Earthquake with magnitude of ML 1.7 on date 26-03-2020 and time 11:31:39 (UTC) in region 3 km NW Fontanelice (BO)

A magnitude ML 1.7 earthquake occured in region: 3 km NW Fontanelice (BO), on

  • 26-03-2020 11:31:39 (UTC)
  • 26-03-2020 12:31:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2800, 11.5330 at 34 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
Fontanelice BO 3 1943 1943
Borgo Tossignano BO 5 3288 5231
Casalfiumanese BO 7 3438 8669
Castel del Rio BO 8 1246 9915
Casola Valsenio RA 10 2617 12532
Monterenzio BO 11 6035 18567
Dozza BO 12 6652 25219
Castel San Pietro Terme BO 14 20811 46030
Riolo Terme RA 15 5720 51750
Loiano BO 17 4294 56044
Imola BO 17 69797 125841
Monghidoro BO 18 3749 129590
Palazzuolo sul Senio FI 19 1154 130744
Ozzano dell'Emilia BO 19 13596 144340
Pianoro BO 19 17460 161800

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km W of Imola (69797 inhabitants)
28 Km W of Faenza (58541 inhabitants)
28 Km SE of Bologna (386663 inhabitants)
41 Km W of Forlì (117913 inhabitants)
55 Km W of Ravenna (159116 inhabitants)
56 Km NE of Prato (191150 inhabitants)
59 Km W of Cesena (96758 inhabitants)
61 Km NE of Firenze (382808 inhabitants)
62 Km S of Ferrara (133155 inhabitants)
62 Km NE of Pistoia (90315 inhabitants)
63 Km SE of Modena (184973 inhabitants)
64 Km NE of Scandicci (50609 inhabitants)
76 Km SE of Carpi (70699 inhabitants)
85 Km SE of Reggio nell'Emilia (171345 inhabitants)
86 Km W of Rimini (147750 inhabitants)
90 Km S of Rovigo (51867 inhabitants)
95 Km NW of Arezzo (99543 inhabitants)
96 Km NE 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 1.7 2020-03-26
11:31:39
44.28 11.5327 34 2020-07-18
21:08:31
Bollettino Sismico Italiano INGV 77952561
Reviewed
Rev100
ML 1.7 2020-03-26
11:31:39
44.2827 11.5318 32 2020-03-26
11:37:46
Sala Sismica INGV-Roma 77588691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-26 11:31:39 ± 0.44
Latitude 44.2800 ± 0.0216
Longitude 11.5327 ± 0.0251
Depth (km) 34 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77952561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2020
Semi-minor axis of confidence ellipse (meter) 1558
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 2020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
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) 0.08364
Epicentral distance of station farthest from the epicenter (degree) 0.62593
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:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 77952561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-06 13:50:21

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 77588691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-26 11:37:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LMD.HHZ. 2020-03-26T11:31:52.39 0.3 undecidable manual S 148 26.4513 138 0.37 71
IV.MTRZ.HHZ. 2020-03-26T11:31:50.16 0.6 undecidable manual S 293 9.2796 163 0.41 48
IV.IMOL.EHZ. 2020-03-26T11:31:50.75 0.6 undecidable manual S 62 18.87 148 -0.06 50
IV.BRIS.HHE. 2020-03-26T11:31:50.49 0.6 undecidable manual S 108 19.5693 147 -0.43 46
IV.VISG.HHZ. 2020-03-26T11:31:49.51 0.6 undecidable manual S 218 12.7761 157 -0.55 46
IV.LMD.HHZ. 2020-03-26T11:31:46.89 0.1 undecidable manual P 148 26.4513 138 0.14 99
IV.BRIS.HHE. 2020-03-26T11:31:46.26 0.3 undecidable manual P 108 19.5693 147 0.14 75
IV.VISG.HHZ. 2020-03-26T11:31:45.37 0.1 undecidable manual P 218 12.7761 157 -0.26 99
IV.MTRZ.HHZ. 2020-03-26T11:31:45.62 0.1 undecidable manual P 293 9.2796 163 0.17 100
IV.CRMI.HHZ. 2020-03-26T11:31:45.12 3.0 undecidable manual P 69.4749 -7.23 0
IV.IMOL.EHZ. 2020-03-26T11:31:45.84 0.6 undecidable manual P 62 18.87 148 -0.22 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHN. ML:1.7 0.00016241275 0.2432 AML other m 2020-03-26T11:31:52.88
IV.VISG.HHN. ML:1.7 0.00021295415 0.1024 AML other m 2020-03-26T11:31:50.55
IV.VISG.HHE. ML:1.6 0.00018735925 0.1024 AML other m 2020-03-26T11:31:49.93
IV.MTRZ.HHE. ML:1.6 0.000184430025 0.2048 AML other m 2020-03-26T11:31:50.87
IV.MTRZ.HNN. ML:1.9 0.00031958115 0.224 AML other m 2020-03-26T11:31:51.13
IV.MTRZ.HHN. ML:1.9 0.0003241679 0.2176 AML other m 2020-03-26T11:31:51.13
IV.MTRZ.HNE. ML:1.6 0.00018389479 0.224 AML other m 2020-03-26T11:31:50.87
IV.IMOL.HNN. ML:1.9 0.00028864868 0.2368 AML other m 2020-03-26T11:31:51.87
IV.IMOL.HNE. ML:1.8 0.0002370079 0.48 AML other m 2020-03-26T11:31:52.01
IV.LMD.HHE. ML:1.6 0.00011821829999999999 0.4608 AML other m 2020-03-26T11:31:52.80
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download