Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 12-01-2017 and time 04:40:35 (Italy) in region 6 km SW Amatrice (RI)

A magnitude ML 1.5 earthquake occured in region: 6 km SW Amatrice (RI), on

  • 12-01-2017 03:40:35 (UTC)
  • 12-01-2017 04:40:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5900, 13.2460 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 6 2657 2657
Montereale AQ 7 2581 5238
Cittareale RI 8 482 5720
Capitignano AQ 9 665 6385
Campotosto AQ 11 542 6927
Accumoli RI 12 667 7594
Borbona RI 13 617 8211
Posta RI 14 694 8905
Cagnano Amiterno AQ 15 1369 10274
Barete AQ 16 737 11011
Pizzoli AQ 18 4326 15337
Crognaleto TE 20 1297 16634

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of L'Aquila (69753 inhabitants)
38 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
80 Km W of Chieti (51815 inhabitants)
81 Km W of Pescara (121014 inhabitants)
91 Km SE of Perugia (166134 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
100 Km NE of Roma (2864731 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 2017-01-12
03:40:35		 42.5903 13.2462 12 2017-01-12
03:48:04		 Sala Sismica INGV-Roma 38914141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-12 03:40:35 ± 0.04
Latitude 42.5903 ± 0.0027
Longitude 13.2462 ± 0.0024
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 38914141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 330
Semi-minor axis of confidence ellipse (meter) 12
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34894
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 38914141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-12 03:48:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2017-01-12T03:40:55.31 3.0 undecidable manual S -0.38 0
IV.VCEL.EHZ. 2017-01-12T03:40:54.99 3.0 undecidable manual S 0.92 0
IV.T1220.EHZ. 2017-01-12T03:40:52.88 3.0 undecidable manual S -2.79 0
IV.CESI.HHZ. 2017-01-12T03:40:52.12 3.0 undecidable manual S -1.86 0
IV.FDMO.HHZ. 2017-01-12T03:40:50.37 3.0 undecidable manual S -2.93 0
IV.MC2.EHZ. 2017-01-12T03:40:49.28 3.0 undecidable manual S 0.44 0
IV.T1215.EHZ. 2017-01-12T03:40:48.72 0.6 undecidable manual S 307 38.7279 92 -0.01 47
IV.T0110.HHZ. 2017-01-12T03:40:46.95 3.0 positive manual P -0.11 0
IV.GIGS.HHZ. 2017-01-12T03:40:46.38 0.6 undecidable manual S 120 30.747 94 -0.22 46
IV.TERO.HHZ. 2017-01-12T03:40:46.19 0.6 undecidable manual S 83 29.4483 94 -0.06 48
IV.T1219.EHZ. 2017-01-12T03:40:45.62 3.0 undecidable manual P -0.78 0
IV.T1212.EHZ. 2017-01-12T03:40:44.70 0.6 undecidable manual S 318 24.2535 96 -0.18 47
IV.MMO1.EHZ. 2017-01-12T03:40:43.20 3.0 negative manual P 0.1 0
IV.ARRO.EHZ. 2017-01-12T03:40:43.75 3.0 positive manual P 0.2 0
IV.T1215.EHZ. 2017-01-12T03:40:43.30 0.1 undecidable manual P 307 38.7279 92 -0.02 95
IV.T1216.EHZ. 2017-01-12T03:40:43.42 3.0 positive manual P -0.1 0
IV.FIAM.HHZ. 2017-01-12T03:40:43.22 3.0 negative manual P 0 0
IV.T1247.HHZ. 2017-01-12T03:40:42.90 0.6 undecidable manual S 165 17.0718 104 -0.07 49
IV.GIGS.HHZ. 2017-01-12T03:40:42.06 0.3 undecidable manual P 120 30.747 94 -0.03 72
IV.LNSS.HHZ. 2017-01-12T03:40:42.83 0.6 undecidable manual S 275 16.872 104 -0.1 49
MN.AQU.HHZ. 2017-01-12T03:40:42.24 3.0 undecidable manual P 0.22 0
IV.NRCA.HHZ. 2017-01-12T03:40:42.01 3.0 positive manual P -0.02 0
