Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 12-12-2019 and time 06:37:22 (Italy) in region 8 km W Montegallo (AP)

A magnitude ML 1.0 earthquake occured in region: 8 km W Montegallo (AP), on

  • 12-12-2019 05:37:22 (UTC)
  • 12-12-2019 06:37:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8380, 13.2360 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
Montegallo AP 8 523 523
Arquata del Tronto AP 9 1178 1701
Castelsantangelo sul Nera MC 9 281 1982
Montemonaco AP 10 604 2586
Norcia PG 13 4957 7543
Ussita MC 14 444 7987
Montefortino FM 15 1178 9165
Accumoli RI 16 667 9832
Visso MC 16 1107 10939
Acquasanta Terme AP 16 2916 13855
Preci PG 17 724 14579
Bolognola MC 18 142 14721
Amandola FM 19 3629 18350
Palmiano AP 19 196 18546
Roccafluvione AP 20 2010 20556
Comunanza AP 20 3166 23722

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
45 Km E of Foligno (57155 inhabitants)
56 Km N of L'Aquila (69753 inhabitants)
57 Km NE of Terni (111501 inhabitants)
75 Km E of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
90 Km S of Ancona (100861 inhabitants)
90 Km W of Pescara (121014 inhabitants)
94 Km NW of Chieti (51815 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 1.0 2019-12-12
05:37:22		 42.8383 13.2363 10 2019-12-12
05:47:50		 Sala Sismica INGV-Roma 74570741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-12 05:37:22 ± 0.05
Latitude 42.8383 ± 0.0027
Longitude 13.2363 ± 0.0049
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 74570741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 359
Semi-minor axis of confidence ellipse (meter) 247
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 82
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) 77
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
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) 0.08094
Epicentral distance of station farthest from the epicenter (degree) 0.34534
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 74570741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-12 05:47:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HHE. 2019-12-12T05:37:33.37 0.3 undecidable manual S 212 30.6471 50 0.22 71
IV.GUMA.HHZ. 2019-12-12T05:37:32.23 0.3 undecidable manual S 18 26.1516 50 0.28 71
IV.CSP1.EHZ. 2019-12-12T05:37:32.32 0.3 undecidable manual S 355 28.2495 50 -0.19 72
IV.FDMO.HHZ. 2019-12-12T05:37:31.22 0.6 undecidable manual S 331 25.0527 50 -0.45 45
IV.MF5.EHZ. 2019-12-12T05:37:31.96 0.6 undecidable manual S 48 24.5532 50 0.43 46
IV.T1299.EHE. 2019-12-12T05:37:31.44 0.6 undecidable manual S 171 22.9548 50 0.34 47
IV.SMA1.EHN. 2019-12-12T05:37:31.50 0.3 undecidable manual S 161 24.4533 50 0 75
IV.RM33.HNN. 2019-12-12T05:37:29.73 0.6 undecidable manual P 183 36.6411 50 0.22 47
IV.MML1.HNZ. 2019-12-12T05:37:29.54 0.3 undecidable manual P 325 37.3293 50 -0.09 72
IV.TERO.HHZ. 2019-12-12T05:37:29.61 0.3 undecidable manual P 128 38.3283 50 -0.17 71
IV.CSP1.EHZ. 2019-12-12T05:37:28.10 0.3 undecidable manual P 355 28.2495 50 -0.12 73
IV.CESI.HHZ. 2019-12-12T05:37:28.80 0.3 undecidable manual P 305 32.6451 50 -0.11 72
IV.LNSS.HHE. 2019-12-12T05:37:28.59 0.3 undecidable manual P 212 30.6471 50 0 74
IV.GUMA.HHZ. 2019-12-12T05:37:28.03 0.3 undecidable manual P 18 26.1516 50 0.13 73
IV.MTRA.EHZ. 2019-12-12T05:37:28.74 0.3 undecidable manual S 125 15.873 123 -0.22 73
IV.T1299.EHE. 2019-12-12T05:37:27.17 0.6 undecidable manual P 171 22.9548 50 -0.24 48
IV.MMO1.EHZ. 2019-12-12T05:37:27.25 0.1 undecidable manual S 47 9.9789 136 -0.13 100
IV.SMA1.EHN. 2019-12-12T05:37:27.22 0.6 undecidable manual P 161 24.4533 50 -0.42 46
IV.MC2.EHZ. 2019-12-12T05:37:27.33 0.3 undecidable manual S 335 8.9799 139 0.19 74
IV.FDMO.HHZ. 2019-12-12T05:37:27.51 0.3 undecidable manual P 331 25.0527 50 -0.23 72
IV.NRCA.HHZ. 2019-12-12T05:37:27.31 0.3 undecidable manual S 267 9.9789 136 -0.05 76
IV.MF5.EHZ. 2019-12-12T05:37:27.81 0.3 undecidable manual P 48 24.5532 50 0.15 73
IV.MTRA.EHZ. 2019-12-12T05:37:26.16 0.3 undecidable manual P 125 15.873 123 -0.01 76
IV.NRCA.HHZ. 2019-12-12T05:37:25.41 0.3 undecidable manual P 267 9.9789 136 0.16 75
IV.MMO1.EHZ. 2019-12-12T05:37:25.32 0.3 undecidable manual P 47 9.9789 136 0.06 76
IV.MC2.EHZ. 2019-12-12T05:37:25.37 0.3 undecidable manual P 335 8.9799 139 0.25 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.8 0.00070082535 0.1408 AML other m 2019-12-12T05:37:27.44
IV.NRCA.HHN. ML:1.6 0.00049495295 0.08 AML other m 2019-12-12T05:37:27.39
IV.NRCA.HNE. ML:1.7 0.0006674929000000001 0.1504 AML other m 2019-12-12T05:37:27.44
IV.NRCA.HNN. ML:1.5 0.00038853965000000003 0.0704 AML other m 2019-12-12T05:37:27.39
IV.MTRA.EHE. ML:0.9 0.000075062245 0.2592 AML other m 2019-12-12T05:37:29.17
IV.MTRA.EHN. ML:0.9 0.00006973036 0.32 AML other m 2019-12-12T05:37:28.90
IV.MTRA.HNE. ML:1.1 0.00012396345 0.2784 AML other m 2019-12-12T05:37:30.05
IV.MTRA.HNN. ML:1.0 0.00009354518000000001 0.448 AML other m 2019-12-12T05:37:29.21
IV.FDMO.HHE. ML:0.6 0.000022725425 0.16 AML other m 2019-12-12T05:37:32.14
IV.FDMO.HHN. ML:0.7 0.00003241405 0.1824 AML other m 2019-12-12T05:37:32.11
IV.MF5.EHE. ML:0.4 0.000012988097 0.1408 AML other m 2019-12-12T05:37:32.21
IV.MF5.EHN. ML:1.1 0.00007450648999999999 1.52 AML other m 2019-12-12T05:37:32.91
IV.CSP1.EHE. ML:0.7 0.0000239230265 1.1584 AML other m 2019-12-12T05:37:32.99
IV.CSP1.EHN. ML:0.5 0.0000157628642 0.8416 AML other m 2019-12-12T05:37:32.88
IV.CESI.HHE. ML:1.0 0.000040847 0.1408 AML other m 2019-12-12T05:37:33.78
IV.CESI.HHN. ML:1.2 0.00006478845 0.1824 AML other m 2019-12-12T05:37:34.11
IV.TERO.HHE. ML:0.7 0.000021849454000000002 0.3008 AML other m 2019-12-12T05:37:35.21
IV.TERO.HHN. ML:0.7 0.000022441125 0.08 AML other m 2019-12-12T05:37:35.54
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