Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 04-11-2016 and time 08:52:32 (UTC) in region 8 km NW Accumoli (RI)

A magnitude ML 1.8 earthquake occured in region: 8 km NW Accumoli (RI), on

  • 04-11-2016 08:52:32 (UTC)
  • 04-11-2016 09:52:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7420, 13.1740 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
Accumoli RI 8 667 667
Norcia PG 9 4957 5624
Arquata del Tronto AP 11 1178 6802
Cascia PG 13 3217 10019
Cittareale RI 14 482 10501
Amatrice RI 16 2657 13158
Castelsantangelo sul Nera MC 17 281 13439
Montegallo AP 17 523 13962
Preci PG 19 724 14686
Acquasanta Terme AP 20 2916 17602
Poggiodomo PG 20 117 17719

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Teramo (54892 inhabitants)
45 Km SE of Foligno (57155 inhabitants)
47 Km NW of L'Aquila (69753 inhabitants)
48 Km E of Terni (111501 inhabitants)
76 Km SE of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km W of Pescara (121014 inhabitants)
92 Km NE of Tivoli (56533 inhabitants)
92 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 1.8 2016-11-04
08:52:32		 42.7423 13.1742 10 2019-07-19
13:24:07		 Bollettino Sismico Italiano INGV 64299921
Reviewed
Rev100 		Md 0.9 2016-11-04
08:52:32		 42.7468 13.1773 9 2016-11-04
09:04:00		 Sala Sismica INGV-Roma 31920001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-11-04 08:52:32 ± 0.05
Latitude 42.7423 ± 0.0027
Longitude 13.1742 ± 0.0037
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 64299921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 337
Semi-minor axis of confidence ellipse (meter) 183
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 59
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) 40
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 52
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.60075
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 66
Type of magnitude ML
Reference to an origin 64299921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-12-28 10:43:55

Md:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 5
Type of magnitude Md
Reference to an origin 31920001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-11-04 09:04:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGAB.HHZ. 2016-11-04T08:52:50.50 3.0 positive manual P 2.67 0
IV.SNTG.HHZ. 2016-11-04T08:52:50.80 0.6 undecidable manual S 342 59.8956 50 0.08 46
IV.ASSB.HHZ. 2016-11-04T08:52:49.40 0.6 undecidable manual S 309 53.502 50 0.39 43
IV.FIAM.HHZ. 2016-11-04T08:52:48.90 0.6 undecidable manual S 185 52.8027 50 0.08 46
IV.GUMA.HHZ. 2016-11-04T08:52:46.08 0.3 undecidable manual S 20 37.8288 50 1.25 47
IV.GIGS.HHZ. 2016-11-04T08:52:46.70 0.3 undecidable manual S 134 45.7209 50 -0.22 68
IV.CSP1.EHZ. 2016-11-04T08:52:45.33 0.3 undecidable manual S 4 38.8278 50 0.24 69
IV.VCEL.EHZ. 2016-11-04T08:52:44.34 0.6 negative manual P 125 66.6777 50 0.46 42
IV.TERO.HHZ. 2016-11-04T08:52:44.60 0.3 undecidable manual S 111 37.4292 50 -0.13 71
