Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 27-08-2016 and time 01:56:29 (Italy) in region 3 km NE Amatrice (RI)

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

  • 26-08-2016 23:56:29 (UTC)
  • 27-08-2016 01:56:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6530, 13.3100 at 12 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
Accumoli RI 7 667 3324
Campotosto AQ 12 542 3866
Cittareale RI 13 482 4348
Arquata del Tronto AP 13 1178 5526
Capitignano AQ 15 665 6191
Montereale AQ 15 2581 8772
Acquasanta Terme AP 15 2916 11688
Cortino TE 17 656 12344
Valle Castellana TE 18 977 13321
Crognaleto TE 18 1297 14618
Rocca Santa Maria TE 18 537 15155

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Teramo (54892 inhabitants)
34 Km N of L'Aquila (69753 inhabitants)
55 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
77 Km W of Pescara (121014 inhabitants)
78 Km W of Chieti (51815 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
91 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 2016-08-26
23:56:29		 42.6532 13.3103 12 2019-02-12
13:57:34		 Bollettino Sismico Italiano INGV 41856131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-08-26 23:56:29 ± 0.05
Latitude 42.6532 ± 0.0027
Longitude 13.3103 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 41856131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 370
Semi-minor axis of confidence ellipse (meter) 95
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 235
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.69248
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 20
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 41856131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-03-02 17:34:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2016-08-26T23:56:51.99 3.0 undecidable manual S 0.04 0
IV.CESI.HHZ. 2016-08-26T23:56:46.10 0.6 undecidable manual S 320 51.1155 91 0.17 47
IV.FAGN.HHZ. 2016-08-26T23:56:45.70 1.0 undecidable manual S 152 48.4182 92 0.48 22
IV.FIAM.HHZ. 2016-08-26T23:56:44.40 0.6 undecidable manual S 200 45.5211 92 -0.05 49
IV.EL6.EHZ. 2016-08-26T23:56:43.17 0.6 undecidable manual P 347 76.8675 91 0.07 46
IV.PTQR.HHZ. 2016-08-26T23:56:42.79 1.0 undecidable manual P 174 70.374 91 0.69 19
IV.SNTG.HHZ. 2016-08-26T23:56:42.38 0.3 undecidable manual P 336 73.1712 91 -0.15 68
IV.T0110.HHZ. 2016-08-26T23:56:40.66 0.6 undecidable manual P 141 60.495 91 0.08 47
IV.GIGS.HHZ. 2016-08-26T23:56:40.20 0.3 undecidable manual S 136 30.8469 93 -0.32 71
IV.CESI.HHZ. 2016-08-26T23:56:39.01 0.1 undecidable manual P 320 51.1155 91 -0.12 95
IV.ARRO.EHZ. 2016-08-26T23:56:38.18 0.6 undecidable manual P 260 45.2214 92 -0.04 49
IV.LNSS.HHZ. 2016-08-26T23:56:38.20 0.6 undecidable manual S 256 22.755 96 -0.16 50
IV.CSP1.EHZ. 2016-08-26T23:56:38.76 0.3 undecidable manual P 350 49.4172 91 -0.11 71
IV.FDMO.HHZ. 2016-08-26T23:56:38.18 0.3 undecidable manual P 337 46.2204 92 -0.2 70
IV.OFFI.HHZ. 2016-08-26T23:56:38.89 0.3 undecidable manual P 44 43.7229 92 0.9 57
IV.TERO.HHZ. 2016-08-26T23:56:38.50 0.6 undecidable manual S 98 24.1536 95 -0.25 48
IV.GUMA.HHZ. 2016-08-26T23:56:38.46 0.6 undecidable manual P 3 45.5211 92 0.2 47
IV.FIAM.HHZ. 2016-08-26T23:56:38.10 0.3 undecidable manual P 200 45.5211 92 -0.17 71
IV.NRCA.HNZ. 2016-08-26T23:56:38.90 0.6 undecidable manual S 321 25.6521 94 -0.23 48
IV.FAGN.HHZ. 2016-08-26T23:56:38.75 0.6 undecidable manual P 152 48.4182 92 0.04 48
IV.RM33.EHZ. 2016-08-26T23:56:37.00 0.3 undecidable manual S 206 17.7711 101 -0.06 77
IV.CAMP.HHZ. 2016-08-26T23:56:36.30 0.3 undecidable manual S 148 15.2736 106 -0.11 76
IV.T1243.HHZ. 2016-08-26T23:56:35.60 0.3 undecidable manual S 67 12.2766 117 -0.05 77
IV.MC2.EHZ. 2016-08-26T23:56:35.91 0.3 undecidable manual P 341 30.3474 93 -0.02 75
IV.NRCA.HNZ. 2016-08-26T23:56:35.06 0.3 undecidable manual P 321 25.6521 94 -0.14 74
IV.GIGS.HHZ. 2016-08-26T23:56:35.84 0.3 undecidable manual P 136 30.8469 93 -0.16 73
