Earthquake with magnitude of ML 1.4 on date 28-08-2017 and time 15:43:41 (Italy) in region 3 km W Accumoli (RI)

A magnitude ML 1.4 earthquake occured in region: 3 km W Accumoli (RI), on

  • 28-08-2017 13:43:41 (UTC)
  • 28-08-2017 15:43:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7020, 13.2190 at 11 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Accumoli RI 3 667 667
Amatrice RI 10 2657 3324
Arquata del Tronto AP 10 1178 4502
Cittareale RI 11 482 4984
Norcia PG 14 4957 9941
Cascia PG 17 3217 13158
Acquasanta Terme AP 17 2916 16074
Montegallo AP 18 523 16597
Montereale AQ 20 2581 19178

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Teramo (54892 inhabitants)
42 Km NW of L'Aquila (69753 inhabitants)
49 Km E of Terni (111501 inhabitants)
51 Km SE of Foligno (57155 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
81 Km SE of Perugia (166134 inhabitants)
86 Km W of Pescara (121014 inhabitants)
87 Km W of Chieti (51815 inhabitants)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km NE of Tivoli (56533 inhabitants)
97 Km E of Viterbo (67173 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 1.4 2017-08-28
13:43:41
42.7023 13.2192 11 2017-08-28
14:08:20
Sala Sismica INGV-Roma 49453451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-08-28 13:43:41 ± 0.04
Latitude 42.7023 ± 0.0027
Longitude 13.2192 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 49453451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 328
Semi-minor axis of confidence ellipse (meter) 227
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
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) 66
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48743
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 49453451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-08-28 14:08:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LAV9.HHZ. 2017-08-28T13:44:00.99 3.0 undecidable manual P -0.3 0
IV.MOMA.HHZ. 2017-08-28T13:43:59.09 0.3 undecidable manual S 282 54.1014 50 0.43 63
IV.CSP1.EHZ. 2017-08-28T13:43:56.10 0.6 undecidable manual S 358 43.2234 50 0.33 44
IV.CESI.HHZ. 2017-08-28T13:43:55.18 0.3 undecidable manual S 323 42.2244 50 -0.31 66
IV.GIGS.HHZ. 2017-08-28T13:43:54.76 0.1 undecidable manual S 134 40.0266 50 -0.14 92
IV.TERO.HHZ. 2017-08-28T13:43:52.82 0.1 undecidable manual S 106 32.6451 50 -0.11 94
IV.OFFI.HHZ. 2017-08-28T13:43:51.60 3.0 negative manual P 1.44 0
IV.MOMA.HHZ. 2017-08-28T13:43:51.69 0.3 undecidable manual P 282 54.1014 50 0.18 67
IV.T1216.EHZ. 2017-08-28T13:43:50.85 0.3 undecidable manual S 322 26.4513 50 -0.45 66
IV.CSP1.EHZ. 2017-08-28T13:43:50.18 0.6 undecidable manual P 358 43.2234 50 0.34 44
IV.MMO1.EHZ. 2017-08-28T13:43:50.26 0.3 undecidable manual S 22 23.5542 50 -0.25 69
IV.CAMP.HHZ. 2017-08-28T13:43:50.67 0.1 undecidable manual S 140 24.1536 50 0 97
IV.MC2.EHZ. 2017-08-28T13:43:50.88 0.3 undecidable manual S 354 23.3544 50 0.42 67
IV.RM33.EHZ. 2017-08-28T13:43:49.92 0.1 undecidable manual S 181 21.4674 50 -0.03 97
IV.GIGS.HHZ. 2017-08-28T13:43:49.06 0.3 undecidable manual P 134 40.0266 50 -0.28 67
IV.CESI.HHZ. 2017-08-28T13:43:49.54 0.3 undecidable manual P 323 42.2244 50 -0.14 69
IV.ARRO.EHZ. 2017-08-28T13:43:49.02 3.0 positive manual P 0.04 0
MN.AQU.HHZ. 2017-08-28T13:43:49.71 3.0 positive manual P 0.12 0
IV.TERO.HHZ. 2017-08-28T13:43:48.16 0.1 undecidable manual P 106 32.6451 50 -0.04 95