IV.FDMO.HHZ. 2016-11-04T08:52:43.40 0.3 undecidable manual S 348 33.3444 50 -0.23 70
IV.T1246.HHN. 2016-11-04T08:52:42.88 0.3 undecidable manual S 124 31.4463 50 -0.23 70
IV.SNTG.HHZ. 2016-11-04T08:52:42.99 0.1 undecidable manual P 342 59.8956 50 0.16 90
IV.T1241.EHZ. 2016-11-04T08:52:41.10 0.3 undecidable manual S 59 24.4533 113 -0.14 72
IV.OFFI.HHZ. 2016-11-04T08:52:41.63 0.1 undecidable manual P 63 46.8198 50 0.82 75
IV.T1215.EHZ. 2016-11-04T08:52:41.30 0.1 undecidable manual S 285 25.752 50 -0.3 93
IV.FIAM.HHZ. 2016-11-04T08:52:41.98 0.1 undecidable manual P 185 52.8027 50 0.24 90
IV.RM33.EHZ. 2016-11-04T08:52:41.40 0.3 undecidable manual S 173 26.0517 50 -0.29 70
IV.ASSB.HHZ. 2016-11-04T08:52:41.85 0.6 negative manual P 309 53.502 50 0 47
IV.T1216.EHZ. 2016-11-04T08:52:40.00 0.6 undecidable manual S 323 20.7681 116 -0.07 49
IV.T1243.HNZ. 2016-11-04T08:52:40.20 0.3 undecidable manual S 103 22.9548 114 -0.55 66
IV.GIGS.HHZ. 2016-11-04T08:52:40.41 0.1 undecidable manual P 134 45.7209 50 -0.23 91
IV.MMO1.EHZ. 2016-11-04T08:52:40.10 0.1 undecidable manual S 35 21.3675 115 -0.17 96
IV.CSP1.EHZ. 2016-11-04T08:52:39.58 0.1 undecidable manual P 4 38.8278 50 0 97
IV.SMA1.EHZ. 2016-11-04T08:52:39.90 0.3 undecidable manual S 133 18.0708 119 0.65 64
IV.TERO.HHZ. 2016-11-04T08:52:39.08 0.1 undecidable manual P 111 37.4292 50 -0.29 91
IV.T1217.EHZ. 2016-11-04T08:52:39.80 0.3 undecidable manual S 260 20.0688 117 -0.06 74
IV.GUMA.HHZ. 2016-11-04T08:52:39.78 0.1 undecidable manual P 20 37.8288 50 0.35 90
IV.LNSS.HHZ. 2016-11-04T08:52:39.80 0.3 undecidable manual S 215 18.9699 118 0.29 71
IV.ARRO.EHZ. 2016-11-04T08:52:39.25 0.1 undecidable manual P 242 37.9287 50 -0.19 93
IV.CAMP.HHZ. 2016-11-04T08:52:38.00 0.1 undecidable manual P 140 29.8479 50 -0.2 94
IV.FDMO.HHZ. 2016-11-04T08:52:38.72 1.0 negative manual P 348 33.3444 50 -0.02 24
IV.T1246.HHN. 2016-11-04T08:52:38.24 0.1 undecidable manual P 124 31.4463 50 -0.2 94
IV.T1204.EHZ. 2016-11-04T08:52:38.20 0.3 undecidable manual S 122 13.7751 126 0.22 72
IV.T1299.HNN. 2016-11-04T08:52:38.61 0.3 undecidable manual S 144 14.874 124 0.31 71
IV.RM33.EHZ. 2016-11-04T08:52:37.44 0.1 undecidable manual P 173 26.0517 50 -0.18 95
IV.NRCA.HNZ. 2016-11-04T08:52:37.00 0.1 undecidable manual S 334 11.2776 132 -0.31 95
IV.T1241.EHZ. 2016-11-04T08:52:37.17 0.1 undecidable manual P 59 24.4533 113 -0.19 95
IV.T1201.HNN. 2016-11-04T08:52:37.68 0.3 undecidable manual S 146 11.2776 132 0.35 71
IV.T1216.EHZ. 2016-11-04T08:52:37.04 0.6 undecidable manual P 323 20.7681 116 0.36 46
IV.T1215.EHZ. 2016-11-04T08:52:37.44 0.3 positive manual P 285 25.752 50 -0.13 72
IV.T1256.HHZ. 2016-11-04T08:52:37.95 0.1 undecidable manual P 8 29.5482 50 -0.21 94
IV.T1217.EHZ. 2016-11-04T08:52:36.70 0.6 undecidable manual P 260 20.0688 117 0.14 49
IV.SMA1.EHZ. 2016-11-04T08:52:36.22 0.1 undecidable manual P 133 18.0708 119 0.01 100
IV.LNSS.HHZ. 2016-11-04T08:52:36.41 0.1 undecidable manual P 215 18.9699 118 0.05 99
IV.T1243.HNZ. 2016-11-04T08:52:36.86 0.1 positive manual P 103 22.9548 114 -0.22 95
