Earthquake with magnitude of Md 2.2 on date 24-02-1997 and time 00:22:06 (UTC) in region 5 km SE Cerignale (PC)

A magnitude Md 2.2 earthquake occured in region: 5 km SE Cerignale (PC), on

  • 24-02-1997 00:22:06 (UTC)
  • 24-02-1997 01:22:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.6480, 9.4030 at 5 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
Cerignale PC 5 127 127
Ottone PC 6 516 643
Corte Brugnatella PC 8 586 1229
Ferriere PC 8 1294 2523
Zerba PC 9 77 2600
Gorreto GE 10 97 2697
Coli PC 11 879 3576
Santo Stefano d'Aveto GE 12 1126 4702
Rovegno GE 13 554 5256
Bobbio PC 13 3577 8833
Rezzoaglio GE 14 995 9828
Fontanigorda GE 14 277 10105
Brallo di Pregola PV 14 599 10704
Farini PC 15 1290 11994
Fascia GE 16 81 12075
Rondanina GE 17 62 12137
Montebruno GE 18 240 12377
Carrega Ligure AL 18 84 12461
Santa Margherita di Staffora PV 19 473 12934
Menconico PV 19 360 13294
Propata GE 20 142 13436

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km NE of Genova (586655 inhabitants)
51 Km SW of Piacenza (102191 inhabitants)
63 Km SE of Pavia (72576 inhabitants)
69 Km E of Alessandria (93943 inhabitants)
69 Km NW of La Spezia (93959 inhabitants)
73 Km SW of Cremona (71901 inhabitants)
75 Km W of Parma (192836 inhabitants)
82 Km E of Savona (61345 inhabitants)
84 Km NW of Carrara (63133 inhabitants)
86 Km SE of Vigevano (63310 inhabitants)
90 Km NW of Massa (69479 inhabitants)
93 Km S of Milano (1345851 inhabitants)
97 Km W of Reggio nell'Emilia (171345 inhabitants)
99 Km E of Asti (76202 inhabitants)
99 Km S of Sesto San Giovanni (81608 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 2.2 1997-02-24
00:22:06
44.648 9.403 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 261659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-02-24 00:22:06 ± 0.4
Latitude 44.6480 ± 0.0233
Longitude 9.4030 ± 0.0358
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 261659

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) 3835.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.01384
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 261659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:07:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.BDI.Z. 1997-02-24T00:22:41.53 10.0 undecidable manual SG 124 1.0323 -1.54 0.2
--.DOI.Z. 1997-02-24T00:22:36.50 10.0 undecidable manual PN 265 1.5318 1.5 0.5
--.CKI.Z. 1997-02-24T00:22:35.50 10.0 undecidable manual SG 254 0.8214 -1.08 0.4
--.BDI.Z. 1997-02-24T00:22:28.54 10.0 undecidable manual PG 124 1.0323 0.73 1.4
--.CKI.Z. 1997-02-24T00:22:23.39 10.0 undecidable manual PG 254 0.8214 -0.68 1.6
--.BOB.Z. 1997-02-24T00:22:12.00 10.0 undecidable manual SG 15 0.1221 -0.02 0.9
--.BOB.Z. 1997-02-24T00:22:09.49 10.0 undecidable manual PG 15 0.1221 -0.4 2
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