IV.MTRA.EHZ. 2017-08-28T13:43:48.28 0.1 undecidable manual S 67 15.6732 125 -0.09 97
IV.SMA1.EHZ. 2017-08-28T13:43:47.67 0.3 undecidable manual S 130 12.3765 131 0.2 71
IV.T1216.EHZ. 2017-08-28T13:43:47.31 0.3 undecidable manual P 322 26.4513 50 0.05 72
IV.CAMP.HHZ. 2017-08-28T13:43:46.92 0.1 undecidable manual P 140 24.1536 50 0.03 97
IV.T1218.EHZ. 2017-08-28T13:43:46.55 0.1 undecidable manual S 247 9.1797 140 -0.15 97
IV.MC2.EHZ. 2017-08-28T13:43:46.90 0.1 undecidable manual P 354 23.3544 50 0.12 95
IV.RM33.EHZ. 2017-08-28T13:43:46.59 0.1 undecidable manual P 181 21.4674 50 0.11 96
IV.T1213.EHZ. 2017-08-28T13:43:46.15 0.1 undecidable manual S 288 7.9809 144 -0.3 94
IV.MMO1.EHZ. 2017-08-28T13:43:46.72 0.1 undecidable manual P 22 23.5542 50 -0.09 96
IV.T1214.EHZ. 2017-08-28T13:43:46.15 0.1 undecidable manual S 352 6.3936 150 0.01 100
IV.MTRA.EHZ. 2017-08-28T13:43:45.59 0.1 undecidable manual P 67 15.6732 125 0.02 98
IV.SMA1.EHZ. 2017-08-28T13:43:45.29 0.1 undecidable manual P 130 12.3765 131 0.24 94
IV.T1213.EHZ. 2017-08-28T13:43:44.46 0.1 undecidable manual P 288 7.9809 144 0 100
IV.T1214.EHZ. 2017-08-28T13:43:44.43 0.1 undecidable manual P 352 6.3936 150 0.15 97
IV.T1218.EHZ. 2017-08-28T13:43:44.66 0.1 undecidable manual P 247 9.1797 140 0.05 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1218.HNE. ML:1.9 0.0009115 0.2 AML other m 2017-08-28T13:43:46.66
IV.T1218.EHE. ML:1.9 0.0009065000000000001 0.22 AML other m 2017-08-28T13:43:46.67
IV.T1218.HNN. ML:2.2 0.00197 0.16 AML other m 2017-08-28T13:43:46.65
IV.T1218.EHN. ML:2.2 0.00202 0.16 AML other m 2017-08-28T13:43:46.73
IV.T1214.EHN. ML:1.5 0.000429 1.32 AML other m 2017-08-28T13:43:46.17
IV.T1214.EHE. ML:1.5 0.00041349999999999997 0.72 AML other m 2017-08-28T13:43:47.45
IV.SMA1.EHE. ML:1.4 0.0002935 0.28 AML other m 2017-08-28T13:43:48.37
IV.MTRA.EHE. ML:1.6 0.000391 0.88 AML other m 2017-08-28T13:43:48.12
IV.SMA1.EHN. ML:1.4 0.00029200000000000005 0.92 AML other m 2017-08-28T13:43:48.67
IV.MTRA.EHN. ML:1.5 0.00027850000000000005 0.54 AML other m 2017-08-28T13:43:49.12
IV.RM33.EHN. ML:1.2 0.00011344999999999999 0.96 AML other m 2017-08-28T13:43:50.15
IV.RM33.EHE. ML:1.1 0.0000923 0.36 AML other m 2017-08-28T13:43:50.50
IV.CAMP.HHN. ML:0.9 0.000045600000000000004 0.98 AML other m 2017-08-28T13:43:50.92
IV.CAMP.HHE. ML:0.9 0.00005095 0.3 AML other m 2017-08-28T13:43:50.83
IV.TERO.HHE. ML:1.2 0.00007505000000000001 0.84 AML other m 2017-08-28T13:43:53.77
IV.TERO.HHN. ML:1.4 0.0001115 0.8 AML other m 2017-08-28T13:43:53.15
MN.AQU.HHE. ML:1.7 0.00014900000000000002 0.08 AML other m 2017-08-28T13:43:53.65
IV.GIGS.HHE. ML:0.9 0.00002675 0.92 AML other m 2017-08-28T13:43:54.47
IV.ARRO.EHN. ML:1.3 0.000068 1.38 AML other m 2017-08-28T13:43:55.08
IV.GIGS.HHN. ML:0.6 0.000017349999999999998 0.16 AML other m 2017-08-28T13:43:55.43
IV.CESI.HHE. ML:1.0 0.0000276 0.94 AML other m 2017-08-28T13:43:55.91
IV.ARRO.EHE. ML:1.2 0.00005915 0.18 AML other m 2017-08-28T13:43:56.57
IV.CESI.HHN. ML:1.2 0.000051200000000000004 0.56 AML other m 2017-08-28T13:43:57.95
IV.MOMA.HHN. ML:1.3 0.000045199999999999994 0.18 AML other m 2017-08-28T13:44:01.20
IV.MOMA.HHE. ML:1.4 0.000058099999999999996 0.2 AML other m 2017-08-28T13:44:01.59
MN.AQU.HHN. ML:1.6 0.0001175 1.48 AML other m 2017-08-28T13:44:02.20
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download