IV.LNSS.HHZ. 2016-08-26T23:56:35.17 0.6 undecidable manual P 256 22.755 96 0.41 47
IV.TERO.HHZ. 2016-08-26T23:56:34.91 0.3 undecidable manual P 98 24.1536 95 -0.07 75
IV.RM33.EHZ. 2016-08-26T23:56:34.20 0.1 undecidable manual P 206 17.7711 101 0.2 98
IV.T1243.HHZ. 2016-08-26T23:56:33.29 0.3 undecidable manual P 67 12.2766 117 0.1 77
IV.CAMP.HHZ. 2016-08-26T23:56:33.79 0.1 undecidable manual P 148 15.2736 106 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:1.3 0.0000622 0.14 AML other m 2016-08-26T23:57:10.33
IV.ARRO.EHN. ML:1.5 0.00009285000000000001 0.16 AML other m 2016-08-26T23:57:10.94
IV.CAMP.HHE. ML:0.0 0.00031768 0.2432 AML other m 2016-08-26T23:56:36.48
IV.CAMP.HHN. ML:0.0 0.00028062549999999996 0.2048 AML other m 2016-08-26T23:56:36.48
IV.CESI.HHN. ML:0.0 0.000042507205 0.32 AML other m 2016-08-26T23:56:47.40
IV.CESI.HHE. ML:0.0 0.0000271852 0.2176 AML other m 2016-08-26T23:56:48.92
IV.FAGN.HHE. ML:1.6 0.00010690000000000001 0.28 AML other m 2016-08-26T23:56:55.31
IV.FAGN.HHN. ML:1.4 0.00007519999999999998 0.26 AML other m 2016-08-26T23:56:56.52
IV.FDMO.HHE. ML:0.0 0.000034710825 0.7424 AML other m 2016-08-26T23:56:45.57
IV.FDMO.HHN. ML:1.8 0.00017549999999999998 0.2 AML other m 2016-08-26T23:57:05.54
IV.FIAM.HHN. ML:0.0 0.000035196909999999996 0.7936 AML other m 2016-08-26T23:56:50.20
IV.FIAM.HHE. ML:1.3 0.00005275 1.76 AML other m 2016-08-26T23:56:49.01
IV.GIGS.HHE. ML:0.0 0.000060330624999999996 0.1024 AML other m 2016-08-26T23:56:40.46
IV.GIGS.HHN. ML:0.0 0.00004408056 0.9216 AML other m 2016-08-26T23:56:40.37
IV.GUMA.HNN. ML:2.1 0.00036697250000000003 0.64 AML other m 2016-08-26T23:56:45.22
IV.GUMA.HHN. ML:1.6 0.0001120858 0.256 AML other m 2016-08-26T23:56:59.22
IV.GUMA.HHE. ML:1.7 0.00014592025 0.2944 AML other m 2016-08-26T23:56:45.90
IV.LNSS.HHN. ML:1.2 0.00011025484 1.0624 AML other m 2016-08-26T23:56:39.18
IV.LNSS.HHE. ML:1.4 0.0001420014 2.1248 AML other m 2016-08-26T23:56:39.97
IV.NRCA.HNE. ML:1.7 0.00026784445000000004 0.0896 AML other m 2016-08-26T23:56:39.72
IV.NRCA.HHE. ML:1.7 0.0031550000000000003 0.7 AML other m 2016-08-26T23:56:59.75
IV.NRCA.HNN. ML:1.8 0.00039392120000000005 0.128 AML other m 2016-08-26T23:56:39.72
IV.NRCA.HHN. ML:1.9 0.0016200000000000001 0.12 AML other m 2016-08-26T23:57:31.16
IV.OFFI.HHN. ML:1.7 0.0001545 1.7 AML other m 2016-08-26T23:57:11.03
IV.OFFI.HHE. ML:1.6 0.0001245 1.58 AML other m 2016-08-26T23:57:12.12
IV.RM33.EHE. ML:0.0 0.00038474759999999994 0.2944 AML other m 2016-08-26T23:56:37.45
IV.RM33.HNN. ML:0.0 0.00038992089999999996 0.2688 AML other m 2016-08-26T23:56:37.16
IV.RM33.EHN. ML:1.7 0.0016549999999999998 0.64 AML other m 2016-08-26T23:56:43.21
IV.RM33.HNE. ML:1.7 0.003685 0.26 AML other m 2016-08-26T23:56:43.22
IV.SNTG.HHE. ML:0.0 0.000014405879999999999 0.1536 AML other m 2016-08-26T23:56:53.91
IV.SNTG.HHN. ML:0.0 0.000014921630000000002 0.1664 AML other m 2016-08-26T23:56:53.84
IV.SNTG.HNN. ML:2.0 0.0001683884 1.1264 AML other m 2016-08-26T23:56:55.52
IV.T0110.HHE. ML:1.4 0.0000452 0.66 AML other m 2016-08-26T23:56:59.49
IV.T0110.HHN. ML:0.0 0.00006305468999999999 0.2944 AML other m 2016-08-26T23:56:52.15
IV.T1243.HHE. ML:2.1 0.0014399999999999999 1.66 AML other m 2016-08-26T23:56:35.06
IV.T1243.HHN. ML:0.0 0.0007211266000000001 0.2432 AML other m 2016-08-26T23:56:35.97
IV.T1243.HNN. ML:1.7 0.0005230885000000001 0.0768 AML other m 2016-08-26T23:56:35.94
IV.T1243.HNE. ML:2.1 0.0012883595 0.1664 AML other m 2016-08-26T23:56:36.06
IV.TERO.HHN. ML:1.5 0.000251 1.5 AML other m 2016-08-26T23:57:07.76
IV.TERO.HHE. ML:0.0 0.00017841715 0.1408 AML other m 2016-08-26T23:56:38.59
IV.TERO.HNE. ML:1.4 0.0001610755 0.4864 AML other m 2016-08-26T23:56:38.83
IV.TERO.HNN. ML:1.4 0.00015761015000000003 0.1024 AML other m 2016-08-26T23:56:38.92
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
Waveforms Seismic signals in miniseed + resp format Download