Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 01-09-2016 and time 13:37:45 (UTC) in region 4 km SW Amatrice (RI)

A magnitude ML 1.5 earthquake occured in region: 4 km SW Amatrice (RI), on

  • 01-09-2016 13:37:45 (UTC)
  • 01-09-2016 15:37:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6120, 13.2540 at 10 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
Cittareale RI 8 482 3139
Accumoli RI 9 667 3806
Montereale AQ 10 2581 6387
Capitignano AQ 11 665 7052
Campotosto AQ 11 542 7594
Borbona RI 15 617 8211
Posta RI 16 694 8905
Cagnano Amiterno AQ 17 1369 10274
Barete AQ 18 737 11011
Arquata del Tronto AP 18 1178 12189
Pizzoli AQ 20 4326 16515
Crognaleto TE 20 1297 17812

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of L'Aquila (69753 inhabitants)
37 Km W of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
80 Km W of Chieti (51815 inhabitants)
80 Km W of Pescara (121014 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
81 Km NE of Tivoli (56533 inhabitants)
90 Km SE of Perugia (166134 inhabitants)
97 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 1.5 2016-09-01
13:37:45		 42.6117 13.2538 10 2016-09-01
13:54:33		 Sala Sismica INGV-Roma 27940251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-09-01 13:37:45 ± 0.09
Latitude 42.6117 ± 0.0045
Longitude 13.2538 ± 0.0061
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 27940251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 620
Semi-minor axis of confidence ellipse (meter) 410
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.16013
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 27940251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-09-01 13:54:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VAGA.HHZ. 2016-09-01T13:38:32.99 3.0 undecidable manual S 1.09 0
IV.PE3.EHZ. 2016-09-01T13:38:22.99 3.0 undecidable manual S 128.7711 -1.27 0
IV.IMOL.HNZ. 2016-09-01T13:38:20.13 3.0 negative manual Pn 1.24 0
IV.VBKN.HHZ. 2016-09-01T13:38:18.31 3.0 negative manual Pn -1.07 0
IV.PE3.EHZ. 2016-09-01T13:38:06.42 3.0 negative manual P 128.7711 -0.81 0
IV.T0110.HHZ. 2016-09-01T13:38:05.45 0.1 undecidable manual S 135 60.1953 50 0.85 71
IV.VCEL.EHZ. 2016-09-01T13:38:04.06 0.1 undecidable manual S 116 53.7018 50 1.21 61
IV.FDMO.HHZ. 2016-09-01T13:38:02.03 0.1 undecidable manual S 344 49.0176 50 0.42 85
IV.GUMA.HHZ. 2016-09-01T13:38:02.90 0.1 undecidable manual S 8 50.5161 50 0.9 71
IV.CSP1.EHZ. 2016-09-01T13:38:02.95 0.1 undecidable manual S 356 53.4021 50 0.17 89
IV.CERT.HHZ. 2016-09-01T13:38:01.91 3.0 negative manual P 1.13 0
IV.T1215.EHZ. 2016-09-01T13:37:58.26 0.1 undecidable manual S 304 37.8288 50 -0.36 88
IV.T0110.HHZ. 2016-09-01T13:37:56.63 0.1 undecidable manual P 135 60.1953 50 -0.04 91
IV.GIGS.HHZ. 2016-09-01T13:37:56.30 0.1 undecidable manual S 124 31.4463 50 -0.61 83
IV.MMO1.EHZ. 2016-09-01T13:37:56.99 0.1 undecidable manual S 11 32.4453 50 -0.2 92
IV.TERO.HHZ. 2016-09-01T13:37:55.60 0.1 undecidable manual S 87 28.6491 50 -0.56 85
IV.SSM1.HNZ. 2016-09-01T13:37:55.90 3.0 undecidable manual P -1.14 0
IV.GUMA.HHZ. 2016-09-01T13:37:55.53 0.1 undecidable manual P 8 50.5161 50 0.36 86
IV.NRCA.HHZ. 2016-09-01T13:37:55.32 0.1 undecidable manual S 335 27.1506 50 -0.44 89
IV.VCEL.EHZ. 2016-09-01T13:37:55.78 0.1 undecidable manual P 116 53.7018 50 0.12 90