IV.MMO1.EHZ. 2016-11-04T08:52:36.72 0.1 negative manual P 35 21.3675 115 -0.08 98
IV.T1245.HHZ. 2016-11-04T08:52:35.35 1.0 undecidable manual P 5 12.6762 129 0.04 25
IV.T1299.HNN. 2016-11-04T08:52:35.87 0.1 undecidable manual P 144 14.874 124 0.21 97
IV.T1202.EHZ. 2016-11-04T08:52:35.60 0.3 undecidable manual S 136 5.994 149 -0.54 68
IV.T1201.HNN. 2016-11-04T08:52:35.41 0.1 undecidable manual P 146 11.2776 132 0.31 95
IV.T1204.EHZ. 2016-11-04T08:52:35.62 0.1 positive manual P 122 13.7751 126 0.14 98
IV.NRCA.HNZ. 2016-11-04T08:52:34.97 0.1 undecidable manual P 334 11.2776 132 -0.12 99
IV.T1202.EHZ. 2016-11-04T08:52:34.25 0.1 undecidable manual P 136 5.994 149 -0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1215.HNE. ML:0.0 0.0002203566865 0.096 AML other m 2016-11-04T08:52:42.52
IV.T1245.HNE. ML:0.0 0.00114472115 0.1664 AML other m 2016-11-04T08:52:39.56
IV.T1245.HHN. ML:0.0 0.0023310139999999997 0.1792 AML other m 2016-11-04T08:52:39.66
IV.T1245.HNN. ML:0.0 0.002343922 0.192 AML other m 2016-11-04T08:52:39.75
IV.NRCA.HHE. ML:0.0 0.0021917185 0.16 AML other m 2016-11-04T08:52:38.06
IV.NRCA.HNE. ML:0.0 0.0020456395 0.1664 AML other m 2016-11-04T08:52:37.98
IV.NRCA.HHN. ML:0.0 0.0024034545 0.1024 AML other m 2016-11-04T08:52:37.72
IV.NRCA.HNN. ML:0.0 0.002177283 0.1088 AML other m 2016-11-04T08:52:37.72
IV.T1216.EHE. ML:0.0 0.00038142945 0.2368 AML other m 2016-11-04T08:52:42.11
IV.T1256.HHE. ML:0.0 0.00013873125 0.2624 AML other m 2016-11-04T08:52:46.11
IV.T1256.HNE. ML:0.0 0.0001420159999999999 0.2624 AML other m 2016-11-04T08:52:46.11
IV.T1256.HNN. ML:0.0 0.00016357809999999998 0.2752 AML other m 2016-11-04T08:52:45.25
IV.T1256.HHN. ML:0.0 0.00013271125000000001 0.1216 AML other m 2016-11-04T08:52:45.10
IV.FDMO.HHN. ML:0.0 0.000089154635 0.1408 AML other m 2016-11-04T08:52:45.74
IV.FDMO.HHE. ML:0.0 0.00012115635 0.2432 AML other m 2016-11-04T08:52:46.00
IV.T1204.EHN. ML:0.0 0.0006940674 0.16 AML other m 2016-11-04T08:52:41.06
IV.T1204.EHE. ML:0.0 0.001504778 0.1984 AML other m 2016-11-04T08:52:41.94
IV.TERO.HHN. ML:0.0 0.0005622347999999999 0.1024 AML other m 2016-11-04T08:52:47.23
IV.TERO.HNN. ML:0.0 0.00049091245 0.1024 AML other m 2016-11-04T08:52:47.23
IV.TERO.HHE. ML:0.0 0.0002942156 0.1216 AML other m 2016-11-04T08:52:47.25
IV.TERO.HNE. ML:0.0 0.00024948645 0.096 AML other m 2016-11-04T08:52:47.25
IV.T1241.HNE. ML:0.0 0.00020883774999999998 0.3968 AML other m 2016-11-04T08:52:47.36
IV.T1241.EHE. ML:0.0 0.00019947875 0.3584 AML other m 2016-11-04T08:52:45.71
IV.T1241.HNN. ML:0.0 0.00021534029999999998 0.5312 AML other m 2016-11-04T08:52:47.16
IV.T1241.EHN. ML:0.0 0.00025581169999999996 0.5376 AML other m 2016-11-04T08:52:47.16
IV.GUMA.HHN. ML:0.0 0.0004899556499999999 0.3776 AML other m 2016-11-04T08:52:47.07
IV.GUMA.HNE. ML:0.0 0.0006119309 0.2496 AML other m 2016-11-04T08:52:46.52
IV.GUMA.HHE. ML:0.0 0.0008120885 0.3584 AML other m 2016-11-04T08:52:46.55
IV.T1216.EHN. ML:0.0 0.0006960521 0.288 AML other m 2016-11-04T08:52:42.13
