Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 22-03-2017 and time 01:19:12 (Italy) in region 4 km SE Amatrice (RI)

A magnitude ML 1.8 earthquake occured in region: 4 km SE Amatrice (RI), on

  • 22-03-2017 00:19:12 (UTC)
  • 22-03-2017 01:19:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6010, 13.3150 at 8 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 4 2657 2657
Campotosto AQ 7 542 3199
Capitignano AQ 9 665 3864
Montereale AQ 10 2581 6445
Accumoli RI 12 667 7112
Cittareale RI 13 482 7594
Crognaleto TE 15 1297 8891
Cortino TE 16 656 9547
Barete AQ 17 737 10284
Cagnano Amiterno AQ 17 1369 11653
Borbona RI 18 617 12270
Pizzoli AQ 18 4326 16596
Fano Adriano TE 19 296 16892
Arquata del Tronto AP 19 1178 18070
Rocca Santa Maria TE 20 537 18607
Posta RI 20 694 19301

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km N of L'Aquila (69753 inhabitants)
33 Km W of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
64 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)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
83 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 1.8 2017-03-22
00:19:12		 42.6013 13.3152 9 2017-03-22
13:27:50		 Sala Sismica INGV-Roma 42784721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-22 00:19:12 ± 0.04
Latitude 42.6013 ± 0.0018
Longitude 13.3152 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 42784721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 254
Semi-minor axis of confidence ellipse (meter) 219
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 54
Number of defining phases 54
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 0.70867
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 42784721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-22 13:27:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2017-03-22T00:19:34.80 1.0 undecidable manual S 313 72.4719 50 0.04 23
IV.CESX.HHZ. 2017-03-22T00:19:31.47 0.6 undecidable manual S 271 59.496 50 0.17 45
IV.T1220.EHZ. 2017-03-22T00:19:31.88 0.3 undecidable manual S 342 59.3961 50 0.62 60
IV.T1219.EHZ. 2017-03-22T00:19:30.78 0.3 undecidable manual S 333 56.3991 50 0.31 66
IV.FDMO.HHZ. 2017-03-22T00:19:29.65 0.3 undecidable manual S 339 51.7038 50 0.43 65
IV.T1256.HHZ. 2017-03-22T00:19:27.92 0.3 undecidable manual S 351 45.5211 50 0.36 67
IV.ARRO.EHZ. 2017-03-22T00:19:27.18 0.3 undecidable manual S 267 44.9217 50 -0.24 69
IV.T1216.EHZ. 2017-03-22T00:19:26.33 0.3 undecidable manual S 323 40.1265 50 0.19 70
IV.SNTG.HHZ. 2017-03-22T00:19:26.15 0.1 undecidable manual P 337 78.6657 50 -0.1 88
IV.T1211.EHZ. 2017-03-22T00:19:25.26 0.3 undecidable manual S 259 38.3283 50 -0.4 67
IV.ASSB.HHZ. 2017-03-22T00:19:25.28 0.1 undecidable manual P 313 72.4719 50 -0.02 91
