Earthquake with magnitude of ML 0.9 on date 13-12-2018 and time 19:43:08 (Italy) in region 3 km S Accumoli (RI)

A magnitude ML 0.9 earthquake occured in region: 3 km S Accumoli (RI), on

  • 13-12-2018 18:43:08 (UTC)
  • 13-12-2018 19:43:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6730, 13.2530 at 13 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 6 2657 3324
Cittareale RI 10 482 3806
Arquata del Tronto AP 12 1178 4984
Campotosto AQ 16 542 5526
Montereale AQ 16 2581 8107
Acquasanta Terme AP 17 2916 11023
Capitignano AQ 17 665 11688
Norcia PG 19 4957 16645
Montegallo AP 20 523 17168

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Teramo (54892 inhabitants)
38 Km NW of L'Aquila (69753 inhabitants)
51 Km E of Terni (111501 inhabitants)
55 Km SE of Foligno (57155 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
82 Km W of Pescara (121014 inhabitants)
83 Km W of Chieti (51815 inhabitants)
85 Km SE of Perugia (166134 inhabitants)
86 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
98 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 0.9 2018-12-13
18:43:08
42.6728 13.253 13 2018-12-13
19:05:08
Sala Sismica INGV-Roma 63893471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-13 18:43:08 ± 0.06
Latitude 42.6728 ± 0.0036
Longitude 13.2530 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 63893471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 291
Semi-minor axis of confidence ellipse (meter) 244
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 341
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
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) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.04407
Epicentral distance of station farthest from the epicenter (degree) 0.26440
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:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 63893471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-13 19:05:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2018-12-13T18:43:18.58 0.3 undecidable manual S 101 29.1486 97 -0.22 71
IV.MC2.EHZ. 2018-12-13T18:43:18.54 0.6 undecidable manual S 349 26.9508 98 0.32 47
IV.GAVE.HNZ. 2018-12-13T18:43:18.71 0.3 undecidable manual S 274 29.3484 97 -0.13 72
IV.NRCA.HNZ. 2018-12-13T18:43:16.36 0.3 undecidable manual S 328 21.0678 103 -0.32 70
IV.LNSS.HHZ. 2018-12-13T18:43:16.01 0.3 undecidable manual S 246 18.9699 106 -0.13 73
IV.RM33.EHZ. 2018-12-13T18:43:15.98 0.3 undecidable manual S 190 18.4704 107 -0.02 75
IV.GAVE.HNZ. 2018-12-13T18:43:14.52 0.6 undecidable manual P 274 29.3484 97 0.04 49
IV.MTRA.EHZ. 2018-12-13T18:43:14.88 0.3 undecidable manual S 51 14.9739 115 -0.24 73
IV.TERO.HHZ. 2018-12-13T18:43:14.45 0.3 undecidable manual P 101 29.1486 97 0 74
IV.MC2.EHZ. 2018-12-13T18:43:14.35 0.6 undecidable manual P 349 26.9508 98 0.23 48
IV.SMA1.EHZ. 2018-12-13T18:43:13.58 0.3 undecidable manual S 125 8.1807 139 -0.1 76
IV.T1299.EHZ. 2018-12-13T18:43:13.03 0.6 undecidable manual S 151 4.8951 154 -0.17 50
IV.NRCA.HNZ. 2018-12-13T18:43:13.21 0.1 undecidable manual P 328 21.0678 103 -0.02 100
IV.RM33.EHZ. 2018-12-13T18:43:12.96 0.1 undecidable manual P 190 18.4704 107 0.12 99
IV.MTRA.EHZ. 2018-12-13T18:43:12.44 0.1 undecidable manual P 51 14.9739 115 0.1 100
IV.LNSS.HHZ. 2018-12-13T18:43:12.99 0.1 undecidable manual P 246 18.9699 106 0.07 100
IV.SMA1.EHZ. 2018-12-13T18:43:11.67 0.1 undecidable manual P 125 8.1807 139 0.17 99
IV.T1299.EHZ. 2018-12-13T18:43:11.43 0.1 undecidable manual P 151 4.8951 154 0.21 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.0 0.0000652 1 AML other m 2018-12-13T18:43:16.25
IV.MTRA.EHN. ML:1.1 0.00011499999999999999 0.88 AML other m 2018-12-13T18:43:15.16
IV.SMA1.EHE. ML:0.6 0.00004798634 0.1408 AML other m 2018-12-13T18:43:13.79
IV.SMA1.EHN. ML:0.8 0.00006345914 0.1152 AML other m 2018-12-13T18:43:13.73
IV.RM33.EHE. ML:1.0 0.000067335985 0.384 AML other m 2018-12-13T18:43:16.55
IV.LNSS.HHN. ML:0.9 0.00006028189 0.1664 AML other m 2018-12-13T18:43:16.32
IV.LNSS.HHE. ML:0.9 0.000053986655 1.0368 AML other m 2018-12-13T18:43:16.47
IV.TERO.HHN. ML:0.7 0.000022631230000000003 0.1792 AML other m 2018-12-13T18:43:18.63
IV.TERO.HHE. ML:0.7 0.000025775761999999997 0 AML other m 2018-12-13T18:43:19.23
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