Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 04-10-2016 and time 03:04:25 (Italy) in region 4 km E Cittareale (RI)

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

  • 04-10-2016 01:04:25 (UTC)
  • 04-10-2016 03:04:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6320, 13.2100 at 12 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cittareale RI 4 482 482
Amatrice RI 7 2657 3139
Accumoli RI 8 667 3806
Montereale AQ 12 2581 6387
Capitignano AQ 14 665 7052
Borbona RI 15 617 7669
Posta RI 15 694 8363
Campotosto AQ 16 542 8905
Arquata del Tronto AP 17 1178 10083
Cascia PG 19 3217 13300
Cagnano Amiterno AQ 19 1369 14669

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of L'Aquila (69753 inhabitants)
41 Km W of Teramo (54892 inhabitants)
47 Km E of Terni (111501 inhabitants)
55 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
84 Km W of Pescara (121014 inhabitants)
85 Km W of Chieti (51815 inhabitants)
85 Km SE of Perugia (166134 inhabitants)
94 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
Reviewed
Rev100 		ML 1.9 2016-10-04
01:04:25		 42.6317 13.2103 12 2016-10-04
01:14:18		 Sala Sismica INGV-Roma 29819701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-04 01:04:25 ± 0.06
Latitude 42.6317 ± 0.0027
Longitude 13.2103 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 29819701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 399
Semi-minor axis of confidence ellipse (meter) 45
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 74
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) 39
Number of associated phases, regardless of their use for origin computation 55
Number of defining phases 55
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 0.85346
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 29819701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-04 01:14:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2016-10-04T01:04:47.99 1.0 undecidable manual S 233 72.1722 91 0.99 17
IV.T0110.HHZ. 2016-10-04T01:04:45.13 0.1 undecidable manual S 134 64.3911 91 0.21 88
IV.VCEL.EHZ. 2016-10-04T01:04:44.24 0.1 undecidable manual S 117 57.8976 91 1.05 66
IV.OFFI.HHZ. 2016-10-04T01:04:43.82 0.1 undecidable manual S 49 51.3153 91 2.38 24
IV.CESX.HHZ. 2016-10-04T01:04:42.30 0.3 undecidable manual S 267 51.0156 91 0.95 55
IV.MGAB.HHZ. 2016-10-04T01:04:42.30 0.6 negative manual P 290 94.7385 91 1 32
IV.FAGN.HHZ. 2016-10-04T01:04:41.65 0.3 undecidable manual S 143 50.8158 91 0.34 66
IV.GUMA.HHZ. 2016-10-04T01:04:41.67 0.1 undecidable manual S 12 48.9177 91 0.88 73
IV.CSP1.EHZ. 2016-10-04T01:04:41.61 0.1 undecidable manual S 360 51.0156 91 0.24 90
IV.FDMO.HHZ. 2016-10-04T01:04:40.43 0.3 undecidable manual S 347 46.0206 91 0.4 66
IV.FIAM.HHZ. 2016-10-04T01:04:38.54 0.3 undecidable manual S 191 41.0256 92 -0.17 70
IV.CERT.HHZ. 2016-10-04T01:04:38.40 0.1 undecidable manual P 194 78.0663 91 -0.33 84
XO.AM05.EHZ. 2016-10-04T01:04:38.42 0.3 undecidable manual S 17 40.0266 92 -0.02 72
IV.SRES.HHZ. 2016-10-04T01:04:37.84 0.1 undecidable manual P 233 72.1722 91 0.01 91
IV.GIGS.HHZ. 2016-10-04T01:04:36.71 0.1 undecidable manual S 124 35.6421 92 -0.55 87
IV.T0110.HHZ. 2016-10-04T01:04:36.52 0.1 undecidable manual P 134 64.3911 91 -0.1 91
