Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 27-08-2016 and time 04:39:14 (Italy) in region 4 km SE Amatrice (RI)

A magnitude ML 1.6 earthquake occured in region: 4 km SE Amatrice (RI), on

  • 27-08-2016 02:39:14 (UTC)
  • 27-08-2016 04:39:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5990, 13.3070 at 9 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 12 482 7594
Crognaleto TE 15 1297 8891
Barete AQ 17 737 9628
Cortino TE 17 656 10284
Cagnano Amiterno AQ 17 1369 11653
Borbona RI 17 617 12270
Pizzoli AQ 18 4326 16596
Posta RI 19 694 17290
Arquata del Tronto AP 19 1178 18468
Fano Adriano TE 20 296 18764

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)
54 Km E of Terni (111501 inhabitants)
63 Km SE of Foligno (57155 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
76 Km W of Pescara (121014 inhabitants)
76 Km W of Chieti (51815 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
82 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 1.6 2016-08-27
02:39:14		 42.5992 13.3068 9 2016-08-27
18:16:17		 Sala Sismica INGV-Roma 27439801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-08-27 02:39:14 ± 0.06
Latitude 42.5992 ± 0.0036
Longitude 13.3068 ± 0.0049
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 27439801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 396
Semi-minor axis of confidence ellipse (meter) 360
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 168
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.78061
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 27439801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-08-27 18:16:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2016-08-27T02:39:38.99 3.0 undecidable manual S 72.8715 0.17 0
IV.CSP1.EHZ. 2016-08-27T02:39:32.73 0.3 undecidable manual S 351 55.3002 50 0.43 65
IV.GUMA.HHZ. 2016-08-27T02:39:32.30 3.0 undecidable manual S 3 51.5151 50 1.01 0
IV.ARVD.HHZ. 2016-08-27T02:39:32.90 3.0 positive manual P -0.21 0
IV.FDMO.HHZ. 2016-08-27T02:39:31.46 0.3 undecidable manual S 340 51.7038 50 0.11 70
IV.CING.HHZ. 2016-08-27T02:39:29.70 0.3 positive manual P 354 86.6466 50 0.05 67
IV.EL6.EHZ. 2016-08-27T02:39:29.40 0.6 negative manual P 348 82.6506 50 0.35 42
IV.SNTG.HHZ. 2016-08-27T02:39:28.72 3.0 undecidable manual P -0.14 0
IV.INTR.HHZ. 2016-08-27T02:39:28.87 3.0 negative manual P -0.35 0
IV.ASSB.HHZ. 2016-08-27T02:39:27.58 3.0 negative manual P 72.8715 -0.19 0
IV.MMO1.EHZ. 2016-08-27T02:39:26.09 0.3 undecidable manual S 3 33.3444 50 -0.36 69
IV.CESX.HHZ. 2016-08-27T02:39:25.10 3.0 undecidable manual P -0.38 0
IV.T0110.HHZ. 2016-08-27T02:39:25.01 0.1 undecidable manual P 137 56.1993 50 0.04 94
IV.GUMA.HHZ. 2016-08-27T02:39:24.38 0.6 negative manual P 3 51.5151 50 0.14 47
IV.FDMO.HHZ. 2016-08-27T02:39:24.14 0.3 undecidable manual P 340 51.7038 50 -0.13 70
