Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 09-03-2017 and time 16:09:11 (Italy) in region 3 km E Accumoli (RI)

A magnitude ML 1.7 earthquake occured in region: 3 km E Accumoli (RI), on

  • 09-03-2017 15:09:11 (UTC)
  • 09-03-2017 16:09:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6910, 13.2850 at 0 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 3 667 667
Amatrice RI 7 2657 3324
Arquata del Tronto AP 9 1178 4502
Cittareale RI 13 482 4984
Acquasanta Terme AP 14 2916 7900
Campotosto AQ 16 542 8442
Montegallo AP 17 523 8965
Valle Castellana TE 18 977 9942
Montereale AQ 19 2581 12523
Capitignano AQ 19 665 13188
Norcia PG 19 4957 18145
Cortino TE 20 656 18801
Rocca Santa Maria TE 20 537 19338

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Teramo (54892 inhabitants)
39 Km N of L'Aquila (69753 inhabitants)
54 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
80 Km W of Pescara (121014 inhabitants)
82 Km W of Chieti (51815 inhabitants)
86 Km SE of Perugia (166134 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
90 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
Reviewed
Rev100 		ML 1.7 2017-03-09
15:09:11		 42.6908 13.2847 0 2017-03-09
15:28:02		 Sala Sismica INGV-Roma 42158341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-09 15:09:11 ± 0.1
Latitude 42.6908 ± 0.0045
Longitude 13.2847 ± 0.0086
Depth (km) 0 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 42158341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 680
Semi-minor axis of confidence ellipse (meter) 470
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) 680.0
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 30
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41818
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 21
Type of magnitude ML
Reference to an origin 42158341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-09 15:28:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1219.EHZ. 2017-03-09T15:09:21.90 0.1 undecidable manual P 331 46.4202 90 0.81 75
IV.T1211.EHZ. 2017-03-09T15:09:20.55 0.3 undecidable manual P 244 39.2274 90 0.92 54
IV.OFFI.HHZ. 2017-03-09T15:09:20.39 0.3 undecidable manual P 50 42.4242 90 0.11 70
IV.T1215.EHZ. 2017-03-09T15:09:19.63 0.3 undecidable manual P 290 36.0417 90 0.62 62
IV.T1222.EHZ. 2017-03-09T15:09:19.85 0.3 undecidable manual P 212 37.9287 90 0.46 65
IV.RM33.EHZ. 2017-03-09T15:09:18.11 0.3 undecidable manual S 196 20.9679 91 -0.95 55
IV.T1241.EHZ. 2017-03-09T15:09:18.54 0.1 undecidable manual S 33 21.867 91 -0.84 77
IV.CAMP.HHZ. 2017-03-09T15:09:18.48 0.1 undecidable manual S 149 19.9689 91 -0.23 94
IV.T1217.EHZ. 2017-03-09T15:09:18.08 0.3 undecidable manual P 275 28.8489 90 0.51 66
IV.TERO.HHZ. 2017-03-09T15:09:17.52 0.3 undecidable manual P 106 27.1506 91 0.3 69
