Earthquake with magnitude of ML 1.0 on date 20-07-2019 and time 21:47:25 (Italy) in region 4 km S Bolognola (MC)

A magnitude ML 1.0 earthquake occured in region: 4 km S Bolognola (MC), on

  • 20-07-2019 19:47:25 (UTC)
  • 20-07-2019 21:47:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9630, 13.2280 at 9 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.

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 4 142 142
Ussita MC 7 444 586
Acquacanina MC 9 121 707
Montefortino FM 10 1178 1885
Castelsantangelo sul Nera MC 10 281 2166
Fiastra MC 10 559 2725
Sarnano MC 10 3264 5989
Montemonaco AP 11 604 6593
Amandola FM 11 3629 10222
Visso MC 12 1107 11329
Fiordimonte MC 14 202 11531
Gualdo MC 15 815 12346
Comunanza AP 15 3166 15512
Montegallo AP 16 523 16035
Pievebovigliana MC 16 866 16901
Cessapalombo MC 17 512 17413
Pieve Torina MC 17 1458 18871
San Ginesio MC 18 3498 22369
Preci PG 18 724 23093
Smerillo FM 18 365 23458
Monte Cavallo MC 19 145 23603
Monte San Martino MC 19 765 24368
Camporotondo di Fiastrone MC 19 563 24931
Penna San Giovanni MC 19 1108 26039
Montefalcone Appennino FM 19 424 26463
Caldarola MC 20 1823 28286
Muccia MC 20 915 29201

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
52 Km NW of Teramo (54892 inhabitants)
65 Km NE of Terni (111501 inhabitants)
69 Km N of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
77 Km SW of Ancona (100861 inhabitants)
90 Km NW of Montesilvano (53738 inhabitants)
98 Km NW of Pescara (121014 inhabitants)
99 Km S of Fano (60888 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 1.0 2019-07-20
19:47:25
42.9627 13.2275 9 2019-11-13
14:31:07
Bollettino Sismico Italiano INGV 73414091
Reviewed
Rev100
ML 1.0 2019-07-20
19:47:25
42.9612 13.2192 9 2019-07-20
19:53:46
Sala Sismica INGV-Roma 70745881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-20 19:47:25 ± 0.11
Latitude 42.9627 ± 0.0045
Longitude 13.2275 ± 0.0061
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73414091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 550
Semi-minor axis of confidence ellipse (meter) 253
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.05846
Epicentral distance of station farthest from the epicenter (degree) 0.42358
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:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 70745881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-20 19:53:46

ML:1.0

Field Value
Value 1.0
Uncertainty 0.0
Num. used stations 4
Type of magnitude ML
Reference to an origin 73414091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-23 17:54:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2019-07-20T19:47:41.56 0.6 undecidable manual S 281 47.0196 50 0.65 40
IV.ASSB.HHZ. 2019-07-20T19:47:34.05 0.3 undecidable manual P 281 47.0196 50 -0.29 66
IV.MTRA.EHZ. 2019-07-20T19:47:34.95 0.6 undecidable manual S 149 26.6511 108 -0.14 47
IV.EL6.EHZ. 2019-07-20T19:47:33.34 0.3 undecidable manual P 346 41.9247 50 -0.22 68
IV.MF5.EHZ. 2019-07-20T19:47:33.51 0.6 undecidable manual S 82 19.0698 114 0.88 38
IV.NRCA.HHZ. 2019-07-20T19:47:32.26 0.6 undecidable manual S 213 17.0718 117 0.26 47
IV.PF6.EHE. 2019-07-20T19:47:32.49 0.6 undecidable manual S 352 19.5693 114 -0.31 46
IV.GUMA.HHE. 2019-07-20T19:47:31.47 0.6 undecidable manual S 38 14.0748 121 0.36 46
IV.FEMA.HNE. 2019-07-20T19:47:31.69 0.6 undecidable manual S 270 14.4744 121 0.48 45
IV.MTRA.EHZ. 2019-07-20T19:47:30.71 0.3 undecidable manual P 149 26.6511 108 -0.27 69
IV.FDMO.HHZ. 2019-07-20T19:47:30.89 0.6 undecidable manual S 306 13.9749 122 -0.19 48
IV.MMO1.EHZ. 2019-07-20T19:47:29.76 0.6 undecidable manual S 131 10.6782 129 -0.38 46
IV.PF6.EHE. 2019-07-20T19:47:29.28 0.1 undecidable manual P 352 19.5693 114 -0.38 90
IV.NRCA.HHZ. 2019-07-20T19:47:29.27 0.3 undecidable manual P 213 17.0718 117 0.08 73
IV.FEMA.HNE. 2019-07-20T19:47:29.22 0.3 undecidable manual P 270 14.4744 121 0.48 67
IV.MF5.EHZ. 2019-07-20T19:47:29.90 0.3 undecidable manual P 82 19.0698 114 0.34 68
IV.FDMO.HHZ. 2019-07-20T19:47:28.45 0.1 undecidable manual P 306 13.9749 122 -0.21 95
IV.GUMA.HHE. 2019-07-20T19:47:28.91 0.3 undecidable manual P 38 14.0748 121 0.22 71
IV.MC2.EHE. 2019-07-20T19:47:28.92 0.6 undecidable manual S 209 6.4935 143 -0.2 48
IV.MC2.EHE. 2019-07-20T19:47:27.54 0.1 undecidable manual P 209 6.4935 143 0.01 100
IV.MMO1.EHZ. 2019-07-20T19:47:27.92 0.1 undecidable manual P 131 10.6782 129 -0.2 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.9 0.00008860000000000001 0.26 AML other m 2019-07-20T19:47:31.06
IV.FDMO.HHE. ML:1.0 0.00010900000000000002 0.5 AML other m 2019-07-20T19:47:31.30
IV.MTRA.EHN. ML:1.0 0.0000606 1.16 AML other m 2019-07-20T19:47:36.85
IV.MTRA.EHE. ML:1.0 0.00005665 0.32 AML other m 2019-07-20T19:47:36.28
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