Earthquake with magnitude of Md 2.2 on date 04-08-1998 and time 03:37:48 (Italy) in region 4 km SE Montemurro (PZ)

A magnitude Md 2.2 earthquake occured in region: 4 km SE Montemurro (PZ), on

  • 04-08-1998 01:37:48 (UTC)
  • 04-08-1998 03:37:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.2690, 16.0120 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
Montemurro PZ 4 1235 1235
Spinoso PZ 4 1462 2697
San Martino d'Agri PZ 5 801 3498
Armento PZ 6 631 4129
San Chirico Raparo PZ 10 1084 5213
Grumento Nova PZ 11 1700 6913
Sarconi PZ 11 1404 8317
Gallicchio PZ 11 862 9179
Castelsaraceno PZ 12 1384 10563
Viggiano PZ 12 3329 13892
Moliterno PZ 12 4062 17954
Guardia Perticara PZ 13 552 18506
Corleto Perticara PZ 13 2511 21017
Missanello PZ 13 566 21583
Carbone PZ 16 638 22221
Castronuovo di Sant'Andrea PZ 17 1067 23288
Calvera PZ 17 387 23675
Roccanova PZ 18 1543 25218
Gorgoglione MT 18 989 26207
Aliano MT 19 1008 27215
Cirigliano MT 19 375 27590
Marsicovetere PZ 20 5546 33136
Teana PZ 20 613 33749
Tramutola PZ 20 3089 36838
Latronico PZ 20 4556 41394

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km SE of Potenza (67122 inhabitants)
67 Km SW of Matera (60436 inhabitants)
77 Km SW of Altamura (70396 inhabitants)
95 Km E 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 2.2 1998-08-04
01:37:48
40.269 16.012 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 347069
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-08-04 01:37:48 ± 0.302
Latitude 40.2690 ± 0.0255
Longitude 16.0120 ± 0.0235
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 347069

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) 3466.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.00567
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 4
Type of magnitude Md
Reference to an origin 347069
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:25:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ORI.Z. 1998-08-04T01:38:03.66 10.0 undecidable manual SG 123 0.3885 0.53 0.6
--.MGR.Z. 1998-08-04T01:38:03.27 10.0 undecidable manual SG 249 0.3663 0.86 0.3
--.MU9.Z. 1998-08-04T01:38:01.68 10.0 undecidable manual PG 321 0.6327 0.35 1.4
--.SL9.Z. 1998-08-04T01:37:59.83 10.0 undecidable manual SG 292 0.3108 -0.65 0.4
--.MGR.Z. 1998-08-04T01:37:56.23 10.0 undecidable manual PG 249 0.3663 -0.3 1.8
--.SL9.Z. 1998-08-04T01:37:55.19 10.0 undecidable manual PG 292 0.3108 -0.23 1.9
--.ORI.Z. 1998-08-04T01:37:55.98 10.0 undecidable manual PG 123 0.3885 -0.97 0.5
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