Earthquake with magnitude of Md 2.3 on date 14-02-1987 and time 23:34:40 (Italy) in region 6 km W Teggiano (SA)

A magnitude Md 2.3 earthquake occured in region: 6 km W Teggiano (SA), on

  • 14-02-1987 22:34:40 (UTC)
  • 14-02-1987 23:34:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.3770, 15.4740 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
Teggiano SA 6 7976 7976
San Rufo SA 7 1754 9730
Monte San Giacomo SA 7 1572 11302
Sacco SA 9 492 11794
Sassano SA 9 5013 16807
San Pietro al Tanagro SA 9 1695 18502
Piaggine SA 9 1311 19813
Valle dell'Angelo SA 10 248 20061
Sala Consilina SA 10 12664 32725
Corleto Monforte SA 10 592 33317
Sant'Arsenio SA 11 2815 36132
Roscigno SA 11 817 36949
Atena Lucana SA 11 2336 39285
Laurino SA 12 1548 40833
Sant'Angelo a Fasanella SA 14 635 41468
Bellosguardo SA 15 794 42262
Polla SA 16 5279 47541
Sanza SA 16 2608 50149
Padula SA 16 5368 55517
Ottati SA 17 618 56135
Campora SA 17 439 56574
Buonabitacolo SA 17 2549 59123
Brienza PZ 17 4078 63201
Pertosa SA 19 690 63891
Rofrano SA 19 1576 65467
Felitto SA 19 1283 66750
Petina SA 19 1159 67909
Stio SA 20 872 68781

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km SW of Potenza (67122 inhabitants)
49 Km SE of Battipaglia (50786 inhabitants)
69 Km SE of Salerno (135261 inhabitants)
74 Km SE of Cava de' Tirreni (53659 inhabitants)
83 Km SE of Avellino (54857 inhabitants)
90 Km E of Scafati (50787 inhabitants)
91 Km E of Castellammare di Stabia (66466 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 2.3 1987-02-14
22:34:40
40.377 15.474 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 41379
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-02-14 22:34:40 ± 0.334
Latitude 40.3770 ± 0.0285
Longitude 15.4740 ± 0.0467
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 41379

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) 5067.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
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) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.01174
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 41379
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:41:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGG.Z. 1987-02-14T22:35:06.20 10.0 undecidable manual PN 320 1.2987 0.81 0.5
--.SOR.Z. 1987-02-14T22:34:59.00 10.0 undecidable manual PG 283 0.8769 0.22 1.2
--.ORI.Z. 1987-02-14T22:34:57.50 10.0 undecidable manual PG 113 0.7992 0.21 1.3
--.MG9.Z. 1987-02-14T22:34:52.00 10.0 undecidable manual SG 165 0.2442 1.69 0
--.SGO.Z. 1987-02-14T22:34:48.50 10.0 undecidable manual SG 325 0.2109 -0.85 0.3
--.SGO.Z. 1987-02-14T22:34:45.50 10.0 undecidable manual PG 325 0.2109 -0.17 1.6
--.MG9.Z. 1987-02-14T22:34:45.50 10.0 negative manual PG 165 0.2442 -0.72 1.9
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