Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 06-04-2017 and time 17:09:21 (Italy) in region 9 km W Rocca Santa Maria (TE)

A magnitude ML 1.3 earthquake occured in region: 9 km W Rocca Santa Maria (TE), on

  • 06-04-2017 15:09:21 (UTC)
  • 06-04-2017 17:09:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6790, 13.4180 at 18 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
Rocca Santa Maria TE 9 537 537
Valle Castellana TE 9 977 1514
Cortino TE 10 656 2170
Acquasanta Terme AP 10 2916 5086
Amatrice RI 12 2657 7743
Accumoli RI 14 667 8410
Campotosto AQ 14 542 8952
Arquata del Tronto AP 14 1178 10130
Crognaleto TE 15 1297 11427
Fano Adriano TE 17 296 11723
Montegallo AP 20 523 12246
Torricella Sicura TE 20 2641 14887
Capitignano AQ 20 665 15552

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Teramo (54892 inhabitants)
36 Km N of L'Aquila (69753 inhabitants)
63 Km W of Montesilvano (53738 inhabitants)
64 Km E of Terni (111501 inhabitants)
66 Km E of Foligno (57155 inhabitants)
69 Km W of Pescara (121014 inhabitants)
71 Km NW of Chieti (51815 inhabitants)
94 Km NE of Tivoli (56533 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SE of Perugia (166134 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 1.3 2017-04-06
15:09:21		 42.679 13.4183 18 2019-07-19
13:20:32		 Bollettino Sismico Italiano INGV 50264781
Reviewed
Rev100 		ML 1.3 2017-04-06
15:09:21		 42.6758 13.4237 18 2017-04-06
15:14:00		 Sala Sismica INGV-Roma 43474171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-06 15:09:21 ± 0.06
Latitude 42.6790 ± 0.0018
Longitude 13.4183 ± 0.0037
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50264781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 279
Semi-minor axis of confidence ellipse (meter) 74
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.07824
Epicentral distance of station farthest from the epicenter (degree) 0.43167
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 50264781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-09-19 19:39:27

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 43474171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-06 15:14:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2017-04-06T15:09:37.10 0.6 undecidable manual S 326 47.9187 101 0.17 46
IV.MC2.EHZ. 2017-04-06T15:09:33.19 0.3 undecidable manual S 324 31.8459 109 0.42 67
IV.NRCA.HHZ. 2017-04-06T15:09:32.10 0.3 undecidable manual S 305 30.1476 110 -0.24 69
IV.T1245.HHZ. 2017-04-06T15:09:31.65 0.3 undecidable manual S 316 27.1506 113 0.03 73
IV.GIGS.HHZ. 2017-04-06T15:09:31.93 0.6 undecidable manual S 153 28.0497 112 0.1 48
IV.T1218.EHZ. 2017-04-06T15:09:31.04 0.3 undecidable manual S 268 24.753 116 0.01 74
IV.RM33.EHZ. 2017-04-06T15:09:31.12 0.3 undecidable manual S 221 25.1526 115 0 74
IV.FDMO.HHZ. 2017-04-06T15:09:30.27 0.3 undecidable manual P 326 47.9187 101 -0.14 69
IV.TERO.HHN. 2017-04-06T15:09:29.14 0.3 undecidable manual S 112 16.3725 130 0 75
IV.T1214.HNE. 2017-04-06T15:09:29.92 0.6 undecidable manual S 298 19.2696 124 0.16 48
IV.T1241.EHZ. 2017-04-06T15:09:29.83 0.3 undecidable manual S 3 19.6692 123 -0.03 74
IV.CAMP.HHE. 2017-04-06T15:09:28.94 0.3 undecidable manual S 183 15.873 131 -0.1 73
IV.T1299.EHZ. 2017-04-06T15:09:28.37 0.3 undecidable manual S 246 12.1767 140 0.03 75
IV.T1246.HHN. 2017-04-06T15:09:28.32 0.6 undecidable manual S 150 12.2766 140 -0.04 50
IV.OFFI.HHE. 2017-04-06T15:09:28.36 0.3 undecidable manual P 37 35.742 106 -0.23 70
IV.MC2.EHZ. 2017-04-06T15:09:28.05 0.3 undecidable manual P 324 31.8459 109 0.04 72
IV.NRCA.HHZ. 2017-04-06T15:09:27.64 0.1 undecidable manual P 305 30.1476 110 -0.12 95
IV.RM33.EHZ. 2017-04-06T15:09:27.04 0.1 undecidable manual P 221 25.1526 115 -0.02 98
IV.T1212.EHZ. 2017-04-06T15:09:27.91 0.1 undecidable manual P 285 31.5462 109 -0.05 96
IV.T1245.HHZ. 2017-04-06T15:09:27.31 0.1 undecidable manual P 316 27.1506 113 -0.04 97
IV.GIGS.HHZ. 2017-04-06T15:09:27.43 0.1 undecidable manual P 153 28.0497 112 -0.04 98
IV.SMA1.EHZ. 2017-04-06T15:09:27.49 0.3 undecidable manual S 232 8.6802 150 -0.31 71
IV.T1218.EHZ. 2017-04-06T15:09:26.89 0.1 undecidable manual P 268 24.753 116 -0.11 96
IV.T1214.HNE. 2017-04-06T15:09:26.36 0.1 undecidable manual P 298 19.2696 124 0.09 98
IV.T1241.EHZ. 2017-04-06T15:09:26.38 0.1 undecidable manual P 3 19.6692 123 0.05 98
IV.SMA1.EHZ. 2017-04-06T15:09:25.21 0.1 undecidable manual P 232 8.6802 150 0.07 100
IV.CAMP.HHE. 2017-04-06T15:09:25.91 0.1 undecidable manual P 183 15.873 131 0.05 99
IV.TERO.HHN. 2017-04-06T15:09:25.98 0.1 undecidable manual P 112 16.3725 130 0.07 98
IV.T1299.EHZ. 2017-04-06T15:09:25.56 0.1 undecidable manual P 246 12.1767 140 0.11 99
IV.T1246.HHN. 2017-04-06T15:09:25.58 0.1 undecidable manual P 150 12.2766 140 0.12 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.2 0.0000385 0.2 AML other m 2017-04-06T15:09:37.37
IV.FDMO.HHE. ML:1.1 0.0000312 0.58 AML other m 2017-04-06T15:09:37.38
IV.NRCA.HHE. ML:1.2 0.0000657 0.18 AML other m 2017-04-06T15:09:32.31
IV.NRCA.HHN. ML:1.1 0.00005235 0.16 AML other m 2017-04-06T15:09:32.32
IV.SMA1.EHN. ML:1.6 0.0003275 0.1 AML other m 2017-04-06T15:09:27.76
IV.SMA1.EHE. ML:1.6 0.0003085 0.08 AML other m 2017-04-06T15:09:27.85
IV.T1241.EHE. ML:1.4 0.00016299999999999998 0.24 AML other m 2017-04-06T15:09:30.00
IV.T1241.EHN. ML:1.0 0.00005935 0.2 AML other m 2017-04-06T15:09:30.16
IV.T1245.HHE. ML:1.3 0.00008885 1.84 AML other m 2017-04-06T15:09:31.94
IV.T1245.HHN. ML:1.2 0.0000692 0.16 AML other m 2017-04-06T15:09:32.17
IV.T1299.EHN. ML:1.4 0.0001685 0.16 AML other m 2017-04-06T15:09:28.57
IV.T1299.EHE. ML:1.1 0.0000955 0.44 AML other m 2017-04-06T15:09:28.57
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