IV.T1216.EHZ. 2017-03-09T15:09:17.45 0.1 undecidable manual P 316 30.9468 90 -0.54 86
IV.T1220.EHZ. 2017-03-09T15:09:17.14 3.0 positive manual P -0.07 0
IV.MC2.EHZ. 2017-03-09T15:09:17.50 0.3 undecidable manual P 342 25.6521 91 0.57 64
IV.MMO1.EHZ. 2017-03-09T15:09:16.99 0.1 undecidable manual P 8 23.3544 91 0.52 88
IV.CSP1.EHZ. 2017-03-09T15:09:16.48 3.0 negative manual P -0.08 0
IV.T1218.EHZ. 2017-03-09T15:09:16.08 0.1 undecidable manual S 261 13.9749 91 -0.56 88
IV.ARRO.EHZ. 2017-03-09T15:09:16.23 3.0 negative manual P -0.05 0
IV.T1241.EHZ. 2017-03-09T15:09:16.23 0.1 undecidable manual P 33 21.867 91 0.06 97
IV.T1212.EHZ. 2017-03-09T15:09:15.84 0.1 undecidable manual P 289 20.6682 91 -0.09 97
IV.CAMP.HHZ. 2017-03-09T15:09:15.67 0.1 undecidable manual P 149 19.9689 91 -0.11 97
IV.RM33.EHZ. 2017-03-09T15:09:15.70 0.1 undecidable manual P 196 20.9679 91 -0.28 93
IV.T1245.HHZ. 2017-03-09T15:09:15.63 0.1 undecidable manual P 337 19.9689 91 -0.16 96
IV.T1214.EHZ. 2017-03-09T15:09:14.74 0.1 undecidable manual S 321 9.7791 91 -0.45 92
IV.T1299.EHZ. 2017-03-09T15:09:14.43 0.1 undecidable manual S 182 6.2937 92 0.47 92
IV.T1218.EHZ. 2017-03-09T15:09:14.34 0.1 undecidable manual P 261 13.9749 91 -0.25 95
IV.GIGS.HHZ. 2017-03-09T15:09:14.96 3.0 negative manual P -0.22 0
IV.SMA1.EHZ. 2017-03-09T15:09:14.29 0.1 undecidable manual S 148 7.881 92 -0.22 96
IV.T1299.EHZ. 2017-03-09T15:09:13.27 0.1 undecidable manual P 182 6.2937 92 0.23 97
IV.SMA1.EHZ. 2017-03-09T15:09:13.41 0.1 undecidable manual P 148 7.881 92 0.05 100
IV.T1214.EHZ. 2017-03-09T15:09:13.59 0.1 undecidable manual P 321 9.7791 91 -0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:1.5 0.00010650000000000001 0.54 AML other m 2017-03-09T15:09:24.78
IV.ARRO.EHN. ML:1.7 0.0001485 0.18 AML other m 2017-03-09T15:09:25.69
IV.ASSB.HHE. ML:1.7 0.00008815 1.52 AML other m 2017-03-09T15:09:30.91
IV.ASSB.HHN. ML:1.6 0.00007545 0.42 AML other m 2017-03-09T15:09:30.29
IV.FAGN.HHE. ML:1.6 0.0001087 0.24 AML other m 2017-03-09T15:09:27.29
IV.FAGN.HHN. ML:1.6 0.0001115 0.22 AML other m 2017-03-09T15:09:29.90
IV.GIGS.HHN. ML:1.2 0.0000739 0.82 AML other m 2017-03-09T15:09:21.48
IV.GIGS.HHE. ML:1.1 0.00004775 1.18 AML other m 2017-03-09T15:09:22.87
IV.MOMA.HHN. ML:1.8 0.0001305 0.46 AML other m 2017-03-09T15:09:29.34
IV.MOMA.HHE. ML:1.9 0.000183 0.2 AML other m 2017-03-09T15:09:28.94
IV.OFFI.HHE. ML:2.2 0.0005064999999999999 0.36 AML other m 2017-03-09T15:09:26.38
IV.OFFI.HHN. ML:2.0 0.000327 0.44 AML other m 2017-03-09T15:09:27.17
IV.RM33.HNE. ML:1.8 0.0004485 0.6 AML other m 2017-03-09T15:09:17.62
IV.RM33.EHE. ML:1.7 0.000411 0.6 AML other m 2017-03-09T15:09:17.63
IV.RM33.EHN. ML:1.7 0.0003765 1.04 AML other m 2017-03-09T15:09:18.24
IV.RM33.HNN. ML:1.7 0.00038500000000000003 1.02 AML other m 2017-03-09T15:09:18.75
