Earthquake with magnitude of Md 2.3 on date 20-01-1988 and time 07:57:55 (Italy) in region 4 km SE Farini (PC)

A magnitude Md 2.3 earthquake occured in region: 4 km SE Farini (PC), on

  • 20-01-1988 06:57:55 (UTC)
  • 20-01-1988 07:57:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.6920, 9.6080 at 10 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
Farini PC 4 1290 1290
Morfasso PC 8 1024 2314
Bettola PC 10 2828 5142
Ferriere PC 10 1294 6436
Bardi PR 12 2227 8663
Bore PR 15 749 9412
Coli PC 16 879 10291
Corte Brugnatella PC 18 586 10877
Gropparello PC 19 2293 13170
Varsi PR 19 1230 14400
Bobbio PC 19 3577 17977
Travo PC 20 2087 20064
Ponte dell'Olio PC 20 4794 24858

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km S of Piacenza (102191 inhabitants)
58 Km W of Parma (192836 inhabitants)
59 Km SW of Cremona (71901 inhabitants)
62 Km NE of Genova (586655 inhabitants)
65 Km SE of Pavia (72576 inhabitants)
67 Km N of La Spezia (93959 inhabitants)
79 Km NW of Carrara (63133 inhabitants)
81 Km W of Reggio nell'Emilia (171345 inhabitants)
82 Km E of Alessandria (93943 inhabitants)
84 Km NW of Massa (69479 inhabitants)
91 Km SE of Vigevano (63310 inhabitants)
92 Km SE of Milano (1345851 inhabitants)
98 Km SE of Sesto San Giovanni (81608 inhabitants)
99 Km E of Savona (61345 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
Md 2.3
ML-VAX 1.6
1988-01-20
06:57:55
44.692 9.608 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 61409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-01-20 06:57:55 ± 0.196
Latitude 44.6920 ± 0.0207
Longitude 9.6080 ± 0.0192
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 61409

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) 2755.8
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 5
Number of defining phases 5
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) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.00882
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 61409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:58:28

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 61409
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(km) Takeoff_angle Residual Weight
--.BDI.Z. 1988-01-20T06:58:27.99 10.0 undecidable manual SG 131 0.9435 0.43 0.2
--.CKI.Z. 1988-01-20T06:58:14.65 10.0 undecidable manual PG 254 0.9768 0.01 1.8
--.BDI.Z. 1988-01-20T06:58:13.74 10.0 undecidable manual PG 131 0.9435 -0.18 1.4
--.BOB.Z. 1988-01-20T06:58:02.50 10.0 undecidable manual SG 303 0.1332 0.47 0.2
--.BOB.Z. 1988-01-20T06:57:58.67 10.0 undecidable manual PG 303 0.1332 -0.25 1.4
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