Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 10-11-2019 and time 20:40:54 (Italy) in region 3 km W Arquata del Tronto (AP)

A magnitude ML 1.1 earthquake occured in region: 3 km W Arquata del Tronto (AP), on

  • 10-11-2019 19:40:54 (UTC)
  • 10-11-2019 20:40:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7680, 13.2600 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 3 1178 1178
Accumoli RI 8 667 1845
Montegallo AP 10 523 2368
Acquasanta Terme AP 12 2916 5284
Norcia PG 14 4957 10241
Amatrice RI 16 2657 12898
Montemonaco AP 16 604 13502
Castelsantangelo sul Nera MC 17 281 13783
Cittareale RI 19 482 14265
Valle Castellana TE 20 977 15242

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of Teramo (54892 inhabitants)
48 Km N of L'Aquila (69753 inhabitants)
50 Km E of Foligno (57155 inhabitants)
55 Km E of Terni (111501 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
80 Km E of Perugia (166134 inhabitants)
85 Km W of Pescara (121014 inhabitants)
88 Km NW of Chieti (51815 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km S of Ancona (100861 inhabitants)
97 Km NE of Tivoli (56533 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 1.1 2019-11-10
19:40:54		 42.7677 13.2598 10 2020-02-28
16:42:27		 Bollettino Sismico Italiano INGV 76672641
Reviewed
Rev100 		ML 1.1 2019-11-10
19:40:54		 42.7638 13.2598 10 2019-11-10
19:44:51		 Sala Sismica INGV-Roma 73775201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-10 19:40:54 ± 0.08
Latitude 42.7677 ± 0.0036
Longitude 13.2598 ± 0.0098
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 76672641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 777
Semi-minor axis of confidence ellipse (meter) 274
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.12501
Epicentral distance of station farthest from the epicenter (degree) 0.29138
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 73775201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-10 19:44:51

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 76672641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-20 13:43:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2019-11-10T19:41:05.30 0.6 undecidable manual S 120 32.3454 50 -0.55 43
IV.MF5.EHZ. 2019-11-10T19:41:05.81 0.6 undecidable manual S 34 29.3484 50 0.76 40
IV.RM33.EHZ. 2019-11-10T19:41:04.95 0.6 undecidable manual S 187 28.9488 50 0.01 49
IV.MC2.EHZ. 2019-11-10T19:41:01.40 0.6 undecidable manual S 340 16.9719 121 -0.09 49
IV.SMA1.EHZ. 2019-11-10T19:41:01.29 0.6 undecidable manual S 158 16.3725 122 -0.03 50
IV.T1299.EHZ. 2019-11-10T19:41:01.26 0.6 undecidable manual S 173 14.874 125 0.37 47
IV.NRCA.HHZ. 2019-11-10T19:41:00.33 0.6 undecidable manual S 302 13.875 127 -0.28 48
IV.MF5.EHZ. 2019-11-10T19:41:00.70 0.1 undecidable manual P 34 29.3484 50 0.07 97
IV.MMO1.EHZ. 2019-11-10T19:41:00.84 0.6 undecidable manual S 20 15.5733 123 -0.24 48
IV.RM33.EHZ. 2019-11-10T19:41:00.45 0.3 undecidable manual P 187 28.9488 50 -0.11 72
IV.TERO.HHZ. 2019-11-10T19:41:00.90 0.3 undecidable manual P 120 32.3454 50 -0.19 70
IV.MC2.EHZ. 2019-11-10T19:40:58.95 0.3 undecidable manual P 340 16.9719 121 0.38 70
IV.SMA1.EHZ. 2019-11-10T19:40:58.50 0.1 undecidable manual P 158 16.3725 122 0.02 100
IV.T1299.EHZ. 2019-11-10T19:40:58.41 0.1 undecidable manual P 173 14.874 125 0.18 97
IV.MMO1.EHZ. 2019-11-10T19:40:58.19 0.1 negative manual P 20 15.5733 123 -0.15 98
IV.NRCA.HHZ. 2019-11-10T19:40:57.98 0.1 undecidable manual P 302 13.875 127 -0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.2 0.0001677051 0.1408 AML other m 2019-11-10T19:41:00.47
IV.NRCA.HNN. ML:1.3 0.00018328344999999998 0.1152 AML other m 2019-11-10T19:41:00.47
IV.SMA1.EHN. ML:0.2 0.000016353555 0.7808 AML other m 2019-11-10T19:41:00.45
IV.NRCA.HNE. ML:1.2 0.00018016550000000002 0.0768 AML other m 2019-11-10T19:41:00.51
IV.NRCA.HHE. ML:1.3 0.00019311555 0.0768 AML other m 2019-11-10T19:41:00.55
IV.TERO.HNE. ML:1.1 0.000059692305 1.3728 AML other m 2019-11-10T19:41:03.92
IV.RM33.EHE. ML:0.7 0.000025141035 0.7808 AML other m 2019-11-10T19:41:04.93
IV.RM33.EHN. ML:0.5 0.000016469060000000002 1.8592 AML other m 2019-11-10T19:41:06.02
IV.RM33.HNN. ML:1.8 0.00031760085000000004 0.7968 AML other m 2019-11-10T19:41:06.30
IV.SMA1.EHE. ML:0.4 0.000020402314599999997 0.5888 AML other m 2019-11-10T19:41:08.31
IV.RM33.HNE. ML:1.6 0.00017858115 0.784 AML other m 2019-11-10T19:41:12.34
IV.TERO.HHE. ML:0.7 0.00001858708 0.9216 AML other m 2019-11-10T19:41:13.47
IV.MF5.EHN. ML:1.2 0.00007059328000000001 1.6448 AML other m 2019-11-10T19:41:13.10
IV.MF5.EHE. ML:1.1 0.00006246526 0.3424 AML other m 2019-11-10T19:41:15.13
IV.TERO.HHN. ML:0.8 0.000025806879999999997 1.2928 AML other m 2019-11-10T19:41:15.90
IV.TERO.HNN. ML:1.3 0.000087869605 0.6688 AML other m 2019-11-10T19:41:16.52
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