Earthquake with magnitude of Md 2.1 on date 30-04-1988 and time 06:07:21 (Italy) in region 5 km NW Pietraroja (BN)

A magnitude Md 2.1 earthquake occured in region: 5 km NW Pietraroja (BN), on

  • 30-04-1988 04:07:21 (UTC)
  • 30-04-1988 06:07:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3830, 14.5200 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
Pietraroja BN 5 545 545
Cusano Mutri BN 5 4091 4636
Guardiaregia CB 6 801 5437
Campochiaro CB 8 646 6083
Sepino CB 9 1964 8047
San Polo Matese CB 9 470 8517
Gioia Sannitica CE 11 3638 12155
Cerreto Sannita BN 11 3940 16095
San Potito Sannitico CE 12 1925 18020
San Lorenzello BN 12 2227 20247
Bojano CB 12 8058 28305
Castello del Matese CE 12 1494 29799
Sassinoro BN 12 618 30417
Faicchio BN 12 3634 34051
San Gregorio Matese CE 12 988 35039
Piedimonte Matese CE 12 11297 46336
San Giuliano del Sannio CB 13 1029 47365
Morcone BN 13 4932 52297
Vinchiaturo CB 14 3324 55621
Colle d'Anchise CB 14 807 56428
Cercepiccola CB 15 681 57109
San Massimo CB 15 855 57964
Guardia Sanframondi BN 16 5078 63042
Alife CE 16 7616 70658
San Salvatore Telesino BN 16 3999 74657
Baranello CB 17 2673 77330
San Lupo BN 17 801 78131
Castelvenere BN 17 2562 80693
San Lorenzo Maggiore BN 17 2154 82847
Pontelandolfo BN 18 2167 85014
Santa Croce del Sannio BN 18 927 85941
Telese Terme BN 18 7486 93427
Spinete CB 18 1320 94747
Puglianello BN 19 1349 96096
Cantalupo nel Sannio IS 19 739 96835
Roccamandolfi IS 19 938 97773
Cercemaggiore CB 19 3777 101550
Busso CB 20 1273 102823
Mirabello Sannitico CB 20 2180 105003
Casalduni BN 20 1378 106381

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NW of Benevento (60091 inhabitants)
38 Km NE of Caserta (76326 inhabitants)
50 Km N of Acerra (59573 inhabitants)
53 Km NE of Aversa (53047 inhabitants)
54 Km NE of Afragola (65057 inhabitants)
56 Km NE of Casoria (77642 inhabitants)
57 Km NW of Avellino (54857 inhabitants)
57 Km NE of Giugliano in Campania (122974 inhabitants)
60 Km NE of Marano di Napoli (59874 inhabitants)
64 Km N of Portici (55274 inhabitants)
64 Km NE of Napoli (974074 inhabitants)
65 Km N of Ercolano (53709 inhabitants)
67 Km N of Torre del Greco (86275 inhabitants)
70 Km NE of Pozzuoli (81661 inhabitants)
71 Km N of Scafati (50787 inhabitants)
77 Km N of Castellammare di Stabia (66466 inhabitants)
77 Km N of Cava de' Tirreni (53659 inhabitants)
79 Km W of San Severo (53905 inhabitants)
81 Km N of Salerno (135261 inhabitants)
86 Km W of Foggia (151991 inhabitants)
95 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 2.1 1988-04-30
04:07:21
41.383 14.52 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 68399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-04-30 04:07:21 ± 0.305
Latitude 41.3830 ± 0.0202
Longitude 14.5200 ± 0.0232
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 68399

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) 2963.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
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) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.00567
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 68399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:04:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.TR9.Z. 1988-04-30T04:07:45.00 10.0 undecidable manual SG 121 0.6327 1.13 0.1
--.SDI.Z. 1988-04-30T04:07:45.22 10.0 undecidable manual SG 301 0.6216 1.61 0
--.MSC.Z. 1988-04-30T04:07:39.00 10.0 undecidable manual SG 245 0.444 0.82 0.4
--.SDI.Z. 1988-04-30T04:07:34.14 10.0 undecidable manual PG 301 0.6216 -0.21 1.6
--.TR9.Z. 1988-04-30T04:07:34.10 10.0 undecidable manual PG 121 0.6327 -0.4 1.4
--.DUI.Z. 1988-04-30T04:07:31.84 10.0 undecidable manual SG 350 0.2775 -0.77 0.4
--.MSC.Z. 1988-04-30T04:07:31.10 10.0 undecidable manual PG 245 0.444 -0.12 2
--.RF9.Z. 1988-04-30T04:07:30.35 10.0 undecidable manual PG 258 0.3996 -0.05 2.1
--.DUI.Z. 1988-04-30T04:07:28.53 10.0 undecidable manual PG 350 0.2775 0.53 1.5
--.SGG.Z. 1988-04-30T04:07:27.00 10.0 undecidable manual SG 272 0.0999 -0.05 0.8
--.SGG.Z. 1988-04-30T04:07:23.90 10.0 undecidable manual PG 272 0.0999 -0.89 0.8
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