Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 20-12-2019 and time 23:19:58 (UTC) in region 8 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 2.5 earthquake occured in region: 8 km SE Castelsantangelo sul Nera (MC), on

  • 20-12-2019 23:19:58 (UTC)
  • 21-12-2019 00:19:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8260, 13.1870 at 11 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.

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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
Castelsantangelo sul Nera MC 8 281 281
Norcia PG 9 4957 5238
Arquata del Tronto AP 11 1178 6416
Montegallo AP 12 523 6939
Preci PG 13 724 7663
Ussita MC 14 444 8107
Montemonaco AP 14 604 8711
Visso MC 14 1107 9818
Accumoli RI 15 667 10485
Montefortino FM 18 1178 11663
Cascia PG 19 3217 14880
Bolognola MC 19 142 15022
Acquasanta Terme AP 19 2916 17938

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
53 Km NE of Terni (111501 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
92 Km SW of Ancona (100861 inhabitants)
93 Km W of Pescara (121014 inhabitants)
96 Km NW of Chieti (51815 inhabitants)
99 Km NE of Guidonia Montecelio (88673 inhabitants)
99 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
Bulletin
Rev1000 		ML 2.5 2019-12-20
23:19:58		 42.8263 13.1873 11 2020-02-28
16:42:25		 Bollettino Sismico Italiano INGV 76481671
Reviewed
Rev100 		ML 2.6 2019-12-20
23:19:58		 42.8363 13.1967 13 2019-12-20
23:31:01		 Sala Sismica INGV-Roma 74831931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-20 23:19:58 ± 0.06
Latitude 42.8263 ± 0.0027
Longitude 13.1873 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76481671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 328
Semi-minor axis of confidence ellipse (meter) 263
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 33
Number of associated phases, regardless of their use for origin computation 72
Number of defining phases 72
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 1.17451
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 44
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 76
Type of magnitude ML
Reference to an origin 76481671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-13 10:22:39

ML:2.6

Field Value
Value 2.6
Uncertainty 0.3
Num. used stations 76
Type of magnitude ML
Reference to an origin 74831931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-20 23:31:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.POFI.HNE. 2019-12-20T23:20:20.60 0.6 undecidable manual P 161 130.3695 50 0.58 35
IV.CESX.HHZ. 2019-12-20T23:20:16.40 0.6 undecidable manual S 244 54.6009 50 0.81 38
IV.INTR.HHE. 2019-12-20T23:20:16.15 0.1 undecidable manual P 147 107.8143 50 -0.4 78
IV.MOMA.HHZ. 2019-12-20T23:20:15.43 0.6 undecidable manual S 267 50.3163 50 0.99 35
IV.SACS.HHE. 2019-12-20T23:20:15.57 0.3 undecidable manual P 272 103.9182 50 -0.39 59