IV.GUMA.HNN. ML:0.0 0.00080778335 0.3904 AML other m 2016-11-04T08:52:46.77
IV.LNSS.HHN. ML:0.0 0.0009126920000000001 0.16 AML other m 2016-11-04T08:52:40.97
IV.T1217.EHE. ML:0.0 0.00031361089999999996 0.0768 AML other m 2016-11-04T08:52:41.39
IV.T1217.EHN. ML:0.0 0.0004521049 0.1792 AML other m 2016-11-04T08:52:41.30
IV.LNSS.HHE. ML:0.0 0.00034522465000000005 0.2048 AML other m 2016-11-04T08:52:41.00
IV.CAMP.HHE. ML:0.0 0.00016200809999999998 0.2176 AML other m 2016-11-04T08:52:44.08
IV.CAMP.HHN. ML:0.0 0.00016255344999999998 0.2816 AML other m 2016-11-04T08:52:44.17
IV.RM33.HNE. ML:0.0 0.000347101645 0.4352 AML other m 2016-11-04T08:52:46.73
IV.SNTG.HHE. ML:2.6 0.0007955000000000001 0.64 AML other m 2016-11-04T08:53:44.32
IV.SNTG.HNE. ML:2.6 0.000893 0.64 AML other m 2016-11-04T08:53:44.33
IV.ASSB.HHN. ML:2.6 0.000869 1.2 AML other m 2016-11-04T08:53:44.67
IV.SNTG.HHN. ML:2.7 0.0011200000000000001 0.9 AML other m 2016-11-04T08:53:44.78
IV.SNTG.HNN. ML:2.7 0.00103 0.9 AML other m 2016-11-04T08:53:44.33
IV.RM33.EHE. ML:0.0 0.000272507 0.1792 AML other m 2016-11-04T08:52:43.29
IV.RM33.HNN. ML:0.0 0.00033658675000000003 0.1792 AML other m 2016-11-04T08:52:45.02
IV.RM33.EHN. ML:0.0 0.0003109926 0.256 AML other m 2016-11-04T08:52:42.01
IV.ARRO.EHE. ML:0.0 0.0001705587 0.1792 AML other m 2016-11-04T08:52:46.95
IV.ASSB.HHE. ML:2.5 0.0007430000000000001 0.46 AML other m 2016-11-04T08:53:48.69
IV.ARRO.EHN. ML:0.0 0.00019144224999999998 0.16 AML other m 2016-11-04T08:52:46.81
IV.GIGS.HHE. ML:0.0 0.00002575219 0.1792 AML other m 2016-11-04T08:52:47.97
IV.OFFI.HHE. ML:0.0 0.00015109820000000002 0.3968 AML other m 2016-11-04T08:52:50.65
IV.OFFI.HHN. ML:0.0 0.0001676317 0.7616 AML other m 2016-11-04T08:52:57.23
IV.GIGS.HHN. ML:0.0 0.000020839345000000002 0.16 AML other m 2016-11-04T08:52:48.86
IV.FIAM.HHN. ML:0.0 0.00005528623 0.3584 AML other m 2016-11-04T08:52:49.92
IV.FIAM.HHE. ML:0.0 0.00005994561 0.4224 AML other m 2016-11-04T08:52:54.11
IV.VCEL.EHN. ML:0.0 0.00010769275000000001 0.2368 AML other m 2016-11-04T08:52:56.80
IV.VCEL.EHE. ML:0.0 0.0001161431 0.2816 AML other m 2016-11-04T08:52:57.76
IV.T1202.EHE. ML:0.0 0.00004378149999999992 0.1216 AML other m 2016-11-04T08:52:36.99
IV.T1202.EHN. ML:0.0 0.00002742095 0.1408 AML other m 2016-11-04T08:52:36.31
IV.T1245.HHE. ML:0.0 0.00128848275 0.224 AML other m 2016-11-04T08:52:39.77
IV.T1217.HNN. ML:0.0 0.00043676365 0.1792 AML other m 2016-11-04T08:52:41.21
IV.T1217.HNE. ML:0.0 0.0003144903999999999 0.0768 AML other m 2016-11-04T08:52:41.39
IV.T1215.HNN. ML:1.5 0.0001919547 0.1408 AML other m 2016-11-04T08:52:41.68
IV.T1215.EHN. ML:1.6 0.00020918150000000002 0.1408 AML other m 2016-11-04T08:52:41.61
IV.T1215.EHE. ML:1.6 0.00020682650000000002 0.096 AML other m 2016-11-04T08:52:42.52
IV.CSP1.EHN. ML:1.8 0.00020676045 0.1984 AML other m 2016-11-04T08:52:47.03
IV.CSP1.EHE. ML:1.7 0.00016590080000000002 0.3392 AML other m 2016-11-04T08:52:47.29
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