Earthquake with magnitude of ML 1.9 on date 16-10-2021 and time 04:56:08 (Italy) in region 5 km NE Vernio (PO)

A magnitude ML 1.9 earthquake occured in region: 5 km NE Vernio (PO), on

  • 16-10-2021 02:56:08 (UTC)
  • 16-10-2021 04:56:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0960, 11.1800 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Vernio PO 5 6060 6060
Castiglione dei Pepoli BO 6 5648 11708
Cantagallo PO 9 3105 14813
Camugnano BO 11 1885 16698
Barberino di Mugello FI 12 10836 27534
Castel di Casio BO 14 3448 30982
San Benedetto Val di Sambro BO 14 4315 35297
Sambuca Pistoiese PT 14 1626 36923
Vaiano PO 15 9895 46818
Firenzuola FI 16 4726 51544
Alto Reno Terme BO 18 6960 58504
Monghidoro BO 18 3749 62253
Grizzana Morandi BO 18 3916 66169
Scarperia e San Piero FI 19 12217 78386

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of Prato (191150 inhabitants)
28 Km NE of Pistoia (90315 inhabitants)
37 Km N of Firenze (382808 inhabitants)
38 Km N of Scandicci (50609 inhabitants)
46 Km S of Bologna (386663 inhabitants)
51 Km SW of Imola (69797 inhabitants)
60 Km W of Faenza (58541 inhabitants)
61 Km E of Lucca (89046 inhabitants)
65 Km SE of Modena (184973 inhabitants)
70 Km W of Forlì (117913 inhabitants)
75 Km NE of Pisa (89158 inhabitants)
79 Km E of Viareggio (62467 inhabitants)
80 Km SE of Carpi (70699 inhabitants)
80 Km SE of Reggio nell'Emilia (171345 inhabitants)
83 Km E of Massa (69479 inhabitants)
85 Km W of Cesena (96758 inhabitants)
86 Km E of Carrara (63133 inhabitants)
87 Km N of Siena (53903 inhabitants)
89 Km W of Ravenna (159116 inhabitants)
90 Km SW of Ferrara (133155 inhabitants)
90 Km NW of Arezzo (99543 inhabitants)
92 Km NE of Livorno (159219 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 1.9 2021-10-16
02:56:08
44.096 11.1797 10 2022-03-30
13:04:15
Bollettino Sismico Italiano INGV 97362161
Reviewed
Rev100
ML 1.8 2021-10-16
02:56:08
44.0958 11.179 10 2021-10-16
03:03:41
Sala Sismica INGV-Roma 96632981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-16 02:56:08 ± 0.06
Latitude 44.0960 ± 0.0036
Longitude 11.1797 ± 0.0050
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97362161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 392
Semi-minor axis of confidence ellipse (meter) 324
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 24
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) 93
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
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) 0.08274
Epicentral distance of station farthest from the epicenter (degree) 0.62773
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 97362161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-10 08:37:31

