Earthquake with magnitude of ML 1.4 on date 18-03-2020 and time 16:35:25 (UTC) in region 4 km S Monterenzio (BO)

A magnitude ML 1.4 earthquake occured in region: 4 km S Monterenzio (BO), on

  • 18-03-2020 16:35:25 (UTC)
  • 18-03-2020 17:35:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2920, 11.4080 at 24 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
Monterenzio BO 4 6035 6035
Loiano BO 7 4294 10329
Monghidoro BO 11 3749 14078
Monzuno BO 11 6328 20406
Pianoro BO 12 17460 37866
Castel del Rio BO 12 1246 39112
Fontanelice BO 13 1943 41055
Borgo Tossignano BO 15 3288 44343
San Benedetto Val di Sambro BO 16 4315 48658
Casalfiumanese BO 17 3438 52096
Marzabotto BO 17 6779 58875
Sasso Marconi BO 17 14735 73610
Ozzano dell'Emilia BO 18 13596 87206
Castel San Pietro Terme BO 19 20811 108017
Casola Valsenio RA 19 2617 110634
Dozza BO 19 6652 117286
Firenzuola FI 20 4726 122012
San Lazzaro di Savena BO 20 32065 154077

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km S of Bologna (386663 inhabitants)
25 Km W of Imola (69797 inhabitants)
38 Km W of Faenza (58541 inhabitants)
51 Km W of Forlì (117913 inhabitants)
52 Km NE of Prato (191150 inhabitants)
55 Km SE of Modena (184973 inhabitants)
56 Km NE of Pistoia (90315 inhabitants)
59 Km N of Firenze (382808 inhabitants)
62 Km NE of Scandicci (50609 inhabitants)
63 Km S of Ferrara (133155 inhabitants)
65 Km W of Ravenna (159116 inhabitants)
69 Km SE of Carpi (70699 inhabitants)
69 Km W of Cesena (96758 inhabitants)
76 Km SE of Reggio nell'Emilia (171345 inhabitants)
88 Km NE of Lucca (89046 inhabitants)
92 Km SW of Rovigo (51867 inhabitants)
96 Km W of Rimini (147750 inhabitants)
99 Km NW of Arezzo (99543 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 2020-03-18
16:35:25
44.2923 11.4082 24 2020-07-18
21:08:27
Bollettino Sismico Italiano INGV 77471081
Reviewed
Rev100
ML 1.4 2020-03-18
16:35:25
44.3138 11.4017 26 2020-03-18
16:40:33
Sala Sismica INGV-Roma 77353661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-18 16:35:25 ± 0.28
Latitude 44.2923 ± 0.0108
Longitude 11.4082 ± 0.0126
Depth (km) 24 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77471081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1220
Semi-minor axis of confidence ellipse (meter) 185
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 14
Circular confidence region, given by single value of horizontal uncertainty (meter) 1220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.02338
Epicentral distance of station farthest from the epicenter (degree) 0.49912
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 77471081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-22 16:40:34

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 77353661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-18 16:40:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LMD.HHZ. 2020-03-18T16:35:38.51 0.6 undecidable manual S 135 33.6441 119 0.44 46
IV.BRIS.HHZ. 2020-03-18T16:35:37.77 0.6 undecidable manual S 105 29.4483 123 0.67 43
IV.FNVD.HHZ. 2020-03-18T16:35:36.46 0.3 undecidable manual S 239 26.5512 126 0 77
IV.SEI.HHZ. 2020-03-18T16:35:36.92 0.3 undecidable manual S 189 26.751 126 0.43 70
IV.SFI.HNE. 2020-03-18T16:35:36.23 0.6 undecidable manual P 141 55.4001 106 0.28 46
IV.RINC.HHZ. 2020-03-18T16:35:35.18 0.6 undecidable manual P 161 47.7189 110 0.35 46
IV.MTRZ.HHZ. 2020-03-18T16:35:33.45 0.3 undecidable manual S 30 2.5974 173 0.43 73
IV.ZCCA.HNN. 2020-03-18T16:35:33.52 0.3 undecidable manual P 281 34.8429 118 0.51 69
IV.VISG.HHZ. 2020-03-18T16:35:33.31 0.3 undecidable manual S 170 11.6772 151 -0.47 72
IV.BRIS.HHZ. 2020-03-18T16:35:32.04 0.3 undecidable manual P 105 29.4483 123 -0.25 73
IV.FNVD.HHZ. 2020-03-18T16:35:32.08 0.3 undecidable manual P 239 26.5512 126 0.16 75
IV.LMD.HHZ. 2020-03-18T16:35:32.56 0.3 undecidable manual P 135 33.6441 119 -0.29 72
IV.SEI.HHZ. 2020-03-18T16:35:31.68 0.1 undecidable manual P 189 26.751 126 -0.26 97
IV.MTRZ.HHZ. 2020-03-18T16:35:29.61 0.1 undecidable manual P 30 2.5974 173 -0.32 100
IV.VISG.HHZ. 2020-03-18T16:35:29.78 0.1 undecidable manual P 170 11.6772 151 -0.58 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRZ.HHE. ML:1.7 0.000308 0.34 AML other m 2020-03-18T16:35:34.19
IV.MTRZ.HHN. ML:1.4 0.000183 0.5 AML other m 2020-03-18T16:35:35.35
IV.SEI.HHN. ML:1.6 0.0001795 0.18 AML other m 2020-03-18T16:35:37.23
IV.SEI.HHE. ML:1.4 0.00010489999999999999 0.4 AML other m 2020-03-18T16:35:37.48
IV.LMD.HHE. ML:1.0 0.0000353 1.44 AML other m 2020-03-18T16:35:38.13
IV.LMD.HHN. ML:1.0 0.00003565 0.2 AML other m 2020-03-18T16:35:40.60
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download