IV.CESI.HHZ. 2016-08-27T02:39:24.88 0.3 undecidable manual P 324 55.6998 50 0 71
IV.OFFI.HHZ. 2016-08-27T02:39:24.48 0.6 negative manual P 40 48.4182 50 0.72 40
IV.VCEL.EHZ. 2016-08-27T02:39:24.28 0.6 undecidable manual P 117 49.2174 50 0.39 44
IV.CSP1.EHZ. 2016-08-27T02:39:24.66 0.6 undecidable manual P 351 55.3002 50 -0.17 46
IV.TERO.HHZ. 2016-08-27T02:39:23.21 0.6 undecidable manual S 84 24.3534 110 -0.41 46
IV.FAGN.HHZ. 2016-08-27T02:39:23.33 0.6 negative manual P 148 43.4232 50 0.34 45
IV.LNSS.HHZ. 2016-08-27T02:39:22.84 0.1 undecidable manual S 271 21.7671 112 0.07 100
IV.ARRO.EHZ. 2016-08-27T02:39:22.69 0.3 undecidable manual P 267 44.2224 50 -0.44 67
IV.FIAM.HHZ. 2016-08-27T02:39:21.95 0.6 positive manual P 203 39.9267 50 -0.5 44
IV.MMO1.EHZ. 2016-08-27T02:39:21.15 0.1 undecidable manual P 3 33.3444 50 -0.29 93
IV.T1243.HHZ. 2016-08-27T02:39:21.02 0.3 undecidable manual S 47 15.7731 119 0.11 75
IV.MC2.EHZ. 2016-08-27T02:39:21.81 0.6 positive manual P 345 35.9418 50 -0.04 49
IV.RM33.EHZ. 2016-08-27T02:39:20.01 0.6 undecidable manual S 217 12.5763 125 0.06 51
IV.NRCA.HHZ. 2016-08-27T02:39:20.67 3.0 negative manual P -0.13 0
IV.CAMP.HHZ. 2016-08-27T02:39:19.48 0.6 undecidable manual S 130 10.878 129 -0.02 51
IV.LNSS.HHZ. 2016-08-27T02:39:19.27 0.1 undecidable manual P 271 21.7671 112 -0.05 100
IV.TERO.HHZ. 2016-08-27T02:39:19.57 0.1 positive manual P 84 24.3534 110 -0.24 96
IV.T1243.HHZ. 2016-08-27T02:39:18.27 0.3 positive manual P 47 15.7731 119 0.02 76
IV.CAMP.HHZ. 2016-08-27T02:39:17.58 0.3 undecidable manual P 130 10.878 129 0.15 75
IV.RM33.EHZ. 2016-08-27T02:39:17.83 0.1 positive manual P 217 12.5763 125 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:1.3 0.0000636 0.18 AML other m 2016-08-27T02:39:30.10
IV.ARRO.EHE. ML:1.3 0.000064125 0.18 AML other m 2016-08-27T02:39:32.31
IV.ARVD.HHN. ML:1.0 0.000010755000000000001 1.2 AML other m 2016-08-27T02:39:50.76
IV.ARVD.HHE. ML:1.2 0.000017100000000000002 0.52 AML other m 2016-08-27T02:39:53.65
IV.ASSB.HHN. ML:1.3 0.00003375 0.8 AML other m 2016-08-27T02:39:43.68
IV.ASSB.HHE. ML:1.3 0.0000317 0.34 AML other m 2016-08-27T02:39:45.06
IV.CAMP.HHE. ML:1.5 0.00039749999999999996 0.52 AML other m 2016-08-27T02:39:19.66
IV.CAMP.HHN. ML:1.4 0.000354 0.34 AML other m 2016-08-27T02:39:22.75
IV.CESI.HHN. ML:1.5 0.0000626 1.28 AML other m 2016-08-27T02:39:35.07
IV.CESI.HHE. ML:1.2 0.00003875 0.98 AML other m 2016-08-27T02:39:37.04
IV.CESX.HHN. ML:1.4 0.00005300000000000001 0.2 AML other m 2016-08-27T02:39:34.58
IV.CESX.HHE. ML:1.3 0.000045249999999999995 0.18 AML other m 2016-08-27T02:39:34.66
IV.CING.HHE. ML:1.7 0.00006359999999999999 1.22 AML other m 2016-08-27T02:39:43.87
IV.CING.HHN. ML:1.6 0.00004285 0.16 AML other m 2016-08-27T02:39:43.70
IV.FAGN.HHE. ML:1.8 0.000213 0.4 AML other m 2016-08-27T02:39:35.00
IV.FAGN.HHN. ML:1.6 0.0001265 0.28 AML other m 2016-08-27T02:39:33.18
