Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 16-04-2016 and time 23:47:40 (Italy) in region 7 km NW Accumoli (RI)

A magnitude ML 2.0 earthquake occured in region: 7 km NW Accumoli (RI), on

  • 16-04-2016 21:47:40 (UTC)
  • 16-04-2016 23:47:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7410, 13.1870 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 7 667 667
Norcia PG 10 4957 5624
Arquata del Tronto AP 10 1178 6802
Cittareale RI 14 482 7284
Cascia PG 14 3217 10501
Amatrice RI 15 2657 13158
Montegallo AP 17 523 13681
Castelsantangelo sul Nera MC 17 281 13962
Acquasanta Terme AP 19 2916 16878
Preci PG 20 724 17602

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
46 Km SE of Foligno (57155 inhabitants)
47 Km NW of L'Aquila (69753 inhabitants)
48 Km E of Terni (111501 inhabitants)
77 Km SE of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
90 Km W of Pescara (121014 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km W of Chieti (51815 inhabitants)
92 Km NE of Tivoli (56533 inhabitants)
96 Km E of Viterbo (67173 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 2016-04-16
21:47:40		 42.741 13.1868 11 2016-05-17
13:18:31		 Bollettino Sismico Italiano INGV 24549661
Reviewed
Rev100 		ML 2.0 2016-04-16
21:47:40		 42.7397 13.1992 9 2016-04-16
21:56:15		 Sala Sismica INGV-Roma 24396661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-04-16 21:47:40 ± 0.07
Latitude 42.7410 ± 0.0027
Longitude 13.1868 ± 0.0049
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 24549661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 393
Semi-minor axis of confidence ellipse (meter) 75
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.08454
Epicentral distance of station farthest from the epicenter (degree) 0.92540
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 24396661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-04-16 21:56:15

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 24549661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-04-22 09:26:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2016-04-16T21:48:07.08 0.3 undecidable manual S 347 86.247 50 0.96 50
IV.FOSV.EHZ. 2016-04-16T21:48:02.02 0.1 undecidable manual S 331 70.4739 50 0.13 90
IV.CING.HHZ. 2016-04-16T21:48:02.71 0.1 undecidable manual S 1 70.374 50 0.84 73
IV.ATCC.EHE. 2016-04-16T21:48:01.38 0.1 undecidable manual S 318 66.2781 50 0.6 81
IV.FAGN.HHZ. 2016-04-16T21:48:00.30 0.3 undecidable manual S 148 61.8936 50 0.69 59
IV.SNTG.HHZ. 2016-04-16T21:47:59.07 0.3 undecidable manual S 341 60.3951 50 -0.14 68
IV.PIEI.HHZ. 2016-04-16T21:47:58.23 0.6 undecidable manual P 329 102.7194 50 0.37 40
IV.FIAM.HHZ. 2016-04-16T21:47:57.36 0.1 undecidable manual S 186 52.8027 50 0.19 91
IV.MOMA.HHZ. 2016-04-16T21:47:57.05 0.1 undecidable manual S 278 50.8158 50 0.4 87
IV.CESX.HHZ. 2016-04-16T21:47:56.46 0.3 undecidable manual S 253 51.1155 50 -0.26 67
IV.MGAB.HHZ. 2016-04-16T21:47:56.13 0.3 undecidable manual P 283 89.4438 50 0.32 62
IV.ARVD.HHZ. 2016-04-16T21:47:55.25 0.3 undecidable manual P 347 86.247 50 -0.07 66
IV.GIGS.HHZ. 2016-04-16T21:47:54.77 0.1 undecidable manual S 135 44.9217 50 -0.29 90
IV.ARRO.EHZ. 2016-04-16T21:47:53.47 0.1 undecidable manual S 243 38.7279 50 0.04 96
