Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 19-09-2019 and time 22:38:27 (Italy) in region 5 km S Bolognola (MC)

A magnitude ML 0.9 earthquake occured in region: 5 km S Bolognola (MC), on

  • 19-09-2019 20:38:27 (UTC)
  • 19-09-2019 22:38:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9470, 13.2290 at 9 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
Bolognola MC 5 142 142
Ussita MC 7 444 586
Castelsantangelo sul Nera MC 8 281 867
Montefortino FM 9 1178 2045
Montemonaco AP 10 604 2649
Acquacanina MC 10 121 2770
Amandola FM 11 3629 6399
Visso MC 12 1107 7506
Fiastra MC 12 559 8065
Sarnano MC 12 3264 11329
Montegallo AP 14 523 11852
Fiordimonte MC 15 202 12054
Comunanza AP 15 3166 15220
Gualdo MC 16 815 16035
Preci PG 17 724 16759
Pievebovigliana MC 17 866 17625
Pieve Torina MC 18 1458 19083
Cessapalombo MC 18 512 19595
Smerillo FM 19 365 19960
Monte Cavallo MC 19 145 20105
Montefalcone Appennino FM 19 424 20529
San Ginesio MC 19 3498 24027
Palmiano AP 20 196 24223
Monte San Martino MC 20 765 24988

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
50 Km NW of Teramo (54892 inhabitants)
64 Km NE of Terni (111501 inhabitants)
68 Km N of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
89 Km NW of Montesilvano (53738 inhabitants)
97 Km NW of Pescara (121014 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 0.9 2019-09-19
20:38:27		 42.9472 13.2293 9 2019-09-19
20:47:09		 Sala Sismica INGV-Roma 72571261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-19 20:38:27 ± 0.09
Latitude 42.9472 ± 0.0036
Longitude 13.2293 ± 0.0061
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 72571261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 489
Semi-minor axis of confidence ellipse (meter) 131
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 57
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.04676
Epicentral distance of station farthest from the epicenter (degree) 0.39300
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 72571261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-19 20:47:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2019-09-19T20:38:42.91 0.3 undecidable manual S 346 43.623 50 0.44 65
IV.SMA1.EHZ. 2019-09-19T20:38:40.87 0.6 undecidable manual S 166 36.1416 50 0.39 45
IV.CESI.HNZ. 2019-09-19T20:38:38.18 0.6 undecidable manual S 284 27.1506 108 0.39 45
IV.MML1.HNZ. 2019-09-19T20:38:38.12 0.6 undecidable manual S 312 27.8499 108 0.08 48
IV.MTRA.HNZ. 2019-09-19T20:38:37.20 0.6 undecidable manual S 147 25.1526 110 0.07 49
IV.SAP2.EHZ. 2019-09-19T20:38:36.59 0.3 undecidable manual S 40 21.5673 112 0.62 64
IV.MF5.EHZ. 2019-09-19T20:38:36.01 0.3 undecidable manual S 76 19.2696 115 0.77 60
IV.EL6.EHZ. 2019-09-19T20:38:35.95 0.1 undecidable manual P 346 43.623 50 -0.35 89
IV.PF6.EHZ. 2019-09-19T20:38:35.64 0.6 undecidable manual S 352 21.3675 113 -0.27 47
IV.SMA1.EHZ. 2019-09-19T20:38:34.88 0.1 undecidable manual P 166 36.1416 50 -0.27 92
IV.NRCA.HHZ. 2019-09-19T20:38:34.87 0.3 undecidable manual S 217 15.6732 120 0.72 62
IV.FDMO.HHZ. 2019-09-19T20:38:34.24 0.3 undecidable manual S 311 15.1737 120 0.24 72
IV.CSP1.EHZ. 2019-09-19T20:38:33.94 0.3 undecidable manual S 353 16.1727 119 -0.35 70
IV.SAP2.EHZ. 2019-09-19T20:38:33.03 0.1 undecidable manual P 40 21.5673 112 0.47 90
IV.FEMA.HNZ. 2019-09-19T20:38:33.88 0.6 undecidable manual S 277 14.6742 121 0.04 50
IV.CESI.HNZ. 2019-09-19T20:38:33.49 0.1 undecidable manual P 284 27.1506 108 -0.11 96
IV.MML1.HNZ. 2019-09-19T20:38:33.58 0.1 undecidable manual P 312 27.8499 108 -0.17 95
IV.PF6.EHZ. 2019-09-19T20:38:32.10 0.1 undecidable manual P 352 21.3675 113 -0.42 91
IV.MMO1.EHZ. 2019-09-19T20:38:32.05 0.3 undecidable manual S 124 9.5793 133 -0.37 70
IV.MTRA.HNZ. 2019-09-19T20:38:32.86 0.1 undecidable manual P 147 25.1526 110 -0.37 91
IV.MF5.EHZ. 2019-09-19T20:38:32.20 0.1 undecidable manual P 76 19.2696 115 0.07 98
IV.FDMO.HHZ. 2019-09-19T20:38:31.20 0.1 undecidable manual P 311 15.1737 120 -0.21 96
IV.MC2.EHZ. 2019-09-19T20:38:31.43 0.3 undecidable manual S 220 5.1948 150 -0.03 76
IV.CSP1.EHZ. 2019-09-19T20:38:31.29 0.1 undecidable manual P 353 16.1727 119 -0.29 94
IV.NRCA.HHZ. 2019-09-19T20:38:31.59 0.1 undecidable manual P 217 15.6732 120 0.09 98
IV.FEMA.HNZ. 2019-09-19T20:38:31.70 0.1 undecidable manual P 277 14.6742 121 0.38 93
IV.MMO1.EHZ. 2019-09-19T20:38:30.10 0.1 undecidable manual P 124 9.5793 133 -0.4 93
IV.MC2.EHZ. 2019-09-19T20:38:29.84 0.1 undecidable manual P 220 5.1948 150 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.1 0.00011549999999999999 0.58 AML other m 2019-09-19T20:38:35.47
IV.FDMO.HHN. ML:0.8 0.00006644999999999999 0.84 AML other m 2019-09-19T20:38:35.38
IV.NRCA.HHN. ML:1.0 0.00010475 0.72 AML other m 2019-09-19T20:38:35.81
IV.FDMO.HHE. ML:0.7 0.0000477 0.7 AML other m 2019-09-19T20:38:36.22
IV.CSP1.EHE. ML:1.0 0.00009888770999999999 0.2432 AML other m 2019-09-19T20:38:34.84
IV.CSP1.EHN. ML:1.1 0.00011703967000000001 0.32 AML other m 2019-09-19T20:38:36.07
IV.MF5.EHE. ML:1.0 0.00007099356 0.448 AML other m 2019-09-19T20:38:36.40
IV.MF5.EHN. ML:1.0 0.000081629951 0.9984 AML other m 2019-09-19T20:38:36.79
IV.SMA1.EHE. ML:0.8 0.000023230062 0.7552 AML other m 2019-09-19T20:38:40.95
IV.SMA1.EHN. ML:0.9 0.000032292979999999996 1.8816 AML other m 2019-09-19T20:38:41.61
IV.EL6.EHE. ML:0.7 0.000016209065 0.2944 AML other m 2019-09-19T20:38:43.37
IV.EL6.EHN. ML:1.2 0.000051801835000000005 2.88 AML other m 2019-09-19T20:38:43.03
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