IV.CSP1.EHZ. 2016-09-01T13:37:55.62 0.1 undecidable manual P 356 53.4021 50 0 93
IV.FDMO.HHZ. 2016-09-01T13:37:54.84 0.1 undecidable manual P 344 49.0176 50 -0.11 91
IV.CAMP.HHZ. 2016-09-01T13:37:52.08 0.1 undecidable manual S 124 15.1737 124 -0.1 97
IV.T1215.EHZ. 2016-09-01T13:37:52.93 0.1 undecidable manual P 304 37.8288 50 -0.29 90
IV.LNSS.HHZ. 2016-09-01T13:37:52.82 0.1 undecidable manual S 267 17.4714 120 -0.02 98
IV.T1243.HHZ. 2016-09-01T13:37:52.81 0.1 undecidable manual S 59 18.4704 119 -0.34 92
IV.T1244.EHZ. 2016-09-01T13:37:52.50 0.1 undecidable manual S 13 16.4724 121 -0.06 98
IV.MMO1.EHZ. 2016-09-01T13:37:52.15 0.1 undecidable manual P 11 32.4453 50 -0.24 91
IV.NRCA.HHZ. 2016-09-01T13:37:51.35 0.1 undecidable manual P 335 27.1506 50 -0.22 93
IV.TERO.HHZ. 2016-09-01T13:37:51.56 0.1 positive manual P 87 28.6491 50 -0.24 92
IV.T1202.EHZ. 2016-09-01T13:37:51.16 0.1 undecidable manual S 347 10.4784 134 0.27 94
IV.GIGS.HHZ. 2016-09-01T13:37:51.92 0.1 undecidable manual P 124 31.4463 50 -0.31 90
IV.T1204.EHZ. 2016-09-01T13:37:50.48 0.1 undecidable manual S 36 8.7801 139 -0.01 100
IV.T1299.EHZ. 2016-09-01T13:37:49.36 0.1 undecidable manual S 43 3.3966 161 -0.18 97
IV.T1244.EHZ. 2016-09-01T13:37:49.80 0.1 undecidable manual P 13 16.4724 121 0.08 97
IV.CAMP.HHZ. 2016-09-01T13:37:49.63 0.3 positive manual P 124 15.1737 124 0.13 72
IV.LNSS.HHZ. 2016-09-01T13:37:49.98 0.1 positive manual P 267 17.4714 120 0.1 97
IV.T1202.EHZ. 2016-09-01T13:37:49.12 0.3 negative manual P 347 10.4784 134 0.37 69
IV.T1243.HHZ. 2016-09-01T13:37:49.91 0.1 undecidable manual P 59 18.4704 119 -0.15 96
IV.T1299.EHZ. 2016-09-01T13:37:48.11 0.1 negative manual P 43 3.3966 161 0.13 98
IV.T1204.EHZ. 2016-09-01T13:37:48.75 0.1 undecidable manual P 36 8.7801 139 0.22 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHN. ML:1.1 0.00012695 0.36 AML other m 2016-09-01T13:37:52.25
IV.CAMP.HHE. ML:1.2 0.00014099999999999998 0.58 AML other m 2016-09-01T13:37:52.28
IV.FDMO.HHE. ML:0.9 0.000018750000000000002 0.92 AML other m 2016-09-01T13:38:03.01
IV.FDMO.HHN. ML:1.0 0.00002795 0.24 AML other m 2016-09-01T13:39:04.05
IV.GUMA.HHN. ML:1.8 0.00014350000000000002 0.24 AML other m 2016-09-01T13:38:03.68
IV.GUMA.HHE. ML:1.8 0.00017199999999999998 0.24 AML other m 2016-09-01T13:38:03.30
IV.LNSS.HHN. ML:1.6 0.000295 0.38 AML other m 2016-09-01T13:37:53.52
IV.LNSS.HHE. ML:1.5 0.0002595 0.4 AML other m 2016-09-01T13:37:53.89
IV.MMO1.EHN. ML:1.3 0.00009715 1.06 AML other m 2016-09-01T13:37:57.91
IV.MMO1.EHE. ML:1.3 0.0000821 0.78 AML other m 2016-09-01T13:37:57.78
IV.PE3.EHN. ML:2.9 0.00047805 0.2 AML other m 2016-09-01T13:39:17.50
IV.PE3.EHE. ML:1.6 0.00002425 0.04 AML other m 2016-09-01T13:39:20.89
IV.T0110.HHE. ML:1.5 0.0000605 0.38 AML other m 2016-09-01T13:38:08.49
IV.T0110.HHN. ML:1.4 0.000051500000000000005 0.36 AML other m 2016-09-01T13:38:08.05
IV.T1299.HNN. ML:1.8 0.0012549999999999998 0.12 AML other m 2016-09-01T13:37:49.47
IV.T1299.HNE. ML:1.9 0.0014285 0.94 AML other m 2016-09-01T13:37:49.47
IV.TERO.HHE. ML:1.6 0.000186 0.12 AML other m 2016-09-01T13:37:56.21
IV.TERO.HHN. ML:1.5 0.000149 1.26 AML other m 2016-09-01T13:37:56.29
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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