Earthquake with magnitude of ML 0.7 on date 25-07-2018 and time 05:37:32 (Italy) in region 4 km SW Tredozio (FC)

A magnitude ML 0.7 earthquake occured in region: 4 km SW Tredozio (FC), on

  • 25-07-2018 03:37:32 (UTC)
  • 25-07-2018 05:37:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.06, 11.7 at 2 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 4 1212 1212
Portico e San Benedetto FC 7 756 1968
Marradi FI 7 3139 5107
Premilcuore FC 11 799 5906
Rocca San Casciano FC 11 1910 7816
Modigliana FC 13 4560 12376
Palazzuolo sul Senio FI 14 1154 13530
San Godenzo FI 16 1167 14697
Dovadola FC 16 1653 16350
Galeata FC 18 2516 18866
Brisighella RA 19 7639 26505
Casola Valsenio RA 20 2617 29122
Civitella di Romagna FC 20 3786 32908

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SW of Faenza (58541 inhabitants)
33 Km SW of Forlì (117913 inhabitants)
33 Km S of Imola (69797 inhabitants)
44 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 SW of Ravenna (159116 inhabitants)
57 Km SE of Bologna (386663 inhabitants)
64 Km E of Pistoia (90315 inhabitants)
67 Km N of Arezzo (99543 inhabitants)
69 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)
98 Km W of Pesaro (94582 inhabitants)
99 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 2018-07-25
03:37:32
44.06 11.7 2 2019-04-24
14:51:16
Bollettino Sismico Italiano INGV 67097591
Rev 100 Md 1.5 2018-07-25
03:37:31
44.05 11.67 0 2018-07-25
03:58:39
Sala Sismica INGV-Roma 59054621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-07-25 03:37:32 ± 0.16
Latitude 44.06 ± 0.01
Longitude 11.70 ± 0.01
Depth (km) 2 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67097591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 850
Semi-minor axis of confidence ellipse (meter) 462
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 282
Circular confidence region, given by single value of horizontal uncertainty (meter) 850
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 11
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
Epicentral distance of station farthest from the epicenter (degree) 0.2608
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 67097591
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-01 09:17:37

Md:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 3
Type of magnitude Md
Reference to an origin 59054621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-07-25 03:58:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.NDIM.HHZ. 2018-07-25T03:37:45.54 3.0 negative manual P -0.02 0
IV.RUFI.EHE. 2018-07-25T03:37:42.72 0.6 undecidable manual S 212 0.2608 94 0.46 44
IV.SEI.HHZ. 2018-07-25T03:37:42.03 0.6 undecidable manual S 269 0.2473 94 0.26 46
IV.SFI.EHZ. 2018-07-25T03:37:39.71 0.6 undecidable manual S 146 0.1844 95 0.35 45
IV.BRIS.HHZ. 2018-07-25T03:37:39.57 0.6 undecidable manual S 15 0.1727 96 0.68 41
IV.RUFI.EHE. 2018-07-25T03:37:37.76 0.3 undecidable manual P 212 0.2608 94 -0.26 69
IV.SEI.HHZ. 2018-07-25T03:37:37.40 0.6 undecidable manual P 269 0.2473 94 -0.33 45
IV.SFI.EHZ. 2018-07-25T03:37:36.18 0.1 undecidable manual P 146 0.1844 95 -0.16 95
IV.BRIS.HHZ. 2018-07-25T03:37:35.90 0.1 undecidable manual P 15 0.1727 96 -0.17 95
IV.LMD.HHZ. 2018-07-25T03:37:33.26 0.1 undecidable manual S 8 0.0198 131 0.05 100
IV.LMD.HHZ. 2018-07-25T03:37:32.62 0.1 undecidable manual P 8 0.0198 131 -0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:0 0.00111147305 0.2 AML other m 2018-07-25T03:37:33.42
IV.LMD.HHN. ML:0 0.001822834 0.16 AML other m 2018-07-25T03:37:33.41
IV.SFI.HNE. ML:1.1 9.8269035E-5 1.0496 AML other m 2018-07-25T03:37:36.35
IV.SFI.HNN. ML:1.1 0.00010729971 3.3792 AML other m 2018-07-25T03:37:39.16
IV.BRIS.HHN. ML:0.4 2.12353655E-5 0.1184 AML other m 2018-07-25T03:37:39.74
IV.SFI.EHE. ML:0.1 1.10519745E-5 0.16 AML other m 2018-07-25T03:37:39.93
IV.BRIS.HNN. ML:1.3 0.00015908305 1.5808 AML other m 2018-07-25T03:37:40.17
IV.SFI.EHN. ML:0.4 1.996845E-5 0.1792 AML other m 2018-07-25T03:37:40.33
IV.BRIS.HHE. ML:0.4 2.047432E-5 0.2992 AML other m 2018-07-25T03:37:41.06
IV.BRIS.HNE. ML:1 9.6164505E-5 8.2208 AML other m 2018-07-25T03:37:42.19
IV.NDIM.HHE. ML:2.7 0.0003992415 0.4208 AML other m 2018-07-25T03:37:45.34
IV.NDIM.HHN. ML:2.9 0.0006045061 0.3408 AML other m 2018-07-25T03:37:48.85
IV.NDIM.HNN. ML:2.8 0.0005465025 0.4 AML other m 2018-07-25T03:37:48.69
IV.NDIM.HNE. ML:2.7 0.00045473495 0.12 AML other m 2018-07-25T03:38:16.17
IV.LMD.HHZ. Md:0.8 7 END duration s
IV.BRIS.HHZ. Md:1.6 16 END duration s
IV.SFI.EHZ. Md:1.6 15 END duration s
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download