Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 26-12-2020 and time 00:36:46 (Italy) in region 5 km W Preci (PG)

A magnitude ML 1.3 earthquake occured in region: 5 km W Preci (PG), on

  • 25-12-2020 23:36:46 (UTC)
  • 26-12-2020 00:36:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9000, 12.9890 at 10 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Preci PG 5 724 724
Sellano PG 5 1079 1803
Visso MC 9 1107 2910
Monte Cavallo MC 11 145 3055
Cerreto di Spoleto PG 11 1075 4130
Ussita MC 13 444 4574
Castelsantangelo sul Nera MC 14 281 4855
Norcia PG 15 4957 9812
Pieve Torina MC 17 1458 11270
Fiordimonte MC 17 202 11472
Vallo di Nera PG 18 364 11836
Campello sul Clitunno PG 19 2442 14278
Serravalle di Chienti MC 19 1070 15348
Pievebovigliana MC 20 866 16214
Trevi PG 20 8469 24683

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
54 Km E of Perugia (166134 inhabitants)
64 Km W of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
90 Km NE of Viterbo (67173 inhabitants)
91 Km SW of Ancona (100861 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 2020-12-25
23:36:46		 42.9005 12.9887 10 2020-12-25
23:59:42		 Sala Sismica INGV-Roma 85714981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-25 23:36:46 ± 0.05
Latitude 42.9005 ± 0.0027
Longitude 12.9887 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85714981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 274
Semi-minor axis of confidence ellipse (meter) 250
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 51
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.07644
Epicentral distance of station farthest from the epicenter (degree) 0.59805
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 85714981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-25 23:59:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHE. 2020-12-25T23:37:07.82 0.3 undecidable manual S 357 66.378 50 0.7 57
IV.CING.HHN. 2020-12-25T23:37:04.62 0.3 undecidable manual S 18 55.3002 50 0.46 64
IV.MURB.HHZ. 2020-12-25T23:37:04.96 0.6 undecidable manual S 317 55.1004 50 0.87 36
IV.TERO.HNE. 2020-12-25T23:37:04.96 0.6 undecidable manual S 121 58.7967 50 -0.14 45
IV.FOSV.HNE. 2020-12-25T23:37:02.00 0.6 undecidable manual S 337 47.5191 50 -0.07 47
IV.EL6.EHZ. 2020-12-25T23:37:02.68 0.3 undecidable manual S 11 48.4182 50 0.35 66
IV.CESX.HHZ. 2020-12-25T23:37:01.46 0.6 undecidable manual S 225 46.0206 50 -0.23 45
IV.MF5.EHN. 2020-12-25T23:37:00.33 0.3 undecidable manual S 76 39.4272 50 0.4 66
IV.ARRO.EHZ. 2020-12-25T23:37:00.38 0.3 undecidable manual S 207 40.0266 50 0.31 67
IV.SMA1.EHE. 2020-12-25T23:36:59.98 0.6 undecidable manual S 137 41.1255 50 -0.41 44
IV.MOMA.HNE. 2020-12-25T23:36:59.24 0.6 undecidable manual S 253 35.6421 50 0.32 45
IV.SNTG.HHZ. 2020-12-25T23:36:59.77 0.6 undecidable manual S 354 39.5271 50 -0.17 46
IV.T1299.EHE. 2020-12-25T23:36:59.83 0.3 undecidable manual S 141 38.0286 50 0.29 68
IV.ARVD.HHE. 2020-12-25T23:36:58.40 0.1 undecidable manual P 357 66.378 50 -0.13 89
IV.GUMA.HNE. 2020-12-25T23:36:58.64 0.1 undecidable manual S 57 33.3444 50 0.33 91
IV.ASSB.HHZ. 2020-12-25T23:36:57.56 0.3 undecidable manual S 301 31.0467 50 -0.13 71
IV.ATSC.EHE. 2020-12-25T23:36:57.69 0.1 undecidable manual P 337 62.9925 50 -0.32 86
IV.PF6.EHE. 2020-12-25T23:36:57.54 0.1 undecidable manual S 32 31.1466 50 -0.18 94
IV.TERO.HNE. 2020-12-25T23:36:57.74 0.1 undecidable manual P 121 58.7967 50 0.38 85
IV.CSP1.EHZ. 2020-12-25T23:36:56.39 0.3 undecidable manual S 39 27.5502 50 -0.36 68
IV.CING.HHN. 2020-12-25T23:36:56.64 0.1 undecidable manual P 18 55.3002 50 -0.17 90
IV.MURB.HHZ. 2020-12-25T23:36:56.94 0.1 undecidable manual P 317 55.1004 50 0.16 90
IV.MMO1.EHZ. 2020-12-25T23:36:56.35 0.1 undecidable manual S 90 27.4503 50 -0.38 90
IV.CESX.HHZ. 2020-12-25T23:36:55.23 0.1 undecidable manual P 225 46.0206 50 -0.16 92
IV.FOSV.HNE. 2020-12-25T23:36:55.23 0.1 undecidable manual P 337 47.5191 50 -0.38 87
