Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 30-10-2016 and time 22:14:17 (Italy) in region 4 km SW Accumoli (RI)

A magnitude ML 1.9 earthquake occured in region: 4 km SW Accumoli (RI), on

  • 30-10-2016 21:14:17 (UTC)
  • 30-10-2016 22:14:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6780, 13.2110 at 13 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 4 667 667
Cittareale RI 8 482 1149
Amatrice RI 8 2657 3806
Arquata del Tronto AP 13 1178 4984
Norcia PG 16 4957 9941
Cascia PG 17 3217 13158
Montereale AQ 17 2581 15739
Campotosto AQ 19 542 16281
Capitignano AQ 19 665 16946
Acquasanta Terme AP 19 2916 19862
Borbona RI 19 617 20479
Posta RI 20 694 21173

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
52 Km SE of Foligno (57155 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
82 Km SE of Perugia (166134 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km W of Pescara (121014 inhabitants)
86 Km NE of Tivoli (56533 inhabitants)
86 Km W of Chieti (51815 inhabitants)
95 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 1.9 2016-10-30
21:14:17		 42.6782 13.2112 13 2019-02-12
14:03:22		 Bollettino Sismico Italiano INGV 47073551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-30 21:14:17 ± 0.07
Latitude 42.6782 ± 0.0036
Longitude 13.2112 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 47073551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 398
Semi-minor axis of confidence ellipse (meter) 215
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 331
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.03597
Epicentral distance of station farthest from the epicenter (degree) 0.43257
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 47073551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-06-23 16:55:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HHZ. 2016-10-30T21:14:32.79 0.6 undecidable manual S 13 43.8228 94 0.81 38
XO.AM05.HNZ. 2016-10-30T21:14:29.74 0.6 undecidable manual S 19 35.1426 95 0.07 48
IV.T1211.EHZ. 2016-10-30T21:14:29.17 0.6 undecidable manual S 241 33.2445 95 0.01 48
IV.TERO.HHZ. 2016-10-30T21:14:28.54 0.6 undecidable manual S 101 32.6451 96 -0.47 43
IV.T1241.EHZ. 2016-10-30T21:14:27.36 0.6 undecidable manual S 42 26.6511 98 -0.07 48
IV.T1247.HHZ. 2016-10-30T21:14:27.98 0.6 undecidable manual S 165 27.1506 98 0.41 45
IV.OFFI.HHE. 2016-10-30T21:14:27.38 0.1 undecidable manual P 53 48.0186 93 0.75 78
IV.MMO1.EHZ. 2016-10-30T21:14:27.09 0.6 undecidable manual S 21 26.2515 98 -0.23 46
IV.T1217.EHZ. 2016-10-30T21:14:26.12 0.6 undecidable manual S 279 23.1546 100 -0.37 46
IV.CAMP.HHZ. 2016-10-30T21:14:26.26 0.6 undecidable manual S 134 22.5552 101 -0.09 48
IV.GUMA.HHZ. 2016-10-30T21:14:26.16 0.1 undecidable manual P 13 43.8228 94 0.16 92
IV.RM33.EHZ. 2016-10-30T21:14:25.33 0.3 undecidable manual S 179 18.7701 106 -0.03 74
IV.GIGS.HHZ. 2016-10-30T21:14:25.15 0.3 undecidable manual P 130 38.7279 94 -0.06 70
IV.T1243.HHZ. 2016-10-30T21:14:25.40 0.6 undecidable manual S 84 19.4694 105 -0.14 48
IV.T1247.HHZ. 2016-10-30T21:14:24.18 0.3 undecidable manual P 165 27.1506 98 0.74 60
XO.AM05.HNZ. 2016-10-30T21:14:24.54 0.6 undecidable manual P 19 35.1426 95 -0.12 47
IV.T1211.EHZ. 2016-10-30T21:14:24.18 0.3 undecidable manual P 241 33.2445 95 -0.19 70
IV.ARRO.EHZ. 2016-10-30T21:14:24.87 0.1 undecidable manual P 253 37.9287 94 -0.23 91
IV.LNSS.HHZ. 2016-10-30T21:14:24.78 0.6 undecidable manual S 239 16.2726 111 0.06 49
IV.TERO.HHZ. 2016-10-30T21:14:24.00 0.1 undecidable manual P 101 32.6451 96 -0.28 91
IV.MMO1.EHZ. 2016-10-30T21:14:23.11 0.3 undecidable manual P 21 26.2515 98 -0.19 70
IV.SMA1.EHZ. 2016-10-30T21:14:23.53 0.6 undecidable manual S 118 11.4774 126 -0.06 49
