Earthquake with magnitude of ML 0.5 on date 24-11-2018 and time 19:55:33 (Italy) in region 1 km W Accumoli (RI)

A magnitude ML 0.5 earthquake occured in region: 1 km W Accumoli (RI), on

  • 24-11-2018 18:55:33 (UTC)
  • 24-11-2018 19:55:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6940, 13.2340 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 1 667 667
Amatrice RI 8 2657 3324
Arquata del Tronto AP 10 1178 4502
Cittareale RI 10 482 4984
Norcia PG 16 4957 9941
Acquasanta Terme AP 17 2916 12857
Cascia PG 18 3217 16074
Montegallo AP 19 523 16597
Campotosto AQ 19 542 17139
Montereale AQ 19 2581 19720
Capitignano AQ 20 665 20385

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of Teramo (54892 inhabitants)
40 Km NW of L'Aquila (69753 inhabitants)
50 Km E of Terni (111501 inhabitants)
52 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
84 Km W of Pescara (121014 inhabitants)
86 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 0.5 2018-11-24
18:55:33
42.6942 13.2343 14 2018-11-24
19:07:50
Sala Sismica INGV-Roma 63331521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-24 18:55:33 ± 0.09
Latitude 42.6942 ± 0.0036
Longitude 13.2343 ± 0.0049
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 63331521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 485
Semi-minor axis of confidence ellipse (meter) 136
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 322
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28059
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 63331521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-24 19:07:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZONE.HHZ. 2018-11-24T18:57:07.08 3.0 undecidable manual Sg 17.6 0
IV.PLAC.HHZ. 2018-11-24T18:56:52.89 3.0 negative manual Pg 15.67 0
MN.CEL.HHZ. 2018-11-24T18:56:51.63 3.0 negative manual Pg 16.059999 0
IV.IST3.HHZ. 2018-11-24T18:56:40.61 3.0 positive manual Pg 15.08 0
CR.STON.BHZ. 2018-11-24T18:56:32.52 3.0 undecidable manual Pg 8.45 0
IV.INTR.HHZ. 2018-11-24T18:56:23.62 3.0 undecidable manual Sg 10.89 0
IV.ZONE.HHZ. 2018-11-24T18:56:15.14 3.0 negative manual Pg 6.21 0
GU.CARD.HHZ. 2018-11-24T18:56:11.24 3.0 undecidable manual Sn 0.79 0
IV.VVLD.HHZ. 2018-11-24T18:56:10.91 3.0 undecidable manual Sn 1.37 0
IV.EUCT.HNZ. 2018-11-24T18:56:04.20 3.0 undecidable manual Pn -2.09 0
IV.SEI.HHZ. 2018-11-24T18:56:00.92 3.0 undecidable manual Sn -6.14 0
GU.GSCL.HHZ. 2018-11-24T18:55:49.68 3.0 undecidable manual Pn -0.54 0
IV.TERO.HHZ. 2018-11-24T18:55:44.66 0.6 undecidable manual S 105 31.1466 97 -0.13 47
IV.RM33.EHZ. 2018-11-24T18:55:41.84 0.6 undecidable manual S 185 20.5683 106 -0.17 47
IV.LNSS.HHN. 2018-11-24T18:55:41.41 0.6 undecidable manual S 237 18.7701 109 -0.15 47
IV.LAV9.HHZ. 2018-11-24T18:55:41.09 3.0 undecidable manual P -0.04 0
IV.NRCA.HHZ. 2018-11-24T18:55:41.28 0.6 undecidable manual S 328 18.2706 109 -0.15 47
IV.TERO.HHZ. 2018-11-24T18:55:40.47 1.0 negative manual P 105 31.1466 97 0.25 23
IV.MTRA.EHZ. 2018-11-24T18:55:40.36 0.6 undecidable manual S 62 14.874 117 -0.24 47
IV.VIVA.HHZ. 2018-11-24T18:55:40.07 3.0 positive manual P -0.94 0
IV.SMA1.EHZ. 2018-11-24T18:55:39.59 0.6 undecidable manual S 131 10.878 130 -0.1 49
IV.NRCA.HHZ. 2018-11-24T18:55:38.39 0.3 undecidable manual P 328 18.2706 109 0.11 75
IV.RM33.EHZ. 2018-11-24T18:55:38.60 0.6 undecidable manual P 185 20.5683 106 -0.01 49
IV.LNSS.HHN. 2018-11-24T18:55:38.38 0.3 undecidable manual P 237 18.7701 109 0.03 74
IV.SMA1.EHZ. 2018-11-24T18:55:37.49 0.1 undecidable manual P 131 10.878 130 0.22 98
IV.APEC.HHZ. 2018-11-24T18:55:37.44 3.0 positive manual Pn -3.94 0
IV.MTRA.EHZ. 2018-11-24T18:55:37.86 0.1 undecidable manual P 62 14.874 117 0.06 100
IV.T1299.EHZ. 2018-11-24T18:55:36.91 1.0 undecidable manual P 150 7.6812 142 -0.03 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHE. ML:0.4 0.000012014122000000001 1.7536 AML other m 2018-11-24T18:55:46.03
IV.MTRA.HNN. ML:1.2 0.00012817955 0.5632 AML other m 2018-11-24T18:55:40.45
IV.MTRA.HNE. ML:1.0 0.000089779755 1.4976 AML other m 2018-11-24T18:55:40.61
IV.RM33.EHN. ML:0.5 0.000021858735500000002 0.7936 AML other m 2018-11-24T18:55:42.53
IV.RM33.EHE. ML:0.7 0.000031061895 0.9216 AML other m 2018-11-24T18:55:42.30
IV.SMA1.EHE. ML:0.4 0.00002441475 0.256 AML other m 2018-11-24T18:55:40.72
IV.SMA1.EHN. ML:0.4 0.00002666913 0.3072 AML other m 2018-11-24T18:55:40.15
IV.TERO.HHN. ML:0.4 0.000010983173500000001 0.064 AML other m 2018-11-24T18:55:44.55
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