Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 02-03-2017 and time 18:31:58 (Italy) in region 8 km W Accumoli (RI)

A magnitude ML 1.7 earthquake occured in region: 8 km W Accumoli (RI), on

  • 02-03-2017 17:31:58 (UTC)
  • 02-03-2017 18:31:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7080, 13.1550 at 11 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
Accumoli RI 8 667 667
Cittareale RI 10 482 1149
Norcia PG 11 4957 6106
Cascia PG 12 3217 9323
Arquata del Tronto AP 14 1178 10501
Amatrice RI 14 2657 13158
Monteleone di Spoleto PG 18 599 13757
Poggiodomo PG 18 117 13874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NW of L'Aquila (69753 inhabitants)
45 Km E of Terni (111501 inhabitants)
45 Km W of Teramo (54892 inhabitants)
46 Km SE of Foligno (57155 inhabitants)
77 Km SE of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
86 Km NE of Guidonia Montecelio (88673 inhabitants)
88 Km NE of Tivoli (56533 inhabitants)
91 Km W of Pescara (121014 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
92 Km W of Chieti (51815 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 2017-03-02
17:31:58		 42.7077 13.1553 11 2017-03-02
17:44:06		 Sala Sismica INGV-Roma 41856921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-02 17:31:58 ± 0.03
Latitude 42.7077 ± 0.0018
Longitude 13.1553 ± 0.0024
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 41856921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 218
Semi-minor axis of confidence ellipse (meter) 190
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39930
Number of stations at which the event was observed 32
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 22
Type of magnitude ML
Reference to an origin 41856921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-02 17:44:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2017-03-02T17:32:21.59 3.0 undecidable manual S 0.02 0
IV.GIGS.HHZ. 2017-03-02T17:32:13.03 0.1 undecidable manual S 129 44.3223 50 -0.21 92
IV.T1219.EHZ. 2017-03-02T17:32:12.24 0.1 undecidable manual S 342 40.5261 50 0 96
IV.EL6.EHZ. 2017-03-02T17:32:11.73 3.0 positive manual P 0.09 0
IV.T0110.HHZ. 2017-03-02T17:32:11.87 3.0 negative manual P -0.34 0
IV.FDMO.HHZ. 2017-03-02T17:32:11.38 0.6 undecidable manual S 351 36.9297 50 0.11 47
IV.T1222.EHZ. 2017-03-02T17:32:10.77 0.3 undecidable manual S 196 35.3424 50 -0.08 72
IV.ATCC.EHZ. 2017-03-02T17:32:10.96 3.0 undecidable manual P -0.45 0
IV.ARRO.EHZ. 2017-03-02T17:32:10.86 0.6 undecidable manual S 246 34.8429 50 0.14 47
IV.OFFI.HHZ. 2017-03-02T17:32:09.00 3.0 positive manual P 0.62 0
IV.T1211.EHZ. 2017-03-02T17:32:09.41 0.3 undecidable manual S 232 31.2465 50 -0.35 68
IV.ASSB.HHZ. 2017-03-02T17:32:09.66 3.0 undecidable manual P 0.34 0
IV.T1241.EHZ. 2017-03-02T17:32:08.65 0.6 undecidable manual S 54 27.8499 50 -0.21 47
IV.MC2.EHZ. 2017-03-02T17:32:08.03 0.3 undecidable manual S 7 22.755 50 0.53 66
IV.CAMP.HHZ. 2017-03-02T17:32:08.80 0.6 undecidable manual S 133 28.1496 50 -0.13 48
IV.MOMA.HHZ. 2017-03-02T17:32:08.27 3.0 positive manual P -0.04 0
IV.T1215.EHZ. 2017-03-02T17:32:08.21 0.6 undecidable manual S 294 25.5522 50 -0.04 49
IV.CESX.HHZ. 2017-03-02T17:32:08.02 3.0 positive manual P -0.06 0
IV.FIAM.HHZ. 2017-03-02T17:32:07.97 3.0 positive manual P -0.16 0
IV.T1216.EHZ. 2017-03-02T17:32:07.30 0.3 undecidable manual S 331 23.1546 50 -0.29 70
