Earthquake with magnitude of ML 1.4 on date 24-12-2019 and time 12:39:07 (Italy) in region 8 km W Arquata del Tronto (AP)

A magnitude ML 1.4 earthquake occured in region: 8 km W Arquata del Tronto (AP), on

  • 24-12-2019 11:39:07 (UTC)
  • 24-12-2019 12:39:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7770, 13.1980 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Arquata del Tronto AP 8 1178 1178
Norcia PG 9 4957 6135
Accumoli RI 10 667 6802
Montegallo AP 13 523 7325
Castelsantangelo sul Nera MC 14 281 7606
Cascia PG 16 3217 10823
Preci PG 17 724 11547
Acquasanta Terme AP 17 2916 14463
Montemonaco AP 17 604 15067
Cittareale RI 18 482 15549
Amatrice RI 18 2657 18206
Visso MC 19 1107 19313
Ussita MC 19 444 19757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
45 Km E of Foligno (57155 inhabitants)
50 Km NW of L'Aquila (69753 inhabitants)
51 Km E of Terni (111501 inhabitants)
75 Km E of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
90 Km W of Pescara (121014 inhabitants)
93 Km NW of Chieti (51815 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km NE of Tivoli (56533 inhabitants)
97 Km S of Ancona (100861 inhabitants)
98 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 1.4 2019-12-24
11:39:07
42.7772 13.1982 11 2020-02-28
16:42:21
Bollettino Sismico Italiano INGV 75948411
Reviewed
Rev100
ML 1.6 2019-12-24
11:39:07
42.7768 13.1963 11 2019-12-24
11:48:24
Sala Sismica INGV-Roma 74938401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-24 11:39:07 ± 0.04
Latitude 42.7772 ± 0.0018
Longitude 13.1982 ± 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 75948411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 356
Semi-minor axis of confidence ellipse (meter) 142
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
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) 56
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) 0.08364
Epicentral distance of station farthest from the epicenter (degree) 0.47934
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 75948411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-28 14:10:33