IV.T0110.HHZ. 2016-04-16T21:47:53.19 0.3 undecidable manual P 139 74.4699 50 -0.31 64
IV.CSP1.EHZ. 2016-04-16T21:47:53.40 0.1 undecidable manual S 2 38.9277 50 -0.08 95
IV.GUMA.HHZ. 2016-04-16T21:47:53.80 0.1 undecidable manual S 19 37.629 50 0.66 83
IV.TERO.HHZ. 2016-04-16T21:47:52.82 0.1 undecidable manual S 111 36.4413 50 0 97
IV.VCEL.EHN. 2016-04-16T21:47:52.30 0.3 undecidable manual P 126 65.7897 50 0.13 67
IV.CING.HHZ. 2016-04-16T21:47:52.70 0.1 undecidable manual P 1 70.374 50 -0.17 88
IV.ATCC.EHE. 2016-04-16T21:47:52.10 0.1 undecidable manual P 318 66.2781 50 -0.14 90
IV.CESI.HHZ. 2016-04-16T21:47:52.46 0.1 undecidable manual S 322 37.2294 50 -0.55 85
IV.FOSV.EHZ. 2016-04-16T21:47:52.80 0.1 undecidable manual P 331 70.4739 50 -0.08 90
IV.SNTG.HHZ. 2016-04-16T21:47:51.02 0.1 undecidable manual P 341 60.3951 50 -0.31 87
IV.FDMO.HHZ. 2016-04-16T21:47:51.73 0.1 undecidable manual S 346 33.744 50 -0.37 90
IV.FAGN.HHZ. 2016-04-16T21:47:51.32 0.3 undecidable manual P 148 61.8936 50 -0.24 66
IV.RM33.EHZ. 2016-04-16T21:47:50.16 0.1 undecidable manual S 175 25.8519 50 0.17 96
IV.CAMP.HHZ. 2016-04-16T21:47:50.81 0.1 undecidable manual S 141 29.1486 50 -0.04 97
IV.FIAM.HHZ. 2016-04-16T21:47:50.04 0.1 positive manual P 186 52.8027 50 -0.12 92
IV.MOMA.HHZ. 2016-04-16T21:47:49.93 0.1 undecidable manual P 278 50.8158 50 0.08 93
IV.FEMA.HNE. 2016-04-16T21:47:49.95 0.1 undecidable manual S 336 26.9508 50 -0.32 92
IV.CESX.HHZ. 2016-04-16T21:47:49.52 0.3 undecidable manual P 253 51.1155 50 -0.37 66
IV.LNSS.HHZ. 2016-04-16T21:47:48.57 0.1 undecidable manual S 218 19.4694 50 0.3 93
IV.GUMA.HHZ. 2016-04-16T21:47:48.00 0.1 positive manual P 19 37.629 50 0.17 94
IV.ARRO.EHZ. 2016-04-16T21:47:48.10 0.1 undecidable manual P 243 38.7279 50 0.11 95
IV.GIGS.HHZ. 2016-04-16T21:47:48.54 0.1 undecidable manual P 135 44.9217 50 -0.4 88
IV.TERO.HHZ. 2016-04-16T21:47:47.36 0.1 undecidable manual P 111 36.4413 50 -0.28 92
IV.CESI.HHZ. 2016-04-16T21:47:47.53 0.1 negative manual P 322 37.2294 50 -0.22 93
IV.CSP1.EHZ. 2016-04-16T21:47:47.83 0.1 positive manual P 2 38.9277 50 -0.19 93
IV.FDMO.HHZ. 2016-04-16T21:47:46.91 0.1 positive manual P 346 33.744 50 -0.32 91
IV.RM33.EHZ. 2016-04-16T21:47:46.02 0.1 positive manual P 175 25.8519 50 0.02 99
IV.CAMP.HHZ. 2016-04-16T21:47:46.46 0.1 negative manual P 141 29.1486 50 -0.05 98
IV.LNSS.HHZ. 2016-04-16T21:47:45.10 0.1 positive manual P 218 19.4694 50 0.09 98
IV.AQT1.EHZ. 2016-04-16T21:47:45.72 0.1 undecidable manual S 67 9.3795 139 0.17 97
IV.FEMA.HNE. 2016-04-16T21:47:45.97 0.3 undecidable manual P 336 26.9508 50 -0.2 71
IV.NRCA.HNZ. 2016-04-16T21:47:45.88 0.1 undecidable manual S 330 11.877 132 -0.25 98
IV.AQT1.EHZ. 2016-04-16T21:47:43.75 0.1 negative manual P 67 9.3795 139 0.3 95
IV.NRCA.HNZ. 2016-04-16T21:47:43.81 0.1 undecidable manual P 330 11.877 132 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:2.0 0.000354 0.2 AML other m 2016-04-16T21:47:54.50
IV.ARRO.EHE. ML:2.0 0.0003135 0.2 AML other m 2016-04-16T21:47:55.16
IV.ARVD.HHN. ML:1.6 0.0000448 0.52 AML other m 2016-04-16T21:48:08.70
IV.ARVD.HHE. ML:1.6 0.0000446 1.38 AML other m 2016-04-16T21:48:08.10
IV.CAMP.HHE. ML:2.0 0.0005445 0.24 AML other m 2016-04-16T21:47:51.02
