Earthquake with magnitude of Md 2.3 on date 27-03-1997 and time 20:11:20 (UTC) in region 4 km NE Pietraroja (BN)

A magnitude Md 2.3 earthquake occured in region: 4 km NE Pietraroja (BN), on

  • 27-03-1997 20:11:20 (UTC)
  • 27-03-1997 21:11:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.3730, 14.5920 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
Pietraroja BN 4 545 545
Sepino CB 5 1964 2509
Sassinoro BN 6 618 3127
Morcone BN 7 4932 8059
Cusano Mutri BN 8 4091 12150
Guardiaregia CB 8 801 12951
San Giuliano del Sannio CB 10 1029 13980
Cerreto Sannita BN 10 3940 17920
Campochiaro CB 11 646 18566
San Lorenzello BN 12 2227 20793
Cercepiccola CB 12 681 21474
Santa Croce del Sannio BN 12 927 22401
Pontelandolfo BN 13 2167 24568
San Polo Matese CB 13 470 25038
San Lupo BN 13 801 25839
Guardia Sanframondi BN 13 5078 30917
Vinchiaturo CB 14 3324 34241
San Lorenzo Maggiore BN 14 2154 36395
Faicchio BN 14 3634 40029
Gioia Sannitica CE 15 3638 43667
Cercemaggiore CB 15 3777 47444
Campolattaro BN 15 1072 48516
Casalduni BN 15 1378 49894
Castelvenere BN 16 2562 52456
Bojano CB 16 8058 60514
Colle d'Anchise CB 16 807 61321
San Potito Sannitico CE 17 1925 63246
San Salvatore Telesino BN 17 3999 67245
Mirabello Sannitico CB 17 2180 69425
Baranello CB 17 2673 72098
Telese Terme BN 18 7486 79584
Castello del Matese CE 18 1494 81078
Circello BN 18 2388 83466
Piedimonte Matese CE 18 11297 94763
Castelpagano BN 18 1483 96246
San Gregorio Matese CE 18 988 97234
Ferrazzano CB 19 3344 100578
Ponte BN 20 2580 103158
Gildone CB 20 809 103967
Solopaca BN 20 3820 107787

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of Benevento (60091 inhabitants)
40 Km NE of Caserta (76326 inhabitants)
51 Km NE of Acerra (59573 inhabitants)
54 Km NW of Avellino (54857 inhabitants)
55 Km NE of Aversa (53047 inhabitants)
55 Km NE of Afragola (65057 inhabitants)
58 Km NE of Casoria (77642 inhabitants)
59 Km NE of Giugliano in Campania (122974 inhabitants)
62 Km NE of Marano di Napoli (59874 inhabitants)
64 Km NE of Portici (55274 inhabitants)
66 Km NE of Napoli (974074 inhabitants)
66 Km NE of Ercolano (53709 inhabitants)
68 Km N of Torre del Greco (86275 inhabitants)
70 Km N of Scafati (50787 inhabitants)
72 Km NE of Pozzuoli (81661 inhabitants)
74 Km W of San Severo (53905 inhabitants)
75 Km N of Cava de' Tirreni (53659 inhabitants)
76 Km N of Castellammare di Stabia (66466 inhabitants)
78 Km N of Salerno (135261 inhabitants)
80 Km W of Foggia (151991 inhabitants)
91 Km NW 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 2.3 1997-03-27
20:11:20
41.373 14.592 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 264229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-03-27 20:11:20 ± 0.174
Latitude 41.3730 ± 0.0094
Longitude 14.5920 ± 0.0117
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 264229

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) 1430.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.00259
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 3
Type of magnitude Md
Reference to an origin 264229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:09:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CPI2.Z. 1997-03-27T20:11:32.91 10.0 undecidable manual SG 316 0.2886 0.49 0.7
--.RMI2.Z. 1997-03-27T20:11:31.29 10.0 undecidable manual SG 244 0.2664 -0.35 0.5
--.PSB1.Z. 1997-03-27T20:11:29.93 10.0 undecidable manual SG 132 0.2109 0.28 0.8
--.RMI2.Z. 1997-03-27T20:11:28.18 10.0 undecidable manual PG 244 0.2664 1.07 0.6
--.VTB1.Z. 1997-03-27T20:11:28.40 10.0 undecidable manual SG 171 0.1887 -0.11 0.9
--.CPI2.Z. 1997-03-27T20:11:27.30 10.0 undecidable manual PG 316 0.2886 -0.26 1.5
--.PSB1.Z. 1997-03-27T20:11:26.40 10.0 undecidable manual PG 132 0.2109 0.44 1.7
--.SMB1.Z. 1997-03-27T20:11:25.46 10.0 undecidable manual SG 77 0.0888 0.41 0.6
--.VTB1.Z. 1997-03-27T20:11:24.61 10.0 undecidable manual PG 171 0.1887 -0.7 1
--.SMB1.Z. 1997-03-27T20:11:22.86 10.0 undecidable manual PG 77 0.0888 -0.45 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