 -0.08 71
IV.CESI.HHZ. 2018-05-19T05:38:00.76 0.3 undecidable manual S 316 40.2264 50 0 72
IV.GIGS.HHZ. 2018-05-19T05:38:00.68 0.3 undecidable manual S 140 41.7249 50 -0.46 65
IV.GUMA.HHZ. 2018-05-19T05:38:00.31 0.3 undecidable manual S 11 36.2415 50 0.63 62
IV.T1219.HNZ. 2018-05-19T05:38:00.52 0.3 undecidable manual S 331 39.9267 50 -0.15 70
IV.MF5.EHZ. 2018-05-19T05:37:59.24 0.3 undecidable manual S 32 32.2455 50 0.63 63
IV.T0110.HHZ. 2018-05-19T05:37:59.88 0.3 undecidable manual P 143 71.4729 50 -0.07 67
IV.T1221.EHZ. 2018-05-19T05:37:59.59 0.3 undecidable manual S 292 35.1426 50 0.21 70
IV.ATCC.EHZ. 2018-05-19T05:37:59.66 0.3 undecidable manual P 315 69.5748 50 0.01 68
IV.T1247.HHZ. 2018-05-19T05:37:59.13 0.3 undecidable manual S 173 33.6441 50 0.14 71
IV.CING.HHZ. 2018-05-19T05:37:59.65 3.0 negative manual P -0.64 0
IV.FDMO.HHZ. 2018-05-19T05:37:59.21 0.3 undecidable manual S 338 35.1426 50 -0.17 70
IV.FAGN.HHZ. 2018-05-19T05:37:58.41 0.3 positive manual P 152 59.5959 50 0.29 65
OB.GAVE.EHZ. 2018-05-19T05:37:58.45 3.0 undecidable manual S 0.57 0
IV.VCEL.EHZ. 2018-05-19T05:37:58.47 0.3 negative manual P 128 61.9935 50 -0.01 69
IV.TERO.HHZ. 2018-05-19T05:37:58.13 0.3 undecidable manual S 114 31.9458 50 -0.42 67
IV.EL6.EHZ. 2018-05-19T05:37:58.99 3.0 positive manual P -0.6 0
IV.ASSB.HHZ. 2018-05-19T05:37:57.65 3.0 negative manual P -0.61 0
IV.FIAM.HHZ. 2018-05-19T05:37:57.00 0.3 undecidable manual P 191 53.7018 50 -0.2 67
IV.MOMA.HHZ. 2018-05-19T05:37:57.44 3.0 positive manual P -0.36 0
IV.FEMA.HNZ. 2018-05-19T05:37:57.57 0.3 undecidable manual S 327 29.1486 50 -0.22 70
IV.RM33.EHZ. 2018-05-19T05:37:56.94 0.3 undecidable manual S 186 26.0517 50 -0.02 74
IV.MNTP.HNZ. 2018-05-19T05:37:56.56 0.6 undecidable manual P 22 47.3193 50 0.34 44
IV.LNSS.HHZ. 2018-05-19T05:37:56.27 0.3 undecidable manual S 227 22.8549 50 0.15 72
IV.MML1.HNZ. 2018-05-19T05:37:56.00 0.3 undecidable manual P 332 46.8198 50 -0.14 69
IV.CAMP.HHZ. 2018-05-19T05:37:56.63 0.3 undecidable manual S 150 26.4513 50 -0.44 67
IV.ARRO.EHZ. 2018-05-19T05:37:55.55 0.3 positive manual P 245 43.2234 50 -0.04 71
IV.MC2.EHZ. 2018-05-19T05:37:55.16 0.3 undecidable manual S 346 19.2696 119 0.07 74
IV.OFFI.HHZ. 2018-05-19T05:37:55.94 0.6 undecidable manual P 59 41.5251 50 0.61 41
IV.PF6.EHZ. 2018-05-19T05:37:55.36 0.1 undecidable manual P 354 44.0226 50 -0.35 89
IV.T1247.HHZ. 2018-05-19T05:37:54.09 0.3 undecidable manual P 173 33.6441 50 -0.02 73
IV.GIGS.HHZ. 2018-05-19T05:37:54.90 0.3 undecidable manual P 140 41.7249 50 -0.45 65
IV.MMO1.EHZ. 2018-05-19T05:37:54.70 0.3 undecidable manual S 20 18.5703 120 -0.16 72
IV.FDMO.HHZ. 2018-05-19T05:37:54.03 0.1 negative manual P 338 35.1426 50 -0.3 91
IV.GUMA.HHZ. 2018-05-19T05:37:54.59 0.1 negative manual P 11 36.2415 50 0.08 95
IV.T1219.HNZ. 2018-05-19T05:37:54.79 0.3 undecidable manual P 331 39.9267 50 -0.29 68
IV.MF5.EHZ. 2018-05-19T05:37:54.09 0.1 undecidable manual P 32 32.2455 50 0.2 94
IV.CSP1.EHZ. 2018-05-19T05:37:54.67 0.1 negative manual P 355 38.9277 50 -0.25 92
IV.T1221.EHZ. 2018-05-19T05:37:54.19 0.3 undecidable manual P 292 35.1426 50 -0.14 71
IV.CESI.HHZ. 2018-05-19T05:37:54.95 0.1 positive manual P 316 40.2264 50 -0.18 93
IV.TERO.HHZ. 2018-05-19T05:37:53.44 0.1 positive manual P 114 31.9458 50 -0.42 89
IV.FEMA.HNZ. 2018-05-19T05:37:53.31 0.3 undecidable manual P 327 29.1486 50 -0.11 72
IV.MTRA.HNZ. 2018-05-19T05:37:53.12 0.1 undecidable manual S 83 12.2766 131 0.05 100
