Earthquake with magnitude of ML 1.4 on date 21-09-2019 and time 04:20:12 (Italy) in region 5 km S Bolognola (MC)

A magnitude ML 1.4 earthquake occured in region: 5 km S Bolognola (MC), on

  • 21-09-2019 02:20:12 (UTC)
  • 21-09-2019 04:20:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9540, 13.2300 at 8 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 5 142 142
Ussita MC 7 444 586
Castelsantangelo sul Nera MC 9 281 867
Montefortino FM 9 1178 2045
Acquacanina MC 10 121 2166
Montemonaco AP 10 604 2770
Amandola FM 11 3629 6399
Fiastra MC 11 559 6958
Sarnano MC 11 3264 10222
Visso MC 12 1107 11329
Fiordimonte MC 15 202 11531
Montegallo AP 15 523 12054
Comunanza AP 15 3166 15220
Gualdo MC 16 815 16035
Pievebovigliana MC 17 866 16901
Preci PG 18 724 17625
Cessapalombo MC 18 512 18137
Pieve Torina MC 18 1458 19595
Smerillo FM 19 365 19960
San Ginesio MC 19 3498 23458
Monte Cavallo MC 19 145 23603
Monte San Martino MC 19 765 24368
Montefalcone Appennino FM 19 424 24792
Palmiano AP 20 196 24988
Penna San Giovanni MC 20 1108 26096

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
51 Km NW of Teramo (54892 inhabitants)
65 Km NE of Terni (111501 inhabitants)
68 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)
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
Bulletin
Rev1000
ML 1.4 2019-09-21
02:20:12
42.954 13.2297 8 2020-02-28
16:41:57
Bollettino Sismico Italiano INGV 73393891
Reviewed
Rev100
ML 1.4 2019-09-21
02:20:12
42.9508 13.2283 9 2019-09-21
02:25:52
Sala Sismica INGV-Roma 72600661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-21 02:20:12 ± 0.07
Latitude 42.9540 ± 0.0036
Longitude 13.2297 ± 0.0049
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73393891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 386
Semi-minor axis of confidence ellipse (meter) 203
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 14
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58276
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 73393891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-22 16:39:09

