Earthquake with magnitude of ML 0.7 on date 24-12-2019 and time 14:25:21 (Italy) in region 2 km N Palazzuolo sul Senio (FI)

A magnitude ML 0.7 earthquake occured in region: 2 km N Palazzuolo sul Senio (FI), on

  • 24-12-2019 13:25:21 (UTC)
  • 24-12-2019 14:25:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1280, 11.5450 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
Palazzuolo sul Senio FI 2 1154 1154
Marradi FI 8 3139 4293
Castel del Rio BO 10 1246 5539
Casola Valsenio RA 12 2617 8156
Firenzuola FI 13 4726 12882
Fontanelice BO 15 1943 14825
Tredozio FC 17 1212 16037
Borgo Tossignano BO 17 3288 19325
Casalfiumanese BO 20 3438 22763

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SW of Imola (69797 inhabitants)
32 Km SW of Faenza (58541 inhabitants)
41 Km W of Forlì (117913 inhabitants)
44 Km SE of Bologna (386663 inhabitants)
45 Km NE of Prato (191150 inhabitants)
46 Km NE of Firenze (382808 inhabitants)
50 Km NE of Scandicci (50609 inhabitants)
55 Km E of Pistoia (90315 inhabitants)
56 Km W of Cesena (96758 inhabitants)
61 Km SW of Ravenna (159116 inhabitants)
76 Km SE of Modena (184973 inhabitants)
78 Km NW of Arezzo (99543 inhabitants)
79 Km S of Ferrara (133155 inhabitants)
82 Km W of Rimini (147750 inhabitants)
89 Km E of Lucca (89046 inhabitants)
90 Km SE of Carpi (70699 inhabitants)
92 Km N of Siena (53903 inhabitants)
96 Km SE of Reggio nell'Emilia (171345 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 0.7 2019-12-24
13:25:21
44.1282 11.5453 9 2020-02-28
16:42:22
Bollettino Sismico Italiano INGV 76164731
Reviewed
Rev100
ML 2.1 2019-12-24
13:25:21
44.1262 11.5422 10 2020-02-03
13:10:59
Sala Sismica INGV-Roma 74940131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-24 13:25:21 ± 0.2
Latitude 44.1282 ± 0.0045
Longitude 11.5453 ± 0.0038
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 76164731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 428
Semi-minor axis of confidence ellipse (meter) 167
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 195
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.15738
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 76164731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-03 13:10:21

ML:2.1

Field Value
Value 2.1
Uncertainty 0.7
Num. used stations 10
Type of magnitude ML
Reference to an origin 74940131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-24 13:30:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EPOZ.HHZ. 2019-12-24T13:26:57.37 3.0 undecidable manual Pn 2.96 0
IV.PETRA.HHZ. 2019-12-24T13:26:49.14 3.0 undecidable manual Pn -0.37 0
IT.PLTA.HNZ. 2019-12-24T13:26:46.33 3.0 undecidable manual Sn 6.9 0
GU.GBOS.HHZ. 2019-12-24T13:26:41.83 3.0 undecidable manual Sg 8.51 0
IT.VNF1.HGZ. 2019-12-24T13:26:39.89 3.0 undecidable manual Sn -2.51 0
IV.CSP1.EHZ. 2019-12-24T13:26:15.77 3.0 undecidable manual Sg 15.5 0
IT.VNF1.HGZ. 2019-12-24T13:26:14.78 3.0 positive manual Pg 13.76 0
IV.MAGA.HHZ. 2019-12-24T13:25:48.70 3.0 undecidable manual Sn -2.6 0
IV.SAMA.EHZ. 2019-12-24T13:25:47.71 3.0 undecidable manual Pn -5.93 0
IV.NDIM.HHZ. 2019-12-24T13:25:38.29 3.0 undecidable manual Sn -0.21 0
IV.ZONE.HHZ. 2019-12-24T13:25:38.33 3.0 negative manual Pg 2.06 0
IV.ARVD.HHZ. 2019-12-24T13:25:33.44 3.0 undecidable manual P 2.26 0
IV.SEI.HHZ. 2019-12-24T13:25:28.20 0.3 undecidable manual S 241 16.9719 117 -0.03 75
IV.RONT.HHZ. 2019-12-24T13:25:28.41 0.6 undecidable manual S 211 17.4714 117 0.05 50
IV.LMD.HHZ. 2019-12-24T13:25:27.33 0.6 undecidable manual S 114 14.0748 122 -0.01 50
IV.VISG.HHZ. 2019-12-24T13:25:26.49 0.3 undecidable manual S 307 11.0778 128 -0.01 76
IV.SEI.HHZ. 2019-12-24T13:25:25.25 0.1 undecidable manual P 241 16.9719 117 -0.18 97
IV.RONT.HHZ. 2019-12-24T13:25:25.70 0.3 undecidable manual P 211 17.4714 117 0.19 72
IV.VISG.HHZ. 2019-12-24T13:25:24.52 0.1 undecidable manual P 307 11.0778 128 0.09 99
IV.LMD.HHZ. 2019-12-24T13:25:24.88 0.1 undecidable manual P 114 14.0748 122 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHN. ML:0.6 0.0000442 0.68 AML other m 2019-12-24T13:25:27.03
IV.VISG.HHE. ML:0.6 0.00005035 1.08 AML other m 2019-12-24T13:25:27.23
IV.SEI.HHN. ML:1.2 0.000124 0.2 AML other m 2019-12-24T13:25:28.43
IV.SEI.HHE. ML:0.8 0.00005515 0.42 AML other m 2019-12-24T13:25:28.46
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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