IV.T1241.EHZ. 2016-10-30T21:14:23.36 0.1 undecidable manual P 42 26.6511 98 0 97
IV.CAMP.HHZ. 2016-10-30T21:14:22.79 0.3 undecidable manual P 134 22.5552 101 0.05 73
IV.T1204.EHZ. 2016-10-30T21:14:22.73 0.6 undecidable manual S 92 8.5803 137 -0.3 47
IV.T1201.HNN. 2016-10-30T21:14:22.20 0.6 undecidable manual S 126 3.996 159 -0.16 50
IV.T1243.HHZ. 2016-10-30T21:14:22.09 0.1 undecidable manual P 84 19.4694 105 -0.18 95
IV.RM33.EHZ. 2016-10-30T21:14:22.21 0.1 positive manual P 179 18.7701 106 0.04 98
IV.T1217.EHZ. 2016-10-30T21:14:22.60 0.1 positive manual P 279 23.1546 100 -0.22 94
IV.T1299.HNN. 2016-10-30T21:14:22.66 0.6 undecidable manual S 130 7.5813 141 -0.19 49
IV.LNSS.HHZ. 2016-10-30T21:14:21.78 0.1 positive manual P 239 16.2726 111 -0.02 99
IV.SMA1.EHZ. 2016-10-30T21:14:21.46 0.1 undecidable manual P 118 11.4774 126 0.31 94
IV.T1299.HNN. 2016-10-30T21:14:20.80 0.1 undecidable manual P 130 7.5813 141 0.08 99
IV.T1204.EHZ. 2016-10-30T21:14:20.85 0.1 undecidable manual P 92 8.5803 137 0.03 100
IV.T1201.HNN. 2016-10-30T21:14:20.50 0.1 undecidable manual P 126 3.996 159 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:1.6 0.00014057918 0.2048 AML other m 2016-10-30T21:14:32.15
IV.LNSS.HHN. ML:2.0 0.0009190324000000001 0.128 AML other m 2016-10-30T21:14:25.27
IV.LNSS.HHE. ML:1.5 0.00027774369999999997 0.1408 AML other m 2016-10-30T21:14:25.13
IV.RM33.EHN. ML:2.2 0.0012265575 0.1792 AML other m 2016-10-30T21:14:25.54
IV.RM33.EHE. ML:2.0 0.0007571274500000001 0.128 AML other m 2016-10-30T21:14:25.75
IV.RM33.HNN. ML:2.2 0.0012637776999999998 0.192 AML other m 2016-10-30T21:14:25.54
IV.RM33.HNE. ML:2.0 0.0008137356 0.1408 AML other m 2016-10-30T21:14:25.82
IV.SMA1.EHE. ML:2.0 0.000935882 0.1536 AML other m 2016-10-30T21:14:24.06
IV.SMA1.EHN. ML:1.7 0.0004540536 0.128 AML other m 2016-10-30T21:14:24.18
IV.T1204.EHE. ML:2.0 0.0012414021499999998 0.1152 AML other m 2016-10-30T21:14:23.42
IV.T1204.EHN. ML:1.9 0.00089142678 0.1024 AML other m 2016-10-30T21:14:22.83
IV.T1211.EHN. ML:1.8 0.00023944199999999998 0.2304 AML other m 2016-10-30T21:14:33.34
IV.T1211.EHE. ML:1.8 0.000275631 0.192 AML other m 2016-10-30T21:14:29.50
IV.T1211.HNE. ML:1.8 0.00026828420000000005 0.0896 AML other m 2016-10-30T21:14:29.54
IV.T1211.HNN. ML:1.8 0.000261655825 0.2688 AML other m 2016-10-30T21:14:32.19
IV.T1215.EHN. ML:1.9 0.0003399375 0.0768 AML other m 2016-10-30T21:14:34.87
IV.T1215.HNN. ML:1.9 0.0003339231 0.064 AML other m 2016-10-30T21:14:34.87
IV.T1215.EHE. ML:1.8 0.0002879913 0.1536 AML other m 2016-10-30T21:14:35.10
IV.T1215.HNE. ML:1.8 0.000281109835 0.0896 AML other m 2016-10-30T21:14:34.74
IV.T1217.EHN. ML:2.0 0.0006821065500000001 0.2304 AML other m 2016-10-30T21:14:26.34
IV.T1217.HNE. ML:1.9 0.00044253555 0.1536 AML other m 2016-10-30T21:14:26.25
IV.T1217.HNN. ML:2.0 0.00062757835 0.2304 AML other m 2016-10-30T21:14:26.22
IV.T1217.EHE. ML:1.8 0.00041934945 0.1408 AML other m 2016-10-30T21:14:26.25
IV.T1241.EHN. ML:1.7 0.00029132145 0.256 AML other m 2016-10-30T21:14:34.78
IV.T1241.EHE. ML:2.0 0.0005164537500000001 0.2048 AML other m 2016-10-30T21:14:27.58
IV.T1247.HHE. ML:1.7 0.0002566445 0.1664 AML other m 2016-10-30T21:14:30.30
IV.T1247.HHN. ML:1.7 0.00024389605 0.1024 AML other m 2016-10-30T21:14:30.82
IV.TERO.HHE. ML:1.7 0.00022828035000000001 0.0768 AML other m 2016-10-30T21:14:30.20
IV.TERO.HNN. ML:1.7 0.0001972796 0.1024 AML other m 2016-10-30T21:14:29.40
IV.TERO.HNE. ML:1.7 0.0001929076 0.0768 AML other m 2016-10-30T21:14:30.16
IV.TERO.HHN. ML:1.7 0.00022702825 0.0768 AML other m 2016-10-30T21:14:29.34
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