Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.5 on date 28-06-1989 and time 03:41:02 (UTC) in region 3 km N Romagnano al Monte (SA)

A magnitude Md 2.5 earthquake occured in region: 3 km N Romagnano al Monte (SA), on

  • 28-06-1989 03:41:02 (UTC)
  • 28-06-1989 05:41:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6580, 15.4420 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Romagnano al Monte SA 3 368 368
San Gregorio Magno SA 4 4286 4654
Ricigliano SA 4 1144 5798
Balvano PZ 6 1830 7628
Buccino SA 7 5047 12675
Salvitelle SA 8 560 13235
Vietri di Potenza PZ 9 2832 16067
Caggiano SA 11 2765 18832
Auletta SA 11 2336 21168
Muro Lucano PZ 11 5497 26665
Palomonte SA 13 3985 30650
Pertosa SA 13 690 31340
Baragiano PZ 13 2671 34011
Savoia di Lucania PZ 14 1127 35138
Bella PZ 14 5171 40309
Castelgrande PZ 14 943 41252
Colliano SA 15 3638 44890
Petina SA 15 1159 46049
Sicignano degli Alburni SA 16 3519 49568
Sant'Angelo Le Fratte PZ 16 1429 50997
Polla SA 17 5279 56276
Picerno PZ 17 5985 62261
Contursi Terme SA 17 3394 65655
Valva SA 17 1643 67298
Oliveto Citra SA 18 3802 71100
Laviano SA 18 1438 72538
Santomenna SA 20 443 72981
San Fele PZ 20 3004 75985

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km W of Potenza (67122 inhabitants)
39 Km E of Battipaglia (50786 inhabitants)
58 Km E of Salerno (135261 inhabitants)
61 Km E of Avellino (54857 inhabitants)
62 Km E of Cava de' Tirreni (53659 inhabitants)
76 Km SE of Benevento (60091 inhabitants)
78 Km E of Scafati (50787 inhabitants)
78 Km SW of Cerignola (58396 inhabitants)
81 Km E of Castellammare di Stabia (66466 inhabitants)
90 Km S of Foggia (151991 inhabitants)
92 Km E of Torre del Greco (86275 inhabitants)
93 Km E of Portici (55274 inhabitants)
94 Km E of Ercolano (53709 inhabitants)
96 Km W of Altamura (70396 inhabitants)
96 Km E of Acerra (59573 inhabitants)
96 Km SW of Andria (100440 inhabitants)
98 Km W of Matera (60436 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 2.5
ML-VAX 1.6 		1989-06-28
03:41:02		 40.658 15.442 10 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 94039
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-06-28 03:41:02 ± 0.401
Latitude 40.6580 ± 0.0207
Longitude 15.4420 ± 0.0310
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 94039

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) 3481.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.01449
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 94039
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:28:05

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 94039
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
--.SDI.Z. 1989-06-28T03:41:51.45 10.0 undecidable manual SN 311 1.6095 0.27 0.5
--.SGG.Z. 1989-06-28T03:41:40.00 10.0 undecidable manual SN 312 1.0767 1.47 0.1
--.SDI.Z. 1989-06-28T03:41:31.27 10.0 undecidable manual PN 311 1.6095 0.78 0.7
--.SOR.Z. 1989-06-28T03:41:30.00 10.0 undecidable manual SG 265 0.8325 -1.25 0.2
--.SGG.Z. 1989-06-28T03:41:22.90 10.0 undecidable manual PN 312 1.0767 -0.28 1.4
--.MT9.Z. 1989-06-28T03:41:22.40 10.0 undecidable manual SG 214 0.4995 1.84 0
--.MGR.Z. 1989-06-28T03:41:20.67 10.0 undecidable manual SG 170 0.5217 -0.44 0.6
--.CDM.Z. 1989-06-28T03:41:17.00 10.0 undecidable manual PG 55 0.7437 -0.33 1.7
--.SOR.Z. 1989-06-28T03:41:17.60 10.0 undecidable manual PG 265 0.8325 -1.38 0.4
--.MGR.Z. 1989-06-28T03:41:13.10 10.0 undecidable manual PG 170 0.5217 -0.03 1.8
--.MT9.Z. 1989-06-28T03:41:12.20 10.0 undecidable manual PG 214 0.4995 -0.61 1.3
--.SGO.Z. 1989-06-28T03:41:08.96 10.0 undecidable manual SG 225 0.1332 0.32 0.7
--.SGO.Z. 1989-06-28T03:41:06.17 10.0 negative manual PG 225 0.1332 0.24 3.5
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