Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 16-05-2018 and time 19:39:00 (Italy) in region 7 km W Arquata del Tronto (AP)

A magnitude ML 2.2 earthquake occured in region: 7 km W Arquata del Tronto (AP), on

  • 16-05-2018 17:39:00 (UTC)
  • 16-05-2018 19:39:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8020, 13.2150 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
Arquata del Tronto AP 8 1178 1178
Norcia PG 10 4957 6135
Montegallo AP 11 523 6658
Castelsantangelo sul Nera MC 12 281 6939
Accumoli RI 12 667 7606
Montemonaco AP 14 604 8210
Acquasanta Terme AP 16 2916 11126
Preci PG 17 724 11850
Ussita MC 17 444 12294
Visso MC 18 1107 13401
Cascia PG 19 3217 16618
Montefortino FM 19 1178 17796
Amatrice RI 20 2657 20453

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
45 Km E of Foligno (57155 inhabitants)
52 Km N of L'Aquila (69753 inhabitants)
54 Km NE of Terni (111501 inhabitants)
75 Km E of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
90 Km W of Pescara (121014 inhabitants)
93 Km NW of Chieti (51815 inhabitants)
94 Km S of Ancona (100861 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km NE of Tivoli (56533 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 2.2 2018-05-16
17:39:00		 42.8017 13.2148 10 2019-04-24
14:50:44		 Bollettino Sismico Italiano INGV 57732021
Reviewed
Rev100 		ML 2.1 2018-05-16
17:39:00		 42.8038 13.2128 10 2018-05-16
17:50:33		 Sala Sismica INGV-Roma 56928741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-16 17:39:00 ± 0.05
Latitude 42.8017 ± 0.0027
Longitude 13.2148 ± 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 57732021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 362
Semi-minor axis of confidence ellipse (meter) 112
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) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 40
Number of associated phases, regardless of their use for origin computation 73
Number of defining phases 73
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.08004
Epicentral distance of station farthest from the epicenter (degree) 1.16013
Number of stations at which the event was observed 48
Number of stations from which data was used for origin computation 48
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.4
Num. used stations 26
Type of magnitude ML
Reference to an origin 57732021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-06-11 14:21:29

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 56
Type of magnitude ML
Reference to an origin 56928741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-16 17:50:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TOLF.HHN. 2018-05-16T17:39:21.83 0.6 undecidable manual P 231 128.7711 50 0.28 38
