Earthquake with magnitude of ML 1.3 on date 30-10-2019 and time 02:08:56 (Italy) in region 5 km NE Marradi (FI)

A magnitude ML 1.3 earthquake occured in region: 5 km NE Marradi (FI), on

  • 30-10-2019 01:08:56 (UTC)
  • 30-10-2019 02:08:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1160, 11.6350 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Marradi FI 5 3139 3139
Palazzuolo sul Senio FI 7 1154 4293
Tredozio FC 10 1212 5505
Casola Valsenio RA 12 2617 8122
Modigliana FC 14 4560 12682
Castel del Rio BO 15 1246 13928
Portico e San Benedetto FC 15 756 14684
Brisighella RA 16 7639 22323
Fontanelice BO 17 1943 24266
Rocca San Casciano FC 18 1910 26176
Borgo Tossignano BO 18 3288 29464
Premilcuore FC 19 799 30263
Riolo Terme RA 19 5720 35983

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km S of Imola (69797 inhabitants)
28 Km SW of Faenza (58541 inhabitants)
35 Km W of Forlì (117913 inhabitants)
48 Km SE of Bologna (386663 inhabitants)
49 Km W of Cesena (96758 inhabitants)
49 Km NE of Firenze (382808 inhabitants)
50 Km NE of Prato (191150 inhabitants)
54 Km NE of Scandicci (50609 inhabitants)
56 Km SW of Ravenna (159116 inhabitants)
61 Km E of Pistoia (90315 inhabitants)
75 Km W of Rimini (147750 inhabitants)
75 Km N of Arezzo (99543 inhabitants)
80 Km S of Ferrara (133155 inhabitants)
82 Km SE of Modena (184973 inhabitants)
92 Km N of Siena (53903 inhabitants)
95 Km SE of Carpi (70699 inhabitants)
96 Km E of Lucca (89046 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 1.3 2019-10-30
01:08:56
44.1157 11.6348 9 2019-10-30
01:44:12
Sala Sismica INGV-Roma 73527281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-30 01:08:56 ± 0.12
Latitude 44.1157 ± 0.0063
Longitude 11.6348 ± 0.0100
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 73527281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 768
Semi-minor axis of confidence ellipse (meter) 547
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 303
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33725
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 73527281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-30 01:44:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.VLO.HHZ. 2019-10-30T01:10:16.46 3.0 undecidable manual Pn 2.16 0
IV.IST3.HHZ. 2019-10-30T01:10:06.79 3.0 positive manual Pn 5.32 0
CH.BERNI.HHZ. 2019-10-30T01:09:44.51 3.0 negative manual Pg 10.15 0
IV.PAOL.HHZ. 2019-10-30T01:09:30.71 3.0 undecidable manual Pn -0.39 0
IV.TERO.HHZ. 2019-10-30T01:09:20.89 3.0 undecidable manual Sn -4.11 0
IV.MF5.EHZ. 2019-10-30T01:09:16.86 3.0 undecidable manual S -0.34 0
IV.ASQU.HHZ. 2019-10-30T01:09:09.94 0.6 undecidable manual S 161 37.4292 50 0.48 43
IV.RUFI.EHN. 2019-10-30T01:09:08.22 0.6 undecidable manual S 198 32.3454 50 0.12 47
IV.IMOL.EHZ. 2019-10-30T01:09:08.08 0.6 undecidable manual S 18 28.3494 107 1.26 31
IV.SFI.EHZ. 2019-10-30T01:09:07.27 0.6 undecidable manual S 144 28.8489 107 0.29 46
IV.SEI.HHZ. 2019-10-30T01:09:05.31 0.6 undecidable manual S 253 23.0547 111 0.24 47
IV.ASQU.HHZ. 2019-10-30T01:09:03.90 0.1 undecidable manual P 161 37.4292 50 -0.08 94
IV.RUFI.EHN. 2019-10-30T01:09:03.00 0.1 undecidable manual P 198 32.3454 50 -0.2 93
IV.BRIS.HHZ. 2019-10-30T01:09:02.58 0.3 undecidable manual S 41 15.9729 119 -0.27 70
IV.IMOL.EHZ. 2019-10-30T01:09:02.52 0.3 undecidable manual P 18 28.3494 107 0.06 72
IV.SFI.EHZ. 2019-10-30T01:09:02.30 0.1 undecidable manual P 144 28.8489 107 -0.25 92
IV.SEI.HHZ. 2019-10-30T01:09:01.32 0.1 undecidable manual P 253 23.0547 111 -0.13 95
IV.LMD.HHZ. 2019-10-30T01:09:00.62 0.3 undecidable manual S 126 7.1928 141 0.17 73
IV.BRIS.HHZ. 2019-10-30T01:08:59.85 0.1 positive manual P 41 15.9729 119 -0.32 93
IV.LMD.HHZ. 2019-10-30T01:08:58.82 0.1 positive manual P 126 7.1928 141 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:1.5 0.000544 0.26 AML other m 2019-10-30T01:09:00.72
IV.LMD.HHN. ML:1.4 0.000388 1.04 AML other m 2019-10-30T01:09:01.91
IV.BRIS.HHE. ML:1.7 0.000459 0.28 AML other m 2019-10-30T01:09:02.81
IV.BRIS.HHN. ML:1.6 0.000375 0.24 AML other m 2019-10-30T01:09:02.82
IV.SEI.HHN. ML:1.8 0.000376 0.4 AML other m 2019-10-30T01:09:05.99
IV.SEI.HHE. ML:1.3 0.00011949999999999999 0.74 AML other m 2019-10-30T01:09:07.69
IV.SFI.EHN. ML:1.0 0.00004845 0.52 AML other m 2019-10-30T01:09:07.95
IV.SFI.EHE. ML:0.9 0.00004225 0.78 AML other m 2019-10-30T01:09:08.08
IV.ASQU.HHE. ML:1.0 0.00003805 0.96 AML other m 2019-10-30T01:09:10.83
IV.ASQU.HHN. ML:0.9 0.0000299 0.42 AML other m 2019-10-30T01:09:10.99
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