Earthquake with magnitude of Md 2.4 on date 22-07-1997 and time 06:30:40 (UTC) in region 4 km SE Maratea (PZ)

A magnitude Md 2.4 earthquake occured in region: 4 km SE Maratea (PZ), on

  • 22-07-1997 06:30:40 (UTC)
  • 22-07-1997 08:30:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.9720, 15.7520 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
Maratea PZ 4 5139 5139
Tortora CS 6 6187 11326
Trecchina PZ 7 2316 13642
Aieta CS 8 823 14465
Praia a Mare CS 9 6725 21190
Lauria PZ 11 12919 34109
Nemoli PZ 11 1495 35604
Rivello PZ 12 2767 38371
San Nicola Arcella CS 14 1957 40328
Sapri SA 15 6770 47098
Lagonegro PZ 17 5584 52682
Papasidero CS 17 734 53416
Torraca SA 18 1263 54679
Scalea CS 19 10913 65592
Laino Borgo CS 19 1921 67513
Santa Domenica Talao CS 19 1263 68776
Castelluccio Inferiore PZ 19 2131 70907
Laino Castello CS 20 848 71755
Castelluccio Superiore PZ 20 824 72579

Municipalities with at least 50000 inhabitants

An earthquake occurred to
75 Km S of Potenza (67122 inhabitants)
87 Km NW of Cosenza (67546 inhabitants)
96 Km SE of Battipaglia (50786 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 2.4
ML-VAX 1.8
1997-07-22
06:30:40
39.972 15.752 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 273729
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-07-22 06:30:40 ± 0.277
Latitude 39.9720 ± 0.0197
Longitude 15.7520 ± 0.0253
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 273729

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) 3077.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 205
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00380
Epicentral distance of station farthest from the epicenter (degree) 0.00729
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 273729
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:18:40

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 273729
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
--.SGO.Z. 1997-07-22T06:31:04.57 10.0 undecidable manual SG 330 0.6771 0.23 0.6
--.TDS.Z. 1997-07-22T06:31:00.64 10.0 undecidable manual SG 124 0.5439 0.47 0.3
--.ORI.Z. 1997-07-22T06:30:59.20 10.0 undecidable manual SG 81 0.5328 -0.58 0.2
--.MU9.Z. 1997-07-22T06:30:56.72 10.0 undecidable manual PG 345 0.8103 -0.15 1.6
--.SGO.Z. 1997-07-22T06:30:53.90 10.0 undecidable manual PG 330 0.6771 -0.44 0.9
--.ORI.Z. 1997-07-22T06:30:51.91 10.0 undecidable manual PG 81 0.5328 0.2 1.7
--.TDS.Z. 1997-07-22T06:30:51.75 10.0 undecidable manual PG 124 0.5439 -0.18 1.8
--.SL9.Z. 1997-07-22T06:30:50.22 10.0 undecidable manual PG 347 0.4218 0.51 0.7
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