Earthquake with magnitude of ML 0.8 on date 14-07-2020 and time 22:20:02 (Italy) in region 6 km SW Tredozio (FC)

A magnitude ML 0.8 earthquake occured in region: 6 km SW Tredozio (FC), on

  • 14-07-2020 20:20:02 (UTC)
  • 14-07-2020 22:20:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0410, 11.6930 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
Tredozio FC 6 1212 1212
Portico e San Benedetto FC 7 756 1968
Marradi FI 8 3139 5107
Premilcuore FC 10 799 5906
Rocca San Casciano FC 12 1910 7816
San Godenzo FI 14 1167 8983
Palazzuolo sul Senio FI 14 1154 10137
Modigliana FC 15 4560 14697
Dovadola FC 18 1653 16350
Galeata FC 18 2516 18866

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km SW of Faenza (58541 inhabitants)
34 Km SW of Forlì (117913 inhabitants)
35 Km S of Imola (69797 inhabitants)
45 Km W of Cesena (96758 inhabitants)
46 Km NE of Firenze (382808 inhabitants)
51 Km E of Prato (191150 inhabitants)
52 Km NE of Scandicci (50609 inhabitants)
58 Km SE of Bologna (386663 inhabitants)
58 Km SW of Ravenna (159116 inhabitants)
63 Km E of Pistoia (90315 inhabitants)
66 Km N of Arezzo (99543 inhabitants)
70 Km W of Rimini (147750 inhabitants)
85 Km NE of Siena (53903 inhabitants)
89 Km S of Ferrara (133155 inhabitants)
91 Km SE of Modena (184973 inhabitants)
98 Km E of Lucca (89046 inhabitants)
99 Km W of Pesaro (94582 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 0.8 2020-07-14
20:20:02
44.0412 11.6933 8 2020-11-19
12:37:03
Bollettino Sismico Italiano INGV 83337401
Reviewed
Rev100
ML 0.8 2020-07-14
20:20:02
44.0407 11.6932 8 2020-07-14
20:27:49
Sala Sismica INGV-Roma 81036521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-14 20:20:02 ± 0.16
Latitude 44.0412 ± 0.0036
Longitude 11.6933 ± 0.0050
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 83337401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 375
Semi-minor axis of confidence ellipse (meter) 294
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.03777
Epicentral distance of station farthest from the epicenter (degree) 0.23742
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 81036521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-14 20:27:49

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 83337401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-28 16:20:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHZ. 2020-07-14T20:20:10.22 0.3 undecidable manual S 141 19.4694 113 0.02 73
IV.RONT.HHZ. 2020-07-14T20:20:10.83 0.1 undecidable manual S 256 21.4674 111 0 97
IV.RINC.HHZ. 2020-07-14T20:20:09.77 0.1 undecidable manual S 202 18.4704 114 -0.11 96
IV.VISG.HHZ. 2020-07-14T20:20:08.18 0.1 undecidable manual P 309 26.3514 107 -0.22 92
IV.SFI.EHZ. 2020-07-14T20:20:07.09 0.1 undecidable manual P 141 19.4694 113 -0.01 98
IV.RONT.HHZ. 2020-07-14T20:20:07.76 0.1 undecidable manual P 256 21.4674 111 0.29 92
IV.RINC.HHZ. 2020-07-14T20:20:06.91 0.1 undecidable manual P 202 18.4704 114 -0.01 98
IV.LMD.HHZ. 2020-07-14T20:20:06.02 0.1 undecidable manual S 15 4.1958 153 -0.01 100
IV.LMD.HHZ. 2020-07-14T20:20:04.78 0.1 undecidable manual P 15 4.1958 153 0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHN. ML:0.4 0.0000205 0.52 AML other m 2020-07-14T20:20:10.36
IV.SFI.EHE. ML:0.5 0.00002289 0.88 AML other m 2020-07-14T20:20:10.87
IV.RONT.HHE. ML:1.1 0.00009070000000000001 0.94 AML other m 2020-07-14T20:20:11.96
IV.RONT.HHN. ML:1.0 0.00007485 0.88 AML other m 2020-07-14T20:20:11.53
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