IV.PIEI.HHZ. 2019-12-20T23:20:14.61 0.3 undecidable manual P 326 94.7385 50 0.08 65
IV.OFFI.HHZ. 2019-12-20T23:20:14.22 0.6 undecidable manual S 73 42.2244 50 1.92 20
IV.CERT.HHZ. 2019-12-20T23:20:14.73 0.6 undecidable manual P 190 98.8233 50 -0.43 40
IV.GIGS.HHZ. 2019-12-20T23:20:14.76 0.6 undecidable manual S 143 52.0035 50 -0.14 46
IV.MTCE.HHZ. 2019-12-20T23:20:14.34 0.3 undecidable manual P 202 96.3258 50 -0.43 60
IV.ARRO.EHZ. 2019-12-20T23:20:13.73 0.6 undecidable manual S 232 44.0226 50 0.97 36
IV.PTQR.HHZ. 2019-12-20T23:20:13.15 0.3 undecidable manual P 169 90.9423 50 -0.8 53
IV.MNTT.EHZ. 2019-12-20T23:20:13.80 0.6 undecidable manual S 52 42.2244 50 1.51 27
IV.SRES.HHZ. 2019-12-20T23:20:13.44 0.3 undecidable manual P 220 85.6476 50 0.3 63
IV.MNTP.HNZ. 2019-12-20T23:20:13.49 0.6 undecidable manual S 33 41.4252 50 1.43 28
IV.ARVD.HHZ. 2019-12-20T23:20:11.95 0.3 undecidable manual P 345 77.0673 50 0.14 66
IV.TERO.HHZ. 2019-12-20T23:20:11.77 0.6 undecidable manual S 124 40.7259 50 -0.13 47
IV.SEF1.HNN. 2019-12-20T23:20:11.81 0.6 undecidable manual S 331 40.5261 50 -0.02 48
IV.MML1.HNZ. 2019-12-20T23:20:10.49 0.3 undecidable manual S 331 36.3414 50 -0.22 70
IV.FAGN.HHZ. 2019-12-20T23:20:10.74 0.3 undecidable manual P 152 70.1742 50 0 69
IV.RM33.EHZ. 2019-12-20T23:20:10.68 0.3 undecidable manual S 176 35.2425 50 0.24 70
IV.CAMP.HHZ. 2019-12-20T23:20:10.72 0.1 undecidable manual S 151 36.9297 50 -0.16 94
IV.SAP2.EHZ. 2019-12-20T23:20:10.71 0.6 undecidable manual S 30 34.5432 50 0.47 44
IV.MF5.EHZ. 2019-12-20T23:20:09.04 0.6 undecidable manual S 51 28.4493 50 0.43 45
IV.FOSV.EHZ. 2019-12-20T23:20:09.32 0.3 undecidable manual P 327 62.3931 50 -0.23 67
IV.TRTR.HHZ. 2019-12-20T23:20:09.95 0.3 undecidable manual P 92 59.0964 50 0.9 53
IV.PF6.EHE. 2019-12-20T23:20:09.68 0.6 undecidable manual S 1 34.5432 50 -0.56 43
IV.ATCC.EHZ. 2019-12-20T23:20:09.04 0.3 undecidable manual P 312 59.5959 50 -0.08 69
IV.FIAM.HHZ. 2019-12-20T23:20:09.32 0.3 undecidable manual P 185 62.1933 50 -0.2 67
IV.EL6.EHZ. 2019-12-20T23:20:08.56 0.3 undecidable manual P 353 56.1993 50 -0.04 70
IV.CSP1.EHZ. 2019-12-20T23:20:08.44 0.3 undecidable manual S 3 29.4483 50 -0.45 67
IV.LNSS.HHZ. 2019-12-20T23:20:08.69 0.1 undecidable manual S 206 27.5502 50 0.32 93
IV.CESI.HNZ. 2019-12-20T23:20:08.88 0.3 undecidable manual S 311 30.3474 50 -0.23 71
MN.AQU.HNN. 2019-12-20T23:20:08.29 0.3 undecidable manual P 161 55.3002 50 -0.17 68
IV.GUMA.HHZ. 2019-12-20T23:20:08.91 0.3 undecidable manual S 25 28.8489 50 0.19 71
IV.CESX.HHZ. 2019-12-20T23:20:08.30 0.1 undecidable manual P 244 54.6009 50 -0.05 93
IV.GAVE.EHZ. 2019-12-20T23:20:08.97 0.3 undecidable manual S 238 28.1496 50 0.44 68
IV.GIGS.HHZ. 2019-12-20T23:20:07.41 0.1 undecidable manual P 143 52.0035 50 -0.54 84
IV.FDMO.HHZ. 2019-12-20T23:20:07.07 0.6 undecidable manual S 341 24.6531 50 -0.53 44