IV.FOSV.EHZ. 2018-05-16T17:39:21.10 0.6 undecidable manual S 326 65.8896 50 0.68 38
IV.CAFI.HNN. 2018-05-16T17:39:20.51 0.6 undecidable manual P 300 116.8941 50 0.8 33
IV.ATCC.EHZ. 2018-05-16T17:39:20.31 0.6 undecidable manual S 313 63.0924 50 0.63 39
IV.CING.HHZ. 2018-05-16T17:39:20.56 0.6 undecidable manual S 359 63.6918 50 0.74 38
IV.EL6.EHZ. 2018-05-16T17:39:19.20 0.6 undecidable manual S 351 59.2962 50 0.56 41
IV.FIAM.HHZ. 2018-05-16T17:39:19.07 0.6 undecidable manual S 188 59.6958 50 0.31 43
IV.BADI.EHE. 2018-05-16T17:39:18.97 0.6 undecidable manual P 315 111.0999 50 0.16 40
IV.MOMA.HHZ. 2018-05-16T17:39:17.40 0.6 undecidable manual S 270 52.503 50 0.57 41
IV.ATPC.HHE. 2018-05-16T17:39:16.90 0.6 undecidable manual P 321 97.125 50 0.23 41
IV.ATVA.EHE. 2018-05-16T17:39:16.87 0.6 undecidable manual P 305 92.0412 50 0.99 32
IV.ATBU.EHZ. 2018-05-16T17:39:16.56 0.6 undecidable manual P 324 92.241 50 0.65 37
IV.ATVO.HHN. 2018-05-16T17:39:15.82 0.6 undecidable manual P 315 91.8414 50 -0.03 43
IV.FRON.EHZ. 2018-05-16T17:39:15.28 0.6 undecidable manual P 334 88.7445 50 -0.09 43
IV.AOI.HHE. 2018-05-16T17:39:15.72 0.6 undecidable manual P 21 88.7445 50 0.35 41
IV.GIGS.HHZ. 2018-05-16T17:39:15.33 0.6 undecidable manual S 143 48.4182 50 -0.43 43
IV.ATFO.HHZ. 2018-05-16T17:39:14.40 0.6 undecidable manual P 320 81.5517 50 0.14 43
IV.ATTE.HHN. 2018-05-16T17:39:14.66 0.6 undecidable manual P 302 82.5507 50 0.24 42
IV.SSFR.HHN. 2018-05-16T17:39:14.09 0.6 undecidable manual P 334 78.6657 50 0.28 42
IV.ARVD.HHE. 2018-05-16T17:39:14.13 0.6 undecidable manual P 344 80.364 50 0.05 44
IV.T0110.HHZ. 2018-05-16T17:39:13.92 0.6 undecidable manual P 144 78.366 50 0.15 43
IV.MURB.HHZ. 2018-05-16T17:39:13.66 0.6 undecidable manual P 313 75.8685 50 0.28 42
IV.PF6.EHN. 2018-05-16T17:39:12.31 0.6 undecidable manual S 357 37.3293 50 -0.48 43
IV.VCEL.EHZ. 2018-05-16T17:39:12.21 0.3 undecidable manual P 131 68.1762 50 0.01 68
IV.FAGN.HHZ. 2018-05-16T17:39:12.80 0.6 undecidable manual P 153 66.6777 50 0.83 36
IV.TERO.HHZ. 2018-05-16T17:39:12.78 0.6 undecidable manual S 122 37.4292 50 -0.02 48
IV.ATCC.EHZ. 2018-05-16T17:39:11.43 0.6 undecidable manual P 313 63.0924 50 0 46
IV.CESI.HHZ. 2018-05-16T17:39:11.50 0.6 undecidable manual S 312 33.8439 50 -0.35 45
IV.CING.HHZ. 2018-05-16T17:39:11.85 0.6 undecidable manual P 359 63.6918 50 0.34 43
IV.CAMP.HHZ. 2018-05-16T17:39:11.61 0.6 undecidable manual S 152 33.4443 50 -0.15 47
IV.T1219.EHN. 2018-05-16T17:39:11.12 0.6 undecidable manual S 329 32.9448 50 -0.5 44
IV.GUMA.HHZ. 2018-05-16T17:39:11.27 0.3 undecidable manual S 19 30.5472 50 0.29 69
IV.FOSV.EHZ. 2018-05-16T17:39:11.87 0.6 undecidable manual P 326 65.8896 50 0.02 45
