Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 28-10-2019 and time 13:27:11 (Italy) in region 1 km E Montegallo (AP)

A magnitude ML 1.0 earthquake occured in region: 1 km E Montegallo (AP), on

  • 28-10-2019 12:27:11 (UTC)
  • 28-10-2019 13:27:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8410, 13.3490 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
Montegallo AP 1 523 523
Montemonaco AP 7 604 1127
Arquata del Tronto AP 9 1178 2305
Acquasanta Terme AP 9 2916 5221
Roccafluvione AP 11 2010 7231
Palmiano AP 11 196 7427
Montefortino FM 11 1178 8605
Venarotta AP 13 2066 10671
Comunanza AP 14 3166 13837
Amandola FM 16 3629 17466
Valle Castellana TE 17 977 18443
Castelsantangelo sul Nera MC 17 281 18724
Force AP 18 1354 20078
Accumoli RI 18 667 20745
Ascoli Piceno AP 19 49407 70152
Montefalcone Appennino FM 19 424 70576
Bolognola MC 20 142 70718
Smerillo FM 20 365 71083

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Teramo (54892 inhabitants)
54 Km E of Foligno (57155 inhabitants)
55 Km N of L'Aquila (69753 inhabitants)
65 Km E of Terni (111501 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
82 Km NW of Pescara (121014 inhabitants)
84 Km E of Perugia (166134 inhabitants)
86 Km NW of Chieti (51815 inhabitants)
88 Km S of Ancona (100861 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 2019-10-28
12:27:11		 42.841 13.3488 11 2019-10-28
12:31:44		 Sala Sismica INGV-Roma 73492491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-28 12:27:11 ± 0.05
Latitude 42.8410 ± 0.0018
Longitude 13.3488 ± 0.0037
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 73492491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 350
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 244
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34624
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 73492491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-28 12:31:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2019-10-28T12:27:30.23 3.0 undecidable manual S -0.3 0
IV.TERO.HHZ. 2019-10-28T12:27:22.43 0.3 undecidable manual S 139 31.9458 90 -0.11 72
IV.FDMO.HHZ. 2019-10-28T12:27:21.92 0.3 undecidable manual S 316 30.3474 90 -0.21 68
IV.CSP1.EHZ. 2019-10-28T12:27:21.95 0.1 undecidable manual S 337 30.1476 90 -0.13 93
IV.NRCA.HHZ. 2019-10-28T12:27:19.16 0.1 undecidable manual S 268 19.0698 90 0.04 98
IV.MC2.EHZ. 2019-10-28T12:27:18.25 0.1 undecidable manual S 301 15.1737 90 0.17 96
IV.RM33.EHZ. 2019-10-28T12:27:18.99 0.1 undecidable manual P 197 38.4282 90 0.08 92
IV.FDMO.HHZ. 2019-10-28T12:27:17.45 0.1 undecidable manual P 316 30.3474 90 -0.22 92
IV.CSP1.EHZ. 2019-10-28T12:27:17.50 0.1 undecidable manual P 337 30.1476 90 -0.14 93
IV.TERO.HHZ. 2019-10-28T12:27:17.94 0.3 undecidable manual P 139 31.9458 90 0.04 70
IV.MTRA.EHZ. 2019-10-28T12:27:16.81 0.3 undecidable manual S 157 10.0788 119 0.03 73
IV.MF5.EHZ. 2019-10-28T12:27:16.07 0.1 undecidable manual P 29 18.5703 90 0.21 93
IV.MMO1.EHZ. 2019-10-28T12:27:15.86 0.1 undecidable manual S 345 6.6933 138 -0.21 96
IV.NRCA.HHZ. 2019-10-28T12:27:15.92 0.1 undecidable manual P 268 19.0698 90 -0.01 98
IV.MC2.EHZ. 2019-10-28T12:27:15.46 0.1 undecidable manual P 301 15.1737 90 0.14 96
IV.MMO1.EHZ. 2019-10-28T12:27:14.16 0.1 undecidable manual P 345 6.6933 138 -0.01 100
IV.MTRA.EHZ. 2019-10-28T12:27:14.68 0.1 undecidable manual P 157 10.0788 119 0.1 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:0.8 0.000070472485 0.096 AML other m 2019-10-28T12:27:17.23
IV.MTRA.EHN. ML:1.0 0.00012606055 0.0832 AML other m 2019-10-28T12:27:16.91
IV.MTRA.HNE. ML:0.9 0.0000961397 0.16 AML other m 2019-10-28T12:27:17.15
IV.MTRA.HNN. ML:1.0 0.0001322477 0.0832 AML other m 2019-10-28T12:27:16.91
IV.NRCA.HHE. ML:1.1 0.000094618875 0.0832 AML other m 2019-10-28T12:27:19.87
IV.NRCA.HHN. ML:1.3 0.000134668 0.16 AML other m 2019-10-28T12:27:19.40
IV.NRCA.HNE. ML:1.2 0.00011128087 0.6784 AML other m 2019-10-28T12:27:17.79
IV.NRCA.HNN. ML:1.3 0.00014944679500000001 0.1728 AML other m 2019-10-28T12:27:19.41
IV.MF5.EHE. ML:0.8 0.00005139861000000001 0.4608 AML other m 2019-10-28T12:27:20.19
IV.MF5.EHN. ML:0.7 0.000035205645000000004 0.32 AML other m 2019-10-28T12:27:20.47
IV.FDMO.HHE. ML:0.9 0.000033130155 0.16 AML other m 2019-10-28T12:27:22.37
IV.FDMO.HHN. ML:1.1 0.00005256038499999999 0.2432 AML other m 2019-10-28T12:27:22.33
IV.CSP1.EHE. ML:0.9 0.000032766525 0.1216 AML other m 2019-10-28T12:27:22.18
IV.CSP1.EHN. ML:0.9 0.00004155575 0.3008 AML other m 2019-10-28T12:27:22.31
IV.TERO.HHE. ML:0.9 0.000037368509999999994 0.0576 AML other m 2019-10-28T12:27:24.09
IV.TERO.HHN. ML:0.9 0.000035008479999999994 0.064 AML other m 2019-10-28T12:27:23.69
IV.TERO.HNE. ML:1.1 0.000061091385 1.024 AML other m 2019-10-28T12:27:27.62
IV.TERO.HNN. ML:1.3 0.000093507815 1.024 AML other m 2019-10-28T12:27:33.59
IV.RM33.EHE. ML:0.6 0.00001703997 0.1344 AML other m 2019-10-28T12:27:25.52
IV.RM33.EHN. ML:0.6 0.000012899029999999998 0.1408 AML other m 2019-10-28T12:27:25.74
IV.RM33.HNE. ML:2.0 0.00033043445 1.3312 AML other m 2019-10-28T12:27:35.59
IV.RM33.HNN. ML:1.9 0.00029874341000000007 0.9088 AML other m 2019-10-28T12:27:35.63
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