IV.T1220.EHZ. 2017-03-02T17:32:07.38 3.0 negative manual P -0.25 0
IV.SMA1.EHZ. 2017-03-02T17:32:06.13 0.1 undecidable manual S 120 16.9719 50 0.17 97
IV.T1219.EHZ. 2017-03-02T17:32:06.52 0.1 undecidable manual P 342 40.5261 50 -0.1 94
IV.T1217.HNZ. 2017-03-02T17:32:06.29 0.1 undecidable manual S 272 18.2706 50 0 100
IV.GIGS.HHZ. 2017-03-02T17:32:06.95 0.1 undecidable manual P 129 44.3223 50 -0.25 91
IV.FDMO.HHZ. 2017-03-02T17:32:06.06 0.1 undecidable manual P 351 36.9297 50 0 97
IV.ARRO.EHZ. 2017-03-02T17:32:05.81 0.1 undecidable manual P 246 34.8429 50 0.06 96
IV.T1247.HHZ. 2017-03-02T17:32:05.98 3.0 positive manual P 0.7 0
IV.T1222.EHZ. 2017-03-02T17:32:05.79 0.1 undecidable manual P 196 35.3424 50 -0.03 97
IV.LNSS.HHZ. 2017-03-02T17:32:05.51 0.6 undecidable manual S 219 14.9739 126 0.11 49
IV.TERO.HHZ. 2017-03-02T17:32:05.95 3.0 positive manual P -0.35 0
IV.T1245.HHZ. 2017-03-02T17:32:05.72 0.3 undecidable manual S 9 16.7721 50 -0.17 73
IV.T1211.EHZ. 2017-03-02T17:32:05.20 0.1 undecidable manual P 232 31.2465 50 0.01 98
IV.T1215.EHZ. 2017-03-02T17:32:04.35 0.1 positive manual P 294 25.5522 50 0.03 98
IV.NRCA.HNZ. 2017-03-02T17:32:04.90 0.6 undecidable manual S 347 14.3745 128 -0.34 47
IV.T1241.EHZ. 2017-03-02T17:32:04.60 0.1 positive manual P 54 27.8499 50 -0.07 97
IV.T1212.EHZ. 2017-03-02T17:32:04.00 0.1 undecidable manual S 298 10.2786 137 -0.18 98
IV.MC2.EHZ. 2017-03-02T17:32:04.00 0.1 undecidable manual P 7 22.755 50 0.11 97
IV.CAMP.HHZ. 2017-03-02T17:32:04.67 0.3 positive manual P 133 28.1496 50 -0.04 73
IV.T1216.EHZ. 2017-03-02T17:32:04.02 0.1 undecidable manual P 331 23.1546 50 0.08 98
IV.RM33.EHZ. 2017-03-02T17:32:03.90 0.6 undecidable manual Pn 0.09 0.89
IV.T1214.EHZ. 2017-03-02T17:32:03.31 0.1 undecidable manual S 37 7.1928 147 -0.22 98
IV.T1245.HHZ. 2017-03-02T17:32:03.00 0.1 undecidable manual P 9 16.7721 50 0.05 99
IV.SMA1.EHZ. 2017-03-02T17:32:03.16 0.3 undecidable manual P 120 16.9719 50 0.16 73
IV.T1217.HNZ. 2017-03-02T17:32:03.33 0.3 positive manual P 272 18.2706 50 0.14 73
IV.T1218.HNZ. 2017-03-02T17:32:02.98 0.1 undecidable manual S 218 5.2947 154 -0.22 98
IV.LNSS.HHZ. 2017-03-02T17:32:02.88 0.1 positive manual P 219 14.9739 126 0.2 97
IV.T1299.EHZ. 2017-03-02T17:32:02.59 0.1 undecidable manual P 128 13.1757 130 0.19 97
IV.NRCA.HNZ. 2017-03-02T17:32:02.62 0.1 undecidable manual P 347 14.3745 128 0.04 100
IV.T1212.EHZ. 2017-03-02T17:32:02.15 0.1 undecidable manual P 298 10.2786 137 0.18 98
IV.T1218.HNZ. 2017-03-02T17:32:01.61 0.1 undecidable manual P 218 5.2947 154 0.2 98
IV.T1214.EHZ. 2017-03-02T17:32:01.71 0.1 undecidable manual P 37 7.1928 147 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:1.4 0.0000891 1.3 AML other m 2017-03-02T17:32:12.68
IV.ARRO.EHE. ML:1.5 0.0001265 0.9 AML other m 2017-03-02T17:32:13.79
IV.ASSB.HHN. ML:1.6 0.0000915 0.8 AML other m 2017-03-02T17:32:18.13
IV.ASSB.HHE. ML:1.5 0.00007885 1.42 AML other m 2017-03-02T17:32:18.19
IV.CAMP.HHN. ML:1.2 0.00007519999999999998 1.58 AML other m 2017-03-02T17:32:09.83
IV.CAMP.HHE. ML:1.2 0.0000786 0.36 AML other m 2017-03-02T17:32:19.98
IV.CESX.HHE. ML:1.4 0.00006535 0.46 AML other m 2017-03-02T17:32:16.39
IV.CESX.HHN. ML:1.4 0.000064 0.78 AML other m 2017-03-02T17:32:16.75
IV.FDMO.HHE. ML:1.3 0.0000732 0.26 AML other m 2017-03-02T17:32:12.32