IV.T0110.HHE. ML:1.6 0.00008044999999999999 1 AML other m 2017-03-09T15:09:30.90
IV.T0110.HHN. ML:1.8 0.00011300000000000001 1.44 AML other m 2017-03-09T15:09:33.11
IV.T1211.EHN. ML:2.0 0.00035950000000000006 0.68 AML other m 2017-03-09T15:09:22.45
IV.T1211.EHE. ML:1.9 0.000264 0.08 AML other m 2017-03-09T15:09:23.14
IV.T1212.EHE. ML:1.6 0.0002845 0.12 AML other m 2017-03-09T15:09:17.17
IV.T1212.EHN. ML:1.5 0.00027600000000000004 0.74 AML other m 2017-03-09T15:09:17.43
IV.T1214.EHN. ML:1.7 0.0008209999999999999 0.16 AML other m 2017-03-09T15:09:15.31
IV.T1214.HNN. ML:1.7 0.0008465 0.16 AML other m 2017-03-09T15:09:15.31
IV.T1214.EHE. ML:1.8 0.0010950000000000003 0.24 AML other m 2017-03-09T15:09:13.71
IV.T1214.HNE. ML:1.8 0.00115 0.22 AML other m 2017-03-09T15:09:13.72
IV.T1215.EHE. ML:1.5 0.00014000000000000001 0.4 AML other m 2017-03-09T15:09:21.76
IV.T1215.EHN. ML:1.6 0.00017549999999999998 0.2 AML other m 2017-03-09T15:09:21.74
IV.T1216.EHN. ML:1.7 0.0002685 0.36 AML other m 2017-03-09T15:09:21.36
IV.T1216.EHE. ML:1.8 0.0002825 0.56 AML other m 2017-03-09T15:09:20.61
IV.T1217.EHN. ML:1.5 0.00016649999999999998 0.8 AML other m 2017-03-09T15:09:20.18
IV.T1217.EHE. ML:1.5 0.0001855 1.24 AML other m 2017-03-09T15:09:20.28
IV.T1218.EHE. ML:1.8 0.0008500000000000001 0.14 AML other m 2017-03-09T15:09:14.61
IV.T1218.HNE. ML:1.8 0.0008925000000000001 0.32 AML other m 2017-03-09T15:09:14.61
IV.T1218.EHN. ML:1.9 0.0010725 0.2 AML other m 2017-03-09T15:09:15.76
IV.T1218.HNN. ML:1.9 0.001075 0.2 AML other m 2017-03-09T15:09:15.76
IV.T1219.EHN. ML:1.7 0.0001515 0.14 AML other m 2017-03-09T15:09:23.80
IV.T1219.EHE. ML:1.7 0.00013350000000000002 0.28 AML other m 2017-03-09T15:09:24.66
IV.T1220.EHE. ML:2.1 0.00033 1.68 AML other m 2017-03-09T15:09:28.02
IV.T1220.EHN. ML:1.9 0.0002385 0.58 AML other m 2017-03-09T15:09:26.71
IV.T1222.EHE. ML:1.6 0.000135 1.66 AML other m 2017-03-09T15:09:21.88
IV.T1222.EHN. ML:1.5 0.00011404999999999998 0.36 AML other m 2017-03-09T15:09:22.19
IV.T1241.EHN. ML:1.7 0.00034399999999999996 1.38 AML other m 2017-03-09T15:09:17.92
IV.T1241.EHE. ML:1.8 0.0004925 0.36 AML other m 2017-03-09T15:09:18.59
IV.T1245.HNE. ML:1.8 0.0006335 0.68 AML other m 2017-03-09T15:09:17.35
IV.T1245.HHE. ML:1.8 0.0005344999999999999 0.68 AML other m 2017-03-09T15:09:17.35
IV.T1245.HNN. ML:1.8 0.000601 1.3 AML other m 2017-03-09T15:09:19.91
IV.T1245.HHN. ML:1.8 0.0006060000000000001 1.28 AML other m 2017-03-09T15:09:19.91
IV.TERO.HHE. ML:2.0 0.0006739999999999999 0.14 AML other m 2017-03-09T15:09:19.15
IV.TERO.HNE. ML:2.0 0.000607 0.14 AML other m 2017-03-09T15:09:19.15
IV.TERO.HHN. ML:1.9 0.000443 0.1 AML other m 2017-03-09T15:09:19.84
IV.TERO.HNN. ML:1.8 0.000393 0.1 AML other m 2017-03-09T15:09:19.84
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