IV.MC2.EHZ. 2016-10-04T01:04:36.22 0.1 undecidable manual S 357 31.0467 93 0.17 95
IV.T1215.EHZ. 2016-10-04T01:04:36.50 0.1 undecidable manual S 304 33.6441 92 -0.23 92
IV.T1216.EHZ. 2016-10-04T01:04:36.18 0.3 undecidable manual S 332 32.6451 92 -0.29 69
IV.TERO.HHZ. 2016-10-04T01:04:35.75 0.1 undecidable manual S 92 32.1456 92 -0.58 87
IV.OFFI.HHZ. 2016-10-04T01:04:35.25 0.1 undecidable manual P 49 51.3153 91 0.64 80
IV.T1241.HHZ. 2016-10-04T01:04:35.55 0.1 undecidable manual S 36 30.747 93 -0.4 91
IV.VCEL.EHZ. 2016-10-04T01:04:35.81 0.1 undecidable manual P 117 57.8976 91 0.19 90
IV.CSP1.EHZ. 2016-10-04T01:04:34.59 0.1 undecidable manual P 360 51.0156 91 0.02 95
IV.FAGN.HHZ. 2016-10-04T01:04:34.89 0.1 undecidable manual P 143 50.8158 91 0.35 88
IV.T1217.EHZ. 2016-10-04T01:04:34.10 0.1 undecidable manual S 291 24.4533 94 -0.17 95
IV.CESX.HHZ. 2016-10-04T01:04:34.42 0.1 undecidable manual P 267 51.0156 91 -0.14 91
IV.GUMA.HHZ. 2016-10-04T01:04:34.49 0.1 undecidable manual P 12 48.9177 91 0.25 90
IV.NRCA.HHZ. 2016-10-04T01:04:33.59 0.1 undecidable manual S 341 23.754 94 -0.49 89
IV.FDMO.HHZ. 2016-10-04T01:04:33.56 0.1 undecidable manual P 347 46.0206 91 -0.24 91
IV.T1247.HHZ. 2016-10-04T01:04:33.98 0.1 undecidable manual S 161 22.2555 95 0.28 94
XO.AM05.EHZ. 2016-10-04T01:04:32.79 0.1 undecidable manual P 17 40.0266 92 -0.09 95
IV.FIAM.HHZ. 2016-10-04T01:04:32.95 0.3 positive manual P 191 41.0256 92 -0.09 71
IV.T1243.HHZ. 2016-10-04T01:04:32.68 0.1 undecidable manual S 70 20.6682 96 -0.61 88
MN.AQU.HHZ. 2016-10-04T01:04:32.31 0.6 negative manual P 153 34.6431 92 0.26 46
IV.CAMP.HHZ. 2016-10-04T01:04:32.64 0.1 undecidable manual S 123 19.3695 97 -0.3 95
IV.T1215.EHZ. 2016-10-04T01:04:31.64 0.1 undecidable manual P 304 33.6441 92 -0.25 92
IV.RM33.EHZ. 2016-10-04T01:04:31.36 0.1 undecidable manual S 179 13.5753 111 -0.08 100
IV.T1241.HHZ. 2016-10-04T01:04:31.18 0.3 positive manual P 36 30.747 93 -0.27 70
IV.T1216.EHZ. 2016-10-04T01:04:31.69 1.0 positive manual P 332 32.6451 92 -0.05 24
IV.LNSS.HHZ. 2016-10-04T01:04:31.57 0.1 undecidable manual S 257 14.2746 109 -0.02 100
IV.TERO.HHZ. 2016-10-04T01:04:31.29 0.1 positive manual P 92 32.1456 92 -0.37 91
IV.GIGS.HHZ. 2016-10-04T01:04:31.88 0.1 undecidable manual P 124 35.6421 92 -0.32 91
IV.MC2.EHZ. 2016-10-04T01:04:31.46 0.1 undecidable manual P 357 31.0467 93 -0.04 97
IV.T1217.EHZ. 2016-10-04T01:04:30.37 0.1 positive manual P 291 24.4533 94 -0.11 96
IV.NRCA.HHZ. 2016-10-04T01:04:30.14 0.1 negative manual P 341 23.754 94 -0.23 94
IV.T1202.EHZ. 2016-10-04T01:04:30.29 0.1 undecidable manual S 8 8.0808 135 0.1 99
IV.T1247.HHZ. 2016-10-04T01:04:30.26 0.3 negative manual P 161 22.2555 95 0.11 73
IV.T1204.EHZ. 2016-10-04T01:04:30.42 0.1 undecidable manual S 60 9.9789 126 -0.16 100
IV.T1243.HHZ. 2016-10-04T01:04:29.63 0.1 undecidable manual P 70 20.6682 96 -0.28 95
IV.CAMP.HHZ. 2016-10-04T01:04:29.60 0.1 undecidable manual P 123 19.3695 97 -0.11 98
IV.LNSS.HHZ. 2016-10-04T01:04:29.03 0.1 positive manual P 257 14.2746 109 0.1 99
IV.T1202.EHZ. 2016-10-04T01:04:28.27 0.1 undecidable manual P 8 8.0808 135 0.15 98
IV.T1204.EHZ. 2016-10-04T01:04:28.41 0.1 negative manual P 60 9.9789 126 0.07 100
