Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 27-08-2016 and time 03:34:47 (Italy) in region 3 km SE Amatrice (RI)

A magnitude ML 1.6 earthquake occured in region: 3 km SE Amatrice (RI), on

  • 27-08-2016 01:34:47 (UTC)
  • 27-08-2016 03:34:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6080, 13.3080 at 8 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 8 542 3199
Capitignano AQ 10 665 3864
Montereale AQ 11 2581 6445
Accumoli RI 11 667 7112
Cittareale RI 12 482 7594
Crognaleto TE 16 1297 8891
Cortino TE 17 656 9547
Barete AQ 17 737 10284
Borbona RI 18 617 10901
Cagnano Amiterno AQ 18 1369 12270
Arquata del Tronto AP 19 1178 13448
Pizzoli AQ 19 4326 17774
Posta RI 20 694 18468
Fano Adriano TE 20 296 18764
Acquasanta Terme AP 20 2916 21680

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)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
93 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
Bulletin
Rev1000 		ML 1.6 2016-08-27
01:34:47		 42.6077 13.3078 9 2019-07-19
13:24:09		 Bollettino Sismico Italiano INGV 64625721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-08-27 01:34:47 ± 0.07
Latitude 42.6077 ± 0.0045
Longitude 13.3078 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64625721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 430
Semi-minor axis of confidence ellipse (meter) 365
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 165
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.10342
Epicentral distance of station farthest from the epicenter (degree) 0.51171
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 64625721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-11 13:12:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2016-08-27T01:34:58.89 0.6 undecidable manual S 344 35.0427 50 -0.63 41
IV.T0110.HHZ. 2016-08-27T01:34:57.58 1.0 negative manual P 137 56.7987 50 -0.06 23
IV.GIGS.HHZ. 2016-08-27T01:34:56.64 0.6 undecidable manual S 128 27.6501 107 -0.51 44
IV.VCEL.EHZ. 2016-08-27T01:34:56.63 0.3 undecidable manual P 118 49.617 50 0.11 69
IV.OFFI.HHZ. 2016-08-27T01:34:56.81 0.3 undecidable manual P 40 47.619 50 0.6 61
IV.LNSS.HHZ. 2016-08-27T01:34:55.07 0.6 undecidable manual S 269 21.867 111 -0.19 48
IV.TERO.HHZ. 2016-08-27T01:34:55.88 0.6 undecidable manual S 86 24.2535 109 -0.16 48
IV.ARRO.EHZ. 2016-08-27T01:34:55.80 0.3 undecidable manual P 266 44.4222 50 0.08 70
IV.FIAM.HHN. 2016-08-27T01:34:55.50 0.6 undecidable manual P 203 40.7259 50 0.34 45
IV.FAGN.HHZ. 2016-08-27T01:34:55.62 0.3 undecidable manual P 149 44.1225 50 -0.06 71
IV.MC2.EHZ. 2016-08-27T01:34:54.21 0.3 undecidable manual P 344 35.0427 50 -0.07 72
IV.T1243.HHZ. 2016-08-27T01:34:53.47 0.6 undecidable manual S 49 15.1737 119 0.32 47
IV.RM33.EHZ. 2016-08-27T01:34:52.72 0.6 undecidable manual S 215 13.3755 123 0.1 49
IV.TERO.HHZ. 2016-08-27T01:34:52.09 0.1 undecidable manual P 86 24.2535 109 -0.18 95
IV.GIGS.HHZ. 2016-08-27T01:34:52.57 0.3 undecidable manual P 128 27.6501 107 -0.35 68
