Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 30-12-2019 and time 05:22:47 (Italy) in region 6 km SW Monte Cavallo (MC)

A magnitude ML 1.7 earthquake occured in region: 6 km SW Monte Cavallo (MC), on

  • 30-12-2019 04:22:47 (UTC)
  • 30-12-2019 05:22:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9510, 12.9500 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.

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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
Monte Cavallo MC 7 145 145
Sellano PG 7 1079 1224
Preci PG 11 724 1948
Visso MC 12 1107 3055
Pieve Torina MC 13 1458 4513
Serravalle di Chienti MC 14 1070 5583
Cerreto di Spoleto PG 15 1075 6658
Fiordimonte MC 15 202 6860
Ussita MC 15 444 7304
Muccia MC 17 915 8219
Pievebovigliana MC 17 866 9085
Castelsantangelo sul Nera MC 18 281 9366
Trevi PG 18 8469 17835
Fiastra MC 19 559 18394
Valtopina PG 20 1398 19792

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km E of Foligno (57155 inhabitants)
49 Km E of Perugia (166134 inhabitants)
50 Km NE of Terni (111501 inhabitants)
70 Km W of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
100 Km S of Fano (60888 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 1.7 2019-12-30
04:22:47		 42.9508 12.9498 10 2020-02-28
16:42:24		 Bollettino Sismico Italiano INGV 76434391
Reviewed
Rev100 		ML 1.8 2019-12-30
04:22:47		 42.9512 12.9548 11 2019-12-30
04:29:54		 Sala Sismica INGV-Roma 75102081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-30 04:22:47 ± 0.06
Latitude 42.9508 ± 0.0027
Longitude 12.9498 ± 0.0049
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 76434391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 383
Semi-minor axis of confidence ellipse (meter) 302
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) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
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 33
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.5
Num. used stations 36
Type of magnitude ML
Reference to an origin 76434391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-11 14:29:51

