Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 26-08-2016 and time 14:53:34 (Italy) in region 5 km NW Arquata del Tronto (AP)

A magnitude ML 1.6 earthquake occured in region: 5 km NW Arquata del Tronto (AP), on

  • 26-08-2016 12:53:34 (UTC)
  • 26-08-2016 14:53:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8060, 13.2520 at 10 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Arquata del Tronto AP 5 1178 1178
Montegallo AP 8 523 1701
Montemonaco AP 12 604 2305
Accumoli RI 12 667 2972
Castelsantangelo sul Nera MC 13 281 3253
Norcia PG 13 4957 8210
Acquasanta Terme AP 14 2916 11126
Montefortino FM 17 1178 12304
Ussita MC 18 444 12748
Preci PG 19 724 13472
Visso MC 19 1107 14579
Roccafluvione AP 19 2010 16589
Amatrice RI 20 2657 19246
Palmiano AP 20 196 19442

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Teramo (54892 inhabitants)
48 Km E of Foligno (57155 inhabitants)
52 Km N of L'Aquila (69753 inhabitants)
56 Km E of Terni (111501 inhabitants)
78 Km E of Perugia (166134 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
87 Km W of Pescara (121014 inhabitants)
91 Km NW of Chieti (51815 inhabitants)
93 Km S of Ancona (100861 inhabitants)
99 Km NE of Guidonia Montecelio (88673 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
12:53:34		 42.8065 13.2522 10 2019-02-12
13:57:34		 Bollettino Sismico Italiano INGV 41694191
Reviewed
Rev100 		ML 1.7 2016-08-26
12:53:34		 42.8012 13.248 9 2016-08-26
13:12:59		 Sala Sismica INGV-Roma 27304091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-08-26 12:53:34 ± 0.05
Latitude 42.8065 ± 0.0027
Longitude 13.2522 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 41694191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 373
Semi-minor axis of confidence ellipse (meter) 216
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
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) 95
Number of associated phases, regardless of their use for origin computation 61
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.72755
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 41694191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-02-27 11:13:14

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 7
Type of magnitude ML
Reference to an origin 27304091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-08-26 13:12:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRMO.HHZ. 2016-08-26T12:55:26.99 3.0 undecidable manual Sn -0.96 0
IV.LEOD.HNZ. 2016-08-26T12:55:20.99 3.0 undecidable manual Sg 10.53 0
IV.IACL.HHZ. 2016-08-26T12:55:17.99 3.0 undecidable manual Sn -8.69 0
IV.MAGA.HHZ. 2016-08-26T12:55:09.99 3.0 undecidable manual Sn -1.5 0
IV.QLNO.HHZ. 2016-08-26T12:54:48.59 3.0 undecidable manual Pg 16.65 0