IV.RM33.EHZ. 2016-10-04T01:04:28.95 0.1 positive manual P 179 13.5753 111 0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.AQU.HHE. ML:1.2 0.0000669 1.08 AML other m 2016-10-04T01:04:38.65
MN.AQU.HHN. ML:1.4 0.0001095 0.34 AML other m 2016-10-04T01:04:40.98
IV.CAMP.HHE. ML:1.3 0.0001565 1.02 AML other m 2016-10-04T01:04:33.27
IV.CAMP.HHN. ML:1.4 0.000191 0.62 AML other m 2016-10-04T01:04:35.40
IV.CERT.HHE. ML:1.6 0.0000536 0.44 AML other m 2016-10-04T01:04:53.89
IV.CERT.HHN. ML:1.4 0.000038100000000000005 0.36 AML other m 2016-10-04T01:04:54.15
IV.CESX.HHE. ML:1.5 0.00008265 0.2 AML other m 2016-10-04T01:04:43.42
IV.CESX.HHN. ML:1.6 0.00010345 0.16 AML other m 2016-10-04T01:04:43.32
IV.FAGN.HHN. ML:1.8 0.000146 1.58 AML other m 2016-10-04T01:04:46.51
IV.FAGN.HHE. ML:1.7 0.0001175 0.26 AML other m 2016-10-04T01:04:46.50
IV.FIAM.HHE. ML:1.9 0.0002595 0.28 AML other m 2016-10-04T01:04:39.18
IV.FIAM.HHN. ML:1.7 0.000174 0.76 AML other m 2016-10-04T01:04:39.62
IV.GIGS.HHE. ML:1.4 0.00010944999999999999 0.18 AML other m 2016-10-04T01:04:37.01
IV.GIGS.HHN. ML:1.4 0.0001046 0.12 AML other m 2016-10-04T01:04:37.02
IV.GUMA.HHN. ML:2.4 0.0006374999999999999 0.32 AML other m 2016-10-04T01:04:42.20
IV.GUMA.HNE. ML:2.4 0.000703 0.28 AML other m 2016-10-04T01:04:42.09
IV.GUMA.HHE. ML:2.4 0.0007305 0.28 AML other m 2016-10-04T01:04:42.11
IV.GUMA.HNN. ML:2.4 0.0006635 0.34 AML other m 2016-10-04T01:04:42.16
IV.LNSS.HHN. ML:2.0 0.0009655 0.16 AML other m 2016-10-04T01:04:31.89
IV.LNSS.HHE. ML:2.0 0.000992 0.34 AML other m 2016-10-04T01:04:31.94
IV.MGAB.HHN. ML:1.5 0.00003395 1.56 AML other m 2016-10-04T01:04:58.49
IV.MGAB.HHE. ML:1.8 0.0000724 0.96 AML other m 2016-10-04T01:05:02.41
IV.NRCA.HNE. ML:2.5 0.002105 0.14 AML other m 2016-10-04T01:05:22.47
IV.NRCA.HHE. ML:2.6 0.00229 0.14 AML other m 2016-10-04T01:05:22.47
IV.NRCA.HNN. ML:2.3 0.0012155 0.18 AML other m 2016-10-04T01:05:22.43
IV.NRCA.HHN. ML:2.3 0.001335 0.18 AML other m 2016-10-04T01:05:22.52
IV.OFFI.HHE. ML:2.2 0.000424 0.24 AML other m 2016-10-04T01:04:44.51
IV.OFFI.HHN. ML:2.1 0.0003035 1.2 AML other m 2016-10-04T01:04:50.98
IV.RM33.EHN. ML:2.1 0.00117 0.24 AML other m 2016-10-04T01:04:31.61
IV.RM33.HNE. ML:2.0 0.000958 0.26 AML other m 2016-10-04T01:04:32.00
IV.RM33.EHE. ML:2.0 0.0009445 0.48 AML other m 2016-10-04T01:04:32.01
IV.RM33.HNN. ML:2.1 0.0011795 0.24 AML other m 2016-10-04T01:04:31.60
IV.T0110.HHN. ML:1.8 0.00010944999999999999 1.58 AML other m 2016-10-04T01:04:48.10
IV.T0110.HHE. ML:1.7 0.0001012 1.28 AML other m 2016-10-04T01:04:52.62
IV.T1202.EHN. ML:2.4 0.00331 0.12 AML other m 2016-10-04T01:04:30.38
IV.T1202.EHE. ML:2.3 0.0024300000000000003 0.78 AML other m 2016-10-04T01:04:30.49
IV.T1241.HHE. ML:2.1 0.0005775 0.16 AML other m 2016-10-04T01:04:35.75
IV.T1241.HHN. ML:1.8 0.0002585 0.4 AML other m 2016-10-04T01:04:36.06
IV.T1247.HHN. ML:1.8 0.0004465 0.12 AML other m 2016-10-04T01:04:36.48
IV.T1247.HHE. ML:1.7 0.0003185 0.22 AML other m 2016-10-04T01:04:37.50
IV.TERO.HHN. ML:2.1 0.000518 0.08 AML other m 2016-10-04T01:04:36.86
IV.TERO.HHE. ML:1.9 0.0003635 1.14 AML other m 2016-10-04T01:04:35.96
IV.VCEL.EHN. ML:2.0 0.00023549999999999998 0.62 AML other m 2016-10-04T01:04:46.46
IV.VCEL.EHE. ML:2.0 0.00020299999999999997 0.48 AML other m 2016-10-04T01:04:46.21
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