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 74938401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-24 11:48:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2019-12-24T11:39:19.35 0.3 undecidable manual S 1 34.9428 50 -0.1 72
IV.MF5.EHZ. 2019-12-24T11:39:19.29 0.6 undecidable manual S 42 31.5462 50 0.72 40
IV.CESI.HHZ. 2019-12-24T11:39:19.35 0.6 undecidable manual S 317 34.743 50 -0.06 48
IV.RM33.EHZ. 2019-12-24T11:39:18.20 0.3 undecidable manual S 177 29.748 50 0.11 72
IV.MOMA.HHE. 2019-12-24T11:39:17.08 0.3 undecidable manual P 274 51.2154 50 0.14 69
IV.FDMO.HHZ. 2019-12-24T11:39:17.90 0.3 undecidable manual S 343 30.1476 50 -0.28 70
IV.CESX.HHN. 2019-12-24T11:39:17.16 0.6 undecidable manual P 250 53.2023 50 -0.09 46
IV.GIGS.HHZ. 2019-12-24T11:39:16.36 0.3 undecidable manual P 139 47.2194 50 0.04 71
IV.LNSS.HHZ. 2019-12-24T11:39:16.40 0.3 undecidable manual S 214 23.2545 50 0.06 74
IV.SMA1.EHZ. 2019-12-24T11:39:15.20 0.3 undecidable manual S 145 19.7691 118 -0.13 73
IV.MF5.EHZ. 2019-12-24T11:39:14.21 0.3 undecidable manual P 42 31.5462 50 0.29 69
IV.MTRA.HNZ. 2019-12-24T11:39:14.11 0.3 undecidable manual S 98 16.2726 123 -0.19 73
IV.CESI.HHZ. 2019-12-24T11:39:14.25 0.3 undecidable manual P 317 34.743 50 -0.15 71
IV.MMO1.EHZ. 2019-12-24T11:39:14.33 0.3 undecidable manual S 38 17.0718 122 -0.21 72
IV.CSP1.EHZ. 2019-12-24T11:39:14.26 0.1 undecidable manual P 1 34.9428 50 -0.17 94
IV.T1299.HNZ. 2019-12-24T11:39:14.94 0.6 undecidable manual S 157 17.2716 121 0.35 47
IV.GUMA.HHZ. 2019-12-24T11:39:14.43 0.3 undecidable manual P 19 33.5442 50 0.21 70
IV.MC2.EHZ. 2019-12-24T11:39:14.12 0.3 undecidable manual S 357 14.874 125 0.22 72
IV.FDMO.HHZ. 2019-12-24T11:39:13.47 0.1 undecidable manual P 343 30.1476 50 -0.23 94
IV.RM33.EHZ. 2019-12-24T11:39:13.54 0.1 undecidable manual P 177 29.748 50 -0.1 96
IV.SMA1.EHZ. 2019-12-24T11:39:12.04 0.1 undecidable manual P 145 19.7691 118 -0.01 100
IV.LNSS.HHZ. 2019-12-24T11:39:12.64 0.1 positive manual P 214 23.2545 50 0.01 99
IV.NRCA.HHZ. 2019-12-24T11:39:12.45 0.3 undecidable manual S 312 9.2796 139 0.01 76
IV.T1299.HNZ. 2019-12-24T11:39:11.35 0.3 undecidable manual P 157 17.2716 121 -0.27 71
IV.MC2.EHZ. 2019-12-24T11:39:11.35 0.1 negative manual P 357 14.874 125 0.13 98
IV.MTRA.HNZ. 2019-12-24T11:39:11.42 0.3 undecidable manual P 98 16.2726 123 -0.03 75
IV.MMO1.EHZ. 2019-12-24T11:39:11.55 0.1 undecidable manual P 38 17.0718 122 -0.04 100
IV.NRCA.HHZ. 2019-12-24T11:39:10.56 0.1 undecidable manual P 312 9.2796 139 0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.0 0.001338068 0.0704 AML other m 2019-12-24T11:39:12.62
IV.NRCA.HNN. ML:1.8 0.0007507729 0.0704 AML other m 2019-12-24T11:39:12.63
IV.NRCA.HHN. ML:1.7 0.0007344103 0.0832 AML other m 2019-12-24T11:39:12.64
IV.NRCA.HHE. ML:2.0 0.0014655985 0.0768 AML other m 2019-12-24T11:39:12.62
IV.MTRA.EHE. ML:1.4 0.000197008495 0.2176 AML other m 2019-12-24T11:39:14.22
IV.MTRA.EHN. ML:1.4 0.000194002 0.256 AML other m 2019-12-24T11:39:14.66
IV.MTRA.HNE. ML:1.3 0.00017415556999999997 0.224 AML other m 2019-12-24T11:39:14.21
IV.MTRA.HNN. ML:1.3 0.00018488215 0.2496 AML other m 2019-12-24T11:39:14.66
IV.SMA1.EHE. ML:1.2 0.000112875615 0.1216 AML other m 2019-12-24T11:39:15.46
IV.SMA1.EHN. ML:1.1 0.00009694658 0.0832 AML other m 2019-12-24T11:39:15.48
IV.LNSS.HNE. ML:1.4 0.000167331735 0.128 AML other m 2019-12-24T11:39:17.00
IV.LNSS.HHE. ML:1.5 0.00018308083499999999 0.1152 AML other m 2019-12-24T11:39:17.00
IV.LNSS.HNN. ML:1.4 0.000147469825 0.608 AML other m 2019-12-24T11:39:15.87
IV.LNSS.HHN. ML:1.2 0.00010559777000000001 0.1408 AML other m 2019-12-24T11:39:16.89
IV.RM33.EHE. ML:1.1 0.000054684695 0.0768 AML other m 2019-12-24T11:39:18.85
IV.RM33.EHN. ML:0.9 0.00003927055049999999 0.1024 AML other m 2019-12-24T11:39:18.47
IV.MF5.EHE. ML:1.4 0.000100784555 0.5184 AML other m 2019-12-24T11:39:19.87
IV.MF5.EHN. ML:1.0 0.00004650238025 0.6592 AML other m 2019-12-24T11:39:19.43
IV.GUMA.HNE. ML:1.8 0.00025887895 0.4608 AML other m 2019-12-24T11:39:21.03
IV.GUMA.HHE. ML:1.8 0.0002807286 0.2624 AML other m 2019-12-24T11:39:19.98
IV.GUMA.HHN. ML:1.7 0.00022597505000000002 0.4416 AML other m 2019-12-24T11:39:20.08
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