Earthquake with magnitude of ML 1.3 on date 05-04-2017 and time 16:23:46 (Italy) in region 2 km SW Accumoli (RI)

A magnitude ML 1.3 earthquake occured in region: 2 km SW Accumoli (RI), on

  • 05-04-2017 14:23:46 (UTC)
  • 05-04-2017 16:23:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6770, 13.2380 at 13 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.

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 2 667 667
Amatrice RI 7 2657 3324
Cittareale RI 9 482 3806
Arquata del Tronto AP 12 1178 4984
Montereale AQ 17 2581 7565
Campotosto AQ 17 542 8107
Acquasanta Terme AP 18 2916 11023
Norcia PG 18 4957 15980
Capitignano AQ 18 665 16645
Cascia PG 19 3217 19862

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of Teramo (54892 inhabitants)
38 Km NW of L'Aquila (69753 inhabitants)
50 Km E of Terni (111501 inhabitants)
54 Km SE of Foligno (57155 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
83 Km W of Pescara (121014 inhabitants)
84 Km SE of Perugia (166134 inhabitants)
84 Km W of Chieti (51815 inhabitants)
86 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
97 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 1.3 2017-04-05
14:23:46
42.6767 13.2383 13 2017-04-05
14:30:47
Sala Sismica INGV-Roma 43419261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-05 14:23:46 ± 0.06
Latitude 42.6767 ± 0.0027
Longitude 13.2383 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 43419261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 300
Semi-minor axis of confidence ellipse (meter) 131
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 256
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41549
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 43419261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-05 14:30:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERT.HHZ. 2017-04-05T14:24:09.21 3.0 undecidable manual S -0.17 0
IV.T1219.EHZ. 2017-04-05T14:24:01.69 0.6 undecidable manual S 336 46.1205 93 0.07 48
IV.CSP1.EHZ. 2017-04-05T14:24:01.62 0.6 undecidable manual S 357 46.1205 93 0.01 48
IV.GIGS.HHZ. 2017-04-05T14:23:59.01 0.6 undecidable manual S 132 36.9297 95 -0.14 48
IV.T1211.EHZ. 2017-04-05T14:23:58.37 0.6 undecidable manual S 243 35.1426 95 -0.31 47
IV.TERO.HHZ. 2017-04-05T14:23:57.08 0.6 undecidable manual S 101 30.4473 96 -0.35 46
IV.T1216.EHZ. 2017-04-05T14:23:56.98 0.6 undecidable manual S 323 29.748 97 -0.26 47
IV.MMO1.EHZ. 2017-04-05T14:23:56.06 0.6 undecidable manual S 16 25.752 99 -0.13 49
IV.ASSB.HHZ. 2017-04-05T14:23:56.06 3.0 undecidable manual P -0.74 0
IV.MC2.EHZ. 2017-04-05T14:23:56.42 0.6 undecidable manual S 351 26.3514 98 0.07 50
IV.T1217.EHZ. 2017-04-05T14:23:55.80 0.6 undecidable manual S 279 25.3524 99 -0.29 48
IV.CSP1.EHZ. 2017-04-05T14:23:55.48 0.1 undecidable manual P 357 46.1205 93 0.12 95
IV.T1241.EHZ. 2017-04-05T14:23:55.85 0.6 undecidable manual S 38 25.3524 99 -0.24 47
IV.T1219.EHZ. 2017-04-05T14:23:55.38 0.1 undecidable manual P 336 46.1205 93 0.01 96
IV.RM33.EHZ. 2017-04-05T14:23:54.43 0.6 undecidable manual S 186 18.6702 107 0.07 50
IV.T1256.HHZ. 2017-04-05T14:23:54.25 3.0 negative manual P 0.48 0
IV.NRCA.HHZ. 2017-04-05T14:23:54.54 0.6 undecidable manual S 330 20.1687 104 -0.19 49
IV.T1245.HHZ. 2017-04-05T14:23:54.78 0.3 undecidable manual S 348 20.3685 104 -0.01 76
