Earthquake with magnitude of ML 0.7 on date 16-05-2018 and time 23:36:12 (Italy) in region 5 km SW Tredozio (FC)

A magnitude ML 0.7 earthquake occured in region: 5 km SW Tredozio (FC), on

  • 16-05-2018 21:36:12 (UTC)
  • 16-05-2018 23:36:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.06, 11.7 at 3 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 7 3139 4351
Portico e San Benedetto FC 8 756 5107
Premilcuore FC 11 799 5906
Rocca San Casciano FC 12 1910 7816
Palazzuolo sul Senio FI 13 1154 8970
Modigliana FC 14 4560 13530
San Godenzo FI 16 1167 14697
Dovadola FC 17 1653 16350
Galeata FC 18 2516 18866
Brisighella RA 19 7639 26505
Casola Valsenio RA 19 2617 29122

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km SW of Faenza (58541 inhabitants)
33 Km S of Imola (69797 inhabitants)
33 Km SW of Forlì (117913 inhabitants)
45 Km W of Cesena (96758 inhabitants)
48 Km NE of Firenze (382808 inhabitants)
52 Km E of Prato (191150 inhabitants)
53 Km NE of Scandicci (50609 inhabitants)
56 Km SE of Bologna (386663 inhabitants)
57 Km SW of Ravenna (159116 inhabitants)
64 Km E of Pistoia (90315 inhabitants)
67 Km N of Arezzo (99543 inhabitants)
70 Km W of Rimini (147750 inhabitants)
87 Km S of Ferrara (133155 inhabitants)
87 Km NE of Siena (53903 inhabitants)
90 Km SE of Modena (184973 inhabitants)
99 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
Rev 1000 ML 0.7 2018-05-16
21:36:12
44.06 11.7 3 2019-04-24
14:51:09
Bollettino Sismico Italiano INGV 66198521
Rev 100 ML 0.7 2018-05-16
21:36:12
44.06 11.7 3 2018-05-16
21:41:26
Sala Sismica INGV-Roma 56932361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-16 21:36:12 ± 0.17
Latitude 44.06 ± 0.01
Longitude 11.70 ± 0.02
Depth (km) 3 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 66198521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1174
Semi-minor axis of confidence ellipse (meter) 397
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 276
Circular confidence region, given by single value of horizontal uncertainty (meter) 1170
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.02068
Epicentral distance of station farthest from the epicenter (degree) 0.2689
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:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 66198521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-05 16:54:27

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 56932361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-16 21:41:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.RUFI.EHZ. 2018-05-16T21:36:22.75 0.6 undecidable manual S 212 0.2581 95 0.54 42
IV.ASQU.HHZ. 2018-05-16T21:36:22.90 0.3 undecidable manual S 166 0.2689 95 0.25 68
IV.BRIS.HHZ. 2018-05-16T21:36:19.48 0.3 undecidable manual S 17 0.1745 98 0.47 66
IV.SFI.EHZ. 2018-05-16T21:36:19.74 0.3 undecidable manual S 145 0.1871 97 0.24 69
IV.RUFI.EHZ. 2018-05-16T21:36:17.87 0.1 undecidable manual P 212 0.2581 95 -0.13 93
IV.ASQU.HHZ. 2018-05-16T21:36:17.90 0.1 negative manual P 166 0.2689 95 -0.35 89
IV.BRIS.HHZ. 2018-05-16T21:36:16.01 0.1 undecidable manual P 17 0.1745 98 -0.14 95
IV.SFI.EHZ. 2018-05-16T21:36:16.24 0.1 negative manual P 145 0.1871 97 -0.19 93
IV.LMD.HHZ. 2018-05-16T21:36:13.47 0.1 undecidable manual S 20 0.0207 138 0.01 100
IV.LMD.HHZ. 2018-05-16T21:36:12.80 0.1 undecidable manual P 20 0.0207 138 -0.15 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHE. ML:0.6 3.555E-5 0.12 AML other m 2018-05-16T21:36:20.35
IV.SFI.EHN. ML:0.8 4.465E-5 0.1 AML other m 2018-05-16T21:36:20.37
IV.ASQU.HHN. ML:0.8 2.815E-5 0.34 AML other m 2018-05-16T21:36:23.03
IV.ASQU.HHE. ML:0.7 2.46E-5 1.06 AML other m 2018-05-16T21:36:24.85
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