IV.RM33.EHZ. 2018-05-16T17:39:11.73 0.6 undecidable manual S 180 32.4453 50 0.24 46
IV.MF5.EHZ. 2018-05-16T17:39:10.96 0.6 undecidable manual S 44 28.6491 50 0.49 44
IV.CSP1.EHE. 2018-05-16T17:39:10.91 0.6 undecidable manual S 359 32.2455 50 -0.51 44
IV.SNTG.HHZ. 2018-05-16T17:39:10.12 0.6 undecidable manual P 336 55.0005 50 -0.05 46
IV.T1221.EHZ. 2018-05-16T17:39:10.95 0.6 undecidable manual S 282 30.6471 50 -0.05 48
IV.EL6.EHZ. 2018-05-16T17:39:10.58 0.3 undecidable manual P 351 59.2962 50 -0.25 66
IV.FIAM.HHZ. 2018-05-16T17:39:10.68 0.3 undecidable manual P 188 59.6958 50 -0.22 66
IV.CESX.HHZ. 2018-05-16T17:39:10.09 0.6 undecidable manual P 248 55.5 50 -0.16 45
IV.MOMA.HHZ. 2018-05-16T17:39:09.64 0.3 undecidable manual P 270 52.503 50 -0.14 68
IV.FDMO.HHZ. 2018-05-16T17:39:09.72 0.6 undecidable manual S 338 28.0497 50 -0.59 43
IV.LNSS.HHZ. 2018-05-16T17:39:09.84 0.6 undecidable manual S 213 26.2515 50 0.01 49
IV.SMA1.EHZ. 2018-05-16T17:39:08.34 0.6 undecidable manual S 153 21.3675 115 -0.03 49
IV.GIGS.HHZ. 2018-05-16T17:39:08.96 0.6 undecidable manual P 143 48.4182 50 -0.2 45
IV.T1247.HHZ. 2018-05-16T17:39:08.08 0.6 undecidable manual P 170 40.5261 50 0.14 46
IV.FEMA.HNE. 2018-05-16T17:39:08.26 0.3 undecidable manual S 323 22.2555 114 -0.39 68
IV.OFFI.HHZ. 2018-05-16T17:39:08.49 0.3 undecidable manual P 69 41.0256 50 0.47 65
IV.ARRO.EHZ. 2018-05-16T17:39:08.40 0.6 undecidable manual P 236 44.1225 50 -0.1 46
IV.TERO.HHZ. 2018-05-16T17:39:07.11 0.6 undecidable manual P 122 37.4292 50 -0.35 45
IV.MML1.HNE. 2018-05-16T17:39:07.48 0.3 undecidable manual P 330 39.8268 50 -0.35 67
IV.PF6.EHN. 2018-05-16T17:39:07.00 0.3 undecidable manual P 357 37.3293 50 -0.45 66
IV.GUMA.HHZ. 2018-05-16T17:39:06.38 0.3 undecidable manual P 19 30.5472 50 -0.03 73
IV.T1219.EHN. 2018-05-16T17:39:06.36 0.3 undecidable manual P 329 32.9448 50 -0.41 67
IV.RM33.EHZ. 2018-05-16T17:39:06.58 0.3 undecidable manual P 180 32.4453 50 -0.12 71
IV.MMO1.EHZ. 2018-05-16T17:39:06.16 0.6 undecidable manual S 40 14.1747 126 -0.04 50
IV.MF5.EHZ. 2018-05-16T17:39:06.08 0.3 undecidable manual P 44 28.6491 50 -0.04 73
IV.CESI.HHZ. 2018-05-16T17:39:06.56 0.1 positive manual P 312 33.8439 50 -0.35 90
IV.CSP1.EHE. 2018-05-16T17:39:06.22 0.3 undecidable manual P 359 32.2455 50 -0.44 66
IV.MTRA.HNZ. 2018-05-16T17:39:06.58 0.6 undecidable manual S 109 15.5733 123 -0.04 50
IV.T1221.EHZ. 2018-05-16T17:39:06.14 0.1 positive manual P 282 30.6471 50 -0.28 92
IV.CAMP.HHZ. 2018-05-16T17:39:06.62 0.3 undecidable manual P 152 33.4443 50 -0.23 69
IV.NRCA.HNZ. 2018-05-16T17:39:05.08 0.6 undecidable manual S 293 8.88 139 0.23 48
IV.LNSS.HHZ. 2018-05-16T17:39:05.63 0.1 positive manual P 213 26.2515 50 -0.11 96