IV.CAMP.HHZ. 2016-08-27T01:34:52.23 0.3 undecidable manual S 134 11.4774 127 0.14 73
IV.LNSS.HHZ. 2016-08-27T01:34:51.78 0.3 undecidable manual P 269 21.867 111 -0.05 74
IV.CAMP.HHZ. 2016-08-27T01:34:50.16 0.1 undecidable manual P 134 11.4774 127 0.17 97
IV.RM33.EHZ. 2016-08-27T01:34:50.32 0.1 undecidable manual P 215 13.3755 123 0.02 100
IV.T1243.HHZ. 2016-08-27T01:34:50.67 0.3 undecidable manual P 49 15.1737 119 0.06 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:1.5 0.0003700233 0.22 AML other m 2016-08-27T01:34:52.40
IV.CAMP.HHN. ML:1.3 0.0002753199 0.26 AML other m 2016-08-27T01:34:53.36
IV.RM33.EHE. ML:1.8 0.0006543898 0.26 AML other m 2016-08-27T01:34:53.65
IV.RM33.EHN. ML:1.6 0.00050399585 0.16 AML other m 2016-08-27T01:34:53.37
IV.RM33.HNN. ML:1.6 0.0005058011 0.16 AML other m 2016-08-27T01:34:53.29
IV.RM33.HNE. ML:1.8 0.00065007905 0.24 AML other m 2016-08-27T01:34:53.65
IV.T1243.HNE. ML:2.0 0.0009347167000000001 0.16 AML other m 2016-08-27T01:34:54.90
IV.T1243.HHN. ML:1.9 0.0008200391 0.16 AML other m 2016-08-27T01:34:54.65
IV.T1243.HHE. ML:2.0 0.0009249113 0.18 AML other m 2016-08-27T01:34:54.90
IV.T1243.HNN. ML:1.9 0.0007937109 0.16 AML other m 2016-08-27T01:34:54.66
IV.LNSS.HHN. ML:1.6 0.0002685313 0.16 AML other m 2016-08-27T01:35:00.14
IV.LNSS.HHE. ML:1.7 0.0003592128 0.18 AML other m 2016-08-27T01:34:59.95
IV.TERO.HHN. ML:1.7 0.0003381324 0.08 AML other m 2016-08-27T01:34:56.03
IV.TERO.HHE. ML:1.7 0.00034542035000000005 0.14 AML other m 2016-08-27T01:34:56.23
IV.TERO.HNE. ML:1.7 0.000311236815 0.14 AML other m 2016-08-27T01:34:56.16
IV.TERO.HNN. ML:1.6 0.00026616796400000004 0.08 AML other m 2016-08-27T01:34:56.03
IV.GIGS.HHN. ML:0.7 0.000024619274999999998 0.36 AML other m 2016-08-27T01:34:59.29
IV.GIGS.HHE. ML:0.8 0.000032109745000000005 0.12 AML other m 2016-08-27T01:34:58.33
IV.FAGN.HHE. ML:1.5 0.00009660830500000001 0.38 AML other m 2016-08-27T01:35:09.18
IV.FAGN.HHN. ML:1.4 0.00007619315500000001 0.48 AML other m 2016-08-27T01:35:08.74
IV.VCEL.EHN. ML:1.6 0.000107022255 0.26 AML other m 2016-08-27T01:35:06.38
IV.VCEL.EHE. ML:1.6 0.000095442855 0.3 AML other m 2016-08-27T01:35:06.84
IV.OFFI.HHE. ML:1.7 0.00014493330000000002 0.36 AML other m 2016-08-27T01:35:06.61
IV.OFFI.HHN. ML:1.8 0.0001720981 0.42 AML other m 2016-08-27T01:35:05.32
IV.T0110.HHN. ML:1.4 0.000055966595 0.34 AML other m 2016-08-27T01:35:17.85
IV.T0110.HHE. ML:1.4 0.000054385009999999996 0.46 AML other m 2016-08-27T01:35:17.62
IV.INTR.HHN. ML:1.3 0.000024073595 0.68 AML other m 2016-08-27T01:35:28.85
IV.INTR.HHE. ML:0.9 0.000011652035500000002 0.7 AML other m 2016-08-27T01:35:22.74
IV.INTR.HNE. ML:0.0 0.0000000796821 1.0104 AML other m 2016-08-27T01:35:29.18
IV.NARO.HHN. ML:1.2 0.000007956414 0.34 AML other m 2016-08-27T01:35:32.91
IV.NARO.HHE. ML:0.9 0.000007058030499999999 0.28 AML other m 2016-08-27T01:35:29.92
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