Earthquake with magnitude of ML 1.2 on date 23-09-2019 and time 09:33:24 (Italy) in region 3 km S Longano (IS)

A magnitude ML 1.2 earthquake occured in region: 3 km S Longano (IS), on

  • 23-09-2019 07:33:24 (UTC)
  • 23-09-2019 09:33:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4960, 14.2500 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
Longano IS 3 690 690
Gallo Matese CE 4 579 1269
Castelpizzuto IS 5 155 1424
Letino CE 5 712 2136
Sant'Agapito IS 6 1496 3632
Monteroduni IS 7 2264 5896
Fontegreca CE 7 811 6707
Prata Sannita CE 8 1502 8209
Valle Agricola CE 8 890 9099
Roccamandolfi IS 8 938 10037
Capriati a Volturno CE 9 1541 11578
Ciorlano CE 9 426 12004
Pettoranello del Molise IS 9 460 12464
Macchia d'Isernia IS 10 1035 13499
Isernia IS 11 21842 35341
Castelpetroso IS 11 1680 37021
Pratella CE 12 1565 38586
Santa Maria del Molise IS 12 665 39251
Ailano CE 12 1369 40620
Cantalupo nel Sannio IS 12 739 41359
Carpinone IS 12 1157 42516
Pesche IS 13 1661 44177
San Massimo CB 13 855 45032
Montaquila IS 14 2456 47488
Raviscanina CE 14 1319 48807
Sant'Angelo d'Alife CE 15 2270 51077
Macchiagodena IS 15 1854 52931
Fornelli IS 15 1909 54840
Pozzilli IS 16 2380 57220
San Gregorio Matese CE 16 988 58208
Sesto Campano IS 17 2388 60596
Miranda IS 17 1047 61643
Colli a Volturno IS 17 1349 62992
Venafro IS 17 11280 74272
Filignano IS 17 648 74920
Sessano del Molise IS 17 727 75647
Castello del Matese CE 18 1494 77141
Bojano CB 19 8058 85199
Piedimonte Matese CE 19 11297 96496
Presenzano CE 19 1766 98262
Rocchetta a Volturno IS 20 1113 99375
Alife CE 20 7616 106991

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km N of Caserta (76326 inhabitants)
58 Km N of Aversa (53047 inhabitants)
60 Km NW of Benevento (60091 inhabitants)
62 Km N of Acerra (59573 inhabitants)
63 Km N of Giugliano in Campania (122974 inhabitants)
64 Km N of Afragola (65057 inhabitants)
66 Km N of Casoria (77642 inhabitants)
67 Km N of Marano di Napoli (59874 inhabitants)
73 Km N of Napoli (974074 inhabitants)
73 Km N of Pozzuoli (81661 inhabitants)
75 Km N of Portici (55274 inhabitants)
77 Km N of Ercolano (53709 inhabitants)
79 Km NW of Avellino (54857 inhabitants)
79 Km N of Torre del Greco (86275 inhabitants)
86 Km N of Scafati (50787 inhabitants)
91 Km N of Castellammare di Stabia (66466 inhabitants)
95 Km S of Chieti (51815 inhabitants)
96 Km NW of Cava de' Tirreni (53659 inhabitants)
97 Km W of San Severo (53905 inhabitants)
100 Km NW of Salerno (135261 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 1.3
ML 1.2
2019-09-23
07:33:24
41.4958 14.2497 11 2020-02-28
16:41:52
Bollettino Sismico Italiano INGV 72697231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-23 07:33:24 ± 0.1
Latitude 41.4958 ± 0.0054
Longitude 14.2497 ± 0.0096
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 72697231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 796
Semi-minor axis of confidence ellipse (meter) 437
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21943
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 7
Type of magnitude ML
Reference to an origin 72697231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-23 15:04:50

