Earthquake with magnitude of Md 2.2 on date 04-06-1988 and time 10:07:49 (Italy) in region 4 km W Galeata (FC)

A magnitude Md 2.2 earthquake occured in region: 4 km W Galeata (FC), on

  • 04-06-1988 08:07:49 (UTC)
  • 04-06-1988 10:07:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44, 11.87 at 8 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
Galeata FC 4 2516 2516
Civitella di Romagna FC 6 3786 6302
Santa Sofia FC 7 4136 10438
Rocca San Casciano FC 7 1910 12348
Portico e San Benedetto FC 7 756 13104
Premilcuore FC 8 799 13903
Tredozio FC 13 1212 15115
Dovadola FC 14 1653 16768
Predappio FC 15 6346 23114
Bagno di Romagna FC 18 6026 29140
Modigliana FC 18 4560 33700

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SW of Forlì (117913 inhabitants)
32 Km S of Faenza (58541 inhabitants)
34 Km W of Cesena (96758 inhabitants)
41 Km SE of Imola (69797 inhabitants)
54 Km SW of Ravenna (159116 inhabitants)
55 Km E of Firenze (382808 inhabitants)
56 Km W of Rimini (147750 inhabitants)
59 Km N of Arezzo (99543 inhabitants)
61 Km E of Scandicci (50609 inhabitants)
63 Km E of Prato (191150 inhabitants)
69 Km SE of Bologna (386663 inhabitants)
76 Km E of Pistoia (90315 inhabitants)
85 Km W of Pesaro (94582 inhabitants)
87 Km NE of Siena (53903 inhabitants)
94 Km W of Fano (60888 inhabitants)
95 Km S of Ferrara (133155 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 2.2 1988-06-04
08:07:49
44 11.87 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 70899
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-06-04 08:07:49 ± 0.564
Latitude 44.00 ± 0.03
Longitude 11.87 ± 0.03
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 70899

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) 4023.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 310
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.0034
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 70899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:07:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CRE.Z. 1988-06-04T08:08:03.46 10.0 undecidable manual SG 170 0.0034 -0.6 0.1
--.CRE.Z. 1988-06-04T08:07:58.31 10.0 undecidable manual PG 170 0.0034 0.41 0.5
--.PGD.Z. 1988-06-04T08:07:56.59 10.0 undecidable manual SG 220 0.0015 0.22 0.6
--.SFI.Z. 1988-06-04T08:07:54.31 10.0 undecidable manual SG 187 0.0008 0.12 0.7
--.PGD.Z. 1988-06-04T08:07:53.19 10.0 undecidable manual PG 220 0.0015 -0.27 1.2
--.SFI.Z. 1988-06-04T08:07:52.10 10.0 positive manual PG 187 0.0008 -0.19 3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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