IV.MOMA.HHZ. 2019-12-20T23:20:07.69 0.1 undecidable manual P 267 50.3163 50 0 95
IV.T1299.EHE. 2019-12-20T23:20:07.35 0.6 undecidable manual S 160 22.6551 50 0.28 47
IV.SMA1.EHZ. 2019-12-20T23:20:07.53 0.6 undecidable manual S 151 24.8529 50 -0.12 49
IV.OFFI.HHZ. 2019-12-20T23:20:06.95 0.1 undecidable manual P 73 42.2244 50 0.51 87
IV.MNTP.HNZ. 2019-12-20T23:20:06.48 0.1 undecidable manual P 33 41.4252 50 0.17 93
IV.ARRO.EHZ. 2019-12-20T23:20:06.71 0.1 undecidable manual P 232 44.0226 50 0 96
IV.MNTT.EHZ. 2019-12-20T23:20:06.88 0.1 undecidable manual P 52 42.2244 50 0.44 88
IV.CAMP.HHZ. 2019-12-20T23:20:05.35 0.3 undecidable manual P 151 36.9297 50 -0.28 69
IV.FEMA.HNE. 2019-12-20T23:20:05.83 0.6 undecidable manual S 323 18.7701 119 -0.1 49
IV.SAP2.EHZ. 2019-12-20T23:20:05.24 0.1 undecidable manual P 30 34.5432 50 -0.02 97
IV.TERO.HHZ. 2019-12-20T23:20:05.98 0.1 undecidable manual P 124 40.7259 50 -0.24 92
IV.SEF1.HNN. 2019-12-20T23:20:05.80 0.3 undecidable manual P 331 40.5261 50 -0.38 67
IV.MML1.HNZ. 2019-12-20T23:20:05.24 0.1 undecidable manual P 331 36.3414 50 -0.29 92
IV.RM33.EHZ. 2019-12-20T23:20:05.26 0.3 undecidable manual P 176 35.2425 50 -0.11 72
IV.MTRA.HNZ. 2019-12-20T23:20:05.65 0.3 undecidable manual S 114 18.6702 120 -0.26 71
IV.GUMA.HHZ. 2019-12-20T23:20:04.30 0.1 undecidable manual P 25 28.8489 50 -0.08 97
IV.PF6.EHE. 2019-12-20T23:20:04.78 0.3 undecidable manual P 1 34.5432 50 -0.48 66
IV.GAVE.EHZ. 2019-12-20T23:20:04.32 0.1 undecidable manual P 238 28.1496 50 0.05 98
IV.CSP1.EHZ. 2019-12-20T23:20:04.15 0.1 undecidable manual P 3 29.4483 50 -0.33 92
IV.MF5.EHZ. 2019-12-20T23:20:04.38 0.3 undecidable manual P 51 28.4493 50 0.06 73
IV.MMO1.EHZ. 2019-12-20T23:20:04.26 0.1 undecidable manual S 54 13.875 127 -0.27 96
IV.LNSS.HHZ. 2019-12-20T23:20:04.23 0.1 undecidable manual P 206 27.5502 50 0.05 98
IV.CESI.HNZ. 2019-12-20T23:20:04.46 0.1 undecidable manual P 311 30.3474 50 -0.15 96
IV.T1299.EHE. 2019-12-20T23:20:03.52 0.1 undecidable manual P 160 22.6551 50 0.09 98
IV.NRCA.HNZ. 2019-12-20T23:20:03.05 0.3 undecidable manual S 278 5.994 150 0.37 71
IV.SMA1.EHZ. 2019-12-20T23:20:03.61 0.1 undecidable manual P 151 24.8529 50 -0.15 96
IV.MC2.EHZ. 2019-12-20T23:20:03.75 0.1 undecidable manual S 1 9.3795 138 0.38 95
IV.FDMO.HHZ. 2019-12-20T23:20:03.39 0.1 undecidable manual P 341 24.6531 50 -0.35 93
IV.MTRA.HNZ. 2019-12-20T23:20:02.59 0.1 undecidable manual P 114 18.6702 120 -0.17 97
IV.FEMA.HNE. 2019-12-20T23:20:02.71 0.1 undecidable manual P 323 18.7701 119 -0.06 99
IV.MMO1.EHZ. 2019-12-20T23:20:01.89 0.1 undecidable manual P 54 13.875 127 -0.07 100
IV.NRCA.HNZ. 2019-12-20T23:20:01.28 0.1 undecidable manual P 278 5.994 150 0.39 95
IV.MC2.EHZ. 2019-12-20T23:20:01.56 0.1 undecidable manual P 1 9.3795 138 0.27 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:3.4 0.0409 0.12 AML other m 2019-12-20T23:20:03.37
