Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 02-03-2017 and time 18:58:41 (Italy) in region 2 km W Amatrice (RI)

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

  • 02-03-2017 17:58:41 (UTC)
  • 02-03-2017 18:58:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6380, 13.2610 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
Amatrice RI 3 2657 2657
Accumoli RI 7 667 3324
Cittareale RI 9 482 3806
Montereale AQ 13 2581 6387
Campotosto AQ 13 542 6929
Capitignano AQ 13 665 7594
Arquata del Tronto AP 15 1178 8772
Borbona RI 17 617 9389
Posta RI 18 694 10083
Acquasanta Terme AP 19 2916 12999
Cagnano Amiterno AQ 20 1369 14368

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of L'Aquila (69753 inhabitants)
36 Km W of Teramo (54892 inhabitants)
51 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
81 Km W of Pescara (121014 inhabitants)
81 Km W of Chieti (51815 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
88 Km SE of Perugia (166134 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 1.3 2017-03-02
17:58:41		 42.6382 13.2607 12 2017-03-02
18:04:47		 Sala Sismica INGV-Roma 41857701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-02 17:58:41 ± 0.05
Latitude 42.6382 ± 0.0027
Longitude 13.2607 ± 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 41857701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 305
Semi-minor axis of confidence ellipse (meter) 148
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 331
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
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 33
Number of defining phases 31
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) 0.43078
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 41857701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-02 18:04:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VIVA.HHZ. 2017-03-02T17:58:57.73 3.0 undecidable manual P -0.28 0
IV.T1217.EHZ. 2017-03-02T17:58:51.84 0.3 undecidable manual S 287 28.0497 91 -0.05 72
IV.OFFI.HHZ. 2017-03-02T17:58:51.70 0.3 undecidable manual P 46 47.8188 91 0.98 52
IV.T1245.HHZ. 2017-03-02T17:58:51.16 0.1 undecidable manual S 346 24.9528 92 0.11 97
IV.TERO.HHZ. 2017-03-02T17:58:51.41 0.1 undecidable manual S 93 28.0497 91 -0.48 90
IV.T1241.EHZ. 2017-03-02T17:58:51.68 0.1 undecidable manual S 30 27.9498 91 -0.17 97
IV.NRCA.HHZ. 2017-03-02T17:58:50.80 0.3 undecidable manual S 331 24.753 92 -0.2 72
IV.FDMO.HHZ. 2017-03-02T17:58:50.61 1.0 undecidable manual P 342 46.4202 91 0.1 23
IV.LNSS.HHZ. 2017-03-02T17:58:49.37 0.3 undecidable manual S 258 18.3705 94 0.06 75
IV.T1212.EHZ. 2017-03-02T17:58:49.98 0.3 undecidable manual S 306 21.6672 93 -0.19 71
IV.T1216.EHZ. 2017-03-02T17:58:49.58 3.0 undecidable manual P 1.02 0
IV.T1211.EHZ. 2017-03-02T17:58:48.71 0.3 undecidable manual P 251 35.1426 91 -0.06 71
IV.T1214.EHZ. 2017-03-02T17:58:48.13 0.3 undecidable manual S 343 14.0748 103 -0.05 76
IV.T1215.EHZ. 2017-03-02T17:58:48.94 0.3 undecidable manual P 300 36.741 91 -0.08 71