IV.NRCA.HNZ. 2018-05-19T05:37:53.78 0.3 undecidable manual S 313 14.7741 126 0.02 75
OB.GAVE.EHZ. 2018-05-19T05:37:53.36 3.0 positive manual P -0.12 0
IV.SMA1.EHZ. 2018-05-19T05:37:53.76 0.3 undecidable manual S 150 14.3745 126 0.12 74
IV.LNSS.HHZ. 2018-05-19T05:37:52.51 0.1 undecidable manual P 227 22.8549 50 0.05 98
IV.CAMP.HHZ. 2018-05-19T05:37:52.76 0.1 undecidable manual P 150 26.4513 50 -0.25 94
IV.RM33.EHZ. 2018-05-19T05:37:52.87 0.3 positive manual P 186 26.0517 50 -0.07 73
IV.NRCA.HNZ. 2018-05-19T05:37:51.20 0.1 positive manual P 313 14.7741 126 0.11 98
IV.SMA1.EHZ. 2018-05-19T05:37:51.20 0.1 negative manual P 150 14.3745 126 0.18 97
IV.MMO1.EHZ. 2018-05-19T05:37:51.64 0.1 undecidable manual P 20 18.5703 120 -0.09 98
IV.MC2.EHZ. 2018-05-19T05:37:51.89 0.1 negative manual P 346 19.2696 119 0.03 99
IV.MTRA.HNZ. 2018-05-19T05:37:50.82 0.1 positive manual P 83 12.2766 131 0.12 98
IV.T1299.EHZ. 2018-05-19T05:37:48.90 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.8 0.000628 1.74 AML other m 2018-05-19T05:37:53.89
IV.SMA1.EHE. ML:1.6 0.000437 0.22 AML other m 2018-05-19T05:37:54.74
IV.RM33.EHN. ML:1.9 0.00045999999999999996 0.26 AML other m 2018-05-19T05:37:57.16
IV.RM33.EHE. ML:1.9 0.000431 0.58 AML other m 2018-05-19T05:37:57.36
IV.TERO.HHE. ML:1.9 0.000386 0.6 AML other m 2018-05-19T05:37:58.16
IV.TERO.HHN. ML:2.0 0.000453 0.52 AML other m 2018-05-19T05:37:58.48
IV.MOMA.HNN. ML:2.2 0.000379 1.18 AML other m 2018-05-19T05:37:59.77
IV.FDMO.HHE. ML:1.8 0.0002705 0.32 AML other m 2018-05-19T05:37:59.79
IV.FDMO.HHN. ML:1.8 0.00028500000000000004 0.36 AML other m 2018-05-19T05:37:59.46
IV.CESI.HHN. ML:2.2 0.000474 0.52 AML other m 2018-05-19T05:38:01.09
IV.CESI.HHE. ML:1.9 0.0002825 0.32 AML other m 2018-05-19T05:38:01.49
IV.ARRO.EHE. ML:1.8 0.0002185 0.18 AML other m 2018-05-19T05:38:03.20
IV.ARRO.EHN. ML:1.7 0.000164 0.16 AML other m 2018-05-19T05:38:03.32
IV.OFFI.HHN. ML:2.2 0.0005935 1.22 AML other m 2018-05-19T05:38:03.07
IV.FIAM.HHE. ML:1.7 0.0001255 0.22 AML other m 2018-05-19T05:38:04.82
IV.FIAM.HHN. ML:1.6 0.0000981 1.14 AML other m 2018-05-19T05:38:05.76
IV.OFFI.HHE. ML:2.3 0.0006039999999999999 0.42 AML other m 2018-05-19T05:38:05.84
IV.MOMA.HHN. ML:1.8 0.00015099999999999998 0.22 AML other m 2018-05-19T05:38:06.96
IV.MOMA.HHE. ML:2.0 0.00021550000000000003 0.2 AML other m 2018-05-19T05:38:07.27
IV.ASSB.HHN. ML:1.7 0.000107 0.28 AML other m 2018-05-19T05:38:07.74
IV.ASSB.HHE. ML:1.7 0.00011649999999999999 0.44 AML other m 2018-05-19T05:38:08.27
IV.VCEL.EHE. ML:1.9 0.000144 0.44 AML other m 2018-05-19T05:38:08.27
IV.VCEL.EHN. ML:2.0 0.00017449999999999999 0.9 AML other m 2018-05-19T05:38:08.14
IV.FAGN.HHN. ML:1.7 0.00009425 0.38 AML other m 2018-05-19T05:38:09.49
IV.ATCC.EHE. ML:1.7 0.00008690000000000001 0.22 AML other m 2018-05-19T05:38:10.26
IV.ATCC.EHN. ML:1.7 0.0000877 0.3 AML other m 2018-05-19T05:38:10.68
IV.FAGN.HHE. ML:1.8 0.00011599999999999999 1.66 AML other m 2018-05-19T05:38:10.02
IV.T0110.HHE. ML:1.8 0.00010135 1.48 AML other m 2018-05-19T05:38:10.19
IV.T0110.HHN. ML:1.8 0.00010214999999999999 1.54 AML other m 2018-05-19T05:38:14.10
IV.MOMA.HNE. ML:2.2 0.00033600000000000004 0.6 AML other m 2018-05-19T05:38:15.96
IV.EL6.EHN. ML:2.1 0.00022549999999999998 1.58 AML other m 2018-05-19T05:38:23.97
IV.EL6.EHE. ML:2.4 0.0005150000000000002 0.42 AML other m 2018-05-19T05:38:25.57
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