Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 07-03-2017 and time 03:25:27 (Italy) in region 4 km NW Accumoli (RI)

A magnitude ML 1.7 earthquake occured in region: 4 km NW Accumoli (RI), on

  • 07-03-2017 02:25:27 (UTC)
  • 07-03-2017 03:25:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7280, 13.2240 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.

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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 4 667 667
Arquata del Tronto AP 8 1178 1845
Amatrice RI 12 2657 4502
Norcia PG 13 4957 9459
Cittareale RI 13 482 9941
Montegallo AP 16 523 10464
Acquasanta Terme AP 16 2916 13380
Cascia PG 17 3217 16597
Castelsantangelo sul Nera MC 20 281 16878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Teramo (54892 inhabitants)
44 Km NW of L'Aquila (69753 inhabitants)
49 Km SE of Foligno (57155 inhabitants)
51 Km E of Terni (111501 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
80 Km SE of Perugia (166134 inhabitants)
86 Km W of Pescara (121014 inhabitants)
88 Km W of Chieti (51815 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km NE of Tivoli (56533 inhabitants)
98 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 1.7 2017-03-07
02:25:27		 42.7278 13.2237 12 2017-03-07
02:58:28		 Sala Sismica INGV-Roma 42066271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-07 02:25:27 ± 0.04
Latitude 42.7278 ± 0.0018
Longitude 13.2237 ± 0.0037
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 42066271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 274
Semi-minor axis of confidence ellipse (meter) 123
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 60
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39660
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 21
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 42066271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-07 02:58:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HNZ. 2017-03-07T02:25:41.10 0.3 undecidable manual S 14 38.2284 92 0.74 59
IV.CESI.HHZ. 2017-03-07T02:25:40.92 0.3 undecidable manual S 320 40.2264 92 0.03 70
IV.T1211.EHZ. 2017-03-07T02:25:40.06 0.1 undecidable manual S 234 37.0296 92 0.02 95
IV.T1222.EHZ. 2017-03-07T02:25:40.56 0.1 undecidable manual S 203 39.3273 92 -0.08 93
IV.T1215.EHZ. 2017-03-07T02:25:38.18 0.1 undecidable manual S 286 30.0477 93 0 95
IV.ASSB.HHZ. 2017-03-07T02:25:38.08 3.0 undecidable manual P -0.05 0
IV.T1247.HHZ. 2017-03-07T02:25:38.89 0.1 undecidable manual S 169 32.3454 93 0.1 94
IV.FEMA.HNE. 2017-03-07T02:25:37.93 0.3 undecidable manual S 332 29.5482 93 -0.13 70
IV.T1246.HHE. 2017-03-07T02:25:37.23 0.1 undecidable manual S 126 27.1506 93 -0.19 93
IV.T1216.EHZ. 2017-03-07T02:25:36.54 0.1 undecidable manual S 317 24.5532 94 -0.18 93
IV.T1217.EHZ. 2017-03-07T02:25:36.43 0.1 undecidable manual S 266 23.8539 95 -0.11 94
IV.RM33.EHZ. 2017-03-07T02:25:36.69 0.1 undecidable manual S 182 24.2535 94 0.05 96