Md:1.3

Field Value
Value 1.3
Uncertainty 0.9
Num. used stations 3
Type of magnitude Md
Reference to an origin 72697231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-23 15:04:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ISPIC.HNZ. 2019-09-23T07:35:12.49 3.0 undecidable manual Sn -9.85 0
IV.MBFT.HHZ. 2019-09-23T07:35:11.60 3.0 undecidable manual Sg 12.9 0
IV.MARS.EHZ. 2019-09-23T07:34:58.50 3.0 undecidable manual Sn -7.09 0
SI.BOSI.HHZ. 2019-09-23T07:34:50.55 3.0 negative manual Pg 15.14 0
HL.VLS.HHZ. 2019-09-23T07:34:50.73 3.0 positive manual Pg 10.18 0
IV.EUCT.HNZ. 2019-09-23T07:34:50.61 3.0 undecidable manual Pg 16.26 0
GU.PCP.HHZ. 2019-09-23T07:34:48.06 3.0 undecidable manual Pg 14.4 0
IV.FNVD.HHZ. 2019-09-23T07:34:46.25 3.0 undecidable manual Sn -5.94 0
IV.IMI.HHZ. 2019-09-23T07:34:39.04 3.0 undecidable manual Pn 3.62 0
IV.QLNO.HHZ. 2019-09-23T07:34:32.22 3.0 positive manual Pn -1.64 0
GU.GRAM.HHZ. 2019-09-23T07:34:28.86 3.0 negative manual Pg 7.71 0
IV.CPGN.EHZ. 2019-09-23T07:34:27.59 3.0 undecidable manual Sn -4.09 0
IV.PII.HHZ. 2019-09-23T07:34:22.83 3.0 negative manual Pg 11.61 0
IV.ISPIC.EHZ. 2019-09-23T07:34:20.88 3.0 positive manual Pn -6.57 0
IV.ENIC.HHZ. 2019-09-23T07:34:17.05 3.0 negative manual Pn 1.06 0
IV.RAVA.EHZ. 2019-09-23T07:34:17.70 3.0 positive manual Pn 1.27 0
IV.CET2.HHZ. 2019-09-23T07:34:16.62 3.0 undecidable manual Sn -5.59 0
GU.CARD.HHZ. 2019-09-23T07:34:14.38 3.0 undecidable manual Pn 0.39 0
IV.BRSN.HNZ. 2019-09-23T07:34:12.32 3.0 negative manual Pg 6.67 0
IV.MSRU.HHZ. 2019-09-23T07:34:09.75 3.0 negative manual Pn 1.47 0
IV.SPS2.HHZ. 2019-09-23T07:34:07.07 3.0 negative manual Pg 8.67 0
IV.MCIV.CHZ. 2019-09-23T07:34:00.34 3.0 positive manual Pg 5.5 0
IV.MF5.EHZ. 2019-09-23T07:33:44.46 3.0 undecidable manual Pn 0.65 0
IV.RNI2.HNE. 2019-09-23T07:33:33.42 0.6 undecidable manual S 341 24.3534 50 0.31 47
IV.CERA.HHZ. 2019-09-23T07:33:32.78 0.3 undecidable manual S 301 22.2555 50 0.22 71
IV.SGG.HHZ. 2019-09-23T07:33:31.11 0.6 undecidable manual S 138 16.1727 123 0.39 47
IV.MIDA.HHZ. 2019-09-23T07:33:30.78 0.6 undecidable manual S 1 16.1727 123 0.07 50
IV.RNI2.HNE. 2019-09-23T07:33:29.22 0.1 undecidable manual P 341 24.3534 50 -0.05 99
IV.VAGA.HHZ. 2019-09-23T07:33:29.02 0.6 undecidable manual S 188 8.9799 139 0.2 49
IV.CERA.HHZ. 2019-09-23T07:33:28.76 0.3 positive manual P 301 22.2555 50 -0.19 98
IV.MIDA.HHZ. 2019-09-23T07:33:27.77 0.1 undecidable manual P 1 16.1727 123 -0.11 100
IV.SGG.HHZ. 2019-09-23T07:33:27.77 0.1 positive manual P 138 16.1727 123 -0.12 99
IV.VAGA.HHZ. 2019-09-23T07:33:26.63 0.1 positive manual P 188 8.9799 139 -0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HHN. ML:1.2 0.0001086 0.68 AML other m 2019-09-23T07:33:40.67
IV.SGG.HHE. ML:1.3 0.0001895 0.64 AML other m 2019-09-23T07:33:32.98
IV.CERA.HHE. ML:1.2 0.0001115 0.96 AML other m 2019-09-23T07:33:37.51
IV.SGG.HNN. ML:1.3 0.0001857356 0.3072 AML other m 2019-09-23T07:33:31.97
IV.MIDA.HHE. ML:1.0 0.00009513236 0.1792 AML other m 2019-09-23T07:33:34.36
IV.MIDA.HNE. ML:1.2 0.00012913763 0.16 AML other m 2019-09-23T07:33:33.80
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