Earthquake with magnitude of ML 1.4 on date 31-12-2019 and time 00:26:17 (UTC) in region 3 km NW Sant'Anatolia di Narco (PG)

A magnitude ML 1.4 earthquake occured in region: 3 km NW Sant'Anatolia di Narco (PG), on

  • 31-12-2019 00:26:17 (UTC)
  • 31-12-2019 01:26:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.76, 12.82 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Sant'Anatolia di Narco PG 3 564 564
Vallo di Nera PG 3 364 928
Scheggino PG 5 461 1389
Spoleto PG 8 38218 39607
Campello sul Clitunno PG 8 2442 42049
Cerreto di Spoleto PG 10 1075 43124
Poggiodomo PG 11 117 43241
Castel Ritaldi PG 14 3278 46519
Trevi PG 14 8469 54988
Ferentillo TR 16 1913 56901
Monteleone di Spoleto PG 16 599 57500
Cascia PG 16 3217 60717
Sellano PG 17 1079 61796
Montefranco TR 19 1276 63072
Polino TR 20 233 63305

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SE of Foligno (57155 inhabitants)
27 Km NE of Terni (111501 inhabitants)
52 Km SE of Perugia (166134 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
70 Km NE of Viterbo (67173 inhabitants)
73 Km W of Teramo (54892 inhabitants)
85 Km N of Guidonia Montecelio (88673 inhabitants)
89 Km N of Tivoli (56533 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
Rev 1000 ML 1.4 2019-12-31
00:26:17
42.76 12.82 10 2020-02-28
16:42:17
Bollettino Sismico Italiano INGV 75195221
Rev 100 ML 1.3 2019-12-31
00:26:17
42.77 12.82 9 2019-12-31
00:30:01
Sala Sismica INGV-Roma 75133031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-31 00:26:17 ± 0.04
Latitude 42.76 ± 0.00
Longitude 12.82 ± 0.00
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75195221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 295
Semi-minor axis of confidence ellipse (meter) 254
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 105
Circular confidence region, given by single value of horizontal uncertainty (meter) 300
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.60255
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 75195221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-24 09:03:26

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 75133031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-31 00:30:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.EL6.EHZ. 2019-12-31T00:26:38.44 1.0 undecidable manual S 20 0.6025 50 0.79 18
IV.RM33.HNE. 2019-12-31T00:26:31.43 0.6 undecidable manual S 131 0.3813 50 0.32 45
IV.FDMO.HHZ. 2019-12-31T00:26:29.84 0.6 undecidable manual S 35 0.3354 50 0.1 47
IV.MC2.EHZ. 2019-12-31T00:26:29.20 0.3 undecidable manual S 61 0.3058 50 0.33 68
IV.EL6.EHZ. 2019-12-31T00:26:28.99 0.1 undecidable manual P 20 0.6025 50 0.03 91
IV.ASSB.HHZ. 2019-12-31T00:26:28.60 0.6 undecidable manual S 337 0.3067 50 -0.27 46
IV.CESI.HHZ. 2019-12-31T00:26:27.23 0.6 undecidable manual S 13 0.25 50 0.01 49
IV.FEMA.HNE. 2019-12-31T00:26:27.54 0.6 undecidable manual S 39 0.2599 50 0.05 49
IV.LNSS.HHZ. 2019-12-31T00:26:26.22 0.6 undecidable manual S 135 0.2239 112 -0.17 48
IT.FOPC.HGN. 2019-12-31T00:26:26.66 0.6 undecidable manual S 337 0.2266 112 0.18 48
IV.CESX.HHZ. 2019-12-31T00:26:26.38 0.6 undecidable manual S 229 0.232 50 -0.3 46
IV.NRCA.HHZ. 2019-12-31T00:26:26.23 0.6 undecidable manual S 71 0.2239 112 -0.17 48
IV.ARRO.EHZ. 2019-12-31T00:26:25.41 0.6 undecidable manual S 193 0.1871 116 0.31 47
IV.RM33.HNE. 2019-12-31T00:26:25.23 0.3 undecidable manual P 131 0.3813 50 0.04 71
IV.MOMA.HHZ. 2019-12-31T00:26:25.50 0.6 undecidable manual S 283 0.1916 115 0.25 47
IV.FDMO.HHZ. 2019-12-31T00:26:24.21 0.1 undecidable manual P 35 0.3354 50 -0.19 93
IV.MC2.EHZ. 2019-12-31T00:26:24.22 0.3 undecidable manual P 61 0.3058 50 0.33 68
IV.FEMA.HNE. 2019-12-31T00:26:23.05 0.3 undecidable manual P 39 0.2599 50 -0.05 73
IV.ASSB.HHZ. 2019-12-31T00:26:23.65 0.1 undecidable manual P 337 0.3067 50 -0.25 92
IV.NRCA.HHZ. 2019-12-31T00:26:22.28 0.1 undecidable manual P 71 0.2239 112 -0.19 95
IV.CESI.HHZ. 2019-12-31T00:26:22.78 0.1 undecidable manual P 13 0.25 50 -0.16 95
IV.LNSS.HHZ. 2019-12-31T00:26:22.33 0.1 undecidable manual P 135 0.2239 112 -0.13 96
IT.FOPC.HGN. 2019-12-31T00:26:22.48 0.3 undecidable manual P 337 0.2266 112 -0.04 74
IV.CESX.HHZ. 2019-12-31T00:26:22.44 0.3 undecidable manual P 229 0.232 50 -0.19 71
IV.MOMA.HHZ. 2019-12-31T00:26:21.98 0.1 undecidable manual P 283 0.1916 115 0.18 96
IV.GAVE.EHZ. 2019-12-31T00:26:21.69 0.6 undecidable manual S 144 0.0854 136 -0.19 49
IV.ARRO.EHZ. 2019-12-31T00:26:21.83 0.1 undecidable manual P 193 0.1871 116 0.12 97
IV.GAVE.EHZ. 2019-12-31T00:26:19.93 0.1 positive manual P 144 0.0854 136 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.6 0.0005665 0.98 AML other m 2019-12-31T00:26:21.99
IV.GAVE.EHN. ML:1.6 0.0005335 0.14 AML other m 2019-12-31T00:26:22.59
IV.LNSS.HHN. ML:1.3 0.00011815 0.74 AML other m 2019-12-31T00:26:26.62
IV.LNSS.HHE. ML:1.3 0.000132 0.9 AML other m 2019-12-31T00:26:27.73
IV.NRCA.HHE. ML:1.3 0.000129 1.56 AML other m 2019-12-31T00:26:27.94
IV.NRCA.HHN. ML:1.2 8.67E-5 0.6 AML other m 2019-12-31T00:26:27.67
IV.CESX.HHN. ML:1.2 9.43E-5 1.24 AML other m 2019-12-31T00:26:28.18
IV.CESX.HHE. ML:1.2 9.615E-5 0.38 AML other m 2019-12-31T00:26:28.33
IV.CESI.HHN. ML:1.4 0.0001227 0.64 AML other m 2019-12-31T00:26:28.55
IV.FDMO.HHE. ML:1.4 8.3E-5 0.82 AML other m 2019-12-31T00:26:30.97
IV.FDMO.HHN. ML:1.3 7.63E-5 1.3 AML other m 2019-12-31T00:26:30.27
IV.CESI.HHE. ML:1.4 0.0001192 0.42 AML other m 2019-12-31T00:26:36.63
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download