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 96632981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-16 03:03:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHZ. 2021-10-16T02:56:27.13 0.6 undecidable manual S 111 57.2982 50 0.24 44
GU.CARD.HHZ. 2021-10-16T02:56:26.49 0.3 undecidable manual S 262 56.0994 50 -0.09 69
IV.BDI.HHZ. 2021-10-16T02:56:24.22 0.3 undecidable manual S 266 46.7199 50 0.17 69
IV.CRMI.HHZ. 2021-10-16T02:56:21.50 0.6 undecidable manual S 206 36.9297 50 0.04 48
IV.RUFI.EHZ. 2021-10-16T02:56:21.79 0.6 undecidable manual S 137 38.9277 50 -0.18 46
IV.CSNT.HHZ. 2021-10-16T02:56:21.47 0.3 undecidable manual P 173 69.6747 50 0.29 64
IV.PII.HHZ. 2021-10-16T02:56:20.48 0.3 undecidable manual P 232 66.7776 50 -0.26 65
IV.OSSC.HHZ. 2021-10-16T02:56:20.70 0.3 undecidable manual P 175 63.6918 50 0.43 63
IV.ZCCA.HHZ. 2021-10-16T02:56:20.13 0.6 undecidable manual S 330 32.5452 50 -0.15 47
GU.POPM.HHZ. 2021-10-16T02:56:20.34 0.3 undecidable manual S 261 34.1436 50 -0.38 67
IV.SFI.EHZ. 2021-10-16T02:56:19.20 0.1 undecidable manual P 111 57.2982 50 -0.08 91
GU.MAIM.HHZ. 2021-10-16T02:56:19.76 0.6 undecidable manual P 250 58.497 50 0.29 44
GU.GSCL.HHZ. 2021-10-16T02:56:19.26 0.3 undecidable manual P 301 54.9006 50 0.36 65
IV.BRIS.HHZ. 2021-10-16T02:56:18.44 0.3 undecidable manual P 73 48.8178 50 0.47 64
GU.CARD.HHZ. 2021-10-16T02:56:18.72 0.3 undecidable manual P 262 56.0994 50 -0.38 64
IV.VISG.HHZ. 2021-10-16T02:56:17.28 0.3 undecidable manual S 63 22.755 114 -0.21 71
IV.BDI.HHZ. 2021-10-16T02:56:17.32 0.1 positive manual P 266 46.7199 50 -0.32 89
IV.ZCCA.HHZ. 2021-10-16T02:56:16.13 0.1 undecidable manual P 330 32.5452 50 0.67 82
IV.RUFI.EHZ. 2021-10-16T02:56:16.29 0.1 negative manual P 137 38.9277 50 -0.15 93
IV.CRMI.HHZ. 2021-10-16T02:56:15.97 0.1 positive manual P 206 36.9297 50 -0.17 93
GU.POPM.HHZ. 2021-10-16T02:56:15.51 0.1 undecidable manual P 261 34.1436 50 -0.2 93
IV.MPPT.EHZ. 2021-10-16T02:56:15.67 0.3 undecidable manual S 205 16.9719 120 -0.02 74
IV.MOCL.EHZ. 2021-10-16T02:56:14.00 0.3 undecidable manual S 179 10.0788 134 0.2 73
IV.SEI.HHZ. 2021-10-16T02:56:14.97 0.3 undecidable manual S 108 14.9739 124 -0.15 73
IV.VISG.HHZ. 2021-10-16T02:56:13.55 0.1 positive manual P 63 22.755 114 -0.3 93
IV.FNVD.HHZ. 2021-10-16T02:56:13.58 0.3 undecidable manual S 330 9.1797 137 0.01 76
IV.MPPT.EHZ. 2021-10-16T02:56:12.92 0.1 positive manual P 205 16.9719 120 0.11 98
IV.SEI.HHZ. 2021-10-16T02:56:12.36 0.1 undecidable manual P 108 14.9739 124 -0.12 98
IV.MOCL.EHZ. 2021-10-16T02:56:11.90 0.1 positive manual P 179 10.0788 134 0.18 97
IV.FNVD.HHZ. 2021-10-16T02:56:11.64 0.1 negative manual P 330 9.1797 137 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FNVD.HHN. ML:2.5 0.004322086 0.1008 AML other m 2021-10-16T02:56:14.70
IV.MOCL.EHN. ML:2.7 0.006804999999999999 0.26 AML other m 2021-10-16T02:56:14.20
IV.MOCL.EHE. ML:2.3 0.0028292495 0.08 AML other m 2021-10-16T02:56:14.12
IV.FNVD.HHE. ML:2.2 0.0022141555 0.3392 AML other m 2021-10-16T02:56:15.47
IV.MPPT.EHN. ML:2.1 0.0010712711000000002 0.2592 AML other m 2021-10-16T02:56:16.13
IV.SEI.HHE. ML:2.5 0.003165 0.32 AML other m 2021-10-16T02:56:16.30
IV.SEI.HHN. ML:2.6 0.00423 0.4 AML other m 2021-10-16T02:56:16.12
IV.MPPT.EHE. ML:1.9 0.00071538085 0.2 AML other m 2021-10-16T02:56:16.15
IV.VISG.HHE. ML:1.5 0.00019638054999999998 0.32 AML other m 2021-10-16T02:56:20.32
IV.VISG.HHN. ML:1.4 0.00018071375 0.16 AML other m 2021-10-16T02:56:18.69
GU.POPM.HHE. ML:2.0 0.00044804685 0.2 AML other m 2021-10-16T02:56:20.52
GU.POPM.HHN. ML:2.2 0.0006630000000000001 0.14 AML other m 2021-10-16T02:56:21.14
IV.BDI.HHN. ML:1.8 0.00016332465000000002 0.24 AML other m 2021-10-16T02:56:28.48
IV.BDI.HHE. ML:1.9 0.0002335477 0.3008 AML other m 2021-10-16T02:56:28.00
IV.BDI.HNE. ML:1.9 0.0002414197 0.3008 AML other m 2021-10-16T02:56:27.85
IV.BDI.HNN. ML:1.9 0.0002445 1.08 AML other m 2021-10-16T02:56:26.59
GU.CARD.HHN. ML:2.0 0.0002255 0.36 AML other m 2021-10-16T02:56:26.68
GU.CARD.HHE. ML:1.8 0.0001413731 0.2608 AML other m 2021-10-16T02:56:27.06
IV.SFI.EHE. ML:1.6 0.00008621255 0.2 AML other m 2021-10-16T02:56:27.60
GU.GSCL.HHE. ML:1.8 0.0001474 0.24 AML other m 2021-10-16T02:56:27.77
IV.SFI.EHN. ML:1.6 0.000091297665 0.12 AML other m 2021-10-16T02:56:28.32
GU.GSCL.HHN. ML:1.8 0.0001395 0.24 AML other m 2021-10-16T02:56:27.90
IV.CSNT.HHE. ML:1.7 0.00008815 1.36 AML other m 2021-10-16T02:56:31.95
IV.OSSC.HHE. ML:1.7 0.00010178573 0.3808 AML other m 2021-10-16T02:56:30.96
IV.PII.HHN. ML:2.2 0.000304 0.24 AML other m 2021-10-16T02:56:31.61
IV.OSSC.HHN. ML:1.7 0.00009068770500000001 0.6592 AML other m 2021-10-16T02:56:35.04
IV.PII.HHE. ML:2.1 0.00022231480000000001 0.2592 AML other m 2021-10-16T02:56:32.59
IV.CSNT.HHN. ML:1.7 0.0000856 0.34 AML other m 2021-10-16T02:56:33.76
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