IV.T1241.EHZ. 2017-01-12T03:40:42.75 3.0 negative manual P -0.1 0
IV.CAMP.HHZ. 2017-01-12T03:40:42.19 0.6 undecidable manual S 114 14.5743 110 -0.16 49
IV.T1245.HHZ. 2017-01-12T03:40:42.38 3.0 undecidable manual P 0.16 0
IV.TERO.HHZ. 2017-01-12T03:40:41.96 0.1 positive manual P 83 29.4483 94 0.07 96
IV.T1212.EHZ. 2017-01-12T03:40:41.13 0.1 undecidable manual P 318 24.2535 96 0.03 98
IV.LNSS.HHZ. 2017-01-12T03:40:40.08 0.1 positive manual P 275 16.872 104 0.11 97
IV.CAMP.HHZ. 2017-01-12T03:40:39.80 0.1 undecidable manual P 114 14.5743 110 0.16 96
IV.T1247.HHZ. 2017-01-12T03:40:39.99 0.1 negative manual P 165 17.0718 104 -0.01 99
IV.T1299.EHZ. 2017-01-12T03:40:38.60 0.1 positive manual P 31 5.6943 148 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.AQU.HHN. ML:1.4 0.0001115 0.94 AML other m 2017-01-12T03:40:49.49
MN.AQU.HHE. ML:1.2 0.0000852 0.48 AML other m 2017-01-12T03:40:49.65
IV.ARRO.EHE. ML:1.1 0.000047149999999999994 1.8 AML other m 2017-01-12T03:40:52.06
IV.ARRO.EHN. ML:1.2 0.000055799999999999994 0.74 AML other m 2017-01-12T03:40:53.73
IV.CAMP.HHE. ML:1.7 0.0004195 0.48 AML other m 2017-01-12T03:40:42.44
IV.CAMP.HHN. ML:1.8 0.000532 0.58 AML other m 2017-01-12T03:40:43.08
IV.FIAM.HHE. ML:1.3 0.00006865 0.62 AML other m 2017-01-12T03:40:48.70
IV.FIAM.HHN. ML:1.1 0.00004545000000000001 0.74 AML other m 2017-01-12T03:40:54.62
IV.GIGS.HHE. ML:0.9 0.000036200000000000006 0.24 AML other m 2017-01-12T03:40:47.29
IV.GIGS.HHN. ML:0.9 0.0000334 0.68 AML other m 2017-01-12T03:40:48.03
IV.LNSS.HHE. ML:2.1 0.0010765 0.56 AML other m 2017-01-12T03:40:43.21
IV.LNSS.HHN. ML:2.1 0.00108 1.48 AML other m 2017-01-12T03:40:43.15
IV.MOMA.HHE. ML:1.5 0.00006035 0.22 AML other m 2017-01-12T03:40:55.74
IV.MOMA.HHN. ML:1.4 0.0000519 0.74 AML other m 2017-01-12T03:40:56.24
IV.NRCA.HHE. ML:1.8 0.00028799999999999995 0.48 AML other m 2017-01-12T03:40:47.57
IV.NRCA.HHN. ML:1.7 0.0002175 1.2 AML other m 2017-01-12T03:40:46.28
IV.T1212.EHN. ML:1.5 0.00016949999999999997 0.52 AML other m 2017-01-12T03:40:45.18
IV.T1212.EHE. ML:1.4 0.00013900000000000002 0.98 AML other m 2017-01-12T03:40:46.65
IV.T1216.EHE. ML:1.4 0.00009365 0.32 AML other m 2017-01-12T03:40:50.60
IV.T1216.EHN. ML:1.5 0.0001159 0.66 AML other m 2017-01-12T03:40:49.63
IV.T1241.EHE. ML:1.2 0.0000687 1.56 AML other m 2017-01-12T03:40:53.05
IV.T1241.EHN. ML:1.1 0.00005345 0.42 AML other m 2017-01-12T03:40:52.66
IV.T1247.HHE. ML:1.9 0.000643 0.3 AML other m 2017-01-12T03:40:44.71
IV.T1247.HHN. ML:1.8 0.0005665000000000001 0.66 AML other m 2017-01-12T03:40:44.94
IV.T1299.HNN. ML:2.0 0.0013199999999999998 0.38 AML other m 2017-01-12T03:40:40.26
IV.T1299.EHE. ML:1.9 0.001165 0.46 AML other m 2017-01-12T03:40:40.37
IV.T1299.EHN. ML:2.0 0.0014 0.38 AML other m 2017-01-12T03:40:40.25
IV.T1299.HNE. ML:1.9 0.0011400000000000002 0.2 AML other m 2017-01-12T03:40:40.60
IV.TERO.HHN. ML:1.6 0.00019350000000000001 1.12 AML other m 2017-01-12T03:40:49.76
IV.TERO.HHE. ML:1.6 0.00019350000000000001 0.34 AML other m 2017-01-12T03:40:48.79
IV.VCEL.EHN. ML:1.7 0.0001215 1.2 AML other m 2017-01-12T03:40:56.18
IV.VCEL.EHE. ML:1.6 0.00010114999999999999 1.7 AML other m 2017-01-12T03:40:55.89
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