Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 11-01-2019 and time 18:13:20 (Italy) in region 7 km W Arquata del Tronto (AP)

A magnitude ML 1.7 earthquake occured in region: 7 km W Arquata del Tronto (AP), on

  • 11-01-2019 17:13:20 (UTC)
  • 11-01-2019 18:13:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7700, 13.2070 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
Arquata del Tronto AP 7 1178 1178
Accumoli RI 9 667 1845
Norcia PG 10 4957 6802
Montegallo AP 13 523 7325
Castelsantangelo sul Nera MC 15 281 7606
Acquasanta Terme AP 17 2916 10522
Cascia PG 17 3217 13739
Amatrice RI 17 2657 16396
Cittareale RI 17 482 16878
Montemonaco AP 18 604 17482
Preci PG 18 724 18206

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
49 Km NW of L'Aquila (69753 inhabitants)
51 Km E of Terni (111501 inhabitants)
76 Km E of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
92 Km NW of Chieti (51815 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km NE of Tivoli (56533 inhabitants)
98 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 1.7 2019-01-11
17:13:20		 42.7702 13.2068 10 2019-08-22
08:25:02		 Bollettino Sismico Italiano INGV 69468961
Reviewed
Rev100 		ML 1.7 2019-01-11
17:13:20		 42.7712 13.2193 10 2019-01-11
17:23:56		 Sala Sismica INGV-Roma 64628751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-01-11 17:13:20 ± 0.08
Latitude 42.7702 ± 0.0036
Longitude 13.2068 ± 0.0074
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 69468961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 534
Semi-minor axis of confidence ellipse (meter) 321
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.09263
Epicentral distance of station farthest from the epicenter (degree) 0.38761
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 69468961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-13 16:16:39

