Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 04-03-2017 and time 00:40:23 (Italy) in region 5 km SW Accumoli (RI)

A magnitude ML 1.3 earthquake occured in region: 5 km SW Accumoli (RI), on

  • 03-03-2017 23:40:23 (UTC)
  • 04-03-2017 00:40:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6620, 13.2090 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 5 667 667
Cittareale RI 6 482 1149
Amatrice RI 8 2657 3806
Arquata del Tronto AP 14 1178 4984
Montereale AQ 16 2581 7565
Cascia PG 17 3217 10782
Norcia PG 17 4957 15739
Capitignano AQ 18 665 16404
Campotosto AQ 18 542 16946
Borbona RI 18 617 17563
Posta RI 18 694 18257

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of L'Aquila (69753 inhabitants)
41 Km W of Teramo (54892 inhabitants)
47 Km E of Terni (111501 inhabitants)
53 Km SE of Foligno (57155 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
85 Km W of Pescara (121014 inhabitants)
86 Km W of Chieti (51815 inhabitants)
94 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 2017-03-03
23:40:23		 42.6625 13.2088 12 2017-03-03
23:46:27		 Sala Sismica INGV-Roma 41925201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-03 23:40:23 ± 0.05
Latitude 42.6625 ± 0.0027
Longitude 13.2088 ± 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 41925201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 283
Semi-minor axis of confidence ellipse (meter) 157
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 336
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) 58
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 36
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33994
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 41925201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-03 23:46:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2017-03-03T23:40:50.71 3.0 undecidable manual S -2.68 0
IV.LIK.EHZ.01 2017-03-03T23:40:47.04 3.0 undecidable manual P 2.03 0
IV.T1219.EHZ. 2017-03-03T23:40:38.62 3.0 undecidable manual S -0.46 0
IV.ARRO.EHZ. 2017-03-03T23:40:36.08 0.6 undecidable manual S 256 37.3293 92 0.15 48
IV.GIGS.HHZ. 2017-03-03T23:40:35.74 0.6 undecidable manual S 128 37.7289 92 -0.29 46
IV.TERO.HHZ. 2017-03-03T23:40:34.11 0.6 undecidable manual S 98 32.5452 93 -0.54 45
IV.T1222.EHZ. 2017-03-03T23:40:34.40 0.6 undecidable manual S 206 32.2455 93 -0.16 47
IV.T1216.EHZ. 2017-03-03T23:40:34.41 0.3 undecidable manual S 329 29.6481 94 0.52 66
IV.T1211.EHZ. 2017-03-03T23:40:34.61 0.6 undecidable manual S 244 32.2455 93 0.03 49
IV.T1215.EHZ. 2017-03-03T23:40:34.24 0.6 undecidable manual S 299 31.746 93 -0.2 47
IV.MMO1.EHZ. 2017-03-03T23:40:33.33 0.6 undecidable manual S 20 27.9498 94 -0.1 49
IV.T1241.EHZ. 2017-03-03T23:40:33.15 0.6 undecidable manual S 40 28.1496 94 -0.32 47
IV.MC2.EHZ. 2017-03-03T23:40:33.68 1.0 undecidable manual S 357 27.6501 94 0.33 23
IV.T1220.EHZ. 2017-03-03T23:40:32.42 3.0 negative manual P -0.37 0
IV.GUMA.HHZ. 2017-03-03T23:40:32.33 3.0 negative manual P 0.35 0
IV.T1245.HHZ. 2017-03-03T23:40:31.78 0.6 undecidable manual S 355 21.5673 97 0.05 50
IV.T1217.EHZ. 2017-03-03T23:40:31.93 0.6 undecidable manual S 284 23.2545 96 -0.26 47
IV.T1212.EHZ. 2017-03-03T23:40:30.05 0.6 undecidable manual S 306 16.6722 104 -0.39 47
IV.ARRO.EHZ. 2017-03-03T23:40:30.65 0.6 negative manual P 256 37.3293 92 -0.03 48
IV.RM33.EHZ. 2017-03-03T23:40:30.57 0.6 undecidable manual S 178 17.0718 103 0.03 51
IV.GIGS.HHZ. 2017-03-03T23:40:30.70 1.0 negative manual P 128 37.7289 92 -0.03 24
IV.LNSS.HHZ. 2017-03-03T23:40:30.06 0.6 undecidable manual S 244 15.2736 107 -0.02 50
IV.T1216.EHZ. 2017-03-03T23:40:29.59 0.1 undecidable manual P 329 29.6481 94 0.1 97
IV.T1211.EHZ. 2017-03-03T23:40:29.86 1.0 positive manual P 244 32.2455 93 -0.04 24
IV.MC2.EHZ. 2017-03-03T23:40:29.31 0.1 undecidable manual P 357 27.6501 94 0.13 97