IV.CAMP.HHN. ML:1.8 0.00034050000000000004 1.06 AML other m 2016-04-16T21:47:51.10
IV.CESI.HHE. ML:2.0 0.0003495 1.06 AML other m 2016-04-16T21:47:54.21
IV.CESI.HHN. ML:2.2 0.0005725 1.04 AML other m 2016-04-16T21:47:53.30
IV.CESX.HHN. ML:1.8 0.0001735 0.6 AML other m 2016-04-16T21:47:58.78
IV.CESX.HHE. ML:1.8 0.000153 1.16 AML other m 2016-04-16T21:47:59.20
IV.CING.HHE. ML:1.6 0.0000578 1.42 AML other m 2016-04-16T21:48:05.62
IV.CING.HHN. ML:1.5 0.000056349999999999994 0.76 AML other m 2016-04-16T21:48:06.69
IV.FAGN.HHN. ML:2.2 0.000325 0.28 AML other m 2016-04-16T21:48:02.33
IV.FAGN.HHE. ML:2.3 0.00039400000000000004 0.38 AML other m 2016-04-16T21:48:07.68
IV.FDMO.HHN. ML:2.0 0.0003845 0.96 AML other m 2016-04-16T21:47:52.50
IV.FDMO.HHE. ML:1.9 0.00035299999999999996 0.66 AML other m 2016-04-16T21:47:52.60
IV.FIAM.HHE. ML:1.8 0.000155 0.24 AML other m 2016-04-16T21:47:58.59
IV.FIAM.HHN. ML:1.7 0.00011949999999999999 0.42 AML other m 2016-04-16T21:48:00.65
IV.GIGS.HHE. ML:1.6 0.0001155 0.22 AML other m 2016-04-16T21:47:55.50
IV.GIGS.HHN. ML:1.4 0.00007364999999999999 0.7 AML other m 2016-04-16T21:47:56.56
IV.GUMA.HNN. ML:2.1 0.00048750000000000003 0.2 AML other m 2016-04-16T21:47:54.40
IV.GUMA.HNE. ML:2.4 0.000862 1.52 AML other m 2016-04-16T21:47:54.81
IV.GUMA.HHE. ML:2.3 0.0007624999999999999 0.94 AML other m 2016-04-16T21:47:54.15
IV.GUMA.HHN. ML:2.3 0.0008045 1.02 AML other m 2016-04-16T21:47:54.32
IV.LNSS.HHN. ML:2.3 0.0013900000000000002 0.24 AML other m 2016-04-16T21:47:48.65
IV.LNSS.HHE. ML:2.3 0.0016099999999999999 0.26 AML other m 2016-04-16T21:47:48.80
IV.MGAB.HHE. ML:1.8 0.00008199999999999999 1.58 AML other m 2016-04-16T21:48:12.45
IV.MGAB.HHN. ML:1.8 0.00008155 0.76 AML other m 2016-04-16T21:48:13.30
IV.MOMA.HNE. ML:2.3 0.000461 0.22 AML other m 2016-04-16T21:47:58.36
IV.MOMA.HHN. ML:2.0 0.00023899999999999998 0.56 AML other m 2016-04-16T21:47:58.71
IV.MOMA.HHE. ML:2.3 0.0004965 0.22 AML other m 2016-04-16T21:47:58.36
IV.MOMA.HNN. ML:2.2 0.0004026 1.34 AML other m 2016-04-16T21:47:59.11
IV.NRCA.HNE. ML:2.5 0.00327 0.22 AML other m 2016-04-16T21:47:46.07
IV.NRCA.HHE. ML:2.5 0.00354 0.22 AML other m 2016-04-16T21:47:46.07
IV.NRCA.HNN. ML:2.2 0.0019975 0.08 AML other m 2016-04-16T21:47:46.02
IV.NRCA.HHN. ML:2.3 0.00225 0.08 AML other m 2016-04-16T21:47:46.02
IV.PIEI.HHE. ML:1.6 0.00003565 0.66 AML other m 2016-04-16T21:48:13.98
IV.PIEI.HHN. ML:1.5 0.00003235000000000001 1.4 AML other m 2016-04-16T21:48:16.55
IV.RM33.EHE. ML:2.3 0.00109 1.58 AML other m 2016-04-16T21:47:52.00
IV.RM33.HNN. ML:2.1 0.0006720000000000001 0.84 AML other m 2016-04-16T21:47:51.28
IV.RM33.EHN. ML:2.0 0.0006205000000000001 0.36 AML other m 2016-04-16T21:47:51.29
IV.RM33.HNE. ML:2.2 0.0010429999999999999 1.6 AML other m 2016-04-16T21:47:52.00
IV.SNTG.HHE. ML:1.5 0.00006335000000000001 1.36 AML other m 2016-04-16T21:48:03.63
IV.SNTG.HHN. ML:1.6 0.0000791 1.34 AML other m 2016-04-16T21:48:03.03
IV.TERO.HHE. ML:1.3 0.00007835000000000001 0.78 AML other m 2016-04-16T21:47:56.64
IV.TERO.HNE. ML:1.7 0.00019715 0.78 AML other m 2016-04-16T21:47:56.64
IV.TERO.HNN. ML:1.9 0.000298 0.46 AML other m 2016-04-16T21:47:53.19
IV.TERO.HHN. ML:1.5 0.0001285 0.46 AML other m 2016-04-16T21:47:53.19
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