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 72600661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-21 02:25:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.COR1.EHZ. 2019-09-21T02:20:38.75 3.0 undecidable manual S 0.94 0
IV.RM33.EHZ. 2019-09-21T02:20:29.27 0.6 undecidable manual S 181 49.4172 50 0.53 42
IV.ASSB.HHZ. 2019-09-21T02:20:28.52 0.3 undecidable manual S 282 47.3193 50 0.32 66
IV.SNTG.HHZ. 2019-09-21T02:20:26.46 0.3 undecidable manual S 325 40.8258 50 0.02 71
IV.MNTT.EHZ. 2019-09-21T02:20:23.73 0.6 undecidable manual S 68 32.0457 104 -0.11 47
IV.ARVD.HHZ. 2019-09-21T02:20:23.97 0.6 undecidable manual P 339 64.6908 50 -0.22 43
IV.CESI.HHZ. 2019-09-21T02:20:22.58 0.3 undecidable manual S 282 26.9508 106 0.43 67
IV.ASSB.HHZ. 2019-09-21T02:20:21.09 0.3 undecidable manual P 282 47.3193 50 -0.43 64
IV.RM33.EHZ. 2019-09-21T02:20:21.41 0.6 undecidable manual P 181 49.4172 50 -0.42 43
IV.SNTG.HHZ. 2019-09-21T02:20:20.08 0.6 undecidable manual P 325 40.8258 50 -0.43 43
IV.NRCA.HHZ. 2019-09-21T02:20:19.16 0.6 undecidable manual S 215 16.3725 116 0.47 45
IV.MNTT.EHZ. 2019-09-21T02:20:19.34 0.3 undecidable manual P 68 32.0457 104 0.33 67
IV.GUMA.HHZ. 2019-09-21T02:20:18.65 0.6 undecidable manual S 35 14.7741 118 0.43 45
IV.FDMO.HHZ. 2019-09-21T02:20:18.18 0.3 undecidable manual S 308 14.7741 118 -0.03 74
IV.CSP1.EHZ. 2019-09-21T02:20:18.60 0.6 undecidable manual S 353 15.4734 117 0.18 48
IV.MML1.HNE. 2019-09-21T02:20:17.83 0.1 undecidable manual P 310 27.3504 106 -0.28 92
IV.CESI.HHZ. 2019-09-21T02:20:17.93 0.3 undecidable manual P 282 26.9508 106 -0.1 71
IV.SAP2.EHE. 2019-09-21T02:20:17.26 0.6 undecidable manual P 41 20.9679 111 0.37 45
IV.PF6.EHN. 2019-09-21T02:20:16.85 0.3 undecidable manual P 352 20.5683 111 0.03 73
IV.MMO1.EHZ. 2019-09-21T02:20:16.44 0.6 undecidable manual S 127 9.9789 129 -0.37 46
IV.NRCA.HHZ. 2019-09-21T02:20:16.10 0.1 undecidable manual P 215 16.3725 116 0.07 98
IV.MF5.EHZ. 2019-09-21T02:20:16.79 0.3 undecidable manual P 79 19.0698 113 0.26 70
IV.MC2.EHZ. 2019-09-21T02:20:15.59 0.6 undecidable manual S 215 5.7942 144 -0.21 48
IV.CSP1.EHZ. 2019-09-21T02:20:15.61 0.1 undecidable manual P 353 15.4734 117 -0.26 94
IV.GUMA.HHZ. 2019-09-21T02:20:15.86 0.1 undecidable manual P 35 14.7741 118 0.1 97
IV.FEMA.HNE. 2019-09-21T02:20:15.89 0.3 undecidable manual P 274 14.6742 118 0.16 72
IV.FDMO.HHZ. 2019-09-21T02:20:15.58 0.1 undecidable manual P 308 14.7741 118 -0.17 96
IV.MC2.EHZ. 2019-09-21T02:20:14.32 0.1 positive manual P 215 5.7942 144 -0.04 100
IV.MMO1.EHZ. 2019-09-21T02:20:14.71 0.1 negative manual P 127 9.9789 129 -0.24 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.2 0.00016194625 0.4816 AML other m 2019-09-21T02:20:18.82
IV.FDMO.HHE. ML:1.0 0.000115806945 0.1392 AML other m 2019-09-21T02:20:19.62
IV.CSP1.EHE. ML:1.5 0.00031071905 0.3408 AML other m 2019-09-21T02:20:19.50
IV.CSP1.EHN. ML:1.6 0.00039402370000000004 0.4384 AML other m 2019-09-21T02:20:20.58
IV.NRCA.HNN. ML:1.5 0.00029179825000000005 0.1712 AML other m 2019-09-21T02:20:19.77
IV.NRCA.HHN. ML:1.5 0.0003220272 0.16 AML other m 2019-09-21T02:20:19.85
IV.NRCA.HNE. ML:1.6 0.0003465897 0.1392 AML other m 2019-09-21T02:20:20.54
IV.NRCA.HHE. ML:1.6 0.00035809225 0.1392 AML other m 2019-09-21T02:20:20.54
IV.MF5.EHE. ML:1.4 0.00021354004999999998 0.6608 AML other m 2019-09-21T02:20:22.70
IV.MF5.EHN. ML:1.5 0.0002631977 1.4816 AML other m 2019-09-21T02:20:24.06
IV.CESI.HHE. ML:1.3 0.0001146216 0.5216 AML other m 2019-09-21T02:20:23.29
IV.CESI.HHN. ML:1.6 0.0002235686 0.1808 AML other m 2019-09-21T02:20:23.20
IV.CESI.HNE. ML:1.6 0.00020261085 0.8992 AML other m 2019-09-21T02:20:22.84
IV.CESI.HNN. ML:1.6 0.00024630965 0.4208 AML other m 2019-09-21T02:20:25.20
IV.MNTT.EHE. ML:1.6 0.00016595167999999998 1.2 AML other m 2019-09-21T02:20:25.76
IV.MNTT.EHN. ML:1.5 0.00016083415 0.88 AML other m 2019-09-21T02:20:26.58
IV.SNTG.HHE. ML:0.9 0.000028191714999999997 0.28 AML other m 2019-09-21T02:20:28.26
IV.SNTG.HHN. ML:1.1 0.00004140274 0.2608 AML other m 2019-09-21T02:20:27.88
IV.SNTG.HNE. ML:1.7 0.00016075777000000002 2.6896 AML other m 2019-09-21T02:20:28.15
IV.ASSB.HHE. ML:1.2 0.00004536996 0.4992 AML other m 2019-09-21T02:20:32.30
IV.ASSB.HHN. ML:1.2 0.000049362235 1.3392 AML other m 2019-09-21T02:20:37.58
IV.RM33.EHN. ML:1.3 0.000047538605 1.9808 AML other m 2019-09-21T02:20:38.77
IV.RM33.EHE. ML:1.2 0.00003897572 0.9392 AML other m 2019-09-21T02:20:32.73
IV.RM33.HNE. ML:1.8 0.00016934450000000002 1.5104 AML other m 2019-09-21T02:20:36.56
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