Earthquake with magnitude of ML 1.4 on date 26-03-2020 and time 13:22:12 (Italy) in region 4 km NW Borgo Tossignano (BO)

A magnitude ML 1.4 earthquake occured in region: 4 km NW Borgo Tossignano (BO), on

  • 26-03-2020 12:22:12 (UTC)
  • 26-03-2020 13:22:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3070, 11.5520 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
Borgo Tossignano BO 4 3288 3288
Casalfiumanese BO 5 3438 6726
Fontanelice BO 6 1943 8669
Dozza BO 9 6652 15321
Castel San Pietro Terme BO 11 20811 36132
Casola Valsenio RA 11 2617 38749
Castel del Rio BO 11 1246 39995
Monterenzio BO 12 6035 46030
Imola BO 14 69797 115827
Riolo Terme RA 14 5720 121547
Ozzano dell'Emilia BO 17 13596 135143
Castel Guelfo di Bologna BO 17 4455 139598
Loiano BO 19 4294 143892
Pianoro BO 19 17460 161352
Brisighella RA 20 7639 168991
Castel Bolognese RA 20 9554 178545

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km W of Imola (69797 inhabitants)
27 Km W of Faenza (58541 inhabitants)
27 Km SE of Bologna (386663 inhabitants)
40 Km W of Forlì (117913 inhabitants)
53 Km W of Ravenna (159116 inhabitants)
58 Km W of Cesena (96758 inhabitants)
59 Km S of Ferrara (133155 inhabitants)
60 Km NE of Prato (191150 inhabitants)
62 Km SE of Modena (184973 inhabitants)
64 Km NE of Firenze (382808 inhabitants)
65 Km NE of Pistoia (90315 inhabitants)
68 Km NE of Scandicci (50609 inhabitants)
75 Km SE of Carpi (70699 inhabitants)
85 Km SE of Reggio nell'Emilia (171345 inhabitants)
85 Km W of Rimini (147750 inhabitants)
87 Km S of Rovigo (51867 inhabitants)
97 Km N of Arezzo (99543 inhabitants)
98 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 1.4 2020-03-26
12:22:12
44.3072 11.5523 34 2020-07-18
21:08:38
Bollettino Sismico Italiano INGV 79840251
Reviewed
Rev100
ML 1.4 2020-03-26
12:22:12
44.3088 11.5822 34 2020-03-26
12:32:43
Sala Sismica INGV-Roma 77590211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-26 12:22:12 ± 0.56
Latitude 44.3072 ± 0.0198
Longitude 11.5523 ± 0.0251
Depth (km) 34 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79840251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2167
Semi-minor axis of confidence ellipse (meter) 556
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 196
Circular confidence region, given by single value of horizontal uncertainty (meter) 2170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32466
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 79840251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-03 01:24:56

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 77590211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-26 12:32:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CPGN.EHZ. 2020-03-26T12:22:28.37 3.0 undecidable manual P 0 0
IV.RONT.HHZ. 2020-03-26T12:22:27.61 0.3 undecidable manual S 195 36.0417 129 0.56 64
IV.LMD.HHZ. 2020-03-26T12:22:25.53 0.3 undecidable manual S 154 28.3494 137 0.01 74
IV.MTRZ.HHZ. 2020-03-26T12:22:23.48 0.3 undecidable manual S 274 10.1787 162 0.48 70
IV.BRIS.HHZ. 2020-03-26T12:22:23.84 0.3 undecidable manual S 118 19.3695 148 -0.21 72
IV.IMOL.EHZ. 2020-03-26T12:22:23.66 0.3 undecidable manual S 69 16.1727 152 0.04 76
IV.VISG.HHZ. 2020-03-26T12:22:22.51 0.6 undecidable manual S 216 16.1727 152 -1.11 35
IV.RONT.HHZ. 2020-03-26T12:22:21.59 0.3 undecidable manual P 195 36.0417 129 0.61 63
IV.LMD.HHZ. 2020-03-26T12:22:20.03 0.1 undecidable manual P 154 28.3494 137 -0.06 98
IV.IMOL.EHZ. 2020-03-26T12:22:19.27 0.3 undecidable manual P 69 16.1727 152 0.27 72
IV.BRIS.HHZ. 2020-03-26T12:22:19.24 0.1 undecidable manual P 118 19.3695 148 0 100
IV.VISG.HHZ. 2020-03-26T12:22:18.24 0.1 undecidable manual P 216 16.1727 152 -0.76 82
IV.MTRZ.HHZ. 2020-03-26T12:22:18.55 0.1 undecidable manual P 274 10.1787 162 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHE. ML:1.5 0.00011795 0.42 AML other m 2020-03-26T12:22:23.64
IV.MTRZ.HHE. ML:1.4 0.000092944995 0.1984 AML other m 2020-03-26T12:22:23.89
IV.MTRZ.HHN. ML:1.6 0.000156922465 0.0448 AML other m 2020-03-26T12:22:24.04
IV.LMD.HHE. ML:1.3 0.00006152144 0.48 AML other m 2020-03-26T12:22:25.71
IV.BRIS.HHN. ML:1.2 0.00005983162 0.3392 AML other m 2020-03-26T12:22:25.72
IV.LMD.HHN. ML:1.5 0.000094294375 0.2624 AML other m 2020-03-26T12:22:25.65
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