IV.CAMP.HHZ. 2017-03-07T02:25:36.79 0.1 undecidable manual S 145 26.1516 94 -0.34 90
IV.OFFI.HHN. 2017-03-07T02:25:36.64 0.1 undecidable manual P 58 44.0226 92 0.73 77
IV.T1222.EHZ. 2017-03-07T02:25:35.03 0.1 undecidable manual P 203 39.3273 92 -0.14 91
IV.T1219.EHZ. 2017-03-07T02:25:35.20 3.0 undecidable manual P -0.09 0
IV.MC2.EHZ. 2017-03-07T02:25:35.67 0.1 undecidable manual S 352 20.5683 96 0.02 97
IV.T1220.EHZ. 2017-03-07T02:25:35.89 3.0 negative manual P 0.09 0
IV.CESI.HHZ. 2017-03-07T02:25:35.21 0.3 undecidable manual P 320 40.2264 92 -0.1 69
IV.T1241.EHZ. 2017-03-07T02:25:35.64 0.1 undecidable manual S 50 22.0668 95 -0.42 89
IV.GUMA.HNZ. 2017-03-07T02:25:35.25 0.3 undecidable manual P 14 38.2284 92 0.24 68
IV.GIGS.HHZ. 2017-03-07T02:25:35.21 3.0 negative manual P -0.28 0
IV.T1247.HHZ. 2017-03-07T02:25:34.46 0.1 undecidable manual P 169 32.3454 93 0.36 89
IV.T1212.EHZ. 2017-03-07T02:25:34.04 0.1 undecidable manual S 280 14.7741 107 -0.11 96
IV.ARRO.EHZ. 2017-03-07T02:25:34.77 3.0 positive manual P -0.64 0
IV.T1211.EHZ. 2017-03-07T02:25:34.82 0.1 undecidable manual P 234 37.0296 92 0 94
IV.SMA1.EHZ. 2017-03-07T02:25:33.84 0.1 undecidable manual S 140 14.0748 109 -0.13 97
IV.FEMA.HNE. 2017-03-07T02:25:33.59 0.3 undecidable manual P 332 29.5482 93 -0.09 70
IV.CAMP.HHZ. 2017-03-07T02:25:33.01 0.1 negative manual P 145 26.1516 94 -0.13 94
IV.T1218.EHZ. 2017-03-07T02:25:33.30 0.1 undecidable manual S 234 10.878 122 0.1 96
IV.TERO.HHZ. 2017-03-07T02:25:33.93 3.0 negative manual P -0.17 0
IV.T1246.HHE. 2017-03-07T02:25:33.14 0.1 undecidable manual P 126 27.1506 93 -0.17 93
IV.T1215.EHZ. 2017-03-07T02:25:33.69 0.1 undecidable manual P 286 30.0477 93 -0.06 94
IV.T1299.EHZ. 2017-03-07T02:25:33.43 0.1 undecidable manual S 155 11.3775 120 0.12 96
IV.T1256.HHZ. 2017-03-07T02:25:33.84 3.0 negative manual P 0.11 0
IV.T1245.HHZ. 2017-03-07T02:25:33.98 0.1 undecidable manual S 349 14.5743 108 -0.1 96
IV.T1241.EHZ. 2017-03-07T02:25:32.38 0.1 positive manual P 50 22.0668 95 -0.15 94
IV.T1216.EHZ. 2017-03-07T02:25:32.79 0.1 undecidable manual P 317 24.5532 94 -0.12 94
IV.T1217.EHZ. 2017-03-07T02:25:32.84 0.1 undecidable manual P 266 23.8539 95 0.04 97
IV.MC2.EHZ. 2017-03-07T02:25:32.34 0.1 positive manual P 352 20.5683 96 0.05 97
IV.RM33.EHZ. 2017-03-07T02:25:32.87 0.1 positive manual P 182 24.2535 94 0.01 97
IV.T1214.EHZ. 2017-03-07T02:25:31.85 0.1 undecidable manual S 341 3.6963 158 -0.11 100
IV.T1245.HHZ. 2017-03-07T02:25:31.42 0.1 undecidable manual P 349 14.5743 108 0.04 98
IV.SMA1.EHZ. 2017-03-07T02:25:31.34 0.1 negative manual P 140 14.0748 109 0.02 98
IV.T1218.EHZ. 2017-03-07T02:25:31.03 0.1 positive manual P 234 10.878 122 0.16 96
IV.T1212.EHZ. 2017-03-07T02:25:31.50 0.1 undecidable manual P 280 14.7741 107 0.08 97
IV.T1299.EHZ. 2017-03-07T02:25:31.16 0.1 negative manual P 155 11.3775 120 0.22 94
IV.T1214.EHZ. 2017-03-07T02:25:30.29 0.1 undecidable manual P 341 3.6963 158 0.14 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:1.5 0.00016399999999999997 0.18 AML other m 2017-03-07T02:25:37.02
