Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 01-12-2019 and time 03:12:26 (Italy) in region 8 km NW Arquata del Tronto (AP)

A magnitude ML 1.2 earthquake occured in region: 8 km NW Arquata del Tronto (AP), on

  • 01-12-2019 02:12:26 (UTC)
  • 01-12-2019 03:12:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8170, 13.2240 at 11 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
Arquata del Tronto AP 8 1178 1178
Montegallo AP 9 523 1701
Castelsantangelo sul Nera MC 10 281 1982
Norcia PG 11 4957 6939
Montemonaco AP 13 604 7543
Accumoli RI 14 667 8210
Ussita MC 16 444 8654
Acquasanta Terme AP 16 2916 11570
Preci PG 17 724 12294
Visso MC 17 1107 13401
Montefortino FM 17 1178 14579
Bolognola MC 20 142 14721

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
45 Km E of Foligno (57155 inhabitants)
54 Km N of L'Aquila (69753 inhabitants)
55 Km NE 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)
92 Km S of Ancona (100861 inhabitants)
93 Km NW of Chieti (51815 inhabitants)
100 Km NE of Guidonia Montecelio (88673 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 1.2 2019-12-01
02:12:26		 42.8173 13.2238 11 2019-12-01
02:20:10		 Sala Sismica INGV-Roma 74204421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-01 02:12:26 ± 0.07
Latitude 42.8173 ± 0.0027
Longitude 13.2238 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 74204421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 314
Semi-minor axis of confidence ellipse (meter) 293
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 92
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.08184
Epicentral distance of station farthest from the epicenter (degree) 0.51981
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 74204421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-01 02:20:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2019-12-01T02:12:44.87 0.1 undecidable manual S 350 57.6978 50 0.37 86
IV.ASSB.HHZ. 2019-12-01T02:12:43.28 0.6 undecidable manual S 299 52.3032 50 0.22 45
IV.TERO.HHZ. 2019-12-01T02:12:39.24 0.6 undecidable manual S 125 37.7289 50 0.05 48
IV.RM33.EHZ. 2019-12-01T02:12:38.40 0.6 undecidable manual S 181 34.2435 50 0.16 47
IV.GAVE.EHZ. 2019-12-01T02:12:37.42 0.6 undecidable manual S 243 30.2475 50 0.24 46
IV.EL6.EHZ. 2019-12-01T02:12:37.47 1.0 undecidable manual P 350 57.6978 50 0.53 21
IV.GUMA.HHZ. 2019-12-01T02:12:37.05 0.6 undecidable manual S 18 28.6491 50 0.28 46
IV.CESI.HHZ. 2019-12-01T02:12:37.86 0.6 undecidable manual S 309 33.2445 50 -0.13 47
IV.LNSS.HHZ. 2019-12-01T02:12:37.18 0.6 undecidable manual S 212 28.1496 50 0.57 43
IV.MF5.EHZ. 2019-12-01T02:12:36.80 0.6 undecidable manual S 45 26.9508 50 0.5 44
IV.CSP1.EHZ. 2019-12-01T02:12:36.89 0.6 undecidable manual S 357 30.4473 50 -0.36 45
IV.GIGS.HHZ. 2019-12-01T02:12:35.40 1.0 negative manual P 145 49.4172 50 -0.27 22
IV.SMA1.EHZ. 2019-12-01T02:12:35.05 0.6 undecidable manual S 156 22.6551 50 -0.1 48
IV.ARRO.EHZ. 2019-12-01T02:12:35.25 1.0 positive manual P 235 45.7209 50 0.15 23
IV.FDMO.HHZ. 2019-12-01T02:12:35.71 0.6 undecidable manual S 336 26.751 50 -0.53 44
IV.ASSB.HHZ. 2019-12-01T02:12:35.75 3.0 undecidable manual P 299 52.3032 50 -0.36 0
IV.MNTT.EHZ. 2019-12-01T02:12:34.54 0.1 undecidable manual P 48 40.626 50 0.23 91
IV.OFFI.HHZ. 2019-12-01T02:12:34.63 1.0 negative manual P 71 39.7269 50 0.45 22
IV.TERO.HHZ. 2019-12-01T02:12:33.58 1.0 undecidable manual P 125 37.7289 50 -0.29 23
IV.MTRA.HNZ. 2019-12-01T02:12:33.04 0.6 undecidable manual S 116 15.5733 125 -0.16 49
IV.RM33.EHZ. 2019-12-01T02:12:33.11 0.1 undecidable manual P 181 34.2435 50 -0.22 93
IV.LNSS.HHZ. 2019-12-01T02:12:32.33 0.1 undecidable manual P 212 28.1496 50 -0.05 97
IV.MF5.EHZ. 2019-12-01T02:12:32.16 0.6 undecidable manual P 45 26.9508 50 -0.04 49