IV.FDMO.HHN. ML:1.4 0.00007209999999999999 0.24 AML other m 2016-08-27T02:39:32.18
IV.FDMO.HHE. ML:1.3 0.0000525 1.24 AML other m 2016-08-27T02:39:32.92
IV.FIAM.HHN. ML:1.1 0.000039 0.8 AML other m 2016-08-27T02:39:36.45
IV.FIAM.HHE. ML:1.1 0.000045249999999999995 1.26 AML other m 2016-08-27T02:39:30.43
IV.GIGS.HHN. ML:0.8 0.0000349 0.52 AML other m 2016-08-27T02:39:26.20
IV.GIGS.HHE. ML:0.9 0.00004195 1.38 AML other m 2016-08-27T02:39:26.28
IV.GUMA.HHN. ML:2.0 0.0002475 0.36 AML other m 2016-08-27T02:39:32.81
IV.GUMA.HHE. ML:1.9 0.000183 0.98 AML other m 2016-08-27T02:39:32.43
IV.INTR.HHE. ML:1.0 0.000015555 1.08 AML other m 2016-08-27T02:39:52.35
IV.INTR.HHN. ML:1.4 0.00003585 0.68 AML other m 2016-08-27T02:39:50.14
IV.LNSS.HHE. ML:1.8 0.000438 0.64 AML other m 2016-08-27T02:39:23.38
IV.LNSS.HHN. ML:1.7 0.000326 1.04 AML other m 2016-08-27T02:39:23.89
IV.MC2.EHN. ML:2.5 0.0013449999999999998 1.58 AML other m 2016-08-27T02:40:16.20
IV.MC2.EHE. ML:2.6 0.0016999999999999993 1.58 AML other m 2016-08-27T02:40:16.76
IV.MMO1.EHE. ML:1.7 0.00021100000000000003 0.38 AML other m 2016-08-27T02:39:28.64
IV.MMO1.EHN. ML:1.7 0.0002375 1.52 AML other m 2016-08-27T02:40:30.38
IV.NRCA.HHN. ML:2.4 0.00135 0.1 AML other m 2016-08-27T02:40:14.24
IV.NRCA.HHE. ML:2.3 0.000992 1.1 AML other m 2016-08-27T02:40:14.28
IV.OFFI.HHN. ML:1.8 0.000189 1.06 AML other m 2016-08-27T02:39:33.54
IV.OFFI.HHE. ML:1.9 0.000224 0.36 AML other m 2016-08-27T02:39:34.66
IV.RM33.EHE. ML:1.8 0.0007564999999999999 1.52 AML other m 2016-08-27T02:39:20.23
IV.RM33.HNN. ML:1.8 0.0007350000000000001 1.52 AML other m 2016-08-27T02:39:20.98
IV.RM33.EHN. ML:1.8 0.000801 1.52 AML other m 2016-08-27T02:39:20.98
IV.RM33.HNE. ML:1.8 0.0007889999999999999 1.52 AML other m 2016-08-27T02:39:20.23
IV.SNTG.HHE. ML:1.2 0.000023199999999999998 0.28 AML other m 2016-08-27T02:39:42.89
IV.SNTG.HHN. ML:1.2 0.000019699999999999998 1.02 AML other m 2016-08-27T02:39:40.21
IV.T0110.HHN. ML:1.6 0.00008515000000000001 0.56 AML other m 2016-08-27T02:39:34.93
IV.T0110.HHE. ML:1.5 0.00007209999999999999 1.24 AML other m 2016-08-27T02:39:34.44
IV.T1243.HHN. ML:2.3 0.001825 0.72 AML other m 2016-08-27T02:39:22.58
IV.T1243.HHE. ML:2.4 0.0024699999999999995 0.36 AML other m 2016-08-27T02:39:21.39
IV.T1243.HNE. ML:2.4 0.0025499999999999997 0.36 AML other m 2016-08-27T02:39:21.39
IV.T1243.HNN. ML:2.3 0.0018900000000000002 0.72 AML other m 2016-08-27T02:39:22.22
IV.TERO.HHN. ML:2.0 0.0005625 0.1 AML other m 2016-08-27T02:39:23.79
IV.TERO.HHE. ML:1.7 0.000336 0.54 AML other m 2016-08-27T02:39:23.59
IV.VCEL.EHE. ML:1.7 0.0001305 0.68 AML other m 2016-08-27T02:39:32.64
IV.VCEL.EHN. ML:1.6 0.00011509999999999999 1 AML other m 2016-08-27T02:39:34.15
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
Waveforms Seismic signals in miniseed + resp format Download