IV.T1220.EHZ. 2017-03-22T00:19:23.11 0.1 negative manual P 342 59.3961 50 -0.17 90
IV.T1217.EHZ. 2017-03-22T00:19:23.90 0.3 undecidable manual S 291 33.6441 50 -0.5 66
IV.CESX.HHZ. 2017-03-22T00:19:23.76 0.3 undecidable manual P 271 59.496 50 0.46 64
IV.T1245.HHZ. 2017-03-22T00:19:23.18 0.3 undecidable manual S 340 30.1476 106 -0.06 73
IV.T1222.EHZ. 2017-03-22T00:19:23.52 1.0 undecidable manual S 226 31.8459 105 -0.28 23
IV.T1212.EHZ. 2017-03-22T00:19:22.04 0.3 undecidable manual S 307 27.6501 107 -0.37 69
IV.T1219.EHZ. 2017-03-22T00:19:22.60 0.1 negative manual P 333 56.3991 50 -0.22 90
IV.T1241.EHZ. 2017-03-22T00:19:22.84 0.3 undecidable manual S 18 29.8479 106 -0.29 70
MN.AQU.HHZ. 2017-03-22T00:19:22.64 0.6 undecidable manual S 165 28.4493 107 -0.03 49
IV.T0110.HHZ. 2017-03-22T00:19:22.90 0.1 undecidable manual P 137 55.8996 50 0.14 91
IV.GUMA.HHZ. 2017-03-22T00:19:22.17 0.1 undecidable manual P 2 51.2154 50 0.14 92
IV.OFFI.HHZ. 2017-03-22T00:19:21.90 0.1 undecidable manual P 39 47.7189 50 0.41 88
IV.FDMO.HHZ. 2017-03-22T00:19:21.84 0.1 negative manual P 339 51.7038 50 -0.26 90
IV.GIGS.HHZ. 2017-03-22T00:19:21.86 0.3 undecidable manual S 128 26.751 108 -0.24 71
IV.T1216.EHZ. 2017-03-22T00:19:20.09 0.1 undecidable manual P 323 40.1265 50 -0.23 92
IV.T1256.HHZ. 2017-03-22T00:19:20.89 0.1 negative manual P 351 45.5211 50 -0.26 91
IV.TERO.HHZ. 2017-03-22T00:19:20.83 0.3 undecidable manual S 84 23.6541 110 -0.28 71
IV.ARRO.EHZ. 2017-03-22T00:19:20.78 0.1 undecidable manual P 267 44.9217 50 -0.28 90
IV.T1247.HHZ. 2017-03-22T00:19:19.47 0.3 undecidable manual S 184 17.7711 115 0.26 72
IV.T1217.EHZ. 2017-03-22T00:19:19.13 0.1 undecidable manual P 291 33.6441 50 -0.19 94
IV.T1211.EHZ. 2017-03-22T00:19:19.85 0.6 undecidable manual P 259 38.3283 50 -0.2 47
IV.T1218.EHZ. 2017-03-22T00:19:19.46 0.3 undecidable manual S 295 17.9709 115 0.18 73
IV.T1214.EHZ. 2017-03-22T00:19:19.88 0.6 undecidable manual S 334 19.5693 113 0.1 49
IV.T1246.HHE. 2017-03-22T00:19:18.24 0.3 undecidable manual S 98 14.6742 120 -0.01 76
IV.T1245.HHZ. 2017-03-22T00:19:18.75 0.3 undecidable manual P 340 30.1476 106 0.1 72
IV.T1222.EHZ. 2017-03-22T00:19:18.73 0.1 positive manual P 226 31.8459 105 -0.24 93
IV.T1212.EHZ. 2017-03-22T00:19:18.05 0.1 undecidable manual P 307 27.6501 107 -0.12 97
IV.RM33.EHZ. 2017-03-22T00:19:18.04 0.3 undecidable manual S 219 13.1757 123 0.24 72
IV.T1241.EHZ. 2017-03-22T00:19:18.35 0.1 undecidable manual P 18 29.8479 106 -0.24 94
MN.AQU.HHZ. 2017-03-22T00:19:18.26 0.1 undecidable manual P 165 28.4493 107 -0.06 98
IV.TERO.HHZ. 2017-03-22T00:19:17.32 0.1 positive manual P 84 23.6541 110 -0.1 98
IV.GIGS.HHZ. 2017-03-22T00:19:17.85 0.1 undecidable manual P 128 26.751 108 -0.14 96
IV.T1214.EHZ. 2017-03-22T00:19:17.01 0.1 negative manual P 334 19.5693 113 0.36 93