IV.T1215.EHZ. 2017-03-03T23:40:29.69 1.0 negative manual P 299 31.746 93 -0.13 24
IV.MMO1.EHZ. 2017-03-03T23:40:29.15 1.0 positive manual P 20 27.9498 94 -0.09 25
IV.TERO.HHZ. 2017-03-03T23:40:29.70 1.0 undecidable manual P 98 32.5452 93 -0.23 24
IV.SMA1.EHZ. 2017-03-03T23:40:29.36 0.6 undecidable manual S 109 10.878 123 0.33 48
IV.T1241.EHZ. 2017-03-03T23:40:29.14 0.1 undecidable manual P 40 28.1496 94 -0.12 98
IV.T1222.EHZ. 2017-03-03T23:40:29.72 0.1 undecidable manual P 206 32.2455 93 -0.17 95
IV.T1245.HHZ. 2017-03-03T23:40:28.44 1.0 positive manual P 355 21.5673 97 0.18 24
IV.T1299.EHZ. 2017-03-03T23:40:28.31 0.6 undecidable manual S 118 6.7932 142 0.1 51
IV.T1217.EHZ. 2017-03-03T23:40:28.48 0.6 undecidable manual P 284 23.2545 96 -0.04 50
IV.T1218.EHZ. 2017-03-03T23:40:28.08 0.6 undecidable manual S 276 7.6812 137 -0.29 48
IV.LNSS.HHZ. 2017-03-03T23:40:27.43 0.1 positive manual P 244 15.2736 107 0.13 100
IV.T1212.EHZ. 2017-03-03T23:40:27.46 0.3 negative manual P 306 16.6722 104 -0.04 75
IV.RM33.EHZ. 2017-03-03T23:40:27.72 0.3 negative manual P 178 17.0718 103 0.16 74
IV.SMA1.EHZ. 2017-03-03T23:40:26.95 0.1 positive manual P 109 10.878 123 0.26 97
IV.T1299.EHZ. 2017-03-03T23:40:26.42 0.1 undecidable manual P 118 6.7932 142 0.2 99
IV.T1218.EHZ. 2017-03-03T23:40:26.37 1.0 undecidable manual P 276 7.6812 137 0.05 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:1.0 0.0000329 0.42 AML other m 2017-03-03T23:40:36.49
IV.ARRO.EHE. ML:0.8 0.0000266 0.94 AML other m 2017-03-03T23:40:38.72
IV.LNSS.HHN. ML:1.6 0.00035499999999999996 0.52 AML other m 2017-03-03T23:40:30.20
IV.LNSS.HHE. ML:1.6 0.00035950000000000006 0.18 AML other m 2017-03-03T23:40:30.34
IV.RM33.HNN. ML:1.3 0.00015986830000000002 0.256 AML other m 2017-03-03T23:40:30.67
IV.RM33.HNE. ML:1.4 0.00020157715 1.8432 AML other m 2017-03-03T23:40:31.89
IV.RM33.EHN. ML:1.2 0.00013900000000000002 0.26 AML other m 2017-03-03T23:40:30.80
IV.RM33.EHE. ML:1.3 0.0001595 0.3 AML other m 2017-03-03T23:40:30.76
IV.SMA1.EHN. ML:1.5 0.0003565 0.88 AML other m 2017-03-03T23:40:30.30
IV.SMA1.EHE. ML:1.7 0.0005700000000000001 0.32 AML other m 2017-03-03T23:40:29.79
IV.T1211.EHE. ML:1.2 0.0000727 0.32 AML other m 2017-03-03T23:40:35.12
IV.T1211.EHN. ML:1.4 0.00009775 0.3 AML other m 2017-03-03T23:40:35.82
IV.T1212.EHE. ML:1.3 0.0001518 0.72 AML other m 2017-03-03T23:40:30.12
IV.T1212.EHN. ML:1.3 0.000166 0.34 AML other m 2017-03-03T23:40:30.29
IV.T1212.HNN. ML:1.4 0.0001857199 0.64 AML other m 2017-03-03T23:40:30.28
IV.T1212.HNE. ML:1.4 0.00018782345 0.7168 AML other m 2017-03-03T23:40:30.12
IV.T1217.EHN. ML:1.3 0.0001111 0.88 AML other m 2017-03-03T23:40:32.54
IV.T1217.EHE. ML:1.2 0.0000977 0.5 AML other m 2017-03-03T23:40:32.27
IV.T1218.EHN. ML:1.7 0.0005995 0.14 AML other m 2017-03-03T23:40:28.43
IV.T1218.EHE. ML:1.7 0.0006314999999999999 0.38 AML other m 2017-03-03T23:40:28.16
IV.T1218.HNE. ML:1.7 0.0006395 0.38 AML other m 2017-03-03T23:40:28.54
IV.T1218.HNN. ML:1.6 0.0005765 0.16 AML other m 2017-03-03T23:40:28.42
IV.T1245.HNE. ML:1.4 0.00018498254999999998 2.5088 AML other m 2017-03-03T23:40:33.14
IV.T1245.HHN. ML:1.4 0.0001565 0.2 AML other m 2017-03-03T23:40:34.18
IV.T1245.HHE. ML:1.2 0.000113 0.98 AML other m 2017-03-03T23:40:33.77
IV.T1299.HNN. ML:1.2 0.00021345435 1.152 AML other m 2017-03-03T23:40:28.46
IV.T1299.EHE. ML:1.0 0.0001375 0.46 AML other m 2017-03-03T23:40:28.65
IV.T1299.EHN. ML:1.1 0.000149 0.22 AML other m 2017-03-03T23:40:28.45
IV.T1299.HNE. ML:1.0 0.000125354 1.9584 AML other m 2017-03-03T23:40:29.10
IV.TERO.HHE. ML:1.0 0.000037900000000000006 0.66 AML other m 2017-03-03T23:40:36.75
IV.TERO.HHN. ML:1.2 0.000057999999999999994 1.26 AML other m 2017-03-03T23:40:34.36
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