Earthquake with magnitude of ML 0.5 on date 01-12-2018 and time 00:17:05 (Italy) in region 8 km W Accumoli (RI)

A magnitude ML 0.5 earthquake occured in region: 8 km W Accumoli (RI), on

  • 30-11-2018 23:17:05 (UTC)
  • 01-12-2018 00:17:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7190, 13.1540 at 14 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 8 667 667
Norcia PG 10 4957 5624
Cittareale RI 11 482 6106
Cascia PG 11 3217 9323
Arquata del Tronto AP 13 1178 10501
Amatrice RI 15 2657 13158
Poggiodomo PG 18 117 13275
Monteleone di Spoleto PG 18 599 13874
Castelsantangelo sul Nera MC 20 281 14155

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Terni (111501 inhabitants)
45 Km SE of Foligno (57155 inhabitants)
46 Km NW of L'Aquila (69753 inhabitants)
46 Km W of Teramo (54892 inhabitants)
76 Km SE of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km NE of Tivoli (56533 inhabitants)
91 Km W of Pescara (121014 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
93 Km W of Chieti (51815 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 0.5 2018-11-30
23:17:05
42.719 13.1535 14 2018-11-30
23:24:07
Sala Sismica INGV-Roma 63517371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-30 23:17:05 ± 0.12
Latitude 42.7190 ± 0.0045
Longitude 13.1535 ± 0.0073
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 63517371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 627
Semi-minor axis of confidence ellipse (meter) 271
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.11781
Epicentral distance of station farthest from the epicenter (degree) 0.22033
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 63517371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-30 23:24:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2018-11-30T23:17:14.20 0.1 undecidable manual S 35 24.4533 104 -0.06 97
IV.RM33.EHZ. 2018-11-30T23:17:13.90 0.1 undecidable manual S 168 23.8539 105 -0.19 95
IV.MC2.EHE. 2018-11-30T23:17:13.90 0.1 undecidable manual S 8 21.5673 108 0.39 91
IV.GAVE.EHZ. 2018-11-30T23:17:13.30 0.1 undecidable manual S 262 21.3675 108 -0.16 97
IV.SMA1.EHZ. 2018-11-30T23:17:12.60 0.1 undecidable manual S 123 17.7711 114 0.03 99
IV.MTRA.EHZ. 2018-11-30T23:17:12.80 0.1 undecidable manual S 78 20.2686 110 -0.38 91
IV.LNSS.HHZ. 2018-11-30T23:17:11.90 0.3 undecidable manual S 216 15.873 119 -0.21 73
IV.T1299.HNE. 2018-11-30T23:17:11.72 0.1 undecidable manual S 132 14.0748 123 0.01 100
IV.NRCA.HHE. 2018-11-30T23:17:11.21 0.1 undecidable manual S 346 13.0758 126 -0.28 96
IV.RM33.EHZ. 2018-11-30T23:17:10.26 0.1 undecidable manual P 168 23.8539 105 -0.06 98
IV.MMO1.EHZ. 2018-11-30T23:17:10.42 0.1 undecidable manual P 35 24.4533 104 0 99
IV.MC2.EHE. 2018-11-30T23:17:10.14 0.1 undecidable manual P 8 21.5673 108 0.16 96
IV.GAVE.EHZ. 2018-11-30T23:17:09.91 0.1 undecidable manual P 262 21.3675 108 -0.05 99
IV.LNSS.HHZ. 2018-11-30T23:17:09.14 0.1 undecidable manual P 216 15.873 119 -0.03 100
IV.T1299.HNE. 2018-11-30T23:17:09.70 0.1 undecidable manual P 132 14.0748 123 0.76 81
IV.SMA1.EHZ. 2018-11-30T23:17:09.67 0.1 undecidable manual P 123 17.7711 114 0.23 95
IV.MTRA.EHZ. 2018-11-30T23:17:09.76 0.1 undecidable manual P 78 20.2686 110 -0.04 98
IV.NRCA.HHE. 2018-11-30T23:17:08.71 0.1 undecidable manual P 346 13.0758 126 -0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:0.0 0.0000479 1.42 AML other m 2018-11-30T23:17:12.86
IV.LNSS.HHE. ML:0.0 0.00007895 0.12 AML other m 2018-11-30T23:17:12.39
IV.SMA1.EHN. ML:0.6 0.00003060096 0.3584 AML other m 2018-11-30T23:17:13.05
IV.SMA1.EHE. ML:0.3 0.0000174127195 0.256 AML other m 2018-11-30T23:17:12.68
IV.MTRA.EHE. ML:0.5 0.000020743360000000003 0.2176 AML other m 2018-11-30T23:17:13.88
IV.MTRA.EHN. ML:0.4 0.000012618677 0.3328 AML other m 2018-11-30T23:17:13.42
IV.RM33.EHE. ML:0.2 0.00001186982645 0.1536 AML other m 2018-11-30T23:17:14.09
IV.RM33.EHN. ML:0.4 0.000013672025 0.0896 AML other m 2018-11-30T23:17:14.60
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