IV.EL6.EHZ. 2020-12-25T23:36:55.57 0.1 undecidable manual P 11 48.4182 50 -0.19 91
IV.GAVE.EHZ. 2020-12-25T23:36:55.83 0.3 undecidable manual S 198 24.3534 50 -0.07 73
IV.ARRO.EHZ. 2020-12-25T23:36:54.34 0.3 undecidable manual P 207 40.0266 50 -0.11 70
IV.SNTG.HHZ. 2020-12-25T23:36:54.19 0.1 undecidable manual P 354 39.5271 50 -0.2 92
IV.T1299.EHE. 2020-12-25T23:36:54.45 0.3 undecidable manual P 141 38.0286 50 0.3 68
IV.MF5.EHN. 2020-12-25T23:36:54.64 0.1 undecidable manual P 76 39.4272 50 0.27 91
IV.SMA1.EHE. 2020-12-25T23:36:54.66 0.1 undecidable manual P 137 41.1255 50 0.02 95
IV.GUMA.HNE. 2020-12-25T23:36:53.47 0.1 undecidable manual P 57 33.3444 50 0.03 96
IV.FDMO.HHZ. 2020-12-25T23:36:53.52 0.3 undecidable manual S 28 17.0718 121 -0.19 72
IV.MC2.EHZ. 2020-12-25T23:36:53.62 0.1 undecidable manual S 86 16.3725 122 0.13 97
IV.MOMA.HNE. 2020-12-25T23:36:53.86 0.3 undecidable manual P 253 35.6421 50 0.07 71
IV.PF6.EHE. 2020-12-25T23:36:52.78 0.1 undecidable manual P 32 31.1466 50 -0.32 91
IV.CESI.HHZ. 2020-12-25T23:36:52.74 0.1 undecidable manual S 330 13.4754 128 0.07 99
IV.MMO1.EHZ. 2020-12-25T23:36:52.26 0.1 undecidable manual P 90 27.4503 50 -0.27 93
IV.CSP1.EHZ. 2020-12-25T23:36:52.33 0.1 positive manual P 39 27.5502 50 -0.21 94
IV.ASSB.HHZ. 2020-12-25T23:36:52.94 0.1 undecidable manual P 301 31.0467 50 -0.14 95
IV.NRCA.HHZ. 2020-12-25T23:36:52.27 0.1 undecidable manual S 126 12.5763 129 -0.17 97
IV.GAVE.EHZ. 2020-12-25T23:36:51.97 0.1 undecidable manual P 198 24.3534 50 -0.08 97
IT.MTCL.HGZ. 2020-12-25T23:36:51.64 0.1 undecidable manual S 5 10.3785 135 -0.23 96
IV.FEMA.HNZ. 2020-12-25T23:36:51.55 0.1 undecidable manual S 36 8.4804 141 0.13 99
IV.MC2.EHZ. 2020-12-25T23:36:50.72 0.1 undecidable manual P 86 16.3725 122 0.06 99
IV.NRCA.HHZ. 2020-12-25T23:36:50.08 0.1 undecidable manual P 126 12.5763 129 0.03 100
IV.CESI.HHZ. 2020-12-25T23:36:50.35 0.1 undecidable manual P 330 13.4754 128 0.17 97
IV.FDMO.HHZ. 2020-12-25T23:36:50.71 0.1 undecidable manual P 28 17.0718 121 -0.07 98
IT.MTCL.HGZ. 2020-12-25T23:36:49.81 0.1 undecidable manual P 5 10.3785 135 0.09 99
IV.FEMA.HNZ. 2020-12-25T23:36:49.79 0.1 undecidable manual P 36 8.4804 141 0.33 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.6 0.0003800602 0.1536 AML other m 2020-12-25T23:36:52.67
IV.NRCA.HHN. ML:1.7 0.00050232425 0.1024 AML other m 2020-12-25T23:36:52.33
IV.NRCA.HNE. ML:1.5 0.0003577586 0.1536 AML other m 2020-12-25T23:36:52.60
IV.NRCA.HNN. ML:1.7 0.0005180346 0.128 AML other m 2020-12-25T23:36:52.33
IV.CESI.HHE. ML:1.0 0.00011510224500000001 0.064 AML other m 2020-12-25T23:36:53.05
IV.CESI.HHN. ML:1.2 0.000173167 0.064 AML other m 2020-12-25T23:36:53.04
IV.CESI.HNE. ML:1.2 0.0001476153 0.1664 AML other m 2020-12-25T23:36:53.04
IV.CESI.HNN. ML:1.2 0.000181662725 0.0896 AML other m 2020-12-25T23:36:53.04
IV.FDMO.HHE. ML:1.6 0.0003226684 0.192 AML other m 2020-12-25T23:36:53.67
IV.FDMO.HHN. ML:1.5 0.0002452818 0.1792 AML other m 2020-12-25T23:36:53.83
IV.GAVE.EHE. ML:1.2 0.00009110677 0.2304 AML other m 2020-12-25T23:36:58.36
IV.GAVE.EHN. ML:1.1 0.000070539665 0.2176 AML other m 2020-12-25T23:36:56.30
IV.GAVE.HNE. ML:1.2 0.00010728490000000001 0.2304 AML other m 2020-12-25T23:36:58.02
IV.CSP1.EHE. ML:1.5 0.0001735239 0.1536 AML other m 2020-12-25T23:36:57.24
IV.CSP1.EHN. ML:1.3 0.00010623324 0.1792 AML other m 2020-12-25T23:36:57.96
IV.ASSB.HHE. ML:1.0 0.000044277620000000006 0.1024 AML other m 2020-12-25T23:36:58.31
IV.ASSB.HHN. ML:0.9 0.000040738915 0.2048 AML other m 2020-12-25T23:36:58.10
IV.SNTG.HHN. ML:0.9 0.000028554355 0.1152 AML other m 2020-12-25T23:37:00.61
IV.MURB.HNE. ML:1.8 0.00014496825000000002 0.8576 AML other m 2020-12-25T23:37:04.22
IV.MURB.HHE. ML:1.1 0.00002862025 0.192 AML other m 2020-12-25T23:37:07.68
IV.MURB.HHN. ML:1.2 0.000037047175000000005 0.2944 AML other m 2020-12-25T23:37:07.74
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