IV.CAMP.HHZ. 2017-03-22T00:19:17.00 0.3 undecidable manual S 134 10.5783 129 -0.08 75
IV.T1218.EHZ. 2017-03-22T00:19:16.64 0.1 undecidable manual P 295 17.9709 115 0.28 95
IV.T1247.HHZ. 2017-03-22T00:19:16.54 0.1 positive manual P 184 17.7711 115 0.22 96
IV.RM33.EHZ. 2017-03-22T00:19:15.87 0.1 positive manual P 219 13.1757 123 0.36 94
IV.CAMP.HHZ. 2017-03-22T00:19:15.29 0.1 negative manual P 134 10.5783 129 0.2 98
IV.SMA1.EHZ. 2017-03-22T00:19:15.31 0.3 undecidable manual S 27 3.5964 157 -0.26 73
IV.T1246.HHE. 2017-03-22T00:19:15.92 0.1 positive manual P 98 14.6742 120 0.15 98
IV.T1299.EHZ. 2017-03-22T00:19:15.50 0.3 undecidable manual S 323 4.4955 152 -0.2 74
IV.T1299.EHZ. 2017-03-22T00:19:14.48 0.1 negative manual P 323 4.4955 152 0.18 99
IV.SMA1.EHZ. 2017-03-22T00:19:14.37 0.1 positive manual P 27 3.5964 157 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.AQU.HHN. ML:1.6 0.00022700000000000002 0.3 AML other m 2017-03-22T00:19:24.17
MN.AQU.HHE. ML:1.8 0.00029949999999999996 1.2 AML other m 2017-03-22T00:19:26.78
MN.AQU.HLE. ML:1.8 0.0003025 1.18 AML other m 2017-03-22T00:19:26.78
MN.AQU.HLN. ML:1.6 0.0002315 1.02 AML other m 2017-03-22T00:19:28.70
IV.ARRO.EHE. ML:1.5 0.00009515 0.24 AML other m 2017-03-22T00:19:29.72
IV.ARRO.EHN. ML:1.5 0.0000942 1.36 AML other m 2017-03-22T00:19:30.09
IV.ASSB.HHN. ML:1.6 0.00006815 1.88 AML other m 2017-03-22T00:19:36.05
IV.ASSB.HHE. ML:1.6 0.00006520000000000001 0.64 AML other m 2017-03-22T00:19:38.34
IV.CAMP.HHE. ML:1.8 0.000952 0.76 AML other m 2017-03-22T00:19:17.23
IV.CAMP.HHN. ML:1.6 0.000625 0.64 AML other m 2017-03-22T00:19:18.84
IV.CESX.HHN. ML:1.7 0.00009515 0.42 AML other m 2017-03-22T00:19:34.83
IV.CESX.HHE. ML:1.4 0.00005434999999999999 0.64 AML other m 2017-03-22T00:19:38.81
IV.FDMO.HHN. ML:1.6 0.0000891 0.2 AML other m 2017-03-22T00:19:31.41
IV.FDMO.HHE. ML:1.5 0.00007655 0.44 AML other m 2017-03-22T00:19:33.78
IV.GUMA.HHN. ML:2.1 0.00030100000000000005 0.22 AML other m 2017-03-22T00:19:32.62
IV.GUMA.HHE. ML:2.0 0.000286 0.36 AML other m 2017-03-22T00:19:34.76
IV.OFFI.HHN. ML:2.3 0.0006129999999999999 1.5 AML other m 2017-03-22T00:19:31.02
IV.OFFI.HHE. ML:2.2 0.0004685 0.38 AML other m 2017-03-22T00:19:31.12
IV.RM33.EHE. ML:1.8 0.0008335 0.62 AML other m 2017-03-22T00:19:18.50
IV.RM33.HNE. ML:1.9 0.0009099999999999999 0.66 AML other m 2017-03-22T00:19:18.48
IV.RM33.HNN. ML:1.7 0.0006305000000000001 0.52 AML other m 2017-03-22T00:19:20.85
IV.RM33.EHN. ML:1.7 0.0006195 0.54 AML other m 2017-03-22T00:19:20.86
IV.T1211.EHN. ML:2.0 0.0003445 0.72 AML other m 2017-03-22T00:19:26.45
IV.T1211.HNN. ML:2.0 0.000372 0.72 AML other m 2017-03-22T00:19:26.45
IV.T1211.EHE. ML:1.7 0.00019800000000000002 0.12 AML other m 2017-03-22T00:19:27.59
