Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 11-11-2019 and time 10:46:38 (Italy) in region 6 km W Montegallo (AP)

A magnitude ML 1.8 earthquake occured in region: 6 km W Montegallo (AP), on

  • 11-11-2019 09:46:38 (UTC)
  • 11-11-2019 10:46:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8340, 13.2570 at 15 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
Montegallo AP 6 523 523
Arquata del Tronto AP 8 1178 1701
Montemonaco AP 9 604 2305
Castelsantangelo sul Nera MC 11 281 2586
Montefortino FM 14 1178 3764
Norcia PG 14 4957 8721
Acquasanta Terme AP 14 2916 11637
Accumoli RI 15 667 12304
Ussita MC 16 444 12748
Visso MC 17 1107 13855
Bolognola MC 18 142 13997
Palmiano AP 18 196 14193
Roccafluvione AP 18 2010 16203
Amandola FM 18 3629 19832
Preci PG 18 724 20556
Comunanza AP 19 3166 23722

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Teramo (54892 inhabitants)
47 Km E of Foligno (57155 inhabitants)
55 Km N of L'Aquila (69753 inhabitants)
58 Km NE of Terni (111501 inhabitants)
77 Km E of Perugia (166134 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
88 Km W of Pescara (121014 inhabitants)
90 Km S of Ancona (100861 inhabitants)
92 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
Bulletin
Rev1000 		ML 1.8 2019-11-11
09:46:38		 42.8342 13.257 15 2020-02-28
16:42:05		 Bollettino Sismico Italiano INGV 73858671
Reviewed
Rev100 		ML 1.8 2019-11-11
09:46:39		 42.8307 13.2413 15 2019-11-11
09:55:12		 Sala Sismica INGV-Roma 73781201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-11 09:46:38 ± 0.07
Latitude 42.8342 ± 0.0027
Longitude 13.2570 ± 0.0049
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73858671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 450
Semi-minor axis of confidence ellipse (meter) 40
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.08274
Epicentral distance of station farthest from the epicenter (degree) 0.50812
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 73781201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-11 09:55:12

