Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 05-03-2017 and time 22:54:21 (Italy) in region 3 km SE Amatrice (RI)

A magnitude ML 0.8 earthquake occured in region: 3 km SE Amatrice (RI), on

  • 05-03-2017 21:54:21 (UTC)
  • 05-03-2017 22:54:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6140, 13.3220 at 7 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
Campotosto AQ 7 542 3199
Capitignano AQ 11 665 3864
Accumoli RI 11 667 4531
Montereale AQ 12 2581 7112
Cittareale RI 13 482 7594
Crognaleto TE 15 1297 8891
Cortino TE 15 656 9547
Arquata del Tronto AP 18 1178 10725
Barete AQ 18 737 11462
Rocca Santa Maria TE 19 537 11999
Acquasanta Terme AP 19 2916 14915
Fano Adriano TE 19 296 15211
Cagnano Amiterno AQ 19 1369 16580
Borbona RI 19 617 17197
Pizzoli AQ 20 4326 21523
Valle Castellana TE 20 977 22500

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of L'Aquila (69753 inhabitants)
32 Km W of Teramo (54892 inhabitants)
56 Km E of Terni (111501 inhabitants)
63 Km SE of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
75 Km W of Pescara (121014 inhabitants)
75 Km W of Chieti (51815 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
94 Km SE of Perugia (166134 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 0.8 2017-03-05
21:54:21		 42.6142 13.3223 7 2017-03-05
22:02:49		 Sala Sismica INGV-Roma 42011051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-05 21:54:21 ± 0.13
Latitude 42.6142 ± 0.0036
Longitude 13.3223 ± 0.0049
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 42011051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 480
Semi-minor axis of confidence ellipse (meter) 35
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
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 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 0.31296
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:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 42011051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-05 22:02:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2017-03-05T21:54:33.62 1.0 undecidable manual S 342 34.743 102 -0.08 24
IV.T1241.EHE. 2017-03-05T21:54:31.30 0.6 undecidable manual S 18 28.2495 105 -0.23 47
IV.GIGS.HHZ. 2017-03-05T21:54:30.36 0.6 undecidable manual S 131 27.1506 105 -0.8 39
IV.T1212.EHE. 2017-03-05T21:54:30.84 0.6 undecidable manual S 304 27.2505 105 -0.35 45
IV.LNSS.HHE. 2017-03-05T21:54:29.77 0.6 undecidable manual S 267 23.0547 108 -0.01 49
IV.TERO.HNN. 2017-03-05T21:54:29.38 0.6 undecidable manual S 88 22.9548 108 -0.38 45
IV.T1218.EHZ. 2017-03-05T21:54:28.19 0.6 undecidable manual S 290 17.9709 112 0.05 49
IV.MC2.EHZ. 2017-03-05T21:54:28.85 0.1 undecidable manual P 342 34.743 102 0.36 90
IV.T1214.EHZ. 2017-03-05T21:54:28.01 0.6 undecidable manual S 330 18.5703 112 -0.32 46
IV.T1241.EHE. 2017-03-05T21:54:28.21 0.1 undecidable manual P 18 28.2495 105 0.97 72
IV.T1247.HHZ. 2017-03-05T21:54:28.78 0.3 undecidable manual S 186 19.2696 111 0.24 71
