Earthquake with magnitude of ML 0.7 on date 01-06-2017 and time 00:44:14 (Italy) in region 5 km NE Marradi (FI)

A magnitude ML 0.7 earthquake occured in region: 5 km NE Marradi (FI), on

  • 31-05-2017 22:44:14 (UTC)
  • 01-06-2017 00:44:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.11, 11.67 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
Marradi FI 5 3139 3139
Tredozio FC 7 1212 4351
Palazzuolo sul Senio FI 10 1154 5505
Modigliana FC 12 4560 10065
Portico e San Benedetto FC 13 756 10821
Casola Valsenio RA 14 2617 13438
Rocca San Casciano FC 15 1910 15348
Brisighella RA 15 7639 22987
Premilcuore FC 17 799 23786
Castel del Rio BO 18 1246 25032
Dovadola FC 18 1653 26685
Fontanelice BO 19 1943 28628
Riolo Terme RA 20 5720 34348
Borgo Tossignano BO 20 3288 37636

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SW of Faenza (58541 inhabitants)
28 Km S of Imola (69797 inhabitants)
33 Km W of Forlì (117913 inhabitants)
46 Km W of Cesena (96758 inhabitants)
50 Km NE of Firenze (382808 inhabitants)
50 Km SE of Bologna (386663 inhabitants)
52 Km E of Prato (191150 inhabitants)
55 Km NE of Scandicci (50609 inhabitants)
55 Km SW of Ravenna (159116 inhabitants)
63 Km E of Pistoia (90315 inhabitants)
72 Km W of Rimini (147750 inhabitants)
73 Km N of Arezzo (99543 inhabitants)
81 Km S of Ferrara (133155 inhabitants)
84 Km SE of Modena (184973 inhabitants)
92 Km NE of Siena (53903 inhabitants)
97 Km SE of Carpi (70699 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
Rev 1000 ML 0.7 2017-05-31
22:44:14
44.11 11.67 9 2018-07-06
10:38:22
Bollettino Sismico Italiano INGV 53353671
Rev 100 Md 0.0
ML 0.7
2017-05-31
22:44:14
44.11 11.67 9 2017-05-31
23:16:49
Sala Sismica INGV-Roma 46085121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-05-31 22:44:14 ± 0.07
Latitude 44.11 ± 0.00
Longitude 11.67 ± 0.01
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 53353671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 360
Semi-minor axis of confidence ellipse (meter) 296
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 360
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
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) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.04137
Epicentral distance of station farthest from the epicenter (degree) 0.32286
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 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 46085121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-05-31 23:16:49

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 53353671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-01-22 12:14:09

Md:0

Field Value
Value 0
Uncertainty 0
Num. used stations 0
Type of magnitude Md
Reference to an origin 46085121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-05-31 23:16:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ASQU.HHN. 2017-05-31T22:44:27.39 0.6 undecidable manual S 164 0.3229 50 0.12 47
IV.SFI.EHZ. 2017-05-31T22:44:24.83 0.6 undecidable manual S 147 0.2401 109 0.28 46
IV.SEI.HHZ. 2017-05-31T22:44:24.30 0.6 undecidable manual S 257 0.2275 110 0.21 47
IV.BRIS.HHZ. 2017-05-31T22:44:21.03 0.6 undecidable manual S 31 0.1376 120 0.11 48
IV.ASQU.HHN. 2017-05-31T22:44:21.88 0.1 undecidable manual P 164 0.3229 50 -0.11 93
IV.SEI.HHZ. 2017-05-31T22:44:20.08 0.1 undecidable manual P 257 0.2275 110 -0.08 96
IV.SFI.EHZ. 2017-05-31T22:44:20.37 0.1 undecidable manual P 147 0.2401 109 -0.06 96
IV.BRIS.HHZ. 2017-05-31T22:44:18.36 0.1 undecidable manual P 31 0.1376 120 0.03 98
IV.LMD.HHZ. 2017-05-31T22:44:18.13 0.6 undecidable manual S 136 0.0414 153 -0.15 49
IV.LMD.HHZ. 2017-05-31T22:44:16.77 0.1 undecidable manual P 136 0.0414 153 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHN. ML:0.5 6.63E-5 0.74 AML other m 2017-05-31T22:44:18.22
IV.LMD.HHE. ML:0.5 6.04E-5 1.18 AML other m 2017-05-31T22:44:18.97
IV.BRIS.HHE. ML:0.8 6.265E-5 0.58 AML other m 2017-05-31T22:44:21.62
IV.BRIS.HHN. ML:0.9 7.575E-5 0.38 AML other m 2017-05-31T22:44:22.07
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