Earthquake with magnitude of Md 2.2 on date 12-01-1997 and time 20:22:58 (UTC) in region 2 km SW Calvello (PZ)

A magnitude Md 2.2 earthquake occured in region: 2 km SW Calvello (PZ), on

  • 12-01-1997 20:22:58 (UTC)
  • 12-01-1997 21:22:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.4560, 15.8390 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
Calvello PZ 2 1948 1948
Abriola PZ 6 1531 3479
Marsicovetere PZ 9 5546 9025
Marsico Nuovo PZ 10 4098 13123
Anzi PZ 10 1696 14819
Laurenzana PZ 11 1797 16616
Paterno PZ 12 3368 19984
Viggiano PZ 14 3329 23313
Pignola PZ 14 6962 30275
Sasso di Castalda PZ 14 835 31110
Tramutola PZ 16 3089 34199
Brienza PZ 18 4078 38277
Trivigno PZ 19 678 38955
Corleto Perticara PZ 19 2511 41466
Brindisi Montagna PZ 19 908 42374
Castelmezzano PZ 20 800 43174
Tito PZ 20 7332 50506
Padula SA 20 5368 55874
Grumento Nova PZ 20 1700 57574
Satriano di Lucania PZ 20 2374 59948

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km S of Potenza (67122 inhabitants)
68 Km W of Matera (60436 inhabitants)
73 Km SW of Altamura (70396 inhabitants)
74 Km E of Battipaglia (50786 inhabitants)
90 Km S of Cerignola (58396 inhabitants)
94 Km SW of Andria (100440 inhabitants)
94 Km E of Salerno (135261 inhabitants)
99 Km E of Cava de' Tirreni (53659 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 1997-01-12
20:22:58
40.456 15.839 24 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 259399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-01-12 20:22:58 ± 0.672
Latitude 40.4560 ± 0.0295
Longitude 15.8390 ± 0.0623
Depth (km) 24 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 259399

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) 6206.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 287
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.01287
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 259399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:05:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.RMI2.Z. 1997-01-12T20:23:23.31 10.0 undecidable manual PN 304 1.4319 0.91 0.3
--.MRB1.Z. 1997-01-12T20:23:15.36 10.0 undecidable manual PN 315 0.9324 -0.25 1.4
--.MU9.Z. 1997-01-12T20:23:14.00 10.0 undecidable manual SG 319 0.3996 -0.1 0.8
--.SGO.Z. 1997-01-12T20:23:14.00 10.0 undecidable manual SG 284 0.4107 -0.45 0.6
--.CI9.Z. 1997-01-12T20:23:12.31 10.0 undecidable manual PN 303 0.7326 -0.57 1
--.SL9.Z. 1997-01-12T20:23:09.00 10.0 undecidable manual SG 247 0.1665 1.06 0.1
--.SGO.Z. 1997-01-12T20:23:07.67 10.0 undecidable manual PG 284 0.4107 0.04 2
--.MU9.Z. 1997-01-12T20:23:07.66 10.0 undecidable manual PG 319 0.3996 0.23 1.9
--.SL9.Z. 1997-01-12T20:23:03.15 10.0 undecidable manual PG 247 0.1665 -0.72 0.9
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