IV.EUCT.HNZ. 2016-08-26T12:54:48.01 3.0 undecidable manual Pg 16.57 0
CH.FUSIO.HHZ. 2016-08-26T12:54:47.28 3.0 undecidable manual Pn 0.78 0
CR.ZAG.BHZ. 2016-08-26T12:54:35.40 3.0 undecidable manual Pg 6.9 0
SL.LJU.BHZ. 2016-08-26T12:54:30.82 3.0 undecidable manual Pg 5.35 0
IV.CSNT.HHZ. 2016-08-26T12:54:24.99 3.0 undecidable manual Sn 1.91 0
IV.MNTV.HNZ. 2016-08-26T12:54:20.54 3.0 negative manual Pn 0.92 0
IV.ZCCA.HHZ. 2016-08-26T12:54:18.82 3.0 negative manual Pg 8.65 0
IV.VBKN.HHZ. 2016-08-26T12:54:05.39 3.0 positive manual Pn -0.62 0
IV.SNTG.HHZ. 2016-08-26T12:53:52.43 0.6 undecidable manual S 333 55.7997 50 0.51 42
IV.GIUL.HHZ. 2016-08-26T12:53:52.04 3.0 negative manual P -1.36 0
IV.ASSB.HHZ. 2016-08-26T12:53:52.16 0.3 undecidable manual S 299 54.9006 50 0.49 63
IV.GIGS.HHZ. 2016-08-26T12:53:50.19 0.3 undecidable manual S 146 47.1195 50 0.59 61
IV.ARVD.HHZ. 2016-08-26T12:53:48.41 0.6 undecidable manual P 342 80.7636 50 0.12 43
IV.TERO.HHZ. 2016-08-26T12:53:46.54 0.3 undecidable manual S 125 35.1426 50 0.13 70
IV.CESI.HHZ. 2016-08-26T12:53:46.88 0.3 undecidable manual S 308 35.8419 50 0.3 68
IV.RM33.EHZ. 2016-08-26T12:53:45.94 0.3 undecidable manual S 185 33.1446 50 0.07 71
IV.CAMP.HHZ. 2016-08-26T12:53:45.46 0.3 undecidable manual S 157 32.6451 50 -0.28 68
IV.EL6.EHZ. 2016-08-26T12:53:45.06 0.3 undecidable manual P 348 59.2962 50 0.08 68
IV.CSP1.EHZ. 2016-08-26T12:53:45.59 0.3 undecidable manual S 353 31.8459 50 0.05 72
IV.LNSS.HHZ. 2016-08-26T12:53:44.21 0.1 undecidable manual S 217 28.4493 50 -0.4 89
IV.ASSB.HHZ. 2016-08-26T12:53:44.15 0.1 undecidable manual P 299 54.9006 50 -0.15 90
IV.FDMO.HHZ. 2016-08-26T12:53:44.62 0.3 undecidable manual S 332 28.8489 50 -0.1 72
IV.SNTG.HHZ. 2016-08-26T12:53:44.43 0.3 undecidable manual P 333 55.7997 50 -0.01 69
IV.GIGS.HHZ. 2016-08-26T12:53:43.04 0.3 undecidable manual P 146 47.1195 50 -0.07 70
IV.ARRO.EHZ. 2016-08-26T12:53:42.95 0.3 undecidable manual P 238 47.0196 50 -0.14 69
IV.T1243.HHZ. 2016-08-26T12:53:42.06 0.3 undecidable manual S 127 20.0688 115 0.1 73
IV.CESI.HHZ. 2016-08-26T12:53:41.25 0.1 negative manual P 308 35.8419 50 -0.11 94
IV.T1212.EHZ. 2016-08-26T12:53:41.76 0.3 undecidable manual S 250 17.9709 118 0.47 67
IV.T1218.HNZ. 2016-08-26T12:53:41.70 0.3 undecidable manual S 216 18.7701 117 0.15 72
IV.TERO.HHZ. 2016-08-26T12:53:41.06 0.1 undecidable manual P 125 35.1426 50 -0.21 92
IV.CAMP.HHZ. 2016-08-26T12:53:40.61 0.1 undecidable manual P 157 32.6451 50 -0.26 92
IV.CSP1.EHZ. 2016-08-26T12:53:40.58 0.3 undecidable manual P 353 31.8459 50 -0.18 70
IV.T1204.EHZ. 2016-08-26T12:53:40.96 0.3 undecidable manual S 160 15.3735 122 0.44 68
IV.T1213.HNZ. 2016-08-26T12:53:40.36 0.3 undecidable manual S 229 13.6752 125 0.33 70