IV.GIGS.HHZ. 2017-04-05T14:23:53.70 0.1 undecidable manual P 132 36.9297 95 -0.24 94
IV.T1211.EHZ. 2017-04-05T14:23:53.75 1.0 undecidable manual P 243 35.1426 95 0.08 24
IV.T1212.EHZ. 2017-04-05T14:23:53.93 0.6 undecidable manual S 298 17.871 108 -0.21 49
IV.MC2.EHZ. 2017-04-05T14:23:52.54 0.1 undecidable manual P 351 26.3514 98 0.21 96
IV.T1241.EHZ. 2017-04-05T14:23:52.21 0.1 undecidable manual P 38 25.3524 99 0.03 100
IV.TERO.HHZ. 2017-04-05T14:23:52.84 1.0 undecidable manual P 101 30.4473 96 -0.11 24
IV.T1217.EHZ. 2017-04-05T14:23:52.30 0.6 negative manual P 279 25.3524 99 0.13 49
IV.T1216.EHZ. 2017-04-05T14:23:52.80 0.1 undecidable manual P 323 29.748 97 -0.04 99
IV.T1218.EHZ. 2017-04-05T14:23:52.05 0.6 undecidable manual S 266 10.0788 131 -0.28 49
IV.MMO1.EHZ. 2017-04-05T14:23:52.33 0.6 undecidable manual P 16 25.752 99 0.1 49
IV.T1245.HHZ. 2017-04-05T14:23:51.62 1.0 undecidable manual P 348 20.3685 104 0.2 24
IV.T1299.EHZ. 2017-04-05T14:23:51.48 0.6 undecidable manual S 143 5.8941 149 -0.14 50
IV.T1212.EHZ. 2017-04-05T14:23:51.19 0.6 negative manual P 298 17.871 108 0.14 49
IV.SMA1.EHZ. 2017-04-05T14:23:51.85 0.6 undecidable manual S 123 9.3795 134 -0.35 48
IV.RM33.EHZ. 2017-04-05T14:23:51.43 0.6 positive manual P 186 18.6702 107 0.26 48
IV.NRCA.HHZ. 2017-04-05T14:23:51.50 0.1 negative manual P 330 20.1687 104 0.12 99
IV.T1218.EHZ. 2017-04-05T14:23:50.23 0.6 undecidable manual P 266 10.0788 131 0.23 49
IV.SMA1.EHZ. 2017-04-05T14:23:50.18 0.1 negative manual P 123 9.3795 134 0.25 98
IV.T1299.EHZ. 2017-04-05T14:23:49.88 0.1 undecidable manual P 143 5.8941 149 0.29 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.2 0.0000312 1.44 AML other m 2017-04-05T14:24:10.74
IV.ASSB.HHE. ML:1.4 0.0000479 0.74 AML other m 2017-04-05T14:24:10.37
IV.NRCA.HHN. ML:2.1 0.0008425 0.12 AML other m 2017-04-05T14:23:54.70
IV.NRCA.HNN. ML:2.1 0.0008049999999999999 0.14 AML other m 2017-04-05T14:23:54.70
IV.NRCA.HHE. ML:1.9 0.0005045 0.16 AML other m 2017-04-05T14:23:54.64
IV.NRCA.HNE. ML:1.8 0.0004805 0.16 AML other m 2017-04-05T14:23:54.65
IV.RM33.EHE. ML:1.4 0.0001625 1.18 AML other m 2017-04-05T14:23:54.07
IV.RM33.EHN. ML:1.4 0.0001605 0.2 AML other m 2017-04-05T14:23:54.78
IV.SMA1.EHN. ML:1.2 0.0001725 0.1 AML other m 2017-04-05T14:23:52.24
IV.SMA1.EHE. ML:1.2 0.000162 0.54 AML other m 2017-04-05T14:23:52.30
IV.T1212.EHE. ML:1.0 0.00006765 0.34 AML other m 2017-04-05T14:23:54.26
IV.T1212.EHN. ML:0.9 0.000060200000000000006 0.74 AML other m 2017-04-05T14:23:56.43
IV.T1217.EHN. ML:1.3 0.00009764999999999999 0.28 AML other m 2017-04-05T14:23:56.43
IV.T1217.EHE. ML:1.2 0.00008579999999999998 0.76 AML other m 2017-04-05T14:23:56.70
IV.T1218.EHN. ML:1.6 0.00038849999999999996 0.24 AML other m 2017-04-05T14:23:52.56
IV.T1218.EHE. ML:1.2 0.0001565 0.16 AML other m 2017-04-05T14:23:52.89
IV.T1245.HHN. ML:1.5 0.00020800000000000001 0.3 AML other m 2017-04-05T14:23:56.64
IV.T1245.HHE. ML:1.3 0.000131 1.62 AML other m 2017-04-05T14:23:55.11
IV.T1299.EHE. ML:1.1 0.000169 0.16 AML other m 2017-04-05T14:23:51.74
IV.T1299.EHN. ML:1.3 0.00023299999999999997 0.12 AML other m 2017-04-05T14:23:51.66
IV.TERO.HHE. ML:1.1 0.000060299999999999995 1.26 AML other m 2017-04-05T14:23:57.19
IV.TERO.HHN. ML:1.3 0.00010185 0.26 AML other m 2017-04-05T14:23:58.18
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download