Earthquake with magnitude of ML 1.1 on date 19-03-2017 and time 12:03:49 (Italy) in region 7 km NW Accumoli (RI)

A magnitude ML 1.1 earthquake occured in region: 7 km NW Accumoli (RI), on

  • 19-03-2017 11:03:49 (UTC)
  • 19-03-2017 12:03:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7350, 13.1850 at 9 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 7 667 667
Norcia PG 10 4957 5624
Arquata del Tronto AP 10 1178 6802
Cittareale RI 13 482 7284
Cascia PG 14 3217 10501
Amatrice RI 14 2657 13158
Montegallo AP 17 523 13681
Castelsantangelo sul Nera MC 18 281 13962
Acquasanta Terme AP 19 2916 16878
Preci PG 20 724 17602

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
46 Km NW of L'Aquila (69753 inhabitants)
46 Km SE of Foligno (57155 inhabitants)
48 Km E of Terni (111501 inhabitants)
77 Km SE of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km W of Chieti (51815 inhabitants)
91 Km NE of Tivoli (56533 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
Reviewed
Rev100
ML 1.1 2017-03-19
11:03:49
42.735 13.1853 9 2017-03-19
11:12:51
Sala Sismica INGV-Roma 42638821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-19 11:03:49 ± 0.05
Latitude 42.7350 ± 0.0027
Longitude 13.1853 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 42638821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 371
Semi-minor axis of confidence ellipse (meter) 132
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 262
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
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 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.02968
Epicentral distance of station farthest from the epicenter (degree) 0.34714
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 42638821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-19 11:12:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2017-03-19T11:04:02.21 0.3 undecidable manual S 110 36.3414 50 0.13 72
IV.T1211.HNE. 2017-03-19T11:04:02.05 0.3 undecidable manual S 230 35.0427 50 0.31 69
IV.T1219.EHZ. 2017-03-19T11:04:02.45 0.6 undecidable manual S 338 38.5281 50 -0.21 47
IV.RM33.EHZ. 2017-03-19T11:03:58.50 0.3 undecidable manual S 175 25.1526 109 -0.22 72
IV.ARRO.EHZ. 2017-03-19T11:03:57.23 0.6 undecidable manual P 243 38.3283 50 0.18 47
IV.T1219.EHZ. 2017-03-19T11:03:57.08 0.3 undecidable manual P 338 38.5281 50 0 73
IV.MC2.EHZ. 2017-03-19T11:03:57.20 0.3 undecidable manual S 1 19.5693 114 0.29 71
IV.FDMO.HHZ. 2017-03-19T11:03:56.14 0.3 undecidable manual P 347 34.3434 50 -0.3 69
IV.TERO.HHZ. 2017-03-19T11:03:56.68 0.3 positive manual P 110 36.3414 50 -0.06 73
IV.T1211.HNE. 2017-03-19T11:03:56.08 0.6 undecidable manual P 230 35.0427 50 -0.47 44
IV.RM33.EHZ. 2017-03-19T11:03:54.88 0.3 undecidable manual P 175 25.1526 109 0.08 74
IV.T1216.EHZ. 2017-03-19T11:03:54.25 0.6 undecidable manual P 322 21.9669 112 0.06 50
IV.T1212.EHZ. 2017-03-19T11:03:54.46 0.3 undecidable manual S 279 11.5773 128 -0.06 76
IV.SMA1.EHZ. 2017-03-19T11:03:53.39 0.6 undecidable manual P 133 16.872 118 0.13 49
IV.T1218.EHZ. 2017-03-19T11:03:53.94 0.3 undecidable manual S 218 9.1797 134 0.05 76
IV.MC2.EHZ. 2017-03-19T11:03:53.98 0.6 undecidable manual P 1 19.5693 114 0.23 48
IV.T1218.EHZ. 2017-03-19T11:03:52.14 0.1 undecidable manual P 218 9.1797 134 0.13 100
IV.T1299.EHZ. 2017-03-19T11:03:52.81 0.6 undecidable manual P 145 13.6752 123 0.09 50
IV.T1212.EHZ. 2017-03-19T11:03:52.32 0.3 undecidable manual P 279 11.5773 128 -0.06 76
IV.T1245.HHZ. 2017-03-19T11:03:52.75 0.3 undecidable manual P 1 13.4754 123 0.07 75
IV.T1214.EHE. 2017-03-19T11:03:51.04 0.1 undecidable manual P 35 3.2967 160 -0.31 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.2 0.000134 0.76 AML other m 2017-03-19T11:03:59.42
IV.SMA1.EHN. ML:1.1 0.0001215 0.54 AML other m 2017-03-19T11:04:01.53
IV.T1218.EHE. ML:1.2 0.000235 1.3 AML other m 2017-03-19T11:03:54.13
IV.T1218.EHN. ML:1.4 0.00034950000000000004 0.42 AML other m 2017-03-19T11:03:54.05
IV.T1299.EHN. ML:1.0 0.00009465 0.98 AML other m 2017-03-19T11:03:56.02
IV.T1299.EHE. ML:0.8 0.00007215 0.78 AML other m 2017-03-19T11:03:58.83
IV.TERO.HHE. ML:0.9 0.0000315 1.06 AML other m 2017-03-19T11:04:04.91
IV.TERO.HHN. ML:1.0 0.000033 0.5 AML other m 2017-03-19T11:04:05.44
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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