Earthquake with magnitude of Md 2.4 on date 19-07-1988 and time 05:21:01 (Italy) in region 7 km SE Monghidoro (BO)

A magnitude Md 2.4 earthquake occured in region: 7 km SE Monghidoro (BO), on

  • 19-07-1988 03:21:01 (UTC)
  • 19-07-1988 05:21:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.18, 11.39 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
Monghidoro BO 7 3749 3749
Firenzuola FI 7 4726 8475
Castel del Rio BO 10 1246 9721
Loiano BO 11 4294 14015
San Benedetto Val di Sambro BO 13 4315 18330
Monzuno BO 14 6328 24658
Palazzuolo sul Senio FI 15 1154 25812
Fontanelice BO 16 1943 27755
Monterenzio BO 16 6035 33790
Borgo Tossignano BO 19 3288 37078
Casola Valsenio RA 19 2617 39695
Castiglione dei Pepoli BO 19 5648 45343

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SW of Imola (69797 inhabitants)
35 Km S of Bologna (386663 inhabitants)
41 Km NE of Prato (191150 inhabitants)
41 Km W of Faenza (58541 inhabitants)
47 Km NE of Pistoia (90315 inhabitants)
47 Km N of Firenze (382808 inhabitants)
50 Km NE of Scandicci (50609 inhabitants)
52 Km W of Forlì (117913 inhabitants)
63 Km SE of Modena (184973 inhabitants)
68 Km W of Cesena (96758 inhabitants)
70 Km W of Ravenna (159116 inhabitants)
75 Km S of Ferrara (133155 inhabitants)
78 Km SE of Carpi (70699 inhabitants)
80 Km E of Lucca (89046 inhabitants)
83 Km SE of Reggio nell'Emilia (171345 inhabitants)
89 Km NW of Arezzo (99543 inhabitants)
95 Km NE of Pisa (89158 inhabitants)
95 Km W of Rimini (147750 inhabitants)
96 Km N of Siena (53903 inhabitants)
98 Km E of Viareggio (62467 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 Md 2.4
ML-VAX 1.6
1988-07-19
03:21:01
44.19 11.39 2 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 73779
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-07-19 03:21:01 ± 0.355
Latitude 44.19 ± 0.03
Longitude 11.39 ± 0.02
Depth (km) 2 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 73779

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 3631.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 187
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00348
Epicentral distance of station farthest from the epicenter (degree) 0.01344
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 73779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:09:41

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 73779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BOB.Z. 1988-07-19T03:21:49.43 10.0 undecidable manual SN 293 0.0134 -0.19 0.4
--.BOB.Z. 1988-07-19T03:21:29.77 10.0 undecidable manual PN 293 0.0134 0.54 0.5
--.CRE.Z. 1988-07-19T03:21:27.00 10.0 undecidable manual SG 144 0.0062 -0.03 0.6
--.ARV.Z. 1988-07-19T03:21:26.93 10.0 undecidable manual PN 121 0.0118 0.28 1
--.SFI.Z. 1988-07-19T03:21:18.77 10.0 undecidable manual SG 130 0.0039 0.71 0.2
--.PII.Z. 1988-07-19T03:21:17.61 10.0 undecidable manual PG 233 0.007 -0.09 1.6
--.PGD.Z. 1988-07-19T03:21:17.49 10.0 undecidable manual SG 142 0.0035 1.04 0
--.CRE.Z. 1988-07-19T03:21:15.50 10.0 undecidable manual PG 144 0.0062 -0.69 0.5
--.MME.Z. 1988-07-19T03:21:12.40 10.0 undecidable manual PG 271 0.0044 0.03 1.6
--.SFI.Z. 1988-07-19T03:21:10.53 10.0 negative manual PG 130 0.0039 -0.48 1.7
--.PGD.Z. 1988-07-19T03:21:10.24 10.0 negative manual PG 142 0.0035 0.16 3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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