IV.RM33.EHZ. 2017-03-02T17:58:48.24 0.3 undecidable manual S 195 14.7741 100 -0.13 72
IV.T1222.EHZ. 2017-03-02T17:58:48.27 0.3 undecidable manual P 215 32.0457 91 -0.03 72
IV.GIGS.HHZ. 2017-03-02T17:58:48.65 1.0 undecidable manual P 129 32.745 91 0.24 23
IV.MC2.EHZ. 2017-03-02T17:58:48.21 0.3 undecidable manual P 349 30.8469 91 0.09 72
IV.TERO.HHZ. 2017-03-02T17:58:47.50 0.1 undecidable manual P 93 28.0497 91 -0.19 96
IV.T1241.EHZ. 2017-03-02T17:58:47.59 0.1 undecidable manual P 30 27.9498 91 -0.07 98
IV.NRCA.HHZ. 2017-03-02T17:58:47.19 0.1 undecidable manual P 331 24.753 92 0.02 99
IV.T1217.EHZ. 2017-03-02T17:58:47.66 0.1 undecidable manual P 287 28.0497 91 -0.03 97
IV.T1245.HHZ. 2017-03-02T17:58:47.40 0.3 undecidable manual P 346 24.9528 92 0.19 71
IV.T1218.EHZ. 2017-03-02T17:58:47.61 0.3 undecidable manual S 287 12.3765 111 -0.13 73
IV.LNSS.HHZ. 2017-03-02T17:58:46.29 0.1 undecidable manual P 258 18.3705 94 0.09 100
IV.T1212.EHZ. 2017-03-02T17:58:46.70 0.1 undecidable manual P 306 21.6672 93 0 99
IV.SMA1.EHZ. 2017-03-02T17:58:46.43 0.3 undecidable manual S 98 6.1938 142 0.01 76
IV.T1218.EHZ. 2017-03-02T17:58:45.42 0.1 undecidable manual P 287 12.3765 111 0.14 100
IV.T1299.EHZ. 2017-03-02T17:58:45.68 0.3 undecidable manual S 104 1.7982 168 -0.25 74
IV.T1214.EHZ. 2017-03-02T17:58:45.68 0.1 undecidable manual P 343 14.0748 103 0.14 98
IV.RM33.EHZ. 2017-03-02T17:58:45.80 0.1 undecidable manual P 195 14.7741 100 0.15 99
IV.SMA1.EHZ. 2017-03-02T17:58:44.74 0.1 undecidable manual P 98 6.1938 142 0.21 98
IV.T1299.EHZ. 2017-03-02T17:58:44.40 0.1 undecidable manual P 104 1.7982 168 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.2 0.000050900000000000004 0.14 AML other m 2017-03-02T17:59:14.05
IV.FDMO.HHE. ML:1.3 0.00005629999999999999 0.32 AML other m 2017-03-02T17:59:14.08
IV.LNSS.HHN. ML:1.3 0.0001545 0.16 AML other m 2017-03-02T17:58:49.62
IV.LNSS.HHE. ML:1.3 0.000144 0.44 AML other m 2017-03-02T17:58:49.70
IV.NRCA.HHE. ML:1.4 0.000133 0.14 AML other m 2017-03-02T17:58:51.33
IV.NRCA.HHN. ML:1.2 0.00008444999999999999 1.5 AML other m 2017-03-02T17:58:51.89
IV.RM33.EHN. ML:1.4 0.0002035 1.32 AML other m 2017-03-02T17:58:49.73
IV.RM33.EHE. ML:1.4 0.000214 1.36 AML other m 2017-03-02T17:58:49.76
IV.T1218.EHE. ML:1.4 0.00028500000000000004 0.4 AML other m 2017-03-02T17:58:47.82
IV.T1218.HNN. ML:1.7 0.000506 0.22 AML other m 2017-03-02T17:58:47.91
IV.T1218.EHN. ML:1.7 0.0005074999999999999 0.2 AML other m 2017-03-02T17:58:47.91
IV.T1218.HNE. ML:1.5 0.00032250000000000003 1.6 AML other m 2017-03-02T17:58:48.02
IV.T1245.HHE. ML:0.9 0.000047149999999999994 0.86 AML other m 2017-03-02T17:58:51.43
IV.T1245.HHN. ML:1.1 0.00006850000000000001 0.46 AML other m 2017-03-02T17:58:51.73
IV.T1299.EHN. ML:1.1 0.00020400000000000003 0.28 AML other m 2017-03-02T17:58:45.77
IV.T1299.EHE. ML:0.9 0.000135 0.94 AML other m 2017-03-02T17:58:46.57
IV.TERO.HHN. ML:1.2 0.0000902 0.9 AML other m 2017-03-02T17:58:52.40
IV.TERO.HHE. ML:1.1 0.0000637 0.7 AML other m 2017-03-02T17:58:52.48
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