IV.FDMO.HHN. ML:1.2 0.00005415 1.62 AML other m 2017-03-02T17:32:11.98
IV.LNSS.HHE. ML:2.1 0.0012850000000000001 0.2 AML other m 2017-03-02T17:32:05.71
IV.LNSS.HHN. ML:1.9 0.0008265 0.36 AML other m 2017-03-02T17:32:06.34
IV.MOMA.HHN. ML:1.4 0.00006925 1.24 AML other m 2017-03-02T17:32:17.80
IV.MOMA.HHE. ML:1.5 0.00009185 1.26 AML other m 2017-03-02T17:32:17.34
IV.OFFI.HHE. ML:1.8 0.00016549999999999998 0.76 AML other m 2017-03-02T17:32:19.43
IV.OFFI.HHN. ML:1.9 0.000209 0.58 AML other m 2017-03-02T17:32:18.02
IV.RM33.EHN. ML:1.6 0.00022399999999999997 1 AML other m 2017-03-02T17:32:08.53
IV.RM33.EHE. ML:1.5 0.000193 0.54 AML other m 2017-03-02T17:32:08.64
IV.SMA1.EHE. ML:1.9 0.000675 0.26 AML other m 2017-03-02T17:32:06.45
IV.SMA1.EHN. ML:1.9 0.000605 0.32 AML other m 2017-03-02T17:32:07.26
IV.T1211.HNE. ML:1.9 0.00039349999999999997 0.08 AML other m 2017-03-02T17:32:10.48
IV.T1211.EHN. ML:2.0 0.000411 0.34 AML other m 2017-03-02T17:32:10.33
IV.T1211.HNN. ML:2.0 0.0004305 0.34 AML other m 2017-03-02T17:32:10.33
IV.T1211.EHE. ML:1.9 0.0003865 0.08 AML other m 2017-03-02T17:32:10.52
IV.T1212.EHN. ML:2.1 0.00147 0.08 AML other m 2017-03-02T17:32:04.13
IV.T1212.HNN. ML:2.1 0.0013700000000000001 0.08 AML other m 2017-03-02T17:32:04.13
IV.T1212.HNE. ML:2.1 0.001355 0.08 AML other m 2017-03-02T17:32:04.13
IV.T1212.EHE. ML:2.1 0.001445 0.08 AML other m 2017-03-02T17:32:04.13
IV.T1214.HNE. ML:1.9 0.0011099999999999999 0.3 AML other m 2017-03-02T17:32:04.19
IV.T1214.EHE. ML:1.9 0.0010505 0.3 AML other m 2017-03-02T17:32:04.19
IV.T1214.HNN. ML:1.8 0.0008020000000000001 0.54 AML other m 2017-03-02T17:32:03.70
IV.T1214.EHN. ML:1.7 0.000778 0.56 AML other m 2017-03-02T17:32:03.71
IV.T1215.EHE. ML:1.5 0.000179 0.78 AML other m 2017-03-02T17:32:09.64
IV.T1215.EHN. ML:1.4 0.0001261 1.34 AML other m 2017-03-02T17:32:09.05
IV.T1216.EHN. ML:1.7 0.00032 0.88 AML other m 2017-03-02T17:32:08.45
IV.T1216.EHE. ML:1.7 0.000308 0.6 AML other m 2017-03-02T17:32:09.53
IV.T1217.EHN. ML:1.5 0.000259 0.6 AML other m 2017-03-02T17:32:08.33
IV.T1217.EHE. ML:1.4 0.000214 0.58 AML other m 2017-03-02T17:32:07.32
IV.T1219.EHN. ML:1.4 0.00008665 0.26 AML other m 2017-03-02T17:32:12.77
IV.T1219.EHE. ML:1.4 0.00008965000000000001 0.48 AML other m 2017-03-02T17:32:13.40
IV.T1241.EHE. ML:1.7 0.000244 0.44 AML other m 2017-03-02T17:32:09.51
IV.T1241.EHN. ML:1.4 0.00011899999999999999 1.14 AML other m 2017-03-02T17:32:09.64
IV.T1245.HNN. ML:1.9 0.000733 1.36 AML other m 2017-03-02T17:32:06.26
IV.T1245.HHN. ML:1.9 0.0006575 1.36 AML other m 2017-03-02T17:32:06.27
IV.T1245.HHE. ML:1.8 0.0006435 0.6 AML other m 2017-03-02T17:32:06.95
IV.T1245.HNE. ML:1.8 0.0006115 1.24 AML other m 2017-03-02T17:32:07.94
IV.T1247.HHN. ML:1.8 0.00030600000000000007 0.18 AML other m 2017-03-02T17:32:10.26
IV.T1247.HHE. ML:1.7 0.0002395 0.34 AML other m 2017-03-02T17:32:20.80
IV.T1299.HNE. ML:1.6 0.000354 1 AML other m 2017-03-02T17:32:05.37
IV.T1299.EHE. ML:1.6 0.0003555 0.98 AML other m 2017-03-02T17:32:05.38
IV.T1299.HNN. ML:1.6 0.000426 1.3 AML other m 2017-03-02T17:32:06.13
IV.T1299.EHN. ML:1.5 0.0003345 0.16 AML other m 2017-03-02T17:32:05.20
IV.TERO.HHE. ML:1.7 0.000183 1.2 AML other m 2017-03-02T17:32:12.08
IV.TERO.HHN. ML:1.8 0.00021650000000000003 0.54 AML other m 2017-03-02T17:32:12.23
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