IV.NRCA.HHE. ML:3.4 0.04285 0.12 AML other m 2019-12-20T23:20:03.37
IV.NRCA.HNN. ML:3.3 0.029450000000000004 0.1 AML other m 2019-12-20T23:20:03.91
IV.NRCA.HHN. ML:3.3 0.033650000000000006 0.12 AML other m 2019-12-20T23:20:03.91
IV.MTRA.EHE. ML:2.8 0.005305 1.02 AML other m 2019-12-20T23:20:05.34
IV.MTRA.HNE. ML:2.8 0.005305 1.02 AML other m 2019-12-20T23:20:05.34
IV.MTRA.HNN. ML:2.8 0.004575 0.28 AML other m 2019-12-20T23:20:06.22
IV.MTRA.EHN. ML:2.8 0.004625 0.26 AML other m 2019-12-20T23:20:06.22
IV.FDMO.HHN. ML:2.3 0.00122 0.36 AML other m 2019-12-20T23:20:07.31
IV.FDMO.HHE. ML:2.3 0.0012195 0.28 AML other m 2019-12-20T23:20:07.76
IV.SMA1.EHE. ML:2.4 0.001655 1.26 AML other m 2019-12-20T23:20:08.09
IV.SMA1.EHN. ML:2.7 0.0029449999999999997 1.16 AML other m 2019-12-20T23:20:08.11
IV.CSP1.EHN. ML:2.2 0.0007715 0.18 AML other m 2019-12-20T23:20:08.85
IV.LNSS.HNN. ML:2.6 0.0020499999999999997 0.34 AML other m 2019-12-20T23:20:09.30
IV.CSP1.EHE. ML:2.2 0.0008015 0.46 AML other m 2019-12-20T23:20:09.24
IV.CESI.HHE. ML:2.5 0.0015699999999999998 0.34 AML other m 2019-12-20T23:20:09.25
IV.CESI.HNE. ML:2.5 0.0015300000000000001 0.18 AML other m 2019-12-20T23:20:09.25
IV.GUMA.HHN. ML:3.1 0.00667 0.42 AML other m 2019-12-20T23:20:09.33
IV.GUMA.HHE. ML:3.1 0.006894999999999999 0.18 AML other m 2019-12-20T23:20:09.25
IV.LNSS.HHN. ML:2.6 0.002145 0.68 AML other m 2019-12-20T23:20:09.30
IV.GAVE.HNE. ML:2.6 0.002315 0.26 AML other m 2019-12-20T23:20:09.67
IV.GAVE.EHE. ML:2.6 0.00226 1.14 AML other m 2019-12-20T23:20:09.68
IV.MF5.EHE. ML:2.7 0.0026500000000000004 0.7 AML other m 2019-12-20T23:20:09.70
IV.CESI.HHN. ML:2.8 0.00325 0.54 AML other m 2019-12-20T23:20:09.43
IV.CESI.HNN. ML:2.8 0.00313 0.54 AML other m 2019-12-20T23:20:09.44
IV.MF5.EHN. ML:2.6 0.0018599999999999999 0.42 AML other m 2019-12-20T23:20:09.52
IV.GAVE.HNN. ML:2.1 0.0006639999999999999 1.8 AML other m 2019-12-20T23:20:09.03
IV.GAVE.EHN. ML:2.6 0.0019399999999999999 1.78 AML other m 2019-12-20T23:20:09.04
IV.LNSS.HHE. ML:2.6 0.002095 1.88 AML other m 2019-12-20T23:20:09.94
IV.LNSS.HNE. ML:2.6 0.00197 0.1 AML other m 2019-12-20T23:20:09.94
IV.CAMP.HHE. ML:2.7 0.0018499999999999999 0.18 AML other m 2019-12-20T23:20:11.04
IV.CAMP.HHN. ML:2.5 0.00118 0.18 AML other m 2019-12-20T23:20:11.12
IV.RM33.HNN. ML:2.5 0.00138 0.66 AML other m 2019-12-20T23:20:11.73
IV.RM33.EHN. ML:2.5 0.00133 0.66 AML other m 2019-12-20T23:20:11.73
IV.RM33.HNE. ML:2.6 0.0014199999999999998 0.3 AML other m 2019-12-20T23:20:11.81
IV.RM33.EHE. ML:2.6 0.0014249999999999998 0.3 AML other m 2019-12-20T23:20:11.96
IV.TERO.HHN. ML:3.0 0.003255 0.08 AML other m 2019-12-20T23:20:12.14
IV.TERO.HHE. ML:2.8 0.0022299999999999998 0.12 AML other m 2019-12-20T23:20:12.20
IV.SAP2.EHE. ML:2.7 0.0018700000000000001 0.34 AML other m 2019-12-20T23:20:12.07