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 75102081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-30 04:29:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.STN3.HHZ.02 2019-12-30T04:24:36.89 3.0 undecidable manual Sg 17.030001 0
IV.BULG.HHZ. 2019-12-30T04:24:25.81 3.0 undecidable manual Sn 0.03 0
CR.ZAG.BHZ. 2019-12-30T04:24:14.34 3.0 undecidable manual Sn -0.78 0
IV.MODR.HHZ. 2019-12-30T04:23:58.38 3.0 undecidable manual Sg 9 0
IV.PTRJ.HNZ. 2019-12-30T04:23:58.35 3.0 undecidable manual Sg 7.35 0
IV.SALB.HHZ. 2019-12-30T04:23:44.86 3.0 undecidable manual Pn -1.77 0
IV.CDRU.HHZ. 2019-12-30T04:23:39.72 3.0 undecidable manual Pg 6.41 0
IV.CAFE.HHZ. 2019-12-30T04:23:30.47 3.0 positive manual Pn 3.42 0
IV.QLNO.HHZ. 2019-12-30T04:23:27.16 3.0 undecidable manual Pn 0.46 0
IV.MSAG.HHZ. 2019-12-30T04:23:27.10 3.0 negative manual Pn 1.11 0
IV.PTRJ.HNZ. 2019-12-30T04:23:24.85 3.0 undecidable manual Pg 5.99 0
SL.LJU.BHZ. 2019-12-30T04:23:23.32 3.0 undecidable manual Pn -2.63 0
IV.SMA1.EHN. 2019-12-30T04:23:03.32 0.6 undecidable manual S 138 47.4192 50 0.82 37
IV.T1299.HNN. 2019-12-30T04:23:02.60 0.3 undecidable manual S 142 44.3223 50 0.92 54
IV.CESX.HHE. 2019-12-30T04:23:02.83 0.6 undecidable manual S 218 48.1185 50 0.14 46
IV.EL6.EHZ. 2019-12-30T04:23:01.70 3.0 undecidable manual S 16 43.7229 50 0.18 0
IV.FOSV.HNE. 2019-12-30T04:23:01.47 0.1 undecidable manual S 338 41.1255 50 0.65 81
IV.LNSS.HHZ. 2019-12-30T04:23:00.20 0.3 undecidable manual S 169 39.3273 50 -0.14 70
IV.SNTG.HHZ. 2019-12-30T04:22:59.00 0.1 undecidable manual S 359 33.744 50 0.15 94
IV.GUMA.HNN. 2019-12-30T04:22:59.37 0.1 undecidable manual S 68 33.6441 50 0.55 85
IV.MMO1.EHZ. 2019-12-30T04:22:58.00 0.1 undecidable manual S 100 31.1466 50 -0.16 94
IV.GAVE.EHZ. 2019-12-30T04:22:57.50 0.1 undecidable manual S 189 29.0487 50 -0.1 95
IV.PF6.EHN. 2019-12-30T04:22:57.17 0.3 undecidable manual S 44 28.6491 50 -0.34 68
IV.CSP1.EHZ. 2019-12-30T04:22:56.40 0.1 undecidable manual S 53 25.9518 50 -0.37 90
IV.ASSB.HHN. 2019-12-30T04:22:56.40 0.1 undecidable manual S 293 25.752 50 -0.31 92
IV.CESX.HHE. 2019-12-30T04:22:55.67 0.6 undecidable manual P 218 48.1185 50 -0.49 42
IV.RIBO.EHZ.01 2019-12-30T04:22:55.10 3.0 positive manual P -4.08 0
IV.SMA1.EHN. 2019-12-30T04:22:55.96 0.6 undecidable manual P 138 47.4192 50 -0.09 46
IV.MC2.EHZ. 2019-12-30T04:22:55.00 0.1 undecidable manual S 103 19.869 118 -0.04 98
IV.T1299.HNN. 2019-12-30T04:22:55.77 0.6 undecidable manual P 142 44.3223 50 0.19 45
IV.EL6.EHZ. 2019-12-30T04:22:55.37 0.1 positive manual P 16 43.7229 50 -0.12 92
IV.FOSV.HNE. 2019-12-30T04:22:54.84 0.1 undecidable manual P 338 41.1255 50 -0.24 91
IV.GUMA.HNN. 2019-12-30T04:22:54.11 0.1 negative manual P 68 33.6441 50 0.18 93
IV.MML1.HNE. 2019-12-30T04:22:54.42 0.6 undecidable manual S 6 18.1707 120 -0.07 49
IV.LNSS.HHZ. 2019-12-30T04:22:54.55 0.1 positive manual P 169 39.3273 50 -0.25 91
IV.NRCA.HHZ. 2019-12-30T04:22:54.50 0.1 undecidable manual S 134 18.6702 119 -0.15 96
IV.SNTG.HHZ. 2019-12-30T04:22:53.74 0.1 negative manual P 359 33.744 50 -0.2 92
IV.PF6.EHN. 2019-12-30T04:22:53.00 0.3 undecidable manual P 44 28.6491 50 -0.17 70
IV.FDMO.HHZ. 2019-12-30T04:22:53.20 0.1 undecidable manual S 50 14.6742 125 -0.28 94
IV.MMO1.EHZ. 2019-12-30T04:22:53.36 0.1 negative manual P 100 31.1466 50 -0.19 93
IV.GAVE.EHZ. 2019-12-30T04:22:53.11 0.1 positive manual P 189 29.0487 50 -0.11 95
IV.CSP1.EHZ. 2019-12-30T04:22:52.68 0.1 undecidable manual P 53 25.9518 50 -0.06 96
IV.ASSB.HHN. 2019-12-30T04:22:52.83 0.1 undecidable manual P 293 25.752 50 0.12 95
IT.MTCL.HGZ. 2019-12-30T04:22:51.40 0.1 undecidable manual S 40 6.2937 149 -0.05 100