IV.GAVE.EHZ. 2019-12-01T02:12:32.65 0.3 undecidable manual P 243 30.2475 50 -0.06 72
IV.GUMA.HHZ. 2019-12-01T02:12:32.37 0.1 positive manual P 18 28.6491 50 -0.1 96
IV.CESI.HHZ. 2019-12-01T02:12:32.87 0.1 undecidable manual P 309 33.2445 50 -0.31 91
IV.CSP1.EHZ. 2019-12-01T02:12:32.37 0.6 positive manual P 357 30.4473 50 -0.38 45
IV.NRCA.HNZ. 2019-12-01T02:12:31.76 0.6 undecidable manual S 281 9.0798 140 0.24 48
IV.FDMO.HHZ. 2019-12-01T02:12:31.74 0.3 negative manual P 336 26.751 50 -0.43 67
IV.SMA1.EHZ. 2019-12-01T02:12:31.38 0.3 positive manual P 156 22.6551 50 -0.16 72
IV.MTRA.HNZ. 2019-12-01T02:12:30.42 0.1 undecidable manual P 116 15.5733 125 0.01 100
IV.NRCA.HNZ. 2019-12-01T02:12:29.61 0.1 negative manual P 281 9.0798 140 0.17 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:1.0 0.00008879935 0.2992 AML other m 2019-12-01T02:12:36.31
IV.MTRA.EHN. ML:0.9 0.000069438545 0.16 AML other m 2019-12-01T02:12:33.75
IV.MTRA.HNE. ML:1.1 0.000110019735 0.3104 AML other m 2019-12-01T02:12:36.16
IV.MTRA.HNN. ML:1.0 0.00008004767000000001 0.4496 AML other m 2019-12-01T02:12:31.50
IV.SMA1.EHE. ML:1.0 0.00006979083 0.1408 AML other m 2019-12-01T02:12:35.27
IV.SMA1.EHN. ML:0.9 0.0000519263385 0.1392 AML other m 2019-12-01T02:12:35.85
IV.FDMO.HHE. ML:1.1 0.000063276955 0.2 AML other m 2019-12-01T02:12:36.12
IV.FDMO.HHN. ML:1.3 0.0001131006 0.16 AML other m 2019-12-01T02:12:35.99
IV.MF5.EHE. ML:1.1 0.00006947647500000001 1.6608 AML other m 2019-12-01T02:12:47.28
IV.MF5.EHN. ML:1.1 0.00006471986000000001 0.7792 AML other m 2019-12-01T02:12:44.04
IV.LNSS.HHE. ML:0.9 0.00004663681 0.1392 AML other m 2019-12-01T02:12:39.34
IV.LNSS.HHN. ML:1.1 0.000061575815 0.1184 AML other m 2019-12-01T02:12:38.48
IV.LNSS.HNE. ML:1.4 0.00013314149999999999 0.5904 AML other m 2019-12-01T02:12:34.74
IV.LNSS.HNN. ML:1.5 0.0001741435 0.7904 AML other m 2019-12-01T02:12:36.17
IV.CSP1.EHE. ML:1.3 0.000093504215 0.1008 AML other m 2019-12-01T02:12:37.33
IV.CSP1.EHN. ML:1.4 0.00010297844999999999 0.2 AML other m 2019-12-01T02:12:36.00
IV.GAVE.EHE. ML:1.4 0.0001048877 0.1392 AML other m 2019-12-01T02:12:38.25
IV.GAVE.EHN. ML:1.3 0.0000939769 0.32 AML other m 2019-12-01T02:12:40.53
IV.GAVE.HNE. ML:1.4 0.00013196585 0.8704 AML other m 2019-12-01T02:12:43.18
IV.GAVE.HNN. ML:1.6 0.00020840615 0.7504 AML other m 2019-12-01T02:12:32.55
IV.CESI.HHE. ML:1.1 0.000051589615 0.0992 AML other m 2019-12-01T02:12:38.44
IV.CESI.HHN. ML:1.2 0.0000605614 0.16 AML other m 2019-12-01T02:12:38.81
IV.CESI.HNE. ML:1.5 0.0001282919 0.6608 AML other m 2019-12-01T02:12:41.68
IV.CESI.HNN. ML:1.6 0.000173983775 0.5792 AML other m 2019-12-01T02:12:36.16
IV.RM33.HNE. ML:1.6 0.000163531845 0.56 AML other m 2019-12-01T02:12:33.42
IV.RM33.HNN. ML:1.4 0.000114813755 0.5392 AML other m 2019-12-01T02:12:37.25
IV.RM33.EHE. ML:1.2 0.00006287508 0.1392 AML other m 2019-12-01T02:12:39.44
IV.RM33.EHN. ML:1.0 0.000046636490000000006 0.12 AML other m 2019-12-01T02:12:39.24
IV.TERO.HHE. ML:0.9 0.00003005958 0.08 AML other m 2019-12-01T02:12:39.48
IV.TERO.HHN. ML:1.0 0.0000379243 0.1008 AML other m 2019-12-01T02:12:39.99
IV.MNTT.EHE. ML:1.6 0.0001398878 0.6 AML other m 2019-12-01T02:12:43.03
IV.MNTT.EHN. ML:1.5 0.000116812215 0.96 AML other m 2019-12-01T02:12:38.01
IV.OFFI.HHE. ML:1.6 0.0001234683 1.1216 AML other m 2019-12-01T02:12:37.94
IV.OFFI.HHN. ML:1.8 0.00022694684999999997 0.8992 AML other m 2019-12-01T02:12:49.23
IV.ARRO.EHE. ML:0.7 0.000016342328 0.1808 AML other m 2019-12-01T02:12:42.77
IV.ARRO.EHN. ML:0.8 0.000019053565 0.2384 AML other m 2019-12-01T02:12:44.90
IV.EL6.EHE. ML:1.2 0.000034921672 1.0992 AML other m 2019-12-01T02:13:03.38
IV.EL6.EHN. ML:1.2 0.000036533555 1.24 AML other m 2019-12-01T02:13:03.06
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