Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 14-01-2020 and time 06:09:36 (Italy) in region 4 km SE Rocca San Casciano (FC)

A magnitude ML 1.5 earthquake occured in region: 4 km SE Rocca San Casciano (FC), on

  • 14-01-2020 05:09:36 (UTC)
  • 14-01-2020 06:09:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0370, 11.8700 at 31 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Rocca San Casciano FC 4 1910 1910
Galeata FC 6 2516 4426
Civitella di Romagna FC 6 3786 8212
Portico e San Benedetto FC 7 756 8968
Dovadola FC 10 1653 10621
Premilcuore FC 10 799 11420
Santa Sofia FC 10 4136 15556
Tredozio FC 11 1212 16768
Predappio FC 12 6346 23114
Modigliana FC 15 4560 27674
Castrocaro Terme e Terra del Sole FC 17 6426 34100
Meldola FC 18 9970 44070

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SW of Forlì (117913 inhabitants)
28 Km S of Faenza (58541 inhabitants)
32 Km W of Cesena (96758 inhabitants)
37 Km SE of Imola (69797 inhabitants)
50 Km SW of Ravenna (159116 inhabitants)
56 Km W of Rimini (147750 inhabitants)
57 Km NE of Firenze (382808 inhabitants)
63 Km E of Scandicci (50609 inhabitants)
63 Km N of Arezzo (99543 inhabitants)
64 Km E of Prato (191150 inhabitants)
66 Km SE of Bologna (386663 inhabitants)
77 Km E of Pistoia (90315 inhabitants)
85 Km W of Pesaro (94582 inhabitants)
91 Km NE of Siena (53903 inhabitants)
91 Km S of Ferrara (133155 inhabitants)
95 Km W of Fano (60888 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 1.5 2020-01-14
05:09:36		 44.0368 11.8697 31 2020-07-18
21:08:21		 Bollettino Sismico Italiano INGV 76667101
Reviewed
Rev100 		ML 1.6 2020-01-14
05:09:36		 44.0307 11.8753 32 2020-01-14
05:14:06		 Sala Sismica INGV-Roma 75532451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-14 05:09:36 ± 0.23
Latitude 44.0368 ± 0.0081
Longitude 11.8697 ± 0.0150
Depth (km) 31 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76667101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1174
Semi-minor axis of confidence ellipse (meter) 436
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 1170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47035
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 76667101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-20 08:41:32

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 75532451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-14 05:14:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CARD.HHZ. 2020-01-14T05:09:54.22 3.0 undecidable manual P -0.06 0
IV.CRE.HHZ. 2020-01-14T05:09:53.45 0.3 undecidable manual S 172 46.8198 118 0.6 62
IV.VISG.HHZ. 2020-01-14T05:09:51.44 0.3 undecidable manual S 296 38.5281 124 0.48 66
IV.SEI.HHZ. 2020-01-14T05:09:51.86 0.6 undecidable manual S 273 40.8258 122 0.4 45
IV.RUFI.EHZ. 2020-01-14T05:09:50.38 0.3 undecidable manual S 233 36.2415 126 -0.07 72
IV.ASQU.HHZ. 2020-01-14T05:09:48.87 0.3 undecidable manual S 194 27.3504 134 0.23 71
IV.BRIS.HHZ. 2020-01-14T05:09:48.36 0.3 undecidable manual S 339 22.3554 141 0.62 65
IV.RINC.HHZ. 2020-01-14T05:09:48.61 0.3 undecidable manual S 232 26.751 135 0.08 74
IV.LMD.HHZ. 2020-01-14T05:09:46.13 0.3 undecidable manual S 289 13.6752 154 -0.34 71
IV.PARC.HHE. 2020-01-14T05:09:46.96 0.3 undecidable manual P 145 52.2033 115 0.26 67
IV.SFI.EHZ. 2020-01-14T05:09:46.44 0.3 undecidable manual S 187 14.7741 152 -0.16 73
IV.SEI.HHZ. 2020-01-14T05:09:45.26 0.1 undecidable manual P 273 40.8258 122 0.11 95
IV.CRE.HHZ. 2020-01-14T05:09:45.94 0.1 positive manual P 172 46.8198 118 -0.01 96
IV.VISG.HHZ. 2020-01-14T05:09:44.80 0.1 undecidable manual P 296 38.5281 124 -0.06 97
IV.RUFI.EHZ. 2020-01-14T05:09:44.06 0.3 undecidable manual P 233 36.2415 126 -0.51 66
IV.BRIS.HHZ. 2020-01-14T05:09:43.00 0.1 negative manual P 339 22.3554 141 0 100
IV.RINC.HHZ. 2020-01-14T05:09:43.31 0.1 positive manual P 232 26.751 135 -0.15 97
IV.ASQU.HHZ. 2020-01-14T05:09:43.40 0.1 positive manual P 194 27.3504 134 -0.12 97
IV.SFI.EHZ. 2020-01-14T05:09:42.09 0.1 positive manual P 187 14.7741 152 -0.25 97
IV.LMD.HHZ. 2020-01-14T05:09:41.81 0.1 negative manual P 289 13.6752 154 -0.46 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:0.0 0.00041549999999999996 0.24 AML other m 2020-01-14T05:09:46.24
IV.LMD.HHN. ML:0.0 0.000311 0.26 AML other m 2020-01-14T05:09:46.41
IV.SFI.EHE. ML:1.4 0.0001156 0.46 AML other m 2020-01-14T05:09:46.62
IV.SFI.EHN. ML:1.3 0.00009305 0.24 AML other m 2020-01-14T05:09:46.75
IV.BRIS.HHE. ML:1.7 0.00020999999999999998 0.42 AML other m 2020-01-14T05:09:48.57
IV.BRIS.HHN. ML:2.0 0.000364 0.22 AML other m 2020-01-14T05:09:48.72
IV.RINC.HHE. ML:1.5 0.0001026 0.28 AML other m 2020-01-14T05:09:48.75
IV.RINC.HHN. ML:1.3 0.0000729 0.84 AML other m 2020-01-14T05:09:48.98
IV.SEI.HHE. ML:0.0 0.0000717 1.7 AML other m 2020-01-14T05:09:54.86
IV.SEI.HHN. ML:0.0 0.00010614999999999999 0.4 AML other m 2020-01-14T05:09:55.73
IV.ASQU.HHE. ML:1.1 0.000047003580000000004 0.3424 AML other m 2020-01-14T05:09:49.19
IV.VISG.HHN. ML:1.2 0.000046783015 0.3776 AML other m 2020-01-14T05:09:52.47
IV.CRE.HHN. ML:1.4 0.00006515795 0.3616 AML other m 2020-01-14T05:09:53.82
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