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 31
Type of magnitude ML
Reference to an origin 73858671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-05 16:17:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2019-11-11T09:46:57.00 0.1 undecidable manual S 347 56.3991 95 0.47 85
IV.GIGS.HHZ. 2019-11-11T09:46:54.60 0.6 undecidable manual S 149 49.5171 96 -0.11 47
IV.RM33.EHZ. 2019-11-11T09:46:51.70 0.6 undecidable manual S 185 36.2415 99 0.5 44
IV.CAMP.HHZ. 2019-11-11T09:46:51.00 0.1 undecidable manual S 159 35.3424 100 0.04 98
IV.TERO.HHZ. 2019-11-11T09:46:51.00 0.6 undecidable manual S 130 36.741 99 -0.33 45
IV.CESI.HHZ. 2019-11-11T09:46:50.90 0.1 undecidable manual S 304 34.3434 100 0.2 93
IV.SAP2.EHZ. 2019-11-11T09:46:50.30 0.6 undecidable manual S 22 31.3464 101 0.39 46
IV.CSP1.EHZ. 2019-11-11T09:46:49.00 0.1 undecidable manual S 352 28.8489 103 -0.28 94
IV.GUMA.HHZ. 2019-11-11T09:46:48.90 0.1 undecidable manual S 14 26.1516 105 0.34 93
IT.MTCL.HGZ. 2019-11-11T09:46:48.72 0.3 undecidable manual S 310 27.4503 104 -0.17 73
IV.FDMO.HHZ. 2019-11-11T09:46:48.20 0.1 undecidable manual S 329 26.3514 105 -0.41 92
IV.T1299.HNN. 2019-11-11T09:46:48.16 0.6 undecidable manual S 175 22.2555 110 0.58 44
IV.MF5.EHZ. 2019-11-11T09:46:48.10 0.1 undecidable manual S 44 23.6541 108 0.16 97
IV.EL6.EHZ. 2019-11-11T09:46:48.80 0.1 positive manual P 347 56.3991 95 -0.32 89
IV.SMA1.EHZ. 2019-11-11T09:46:47.60 0.1 undecidable manual S 164 23.4543 108 -0.28 94
IV.GIGS.HHZ. 2019-11-11T09:46:47.52 0.1 undecidable manual P 149 49.5171 96 -0.55 84
IV.FEMA.HNE. 2019-11-11T09:46:47.62 0.6 undecidable manual S 310 22.0668 110 0.11 49
IV.RM33.EHZ. 2019-11-11T09:46:46.08 0.1 positive manual P 185 36.2415 99 0.04 97
IV.OFFI.HHZ. 2019-11-11T09:46:46.83 0.1 undecidable manual P 72 36.6411 99 0.73 81
IV.MNTT.EHZ. 2019-11-11T09:46:46.54 0.1 positive manual P 47 37.3293 99 0.33 91
IV.TERO.HHZ. 2019-11-11T09:46:46.23 0.1 undecidable manual P 130 36.741 99 0.12 96
IV.CAMP.HHZ. 2019-11-11T09:46:45.74 0.1 positive manual P 159 35.3424 100 -0.16 95
IV.MC2.EHZ. 2019-11-11T09:46:45.10 0.1 undecidable manual S 327 10.1787 138 0.25 97
IV.SAP2.EHZ. 2019-11-11T09:46:45.12 0.1 undecidable manual P 22 31.3464 101 -0.17 95
IV.NRCA.HHZ. 2019-11-11T09:46:45.20 0.1 undecidable manual S 270 11.5773 133 0.08 100
IV.CESI.HHZ. 2019-11-11T09:46:45.67 0.1 positive manual P 304 34.3434 100 -0.08 97
IV.T1299.HNN. 2019-11-11T09:46:44.18 0.1 undecidable manual P 175 22.2555 110 0.23 96
IV.MF5.EHZ. 2019-11-11T09:46:44.19 0.1 positive manual P 44 23.6541 108 0.04 100
IV.GUMA.HHZ. 2019-11-11T09:46:44.47 0.1 positive manual P 14 26.1516 105 -0.05 99
IV.SMA1.EHZ. 2019-11-11T09:46:44.17 0.1 positive manual P 164 23.4543 108 0.05 99
IT.MTCL.HGZ. 2019-11-11T09:46:44.54 0.1 undecidable manual P 310 27.4503 104 -0.17 97
IV.CSP1.EHZ. 2019-11-11T09:46:44.65 0.1 positive manual P 352 28.8489 103 -0.28 94
IV.FDMO.HHZ. 2019-11-11T09:46:44.28 0.1 positive manual P 329 26.3514 105 -0.26 95
IV.MMO1.EHZ. 2019-11-11T09:46:44.28 0.1 undecidable manual S 38 9.1797 141 -0.4 94
IV.FEMA.HNE. 2019-11-11T09:46:43.80 0.3 undecidable manual P 310 22.0668 110 -0.11 74
IV.MMO1.EHZ. 2019-11-11T09:46:42.08 0.1 negative manual P 38 9.1797 141 -0.2 98
IV.MC2.EHZ. 2019-11-11T09:46:42.52 0.1 positive manual P 327 10.1787 138 0.14 99
IV.NRCA.HHZ. 2019-11-11T09:46:42.66 0.1 negative manual P 270 11.5773 133 0.13 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.9 0.0007145 0.16 AML other m 2019-11-11T09:46:45.52
IV.NRCA.HHN. ML:2.0 0.0008495 0.16 AML other m 2019-11-11T09:46:45.52
IV.NRCA.HNE. ML:2.0 0.0008694999999999999 0.3 AML other m 2019-11-11T09:46:45.67
IV.NRCA.HHE. ML:2.0 0.0008845000000000001 0.3 AML other m 2019-11-11T09:46:45.67
IV.SMA1.EHN. ML:2.1 0.0007965 0.18 AML other m 2019-11-11T09:46:48.24
IV.MF5.EHE. ML:1.7 0.00028799999999999995 0.24 AML other m 2019-11-11T09:46:48.38
IV.MF5.EHN. ML:2.0 0.0005555 0.42 AML other m 2019-11-11T09:46:48.46
IV.SMA1.EHE. ML:1.9 0.000474 0.68 AML other m 2019-11-11T09:46:48.67
IV.GUMA.HHE. ML:1.9 0.00037276219999999997 0.2816 AML other m 2019-11-11T09:46:49.05
IV.CSP1.EHE. ML:1.4 0.0001225 0.38 AML other m 2019-11-11T09:46:49.43
IV.CSP1.EHN. ML:1.5 0.00014850000000000003 1.02 AML other m 2019-11-11T09:46:49.48
IV.SAP2.EHN. ML:2.3 0.000921 0.14 AML other m 2019-11-11T09:46:50.37
IV.SAP2.EHE. ML:1.6 0.0001715 0.14 AML other m 2019-11-11T09:46:50.39
IV.GUMA.HHN. ML:1.8 0.0003552827 0.7168 AML other m 2019-11-11T09:46:51.54
IV.CESI.HHE. ML:1.4 0.00010545204499999999 0.2368 AML other m 2019-11-11T09:46:51.32
IV.CESI.HHN. ML:1.7 0.000185 0.64 AML other m 2019-11-11T09:46:51.47
IV.GUMA.HNE. ML:1.8 0.00033951684999999996 0.4928 AML other m 2019-11-11T09:46:51.43
IV.CAMP.HHN. ML:1.6 0.00013700000000000002 0.52 AML other m 2019-11-11T09:46:51.71
IV.TERO.HHN. ML:1.7 0.00019700000000000002 0.86 AML other m 2019-11-11T09:46:51.55
IV.RM33.HNE. ML:1.7 0.00018637855 0.5248 AML other m 2019-11-11T09:46:52.26
IV.RM33.EHN. ML:1.7 0.00018563635 0.2624 AML other m 2019-11-11T09:46:52.10
IV.TERO.HHE. ML:1.7 0.0001965 0.14 AML other m 2019-11-11T09:46:52.20
IV.RM33.HNN. ML:1.7 0.000189225 0.2816 AML other m 2019-11-11T09:46:52.34
IV.RM33.EHE. ML:1.6 0.00015000000000000001 0.46 AML other m 2019-11-11T09:46:52.40
IV.CAMP.HHE. ML:1.4 0.000107 0.32 AML other m 2019-11-11T09:46:52.48
IV.MNTT.EHE. ML:2.1 0.0004235 0.44 AML other m 2019-11-11T09:46:53.72
IV.MNTT.EHN. ML:2.1 0.00041999999999999996 0.18 AML other m 2019-11-11T09:46:53.76
IV.TERO.HNE. ML:1.2 0.00006016486 1.7472 AML other m 2019-11-11T09:47:00.06
IV.OFFI.HHE. ML:1.8 0.00021065485 1.6 AML other m 2019-11-11T09:47:00.32
IV.TERO.HNN. ML:1.4 0.000100067635 1.216 AML other m 2019-11-11T09:47:03.08
IV.OFFI.HHN. ML:1.7 0.00018628865 1.0432 AML other m 2019-11-11T09:47:05.59
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