IV.T1211.HNE. ML:1.7 0.0001905 0.7 AML other m 2017-03-22T00:19:26.38
IV.T1212.EHN. ML:1.7 0.000296 0.42 AML other m 2017-03-22T00:19:24.65
IV.T1212.EHE. ML:1.7 0.00025 0.18 AML other m 2017-03-22T00:19:22.79
IV.T1212.HNE. ML:1.7 0.000252 0.7 AML other m 2017-03-22T00:19:24.29
IV.T1212.HNN. ML:1.7 0.0002965 0.42 AML other m 2017-03-22T00:19:24.86
IV.T1214.EHE. ML:1.8 0.0005574999999999999 0.7 AML other m 2017-03-22T00:19:22.80
IV.T1214.EHN. ML:1.6 0.0003235 0.28 AML other m 2017-03-22T00:19:22.80
IV.T1214.HNN. ML:1.6 0.0003325 0.88 AML other m 2017-03-22T00:19:20.96
IV.T1214.HNE. ML:1.8 0.0005595 0.72 AML other m 2017-03-22T00:19:22.80
IV.T1216.EHN. ML:1.7 0.0001815 1.64 AML other m 2017-03-22T00:19:29.91
IV.T1216.EHE. ML:1.9 0.0002595 0.96 AML other m 2017-03-22T00:19:29.01
IV.T1217.EHN. ML:1.7 0.000193 0.48 AML other m 2017-03-22T00:19:25.41
IV.T1217.EHE. ML:1.6 0.0001635 0.56 AML other m 2017-03-22T00:19:27.25
IV.T1218.EHN. ML:2.3 0.00163 0.22 AML other m 2017-03-22T00:19:19.85
IV.T1218.HNN. ML:2.3 0.001645 0.22 AML other m 2017-03-22T00:19:19.85
IV.T1218.HNE. ML:1.9 0.000711 0.14 AML other m 2017-03-22T00:19:19.71
IV.T1218.EHE. ML:1.9 0.0007165 0.14 AML other m 2017-03-22T00:19:19.71
IV.T1219.EHN. ML:1.8 0.00012435000000000001 1.76 AML other m 2017-03-22T00:19:35.03
IV.T1219.EHE. ML:1.7 0.0001094 0.42 AML other m 2017-03-22T00:19:34.05
IV.T1222.EHE. ML:1.6 0.0001735 0.24 AML other m 2017-03-22T00:19:28.68
IV.T1222.EHN. ML:1.6 0.000179 0.54 AML other m 2017-03-22T00:19:27.49
IV.T1241.HNN. ML:1.8 0.000304 0.24 AML other m 2017-03-22T00:19:25.22
IV.T1241.EHN. ML:1.7 0.0002605 0.24 AML other m 2017-03-22T00:19:25.10
IV.T1241.EHE. ML:1.8 0.000275 0.7 AML other m 2017-03-22T00:19:24.37
IV.T1241.HNE. ML:1.8 0.00032 0.36 AML other m 2017-03-22T00:19:23.37
IV.T1245.HHE. ML:1.8 0.0003255 0.46 AML other m 2017-03-22T00:19:26.77
IV.T1245.HNN. ML:2.0 0.000514 0.74 AML other m 2017-03-22T00:19:27.50
IV.T1245.HHN. ML:2.0 0.0004535 0.66 AML other m 2017-03-22T00:19:27.50
IV.T1245.HNE. ML:1.9 0.000357 0.46 AML other m 2017-03-22T00:19:26.77
IV.T1247.HHE. ML:2.0 0.0009765 1.1 AML other m 2017-03-22T00:19:21.91
IV.T1247.HHN. ML:2.1 0.0011294999999999999 0.4 AML other m 2017-03-22T00:19:21.21
IV.T1256.HHE. ML:1.5 0.00009255 1.02 AML other m 2017-03-22T00:19:31.83
IV.T1256.HHN. ML:1.6 0.00011300000000000001 1.34 AML other m 2017-03-22T00:19:31.68
IV.TERO.HNN. ML:2.2 0.000928 0.52 AML other m 2017-03-22T00:19:21.34
IV.TERO.HNE. ML:2.1 0.0007669999999999999 0.74 AML other m 2017-03-22T00:19:21.04
IV.TERO.HHN. ML:2.2 0.0010554999999999998 0.52 AML other m 2017-03-22T00:19:21.34
IV.TERO.HHE. ML:2.1 0.0008425 0.72 AML other m 2017-03-22T00:19:21.04
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