Earthquake with magnitude of Md 2.5 on date 15-07-1987 and time 11:59:16 (UTC) in region 1 km W Fragneto Monforte (BN)

A magnitude Md 2.5 earthquake occured in region: 1 km W Fragneto Monforte (BN), on

  • 15-07-1987 11:59:16 (UTC)
  • 15-07-1987 13:59:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.2420, 14.7490 at 13 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
Fragneto Monforte BN 1 1840 1840
Fragneto l'Abate BN 3 1049 2889
Casalduni BN 5 1378 4267
Campolattaro BN 5 1072 5339
Pesco Sannita BN 5 1972 7311
Ponte BN 6 2580 9891
Pontelandolfo BN 7 2167 12058
Torrecuso BN 8 3407 15465
Reino BN 8 1210 16675
Paupisi BN 9 1633 18308
Pietrelcina BN 10 3114 21422
San Lupo BN 10 801 22223
San Lorenzo Maggiore BN 10 2154 24377
Pago Veiano BN 11 2406 26783
Vitulano BN 11 2944 29727
Foglianise BN 11 3385 33112
Castelpoto BN 12 1254 34366
Guardia Sanframondi BN 13 5078 39444
Benevento BN 13 60091 99535
Morcone BN 13 4932 104467
San Marco dei Cavoti BN 13 3371 107838
Circello BN 14 2388 110226
Cautano BN 14 2044 112270
Paduli BN 14 3978 116248
San Giorgio La Molara BN 15 2994 119242
Molinara BN 15 1618 120860
Campoli del Monte Taburno BN 15 1546 122406
Colle Sannita BN 15 2431 124837
Tocco Caudio BN 16 1508 126345
Santa Croce del Sannio BN 16 927 127272
Sassinoro BN 17 618 127890
Cerreto Sannita BN 17 3940 131830
Apollosa BN 17 2658 134488
Castelvenere BN 17 2562 137050
Solopaca BN 17 3820 140870
San Lorenzello BN 18 2227 143097
Sant'Arcangelo Trimonte BN 18 573 143670
Telese Terme BN 18 7486 151156
Castelpagano BN 19 1483 152639
San Leucio del Sannio BN 19 3106 155745
Buonalbergo BN 19 1730 157475
San Nicola Manfredi BN 20 3722 161197
Sant'Angelo a Cupolo BN 20 4325 165522

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km N of Benevento (60091 inhabitants)
37 Km N of Avellino (54857 inhabitants)
39 Km E of Caserta (76326 inhabitants)
46 Km NE of Acerra (59573 inhabitants)
51 Km NE of Afragola (65057 inhabitants)
54 Km NE of Casoria (77642 inhabitants)
54 Km NE of Aversa (53047 inhabitants)
57 Km NE of Portici (55274 inhabitants)
58 Km NE of Giugliano in Campania (122974 inhabitants)
58 Km NE of Scafati (50787 inhabitants)
59 Km NE of Ercolano (53709 inhabitants)
60 Km NE of Torre del Greco (86275 inhabitants)
60 Km N of Cava de' Tirreni (53659 inhabitants)
60 Km NE of Marano di Napoli (59874 inhabitants)
61 Km NE of Napoli (974074 inhabitants)
63 Km N of Salerno (135261 inhabitants)
65 Km NE of Castellammare di Stabia (66466 inhabitants)
70 Km NE of Pozzuoli (81661 inhabitants)
71 Km W of Foggia (151991 inhabitants)
72 Km SW of San Severo (53905 inhabitants)
73 Km N of Battipaglia (50786 inhabitants)
97 Km W of Cerignola (58396 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 1.9
1987-07-15
11:59:16
41.242 14.749 13 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 52269
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-07-15 11:59:16 ± 0.273
Latitude 41.2420 ± 0.0182
Longitude 14.7490 ± 0.0400
Depth (km) 13 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 52269

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) 3910.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 175
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.01133
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 52269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:50:32

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 52269
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
--.MGR.Z. 1987-07-15T11:59:56.52 10.0 undecidable manual SN 150 1.2543 0.34 0.5
--.SGO.Z. 1987-07-15T11:59:44.78 10.0 undecidable manual SG 147 0.7992 0.77 0.3
--.SOR.Z. 1987-07-15T11:59:41.70 10.0 undecidable manual SG 205 0.7326 0.02 0.6
--.MGR.Z. 1987-07-15T11:59:39.21 10.0 undecidable manual PN 150 1.2543 -0.13 1.4
--.DUI.Z. 1987-07-15T11:59:32.50 10.0 undecidable manual SG 332 0.4662 -0.9 0.3
--.SGO.Z. 1987-07-15T11:59:32.15 10.0 undecidable manual PG 147 0.7992 -0.16 1.8
--.SGG.Z. 1987-07-15T11:59:29.70 10.0 undecidable manual SG 297 0.3108 1.32 0.1
--.SOR.Z. 1987-07-15T11:59:29.40 10.0 undecidable manual PG 205 0.7326 -1.57 0.3
--.DUI.Z. 1987-07-15T11:59:26.21 10.0 undecidable manual PG 332 0.4662 0.02 2
--.BSS.Z. 1987-07-15T11:59:26.31 10.0 undecidable manual PG 172 0.4662 0.12 1.8
--.SGG.Z. 1987-07-15T11:59:23.50 10.0 undecidable manual PG 297 0.3108 0.21 1.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download