IV.RM33.EHZ. 2017-03-05T21:54:27.28 0.6 undecidable manual S 217 14.6742 117 0.21 48
IV.GIGS.HHZ. 2017-03-05T21:54:26.66 0.1 undecidable manual P 131 27.1506 105 -0.37 91
IV.T1212.EHE. 2017-03-05T21:54:26.56 0.1 undecidable manual P 304 27.2505 105 -0.49 88
IV.LNSS.HHE. 2017-03-05T21:54:26.00 0.1 undecidable manual P 267 23.0547 108 -0.23 94
IV.TERO.HNN. 2017-03-05T21:54:26.13 0.1 undecidable manual P 88 22.9548 108 -0.09 97
IV.CAMP.HHN. 2017-03-05T21:54:26.20 0.6 undecidable manual S 141 11.1777 123 0.16 49
IV.T1247.HHZ. 2017-03-05T21:54:25.55 0.1 undecidable manual P 186 19.2696 111 0.03 99
IV.T1218.EHZ. 2017-03-05T21:54:25.27 0.1 undecidable manual P 290 17.9709 112 -0.01 99
IV.T1214.EHZ. 2017-03-05T21:54:25.58 1.0 positive manual P 330 18.5703 112 0.19 24
IV.RM33.EHZ. 2017-03-05T21:54:24.82 0.1 undecidable manual P 217 14.6742 117 0.16 97
IV.CAMP.HHN. 2017-03-05T21:54:24.21 0.1 undecidable manual P 141 11.1777 123 0.14 98
IV.T1246.HHE. 2017-03-05T21:54:24.78 0.1 undecidable manual P 104 14.3745 117 0.17 97
IV.T1299.EHZ. 2017-03-05T21:54:24.14 0.6 undecidable manual S 304 3.996 152 -0.15 49
IV.T1299.EHZ. 2017-03-05T21:54:23.15 0.1 undecidable manual P 304 3.996 152 0.09 100
IV.SMA1.EHZ. 2017-03-05T21:54:23.94 0.6 undecidable manual S 30 2.0979 164 -0.11 50
IV.SMA1.EHZ. 2017-03-05T21:54:23.08 0.3 undecidable manual P 30 2.0979 164 0.16 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNE. ML:1.1 0.000124946115 1.28 AML other m 2017-03-05T21:54:28.13
IV.RM33.EHN. ML:0.7 0.000049219535 0.2048 AML other m 2017-03-05T21:54:28.38
IV.RM33.HNN. ML:1.0 0.00009499303 3.0208 AML other m 2017-03-05T21:54:28.38
IV.RM33.EHE. ML:0.8 0.0000628572645 0.32 AML other m 2017-03-05T21:54:28.15
IV.SMA1.EHE. ML:0.0 0.0010264755 0.1792 AML other m 2017-03-05T21:54:24.15
IV.SMA1.EHN. ML:0.0 0.0012893400000000001 0.2688 AML other m 2017-03-05T21:54:24.23
IV.T1214.HNN. ML:0.9 0.00006999999 2.816 AML other m 2017-03-05T21:54:29.67
IV.T1214.HNE. ML:0.9 0.00006660546000000001 2.5728 AML other m 2017-03-05T21:54:28.03
IV.T1214.EHN. ML:0.9 0.000069108005 2.624 AML other m 2017-03-05T21:54:27.78
IV.T1214.EHE. ML:0.6 0.000032140879999999994 2.944 AML other m 2017-03-05T21:54:29.04
IV.T1218.EHE. ML:0.5 0.000023972732 0.0768 AML other m 2017-03-05T21:54:28.47
IV.T1218.HNN. ML:1.1 0.00010693875 1.728 AML other m 2017-03-05T21:54:29.16
IV.T1218.EHN. ML:1.0 0.000084720465 3.1744 AML other m 2017-03-05T21:54:28.00
IV.T1218.HNE. ML:0.8 0.000060777529999999994 2.496 AML other m 2017-03-05T21:54:29.21
IV.T1247.HHE. ML:0.8 0.000052931819999999995 0.1152 AML other m 2017-03-05T21:54:29.82
IV.T1247.HHN. ML:0.7 0.00004639732 1.8816 AML other m 2017-03-05T21:54:29.39
IV.T1299.EHE. ML:0.0 0.0005566973 0.128 AML other m 2017-03-05T21:54:24.18
IV.T1299.HNN. ML:0.0 0.0007503185999999999 0.1024 AML other m 2017-03-05T21:54:24.23
IV.T1299.EHN. ML:0.0 0.00069839065 0.1024 AML other m 2017-03-05T21:54:24.23
IV.T1299.HNE. ML:0.0 0.00054047165 0.1408 AML other m 2017-03-05T21:54:24.18
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