IV.MML1.HNE. 2019-12-30T04:22:51.42 0.1 positive manual P 6 18.1707 120 -0.01 99
IV.MC2.EHZ. 2019-12-30T04:22:51.76 0.1 negative manual P 103 19.869 118 0.02 98
IV.CESI.HHZ. 2019-12-30T04:22:51.70 0.1 undecidable manual S 329 6.993 146 0.1 99
IV.NRCA.HHZ. 2019-12-30T04:22:51.45 0.1 positive manual P 134 18.6702 119 -0.07 98
IV.FDMO.HHZ. 2019-12-30T04:22:50.87 0.1 negative manual P 50 14.6742 125 0.03 99
IV.FEMA.HNE. 2019-12-30T04:22:50.16 0.1 negative manual P 81 8.1807 142 0.26 95
IV.CESI.HHZ. 2019-12-30T04:22:50.07 0.1 negative manual P 329 6.993 146 0.31 95
IT.MTCL.HGZ. 2019-12-30T04:22:49.85 0.1 negative manual P 40 6.2937 149 0.18 97
IV.APEC.HHZ. 2019-12-30T04:22:41.42 3.0 undecidable manual P -0.59 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.0 0.0005889361 0.0576 AML other m 2019-12-30T04:22:51.95
IV.CESI.HNE. ML:0.0 0.0005436751 0.0704 AML other m 2019-12-30T04:22:51.95
IV.CESI.HNN. ML:0.0 0.00050048925 0.1888 AML other m 2019-12-30T04:22:52.03
IV.CESI.HHN. ML:0.0 0.0005744116 0.0608 AML other m 2019-12-30T04:22:51.97
IV.FDMO.HHN. ML:0.0 0.0003572971 0.2208 AML other m 2019-12-30T04:22:53.50
IV.FDMO.HHE. ML:0.0 0.000306778 0.2816 AML other m 2019-12-30T04:22:53.51
IV.NRCA.HHN. ML:0.0 0.0004450923 0.2016 AML other m 2019-12-30T04:22:54.47
IV.NRCA.HHE. ML:0.0 0.00050037705 0.1216 AML other m 2019-12-30T04:22:54.67
IV.NRCA.HNN. ML:1.7 0.00041770669999999997 0.1888 AML other m 2019-12-30T04:22:54.56
IV.NRCA.HNE. ML:1.8 0.0004692335 0.1408 AML other m 2019-12-30T04:22:54.66
IV.CSP1.EHE. ML:1.4 0.00012599185500000002 0.2208 AML other m 2019-12-30T04:22:57.36
IV.CSP1.EHN. ML:1.2 0.000089145022 0.2592 AML other m 2019-12-30T04:22:56.79
IV.GAVE.EHE. ML:1.4 0.00013129475000000002 0.1792 AML other m 2019-12-30T04:22:58.32
IV.GAVE.EHN. ML:1.4 0.00013354215 0.1408 AML other m 2019-12-30T04:22:59.64
IV.SNTG.HHE. ML:1.1 0.000050833191 0.0992 AML other m 2019-12-30T04:22:59.47
IV.SNTG.HNE. ML:1.5 0.000139877525 0.7808 AML other m 2019-12-30T04:23:07.12
IV.SNTG.HHN. ML:1.0 0.00004551658 0.1024 AML other m 2019-12-30T04:22:59.36
IV.SNTG.HNN. ML:1.7 0.00018877425 0.7392 AML other m 2019-12-30T04:22:54.07
IV.LNSS.HHE. ML:1.3 0.000067775045 0.1376 AML other m 2019-12-30T04:23:01.34
IV.LNSS.HNN. ML:1.7 0.00018274005499999997 0.9792 AML other m 2019-12-30T04:23:07.97
IV.LNSS.HNE. ML:1.6 0.00014655905000000003 0.5696 AML other m 2019-12-30T04:22:56.51
IV.LNSS.HHN. ML:1.3 0.00007284664 0.1792 AML other m 2019-12-30T04:23:01.50
IV.EL6.EHN. ML:1.5 0.000102078765 1.68 AML other m 2019-12-30T04:23:16.32
IV.EL6.EHE. ML:1.6 0.00010926675999999999 1.5616 AML other m 2019-12-30T04:23:16.76
SL.LJU.BHN. ML:3.5 0.00025100315 0.8992 AML other m 2019-12-30T04:24:16.37
SL.LJU.BHE. ML:3.6 0.00030977184999999994 1.2992 AML other m 2019-12-30T04:24:16.67
IV.MSAG.HNE. ML:3.2 0.0002369567 1.36 AML other m 2019-12-30T04:24:07.42
IV.MSAG.HHN. ML:2.9 0.00012495525 1.8176 AML other m 2019-12-30T04:24:06.01
IV.MSAG.HHE. ML:2.8 0.00009287197999999999 1.3408 AML other m 2019-12-30T04:24:07.41
IV.MSAG.HNN. ML:3.4 0.00034469415000000004 1.9776 AML other m 2019-12-30T04:24:05.97
IV.QLNO.HHE. ML:2.6 0.000023250495 0.0608 AML other m 2019-12-30T04:23:38.95
IV.QLNO.HHN. ML:2.6 0.00002261174 0.56 AML other m 2019-12-30T04:24:02.80
IV.CAFE.HNE. ML:3.0 0.0001419426 0.8096 AML other m 2019-12-30T04:24:05.88
IV.CAFE.HHN. ML:3.1 0.0001774185 1.8976 AML other m 2019-12-30T04:24:32.02
IV.CAFE.HHE. ML:2.7 0.000074566455 0.4192 AML other m 2019-12-30T04:23:59.41
IV.CAFE.HNN. ML:3.3 0.0002551427 1.3792 AML other m 2019-12-30T04:24:15.22
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