Earthquake with magnitude of ML 1.0 on date 28-01-2020 and time 02:02:34 (Italy) in region 6 km W Premilcuore (FC)

A magnitude ML 1.0 earthquake occured in region: 6 km W Premilcuore (FC), on

  • 28-01-2020 01:02:34 (UTC)
  • 28-01-2020 02:02:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9920, 11.7050 at 8 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
Premilcuore FC 6 799 799
Portico e San Benedetto FC 7 756 1555
San Godenzo FI 10 1167 2722
Tredozio FC 10 1212 3934
Marradi FI 12 3139 7073
Rocca San Casciano FC 14 1910 8983
Galeata FC 17 2516 11499
Santa Sofia FC 17 4136 15635
Londa FI 18 1840 17475
Dicomano FI 18 5515 22990
Palazzuolo sul Senio FI 18 1154 24144
Civitella di Romagna FC 19 3786 27930
Modigliana FC 20 4560 32490

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SW of Faenza (58541 inhabitants)
37 Km SW of Forlì (117913 inhabitants)
40 Km S of Imola (69797 inhabitants)
44 Km NE of Firenze (382808 inhabitants)
46 Km W of Cesena (96758 inhabitants)
49 Km NE of Scandicci (50609 inhabitants)
50 Km E of Prato (191150 inhabitants)
60 Km N of Arezzo (99543 inhabitants)
62 Km SW of Ravenna (159116 inhabitants)
63 Km SE of Bologna (386663 inhabitants)
63 Km E of Pistoia (90315 inhabitants)
69 Km W of Rimini (147750 inhabitants)
81 Km NE of Siena (53903 inhabitants)
94 Km S of Ferrara (133155 inhabitants)
96 Km SE of Modena (184973 inhabitants)
97 Km W of Pesaro (94582 inhabitants)
98 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
Bulletin
Rev1000
ML 1.0 2020-01-28
01:02:34
43.9918 11.7053 8 2020-07-18
21:08:32
Bollettino Sismico Italiano INGV 78081721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-28 01:02:34 ± 0.11
Latitude 43.9918 ± 0.0036
Longitude 11.7053 ± 0.0063
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78081721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 502
Semi-minor axis of confidence ellipse (meter) 270
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 89
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.48384
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 78081721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-10 16:57:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRE.HHE. 2020-01-28T01:02:49.58 0.6 undecidable manual S 154 45.8208 50 -0.08 47
IV.BRIS.HNZ. 2020-01-28T01:02:44.57 0.6 undecidable manual S 11 26.2515 107 0.67 42
IV.CPGN.EHZ. 2020-01-28T01:02:44.29 3.0 undecidable manual P 53.7018 0
IV.CRE.HHE. 2020-01-28T01:02:42.64 0.6 undecidable manual P 154 45.8208 50 -0.55 42
IV.ASQU.HHZ. 2020-01-28T01:02:42.80 0.6 undecidable manual S 163 22.6551 110 0.08 49
IV.RUFI.EHZ. 2020-01-28T01:02:42.60 0.6 undecidable manual S 223 23.1546 110 -0.28 47
IV.RONT.HHZ. 2020-01-28T01:02:42.50 0.6 undecidable manual S 271 21.7671 111 0.08 49
IV.SFI.EHZ. 2020-01-28T01:02:40.20 0.6 undecidable manual S 130 14.874 119 -0.05 50
IV.RINC.HHZ. 2020-01-28T01:02:40.00 0.3 undecidable manual S 214 14.0748 120 -0.01 76
IV.BRIS.HNZ. 2020-01-28T01:02:40.01 0.3 undecidable manual P 11 26.2515 107 0.14 72
IV.RUFI.EHZ. 2020-01-28T01:02:39.26 0.1 undecidable manual P 223 23.1546 110 -0.01 100
IV.RONT.HHZ. 2020-01-28T01:02:39.10 0.3 negative manual P 271 21.7671 111 0.09 74
IV.ASQU.HHZ. 2020-01-28T01:02:39.28 0.1 undecidable manual P 163 22.6551 110 0.1 98
IV.LMD.HHZ. 2020-01-28T01:02:38.30 0.1 undecidable manual S 1 9.4794 131 -0.42 94
IV.SFI.EHZ. 2020-01-28T01:02:37.96 0.6 undecidable manual P 130 14.874 119 0.2 49
IV.RINC.HHZ. 2020-01-28T01:02:37.84 0.1 undecidable manual P 214 14.0748 120 0.22 97
IV.LMD.HHZ. 2020-01-28T01:02:36.76 0.1 undecidable manual P 1 9.4794 131 -0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:1.0 0.00014132737 0.1 AML other m 2020-01-28T01:02:38.54
IV.LMD.HHN. ML:1.1 0.000174423255 0.16 AML other m 2020-01-28T01:02:38.53
IV.RINC.HHE. ML:0.4 0.000022896235000000002 0.2 AML other m 2020-01-28T01:02:41.97
IV.RINC.HHN. ML:0.7 0.000051760994999999994 0.4 AML other m 2020-01-28T01:02:40.45
IV.RONT.HHN. ML:1.3 0.0001308908 0.1 AML other m 2020-01-28T01:02:43.45
IV.RONT.HHE. ML:1.3 0.00015243435 0.1 AML other m 2020-01-28T01:02:43.28
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