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 17
Type of magnitude ML
Reference to an origin 64628751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-01-11 17:23:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OFFI.HHZ. 2019-01-11T17:13:36.40 0.3 undecidable manual S 65 43.0236 50 1.74 35
IV.CESI.HHZ. 2019-01-11T17:13:32.50 0.3 undecidable manual S 317 35.8419 50 -0.23 70
IV.GUMA.HHZ. 2019-01-11T17:13:32.30 0.3 undecidable manual S 18 34.0437 50 0.03 73
IV.MF5.EHZ. 2019-01-11T17:13:31.80 0.6 undecidable manual S 40 31.746 50 0.16 48
IV.GAVE.EHZ. 2019-01-11T17:13:30.50 0.3 undecidable manual S 251 26.8509 110 0.15 73
IV.RM33.EHZ. 2019-01-11T17:13:30.80 0.3 undecidable manual S 179 28.9488 50 -0.12 73
IV.LNSS.HHZ. 2019-01-11T17:13:29.30 0.3 undecidable manual S 216 22.9548 113 0.21 72
IV.OFFI.HHZ. 2019-01-11T17:13:28.96 0.1 undecidable manual P 65 43.0236 50 0.32 91
IV.GUMA.HHZ. 2019-01-11T17:13:27.05 0.1 undecidable manual P 18 34.0437 50 -0.22 94
IV.CESI.HHZ. 2019-01-11T17:13:27.26 0.1 undecidable manual P 317 35.8419 50 -0.27 93
IV.SMA1.EHZ. 2019-01-11T17:13:27.60 0.3 undecidable manual S 146 18.6702 117 -0.14 74
IV.RM33.EHZ. 2019-01-11T17:13:26.24 0.1 undecidable manual P 179 28.9488 50 -0.24 95
IV.MC2.EHZ. 2019-01-11T17:13:26.90 0.3 undecidable manual S 355 15.7731 122 0.06 75
IV.MMO1.EHZ. 2019-01-11T17:13:26.80 0.3 undecidable manual S 34 17.3715 119 -0.52 68
IV.MF5.EHZ. 2019-01-11T17:13:26.68 0.1 undecidable manual P 40 31.746 50 -0.22 95
IV.GAVE.EHZ. 2019-01-11T17:13:26.13 0.3 undecidable manual P 251 26.8509 110 -0.02 74
IV.LNSS.HHZ. 2019-01-11T17:13:25.47 0.1 undecidable manual P 216 22.9548 113 0.04 100
IV.NRCA.HNZ. 2019-01-11T17:13:25.50 0.1 undecidable manual S 313 10.2786 133 0.16 99
IV.MMO1.EHZ. 2019-01-11T17:13:24.17 0.1 undecidable manual P 34 17.3715 119 -0.23 97
IV.SMA1.EHZ. 2019-01-11T17:13:24.59 0.1 undecidable manual P 146 18.6702 117 -0.06 100
IV.MC2.EHZ. 2019-01-11T17:13:24.30 0.1 undecidable manual P 355 15.7731 122 0.17 98
IV.NRCA.HNZ. 2019-01-11T17:13:23.47 0.1 undecidable manual P 313 10.2786 133 0.21 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:0.0 0.0010968115 0.1152 AML other m 2019-01-11T17:13:25.70
IV.NRCA.HNN. ML:0.0 0.0009056357499999999 0.1664 AML other m 2019-01-11T17:13:25.66
IV.NRCA.HHE. ML:0.0 0.0011001425 0.1152 AML other m 2019-01-11T17:13:25.70
IV.NRCA.HHN. ML:0.0 0.00100154525 0.1792 AML other m 2019-01-11T17:13:25.65
IV.SMA1.EHE. ML:0.0 0.00013906754999999999 0.2688 AML other m 2019-01-11T17:13:27.87
IV.SMA1.EHN. ML:0.0 0.00007838888999999999 0.1024 AML other m 2019-01-11T17:13:28.36
IV.LNSS.HNN. ML:0.0 0.00020345940000000002 0.1792 AML other m 2019-01-11T17:13:29.98
IV.LNSS.HNE. ML:0.0 0.00020375910000000003 0.1152 AML other m 2019-01-11T17:13:29.91
IV.LNSS.HHE. ML:0.0 0.00022893979999999997 0.1152 AML other m 2019-01-11T17:13:29.85
IV.LNSS.HHN. ML:0.0 0.00019104235 0.1536 AML other m 2019-01-11T17:13:29.98
IV.GAVE.EHN. ML:0.0 0.00028006964999999993 0.1792 AML other m 2019-01-11T17:13:31.02
IV.GAVE.EHE. ML:0.0 0.00022375595000000001 0.1792 AML other m 2019-01-11T17:13:30.59
IV.GAVE.HNN. ML:0.0 0.00020795059999999997 0.8576 AML other m 2019-01-11T17:13:27.53
IV.GAVE.HNE. ML:0.0 0.00022502855 0.192 AML other m 2019-01-11T17:13:30.50
IV.RM33.EHN. ML:0.0 0.00008553214 0.2688 AML other m 2019-01-11T17:13:31.03
IV.RM33.HNE. ML:0.0 0.00017888814999999998 0.8064 AML other m 2019-01-11T17:13:28.57
IV.RM33.HNN. ML:0.0 0.00018817928 0.5248 AML other m 2019-01-11T17:13:33.63
IV.RM33.EHE. ML:0.0 0.00007954136500000001 0.1408 AML other m 2019-01-11T17:13:31.42
IV.MF5.EHE. ML:0.0 0.00016113885 1.7408 AML other m 2019-01-11T17:13:41.75
IV.MF5.EHN. ML:0.0 0.000136112965 1.0368 AML other m 2019-01-11T17:13:36.20
IV.GUMA.HHN. ML:0.0 0.00041531010000000004 0.2688 AML other m 2019-01-11T17:13:33.31
IV.GUMA.HNE. ML:0.0 0.00051839425 0.32 AML other m 2019-01-11T17:13:32.77
IV.GUMA.HHE. ML:0.0 0.00045413750000000003 0.2816 AML other m 2019-01-11T17:13:32.60
IV.GUMA.HNN. ML:0.0 0.00065712415 1.3184 AML other m 2019-01-11T17:13:36.58
IV.CESI.HHN. ML:0.0 0.000129317385 0.24 AML other m 2019-01-11T17:13:32.72
IV.CESI.HHE. ML:0.0 0.000091404225 0.2048 AML other m 2019-01-11T17:13:32.70
IV.VIVA.HHN. ML:0.0 0.0005477425999999999 0.2688 AML other m 2019-01-11T17:13:54.80
IV.VIVA.HHE. ML:0.0 0.0006696573 0.256 AML other m 2019-01-11T17:13:54.88
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 not available