IV.RM33.EHZ. 2016-08-26T12:53:40.85 0.1 undecidable manual P 185 33.1446 50 -0.1 95
IV.FDMO.HHZ. 2016-08-26T12:53:40.05 0.1 undecidable manual P 332 28.8489 50 -0.23 93
IV.FEMA.HNZ. 2016-08-26T12:53:39.98 0.1 undecidable manual P 316 23.8539 112 0.6 85
IV.NRCA.HNZ. 2016-08-26T12:53:39.13 0.3 undecidable manual S 285 11.5773 129 -0.32 70
IV.T1202.EHZ. 2016-08-26T12:53:39.62 0.3 undecidable manual S 191 11.6772 129 0.17 73
IV.MMO1.EHZ. 2016-08-26T12:53:39.54 0.3 undecidable manual S 30 11.9769 129 0 75
IV.LNSS.HHZ. 2016-08-26T12:53:39.97 0.1 undecidable manual P 217 28.4493 50 -0.26 92
IV.MC2.EHZ. 2016-08-26T12:53:39.92 0.3 undecidable manual S 336 12.6762 127 0.17 72
IV.T1243.HHZ. 2016-08-26T12:53:38.63 0.3 undecidable manual P 127 20.0688 115 -0.06 73
IV.T1212.EHZ. 2016-08-26T12:53:38.32 0.1 undecidable manual P 250 17.9709 118 0.01 99
IV.T1204.EHZ. 2016-08-26T12:53:38.04 0.3 undecidable manual P 160 15.3735 122 0.18 72
IV.T1218.HNZ. 2016-08-26T12:53:38.37 0.1 undecidable manual P 216 18.7701 117 -0.09 97
IV.T1201.HNZ. 2016-08-26T12:53:38.47 0.3 undecidable manual P 180 16.5723 120 0.41 68
IV.MC2.EHZ. 2016-08-26T12:53:37.50 0.3 undecidable manual P 336 12.6762 127 0.08 74
IV.T1242.HNZ. 2016-08-26T12:53:37.40 0.3 undecidable manual S 303 4.5954 154 -0.52 68
IV.NRCA.HNZ. 2016-08-26T12:53:37.13 0.1 undecidable manual P 285 11.5773 129 -0.12 98
IV.T1202.EHZ. 2016-08-26T12:53:37.39 0.1 undecidable manual P 191 11.6772 129 0.14 97
IV.MMO1.EHZ. 2016-08-26T12:53:37.29 0.1 undecidable manual P 30 11.9769 129 -0.01 100
IV.T1214.HNZ. 2016-08-26T12:53:37.61 0.3 undecidable manual S 214 6.2937 147 -0.59 66
IV.T1213.HNZ. 2016-08-26T12:53:37.82 0.3 undecidable manual P 229 13.6752 125 0.24 71
IV.T1214.HNZ. 2016-08-26T12:53:36.21 0.1 undecidable manual P 214 6.2937 147 -0.31 95
IV.T1242.HNZ. 2016-08-26T12:53:36.02 0.3 undecidable manual P 303 4.5954 154 -0.34 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.6 0.00009125 1.5 AML other m 2016-08-26T12:53:53.00
IV.ASSB.HHE. ML:1.4 0.00006455 0.5 AML other m 2016-08-26T12:53:55.50
IV.CESI.HHN. ML:1.8 0.0002225 0.62 AML other m 2016-08-26T12:53:47.16
IV.CESI.HHE. ML:1.6 0.00014350000000000002 0.52 AML other m 2016-08-26T12:53:47.28
IV.FDMO.HHN. ML:1.6 0.000178 0.16 AML other m 2016-08-26T12:53:45.08
IV.FDMO.HHE. ML:1.5 0.0001615 1.42 AML other m 2016-08-26T12:53:46.71
IV.MMO1.EHN. ML:1.9 0.0009005 0.5 AML other m 2016-08-26T12:53:41.70
IV.MMO1.EHE. ML:1.8 0.0008305 1.58 AML other m 2016-08-26T12:53:43.95
IV.SNTG.HHE. ML:1.4 0.00006154999999999999 0.14 AML other m 2016-08-26T12:53:53.64
IV.SNTG.HHN. ML:1.3 0.000048899999999999996 0.44 AML other m 2016-08-26T12:53:58.21
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