Earthquake with magnitude of ML 1.3 on date 13-12-2018 and time 23:14:33 (Italy) in region 4 km NW Accumoli (RI)

A magnitude ML 1.3 earthquake occured in region: 4 km NW Accumoli (RI), on

  • 13-12-2018 22:14:33 (UTC)
  • 13-12-2018 23:14:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7160, 13.2100 at 12 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 4 667 667
Arquata del Tronto AP 10 1178 1845
Amatrice RI 12 2657 4502
Cittareale RI 12 482 4984
Norcia PG 13 4957 9941
Cascia PG 16 3217 13158
Montegallo AP 17 523 13681
Acquasanta Terme AP 17 2916 16597

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Teramo (54892 inhabitants)
43 Km NW of L'Aquila (69753 inhabitants)
49 Km E of Terni (111501 inhabitants)
49 Km SE of Foligno (57155 inhabitants)
80 Km SE of Perugia (166134 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
87 Km W of Pescara (121014 inhabitants)
88 Km W of Chieti (51815 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km NE of Tivoli (56533 inhabitants)
96 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 1.3 2018-12-13
22:14:33
42.716 13.2098 12 2018-12-13
22:26:19
Sala Sismica INGV-Roma 63895911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-13 22:14:33 ± 0.05
Latitude 42.7160 ± 0.0027
Longitude 13.2098 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 63895911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 360
Semi-minor axis of confidence ellipse (meter) 141
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43347
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 63895911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-13 22:26:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LIK.EHZ.01 2018-12-13T22:15:12.85 3.0 undecidable manual S -0.01 0
IV.COR1.EHZ. 2018-12-13T22:14:50.73 3.0 positive manual P -0.42 0
IV.MML1.HNZ. 2018-12-13T22:14:49.19 0.3 undecidable manual S 336 48.1185 92 0.2 69
IV.FDMO.HHN. 2018-12-13T22:14:45.74 0.6 undecidable manual S 344 36.9297 93 -0.25 46
IV.TERO.HHZ. 2018-12-13T22:14:44.76 0.3 undecidable manual S 108 33.744 93 -0.39 68
IV.CAMP.HHZ. 2018-12-13T22:14:43.00 0.3 undecidable manual S 141 25.752 95 -0.02 74
IV.GAVE.EHZ. 2018-12-13T22:14:42.68 0.3 undecidable manual S 264 25.8519 95 -0.37 68
IV.MC2.EHZ. 2018-12-13T22:14:42.15 0.3 undecidable manual S 356 21.7671 97 0.2 72
IV.MML1.HNZ. 2018-12-13T22:14:42.58 0.1 undecidable manual P 336 48.1185 92 0.06 95
IV.RM33.EHZ. 2018-12-13T22:14:42.29 0.3 undecidable manual S 179 22.9548 96 0.01 74
IV.LNSS.HHZ. 2018-12-13T22:14:41.30 0.1 undecidable manual S 228 18.6702 100 0.16 99
IV.MMO1.EHZ. 2018-12-13T22:14:41.98 0.3 undecidable manual S 25 22.4553 97 -0.16 73
IV.MF5.EHE. 2018-12-13T22:14:41.17 0.1 undecidable manual P 34 36.3414 93 0.47 88
IV.FDMO.HHN. 2018-12-13T22:14:40.62 0.1 undecidable manual P 344 36.9297 93 -0.17 94
IV.TERO.HHZ. 2018-12-13T22:14:40.11 0.3 undecidable manual P 108 33.744 93 -0.19 71
IV.MTRA.EHZ. 2018-12-13T22:14:40.10 0.1 undecidable manual S 73 15.873 106 -0.31 96
IV.GAVE.EHZ. 2018-12-13T22:14:39.10 0.1 undecidable manual P 264 25.8519 95 0.02 98
IV.CAMP.HHZ. 2018-12-13T22:14:39.00 0.1 undecidable manual P 141 25.752 95 -0.07 98
IV.NRCA.HHZ. 2018-12-13T22:14:39.87 0.1 undecidable manual S 329 15.1737 108 -0.37 93
IV.T1299.HNZ. 2018-12-13T22:14:39.30 0.1 undecidable manual S 147 10.7781 124 0.11 99
IV.MMO1.EHZ. 2018-12-13T22:14:38.53 0.1 positive manual P 25 22.4553 97 -0.03 99
IV.RM33.EHZ. 2018-12-13T22:14:38.71 0.1 undecidable manual P 179 22.9548 96 0.07 99
IV.LNSS.HHZ. 2018-12-13T22:14:38.09 0.1 undecidable manual P 228 18.6702 100 0.11 99
IV.MC2.EHZ. 2018-12-13T22:14:38.49 0.1 undecidable manual P 356 21.7671 97 0.04 99
IV.NRCA.HHZ. 2018-12-13T22:14:37.43 0.1 positive manual P 329 15.1737 108 -0.03 100
IV.MTRA.EHZ. 2018-12-13T22:14:37.66 0.1 undecidable manual P 73 15.873 106 0.09 99
IV.T1299.HNZ. 2018-12-13T22:14:37.11 0.1 undecidable manual P 147 10.7781 124 0.25 96
IV.SMA1.EHZ. 2018-12-13T22:14:37.42 0.1 undecidable manual P 133 13.9749 112 0.14 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.7 0.00048200165000000003 0.0768 AML other m 2018-12-13T22:14:39.99
IV.NRCA.HNE. ML:1.7 0.0004190385 0.0768 AML other m 2018-12-13T22:14:39.99
IV.NRCA.HNN. ML:1.7 0.00043264945 0.0896 AML other m 2018-12-13T22:14:39.94
IV.NRCA.HHE. ML:1.7 0.00042417535 0.0768 AML other m 2018-12-13T22:14:39.95
IV.MTRA.HNN. ML:1.2 0.000128263055 0.1152 AML other m 2018-12-13T22:14:40.48
IV.MTRA.HNE. ML:1.3 0.00015379560000000002 0.1024 AML other m 2018-12-13T22:14:40.81
IV.MTRA.EHN. ML:1.3 0.000156984 0.1408 AML other m 2018-12-13T22:14:40.21
IV.MTRA.EHE. ML:1.3 0.00015315980000000002 0.1408 AML other m 2018-12-13T22:14:40.66
IV.LNSS.HNE. ML:1.4 0.00016974221000000002 0.1664 AML other m 2018-12-13T22:14:41.44
IV.LNSS.HNN. ML:1.4 0.00016333824000000003 0.256 AML other m 2018-12-13T22:14:41.86
IV.LNSS.HHN. ML:1.3 0.00014639635 0.128 AML other m 2018-12-13T22:14:41.67
IV.LNSS.HHE. ML:1.4 0.0002032977 0.1536 AML other m 2018-12-13T22:14:41.44
IV.RM33.EHE. ML:1.1 0.00007551730000000001 0.1536 AML other m 2018-12-13T22:14:43.17
IV.RM33.EHN. ML:1.1 0.000083159835 0.1792 AML other m 2018-12-13T22:14:42.54
IV.GAVE.EHN. ML:1.0 0.000058228705 0.2304 AML other m 2018-12-13T22:14:44.58
IV.GAVE.EHE. ML:0.9 0.00004324331 0.2304 AML other m 2018-12-13T22:14:44.77
IV.TERO.HHE. ML:0.9 0.0000334748 0.1408 AML other m 2018-12-13T22:14:45.64
IV.TERO.HHN. ML:1.0 0.000037924165 0.1024 AML other m 2018-12-13T22:14:45.41
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