IV.FDMO.HHZ. 2018-05-16T17:39:05.55 0.3 undecidable manual P 338 28.0497 50 -0.47 66
IV.MC2.EHZ. 2018-05-16T17:39:05.92 0.6 undecidable manual S 350 12.3765 129 0.22 48
IV.SMA1.EHZ. 2018-05-16T17:39:04.85 0.3 undecidable manual P 153 21.3675 115 -0.04 73
IV.FEMA.HNE. 2018-05-16T17:39:04.85 0.3 undecidable manual P 323 22.2555 114 -0.21 71
IV.MTRA.HNZ. 2018-05-16T17:39:03.94 0.3 undecidable manual P 109 15.5733 123 0.06 74
IV.MC2.EHZ. 2018-05-16T17:39:03.50 0.3 undecidable manual P 350 12.3765 129 0.14 73
IV.NRCA.HNZ. 2018-05-16T17:39:03.10 0.1 positive manual P 293 8.88 139 0.24 96
IV.MMO1.EHZ. 2018-05-16T17:39:03.64 0.1 positive manual P 40 14.1747 126 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:3.6 0.048150000000000005 0.16 AML other m 2018-05-16T17:39:05.18
IV.NRCA.HNE. ML:3.5 0.04625 0.16 AML other m 2018-05-16T17:39:05.19
IV.NRCA.HNN. ML:3.4 0.03615 1.2 AML other m 2018-05-16T17:39:05.25
IV.NRCA.HHN. ML:3.5 0.03995 1.2 AML other m 2018-05-16T17:39:05.25
IV.MTRA.EHE. ML:2.7 0.004795 0.1 AML other m 2018-05-16T17:39:06.94
IV.MTRA.EHN. ML:2.5 0.003105 0.38 AML other m 2018-05-16T17:39:07.20
IV.SMA1.EHE. ML:1.9 0.0006129999999999999 0.54 AML other m 2018-05-16T17:39:08.86
IV.SMA1.EHN. ML:1.9 0.00064 0.78 AML other m 2018-05-16T17:39:09.90
IV.FDMO.HHN. ML:2.0 0.0005819999999999999 0.42 AML other m 2018-05-16T17:39:09.97
IV.FDMO.HHE. ML:1.9 0.00040300000000000004 0.14 AML other m 2018-05-16T17:39:10.28
IV.LNSS.HHE. ML:2.4 0.001395 0.14 AML other m 2018-05-16T17:39:11.36
IV.LNSS.HHN. ML:2.4 0.00133 1.08 AML other m 2018-05-16T17:39:11.93
IV.MF5.EHN. ML:2.1 0.0006950000000000001 0.64 AML other m 2018-05-16T17:39:11.77
IV.MF5.EHE. ML:2.4 0.00115 0.62 AML other m 2018-05-16T17:39:11.48
IV.TERO.HNN. ML:2.1 0.0005335 0.08 AML other m 2018-05-16T17:39:12.92
IV.TERO.HHN. ML:2.4 0.0010270000000000001 0.1 AML other m 2018-05-16T17:39:12.91
IV.TERO.HHE. ML:2.4 0.0010364999999999999 0.12 AML other m 2018-05-16T17:39:13.78
IV.MOMA.HHN. ML:2.1 0.0003045 1.78 AML other m 2018-05-16T17:39:17.98
IV.MOMA.HHE. ML:2.4 0.0006154999999999999 0.22 AML other m 2018-05-16T17:39:18.23
IV.FIAM.HHN. ML:1.8 0.0001185 0.36 AML other m 2018-05-16T17:39:19.35
IV.ATCC.EHE. ML:2.0 0.000185 0.32 AML other m 2018-05-16T17:39:20.49
IV.FIAM.HHE. ML:1.9 0.0001605 0.52 AML other m 2018-05-16T17:39:20.72
IV.ATCC.EHN. ML:1.9 0.000152 1.42 AML other m 2018-05-16T17:39:22.14
IV.VCEL.EHE. ML:2.0 0.00017649999999999998 0.62 AML other m 2018-05-16T17:39:23.87
IV.MURB.HHE. ML:2.4 0.0003325 0.6 AML other m 2018-05-16T17:39:24.41
IV.MURB.HNE. ML:2.4 0.0003375 0.84 AML other m 2018-05-16T17:39:25.41
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