Earthquake with magnitude of ML 1.1 on date 28-08-2017 and time 21:53:22 (Italy) in region 1 km W Configni (RI)

A magnitude ML 1.1 earthquake occured in region: 1 km W Configni (RI), on

  • 28-08-2017 19:53:22 (UTC)
  • 28-08-2017 21:53:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4240, 12.6340 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Configni RI 1 633 633
Vacone RI 4 256 889
Cottanello RI 5 563 1452
Montasola RI 6 395 1847
Calvi dell'Umbria TR 6 1856 3703
Montebuono RI 7 883 4586
Torri in Sabina RI 8 1256 5842
Tarano RI 8 1444 7286
Stroncone TR 9 4917 12203
Casperia RI 10 1246 13449
Contigliano RI 11 3783 17232
Selci RI 12 1106 18338
Greccio RI 12 1558 19896
Collevecchio RI 12 1577 21473
Roccantica RI 12 563 22036
Otricoli TR 13 1869 23905
Cantalupo in Sabina RI 13 1685 25590
Forano RI 14 3179 28769
Magliano Sabina RI 14 3774 32543
Narni TR 14 19785 52328
Colli sul Velino RI 15 533 52861
Poggio Catino RI 15 1341 54202
Stimigliano RI 15 2328 56530
Terni TR 15 111501 168031
Monte San Giovanni in Sabina RI 16 714 168745
Labro RI 18 374 169119
Poggio Mirteto RI 18 6315 175434
Filacciano RM 19 477 175911
Rieti RI 19 47698 223609
Ponzano Romano RM 19 1155 224764
Gallese VT 20 2849 227613
Morro Reatino RI 20 373 227986

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km S of Terni (111501 inhabitants)
43 Km E of Viterbo (67173 inhabitants)
48 Km N of Guidonia Montecelio (88673 inhabitants)
53 Km N of Tivoli (56533 inhabitants)
60 Km S of Foligno (57155 inhabitants)
60 Km N of Roma (2864731 inhabitants)
63 Km W of L'Aquila (69753 inhabitants)
78 Km E of Civitavecchia (52991 inhabitants)
79 Km S of Perugia (166134 inhabitants)
79 Km NE of Fiumicino (78395 inhabitants)
83 Km N of Velletri (53303 inhabitants)
85 Km N of Pomezia (62966 inhabitants)
92 Km W of Teramo (54892 inhabitants)
92 Km N of Aprilia (73446 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 1.1 2017-08-28
19:53:22
42.4242 12.6343 9 2017-08-28
19:58:30
Sala Sismica INGV-Roma 49461191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-08-28 19:53:22 ± 0.23
Latitude 42.4242 ± 0.0099
Longitude 12.6343 ± 0.0085
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 49461191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1116
Semi-minor axis of confidence ellipse (meter) 602
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 21
Circular confidence region, given by single value of horizontal uncertainty (meter) 1120.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 279
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.74104
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.0
Num. used stations 4
Type of magnitude ML
Reference to an origin 49461191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-08-28 19:58:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2017-08-28T19:55:07.40 3.0 negative manual Pg 17.700001 0
IV.SPS2.HHZ. 2017-08-28T19:54:41.37 3.0 negative manual Pg 18.57 0
IV.EUCT.HNZ. 2017-08-28T19:54:40.20 3.0 undecidable manual Sn 2.58 0
IV.SERS.HHZ. 2017-08-28T19:54:35.84 3.0 positive manual Pn 8.05 0
GU.BURY.HHZ. 2017-08-28T19:54:22.39 3.0 undecidable manual Pg 14.36 0
IV.MILN.HHZ. 2017-08-28T19:54:14.29 3.0 undecidable manual Pg 12.39 0
IV.TERO.HHZ. 2017-08-28T19:53:47.62 0.6 undecidable manual S 74 82.251 50 -0.12 46
IV.VENL.HNZ. 2017-08-28T19:53:44.31 3.0 undecidable manual Pn -1.77 0
IV.SMA1.EHZ. 2017-08-28T19:53:42.75 0.6 undecidable manual S 68 61.6938 50 0.5 44
IV.T1221.EHZ. 2017-08-28T19:53:39.60 1.0 undecidable manual S 20 51.4152 50 0.09 24
IV.GIUL.HHZ. 2017-08-28T19:53:38.20 3.0 undecidable manual Pn -2.62 0
IV.T1218.EHZ. 2017-08-28T19:53:38.45 0.6 undecidable manual S 55 47.8188 50 -0.1 49
IV.MOMA.HHZ. 2017-08-28T19:53:37.11 0.6 undecidable manual S 353 42.4242 50 0 50
IV.TERO.HHZ. 2017-08-28T19:53:36.89 0.6 undecidable manual P 74 82.251 50 -0.37 43
IV.SMA1.EHZ. 2017-08-28T19:53:34.15 1.0 undecidable manual P 68 61.6938 50 0.06 24
IV.T1221.EHZ. 2017-08-28T19:53:32.51 0.1 undecidable manual P 20 51.4152 50 0 99
IV.T1218.EHZ. 2017-08-28T19:53:31.77 1.0 positive manual P 55 47.8188 50 -0.18 24
IV.MOMA.HHZ. 2017-08-28T19:53:31.06 0.1 undecidable manual P 353 42.4242 50 -0.06 99
IV.ARRO.EHZ. 2017-08-28T19:53:30.51 0.6 undecidable manual S 32 20.2686 115 -0.18 50
IV.T1211.EHZ. 2017-08-28T19:53:30.99 0.6 undecidable manual S 56 21.7671 113 -0.15 51
IV.SNTG.HHZ. 2017-08-28T19:53:29.92 3.0 undecidable manual S 0.3 0
IV.ARRO.EHZ. 2017-08-28T19:53:27.63 0.1 positive manual P 32 20.2686 115 0.22 100
IV.T1211.EHZ. 2017-08-28T19:53:27.76 0.6 negative manual P 56 21.7671 113 0.08 51
IV.APEC.HNZ. 2017-08-28T19:53:24.52 3.0 undecidable manual P 1.37 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:1.1 0.0000946 1.84 AML other m 2017-08-28T19:53:30.94
IV.ARRO.EHN. ML:1.1 0.00009495 0.98 AML other m 2017-08-28T19:53:31.08
IV.MOMA.HHN. ML:1.1 0.000039800000000000005 0.34 AML other m 2017-08-28T19:53:37.43
IV.MOMA.HHE. ML:1.2 0.0000429 0.48 AML other m 2017-08-28T19:53:38.95
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