Earthquake with magnitude of ML 1.5 on date 24-12-2019 and time 13:01:11 (UTC) in region 5 km W Tredozio (FC)

A magnitude ML 1.5 earthquake occured in region: 5 km W Tredozio (FC), on

  • 24-12-2019 13:01:11 (UTC)
  • 24-12-2019 14:01:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.09, 11.69 at 6 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
Tredozio FC 5 1212 1212
Marradi FI 6 3139 4351
Portico e San Benedetto FC 10 756 5107
Modigliana FC 12 4560 9667
Palazzuolo sul Senio FI 12 1154 10821
Rocca San Casciano FC 13 1910 12731
Premilcuore FC 14 799 13530
Casola Valsenio RA 16 2617 16147
Dovadola FC 17 1653 17800
Brisighella RA 17 7639 25439
San Godenzo FI 18 1167 26606

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km SW of Faenza (58541 inhabitants)
30 Km S of Imola (69797 inhabitants)
32 Km W of Forlì (117913 inhabitants)
45 Km W of Cesena (96758 inhabitants)
49 Km NE of Firenze (382808 inhabitants)
52 Km E of Prato (191150 inhabitants)
53 Km SE of Bologna (386663 inhabitants)
54 Km NE of Scandicci (50609 inhabitants)
55 Km SW of Ravenna (159116 inhabitants)
64 Km E of Pistoia (90315 inhabitants)
70 Km W of Rimini (147750 inhabitants)
71 Km N of Arezzo (99543 inhabitants)
84 Km S of Ferrara (133155 inhabitants)
87 Km SE of Modena (184973 inhabitants)
90 Km NE of Siena (53903 inhabitants)
99 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
Rev 1000 ML 1.5 2019-12-24
13:01:11
44.09 11.69 6 2020-02-28
16:42:21
Bollettino Sismico Italiano INGV 75948751
Rev 100 ML 1.6 2019-12-24
13:01:11
44.08 11.69 6 2019-12-24
13:08:21
Sala Sismica INGV-Roma 74939981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-24 13:01:11 ± 0.13
Latitude 44.09 ± 0.00
Longitude 11.69 ± 0.01
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75948751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 413
Semi-minor axis of confidence ellipse (meter) 259
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 240
Circular confidence region, given by single value of horizontal uncertainty (meter) 410
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.01619
Epicentral distance of station farthest from the epicenter (degree) 0.29768
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 75948751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-28 14:28:30

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 74939981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-24 13:08:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ASQU.HHE. 2019-12-24T13:01:23.26 0.1 undecidable manual S 166 0.2977 100 -0.07 95
IV.RUFI.EHZ. 2019-12-24T13:01:22.78 0.1 undecidable manual S 207 0.2788 101 0.18 94
IV.SEI.HHZ. 2019-12-24T13:01:21.13 0.3 undecidable manual S 263 0.2383 102 0.05 73
IV.RINC.HHZ. 2019-12-24T13:01:20.30 0.3 undecidable manual S 196 0.2077 104 0.38 68
IV.RONT.HHZ. 2019-12-24T13:01:20.18 0.6 undecidable manual S 243 0.205 104 0.35 46
IV.SFI.EHZ. 2019-12-24T13:01:20.45 0.3 undecidable manual S 148 0.214 104 0.29 69
IV.VISG.HHZ. 2019-12-24T13:01:20.00 0.3 undecidable manual S 300 0.2095 104 0.02 74
IV.BRIS.HHZ. 2019-12-24T13:01:18.25 0.3 undecidable manual S 22 0.1502 109 0.46 68
IV.RUFI.EHZ. 2019-12-24T13:01:17.72 0.3 positive manual P 207 0.2788 101 -0.27 69
IV.ASQU.HHE. 2019-12-24T13:01:17.95 0.1 undecidable manual P 166 0.2977 100 -0.46 88
IV.SFI.EHZ. 2019-12-24T13:01:16.57 0.1 positive manual P 148 0.214 104 -0.01 98
IV.VISG.HHZ. 2019-12-24T13:01:16.28 0.1 negative manual P 300 0.2095 104 -0.19 95
IV.SEI.HHZ. 2019-12-24T13:01:16.81 0.1 negative manual P 263 0.2383 102 -0.3 92
IV.RINC.HHZ. 2019-12-24T13:01:16.49 0.1 undecidable manual P 196 0.2077 104 0.05 97
IV.RONT.HHZ. 2019-12-24T13:01:16.49 0.1 positive manual P 243 0.205 104 0.1 96
IV.BRIS.HHZ. 2019-12-24T13:01:15.42 1.0 undecidable manual P 22 0.1502 109 0.21 24
IV.LMD.HHZ. 2019-12-24T13:01:13.62 0.1 undecidable manual S 120 0.0162 163 -0.15 99
IV.LMD.HHZ. 2019-12-24T13:01:12.79 0.1 undecidable manual P 120 0.0162 163 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRE.HHN. ML:1.7 0.00012435 0.32 AML other m 2019-12-24T13:01:30.54
IV.CRE.HHE. ML:1.5 7.38E-5 0.76 AML other m 2019-12-24T13:01:30.53
IV.BRIS.HHN. ML:1.7 0.0005069554 0.3392 AML other m 2019-12-24T13:01:19.64
IV.BRIS.HNN. ML:1.4 0.00023485005 0.5248 AML other m 2019-12-24T13:01:19.20
IV.BRIS.HHE. ML:1.7 0.00047688805 0.096 AML other m 2019-12-24T13:01:19.04
IV.VISG.HHE. ML:1.3 0.000148904635 0.1216 AML other m 2019-12-24T13:01:20.11
IV.VISG.HHN. ML:1.4 0.0001772825 0.1216 AML other m 2019-12-24T13:01:20.42
IV.RONT.HHN. ML:1.9 0.00060617375 0.1792 AML other m 2019-12-24T13:01:22.20
IV.RONT.HHE. ML:2 0.00070609985 0.32 AML other m 2019-12-24T13:01:20.68
IV.RINC.HHE. ML:1.3 0.0001510382 0.2816 AML other m 2019-12-24T13:01:21.88
IV.RINC.HHN. ML:1.2 0.0001221697 0.2368 AML other m 2019-12-24T13:01:20.65
IV.SFI.HNN. ML:1.4 0.0001781036 0.1728 AML other m 2019-12-24T13:01:21.18
IV.SFI.HNE. ML:1.3 0.0001459249 0.1728 AML other m 2019-12-24T13:01:21.45
IV.SFI.EHN. ML:1.4 0.00016944575 0.16 AML other m 2019-12-24T13:01:21.26
IV.SFI.EHE. ML:1.4 0.0001772309 0.3392 AML other m 2019-12-24T13:01:20.80
IV.SEI.HHE. ML:1.9 0.00045064365 0.256 AML other m 2019-12-24T13:01:21.46
IV.SEI.HHN. ML:2.2 0.00085117655 0.416 AML other m 2019-12-24T13:01:21.80
IV.RUFI.EHE. ML:1.1 5.9870965E-5 0.2368 AML other m 2019-12-24T13:01:22.98
IV.RUFI.EHN. ML:1.3 0.000102313055 0.2624 AML other m 2019-12-24T13:01:22.95
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download