IV.SAP2.EHN. ML:3.4 0.010725000000000002 0.22 AML other m 2019-12-20T23:20:12.30
IV.MNTT.EHN. ML:3.1 0.0040750000000000005 0.24 AML other m 2019-12-20T23:20:14.39
IV.ARRO.EHE. ML:2.3 0.0006475 0.18 AML other m 2019-12-20T23:20:15.41
IV.ARRO.EHN. ML:2.1 0.0003715 0.18 AML other m 2019-12-20T23:20:15.49
IV.OFFI.HHN. ML:2.8 0.0019399999999999999 0.5 AML other m 2019-12-20T23:20:15.39
IV.GIGS.HHN. ML:1.9 0.0002035 0.14 AML other m 2019-12-20T23:20:15.73
IV.GIGS.HHE. ML:1.9 0.00017999999999999998 0.24 AML other m 2019-12-20T23:20:15.72
IV.OFFI.HHE. ML:2.7 0.00177 0.4 AML other m 2019-12-20T23:20:15.97
IV.MOMA.HNN. ML:2.5 0.000819 1.06 AML other m 2019-12-20T23:20:15.97
IV.MNTT.EHE. ML:3.1 0.003965 0.5 AML other m 2019-12-20T23:20:16.59
IV.MOMA.HHN. ML:2.6 0.000955 0.18 AML other m 2019-12-20T23:20:16.75
IV.MOMA.HHE. ML:2.7 0.0012349999999999998 1.38 AML other m 2019-12-20T23:20:16.92
IV.MOMA.HNE. ML:2.6 0.00117 1.4 AML other m 2019-12-20T23:20:16.93
IV.CESX.HHN. ML:2.2 0.000391 0.26 AML other m 2019-12-20T23:20:17.79
IV.FOSV.EHN. ML:2.2 0.000314 0.34 AML other m 2019-12-20T23:20:18.96
IV.FOSV.EHE. ML:2.0 0.000183 1.56 AML other m 2019-12-20T23:20:18.21
IV.FIAM.HHE. ML:1.7 0.00010494999999999999 0.98 AML other m 2019-12-20T23:20:19.64
IV.ATCC.EHE. ML:2.4 0.00046199999999999995 0.68 AML other m 2019-12-20T23:20:19.17
IV.ATCC.EHN. ML:2.2 0.0003585 0.66 AML other m 2019-12-20T23:20:19.72
IV.FIAM.HHN. ML:1.6 0.00008560000000000001 0.42 AML other m 2019-12-20T23:20:20.27
IV.EL6.EHE. ML:2.4 0.0005245 0.72 AML other m 2019-12-20T23:20:20.62
IV.CESX.HHE. ML:2.2 0.00033699999999999995 0.96 AML other m 2019-12-20T23:20:20.53
IV.MURB.HNE. ML:2.9 0.001232 0.5 AML other m 2019-12-20T23:20:23.63
IV.EL6.EHN. ML:2.3 0.000423 1.06 AML other m 2019-12-20T23:20:23.77
IV.FAGN.HHN. ML:2.4 0.000379 0.42 AML other m 2019-12-20T23:20:24.03
IV.MURB.HHE. ML:2.6 0.0007 1.02 AML other m 2019-12-20T23:20:25.63
IV.FAGN.HHE. ML:2.4 0.00040449999999999997 0.42 AML other m 2019-12-20T23:20:25.78
IV.ARVD.HHE. ML:1.9 0.00011735 0.16 AML other m 2019-12-20T23:20:25.87
IV.MURB.HHN. ML:2.6 0.000605 0.3 AML other m 2019-12-20T23:20:27.11
IV.SRES.HHE. ML:1.8 0.00008080000000000001 0.46 AML other m 2019-12-20T23:20:27.38
IV.TRTR.HHN. ML:2.7 0.0011899999999999999 1.06 AML other m 2019-12-20T23:20:28.66
IV.TRTR.HHE. ML:2.9 0.00159 0.42 AML other m 2019-12-20T23:20:28.45
IV.PIEI.HHN. ML:1.9 0.00009185 0.42 AML other m 2019-12-20T23:20:28.61
IV.SRES.HHN. ML:1.9 0.0000969 1.38 AML other m 2019-12-20T23:20:30.79
IV.ARVD.HHN. ML:1.9 0.00011929999999999999 1.52 AML other m 2019-12-20T23:20:30.02
IV.PIEI.HHE. ML:2.1 0.0001255 0.9 AML other m 2019-12-20T23:20:36.56
IV.MURB.HNN. ML:2.8 0.0010585 0.72 AML other m 2019-12-20T23:20:38.06
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
Waveforms Seismic signals in miniseed + resp format Download