IV.CAMP.HHN. ML:1.3 0.0001092 1.56 AML other m 2017-03-07T02:25:37.09
IV.RM33.HNN. ML:1.8 0.0003645 1.18 AML other m 2017-03-07T02:25:37.94
IV.RM33.HNE. ML:1.8 0.0003915 0.26 AML other m 2017-03-07T02:25:37.36
IV.RM33.EHE. ML:1.9 0.00042400000000000006 0.28 AML other m 2017-03-07T02:25:37.23
IV.RM33.EHN. ML:1.7 0.00032299999999999994 0.26 AML other m 2017-03-07T02:25:36.95
IV.SMA1.EHE. ML:1.5 0.0003135 0.64 AML other m 2017-03-07T02:25:33.62
IV.SMA1.EHN. ML:1.5 0.00028849999999999997 1.58 AML other m 2017-03-07T02:25:35.04
IV.T1212.EHE. ML:1.6 0.00038899999999999997 0.28 AML other m 2017-03-07T02:25:34.26
IV.T1212.EHN. ML:1.7 0.00048049999999999997 0.34 AML other m 2017-03-07T02:25:34.42
IV.T1212.HNN. ML:1.7 0.00047200000000000003 0.34 AML other m 2017-03-07T02:25:34.42
IV.T1212.HNE. ML:1.6 0.00039400000000000004 0.3 AML other m 2017-03-07T02:25:34.26
IV.T1214.EHN. ML:1.8 0.000879 1.84 AML other m 2017-03-07T02:25:32.93
IV.T1214.HNN. ML:1.8 0.0009105 1.7 AML other m 2017-03-07T02:25:32.92
IV.T1214.EHE. ML:1.9 0.001105 0.24 AML other m 2017-03-07T02:25:32.02
IV.T1214.HNE. ML:1.9 0.001215 0.24 AML other m 2017-03-07T02:25:32.02
IV.T1216.EHE. ML:1.6 0.000214 1.52 AML other m 2017-03-07T02:25:36.83
IV.T1216.EHN. ML:1.6 0.00020750000000000003 0.3 AML other m 2017-03-07T02:25:38.92
IV.T1217.HNN. ML:1.8 0.000345 1.24 AML other m 2017-03-07T02:25:37.79
IV.T1217.HNE. ML:1.7 0.00027550000000000003 0.24 AML other m 2017-03-07T02:25:36.80
IV.T1217.EHE. ML:1.6 0.00023050000000000002 1.3 AML other m 2017-03-07T02:25:37.68
IV.T1217.EHN. ML:1.8 0.0003815 1.26 AML other m 2017-03-07T02:25:37.80
IV.T1219.HNN. ML:2.2 0.0005105 0.2 AML other m 2017-03-07T02:25:41.43
IV.T1219.HNE. ML:1.8 0.000215 0.28 AML other m 2017-03-07T02:25:41.31
IV.T1241.EHN. ML:1.6 0.00028050000000000004 0.36 AML other m 2017-03-07T02:25:35.72
IV.T1241.EHE. ML:1.5 0.000188 0.38 AML other m 2017-03-07T02:25:36.20
IV.T1245.HHN. ML:2.0 0.0008160000000000001 0.2 AML other m 2017-03-07T02:25:35.20
IV.T1245.HNN. ML:2.0 0.0008625000000000001 0.18 AML other m 2017-03-07T02:25:35.10
IV.T1245.HNE. ML:1.8 0.000693 0.38 AML other m 2017-03-07T02:25:34.27
IV.T1245.HHE. ML:1.8 0.0006699999999999999 0.38 AML other m 2017-03-07T02:25:34.08
IV.T1247.HHE. ML:1.9 0.0003135 1.42 AML other m 2017-03-07T02:25:40.85
IV.T1247.HHN. ML:1.9 0.0003515 1.16 AML other m 2017-03-07T02:25:40.15
IV.T1299.EHN. ML:1.5 0.0003435 0.38 AML other m 2017-03-07T02:25:33.50
IV.T1299.HNE. ML:1.6 0.00044599999999999994 0.82 AML other m 2017-03-07T02:25:33.57
IV.T1299.HNN. ML:1.6 0.000402 1 AML other m 2017-03-07T02:25:34.19
IV.T1299.EHE. ML:1.6 0.00039850000000000004 0.44 AML other m 2017-03-07T02:25:33.57
IV.TERO.HHN. ML:1.6 0.0001665 0.28 AML other m 2017-03-07T02:25:39.19
IV.TERO.HHE. ML:1.5 0.0001255 0.68 AML other m 2017-03-07T02:25:39.09
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