Earthquake with magnitude of ML 1.4 on date 28-09-2020 and time 07:49:15 (UTC) in region 5 km E Sant'Angelo d'Alife (CE)

A magnitude ML 1.4 earthquake occured in region: 5 km E Sant'Angelo d'Alife (CE), on

  • 28-09-2020 07:49:15 (UTC)
  • 28-09-2020 09:49:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3820, 14.3130 at 11 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
Sant'Angelo d'Alife CE 5 2270 2270
San Gregorio Matese CE 5 988 3258
Castello del Matese CE 6 1494 4752
Piedimonte Matese CE 6 11297 16049
Raviscanina CE 6 1319 17368
Alife CE 6 7616 24984
Valle Agricola CE 7 890 25874
San Potito Sannitico CE 8 1925 27799
Ailano CE 9 1369 29168
Letino CE 10 712 29880
Baia e Latina CE 10 2197 32077
Prata Sannita CE 11 1502 33579
Pratella CE 11 1565 35144
Gallo Matese CE 12 579 35723
Dragoni CE 12 2108 37831
Roccamandolfi IS 13 938 38769
Fontegreca CE 14 811 39580
Roccaromana CE 14 856 40436
Pietravairano CE 14 2984 43420
Gioia Sannitica CE 14 3638 47058
San Massimo CB 15 855 47913
Ciorlano CE 15 426 48339
Alvignano CE 15 4824 53163
Castelpizzuto IS 16 155 53318
Vairano Patenora CE 16 6594 59912
Pietramelara CE 16 4722 64634
Longano IS 17 690 65324
Capriati a Volturno CE 17 1541 66865
Cusano Mutri BN 17 4091 70956
Cantalupo nel Sannio IS 17 739 71695
Bojano CB 18 8058 79753
San Polo Matese CB 18 470 80223
Liberi CE 18 1153 81376
Campochiaro CB 18 646 82022
Faicchio BN 18 3634 85656
Riardo CE 19 2321 87977
Monteroduni IS 19 2264 90241
Presenzano CE 20 1766 92007
Sant'Agapito IS 20 1496 93503
Santa Maria del Molise IS 20 665 94168
Formicola CE 20 1488 95656
Castelpetroso IS 20 1680 97336

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km N of Caserta (76326 inhabitants)
46 Km N of Aversa (53047 inhabitants)
48 Km NW of Benevento (60091 inhabitants)
49 Km N of Acerra (59573 inhabitants)
51 Km N of Afragola (65057 inhabitants)
51 Km N of Giugliano in Campania (122974 inhabitants)
53 Km N of Casoria (77642 inhabitants)
55 Km N of Marano di Napoli (59874 inhabitants)
60 Km N of Napoli (974074 inhabitants)
62 Km N of Portici (55274 inhabitants)
62 Km N of Pozzuoli (81661 inhabitants)
64 Km N of Ercolano (53709 inhabitants)
66 Km NW of Avellino (54857 inhabitants)
66 Km N of Torre del Greco (86275 inhabitants)
73 Km N of Scafati (50787 inhabitants)
78 Km N of Castellammare di Stabia (66466 inhabitants)
83 Km NW of Cava de' Tirreni (53659 inhabitants)
87 Km NW of Salerno (135261 inhabitants)
95 Km W of San Severo (53905 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
ML 1.4 2020-09-28
07:49:15
41.3817 14.3127 11 2021-02-26
14:56:06
Bollettino Sismico Italiano INGV 84830351
Reviewed
Rev100
ML 1.5 2020-09-28
07:49:15
41.3843 14.3103 12 2020-09-28
08:01:59
Sala Sismica INGV-Roma 83326781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-28 07:49:15 ± 0.09
Latitude 41.3817 ± 0.0072
Longitude 14.3127 ± 0.0084
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 84830351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 893
Semi-minor axis of confidence ellipse (meter) 606
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 216
Circular confidence region, given by single value of horizontal uncertainty (meter) 890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34264
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 84830351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-18 19:08:58

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 83326781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-28 08:01:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ECTS.HHZ. 2020-09-28T07:51:01.75 3.0 undecidable manual Sg 10.88 0
GU.RRL.HHZ. 2020-09-28T07:50:48.51 3.0 undecidable manual Pn 7.71 0
IV.MTRZ.HNZ. 2020-09-28T07:50:36.35 3.0 undecidable manual Sn -1.78 0
IV.ISPIC.HNZ. 2020-09-28T07:50:26.49 3.0 negative manual Pg 6.17 0
GU.CANO.HHZ. 2020-09-28T07:50:26.05 3.0 undecidable manual Pn 2.29 0
XK.GIZZ.HHZ. 2020-09-28T07:50:22.50 3.0 undecidable manual Sn -6.55 0
CR.STON.BHZ. 2020-09-28T07:50:13.12 3.0 undecidable manual Sn 0.05 0
IV.ZCCA.HHZ. 2020-09-28T07:50:10.82 3.0 negative manual Pg 9.01 0
GU.GSCL.HHZ. 2020-09-28T07:50:09.03 3.0 undecidable manual Pn 4.27 0
XK.GIZZ.HHZ. 2020-09-28T07:49:58.44 3.0 negative manual Pg 5.34 0
IV.FRON.EHZ. 2020-09-28T07:49:44.62 3.0 negative manual Pg 3.23 0
OT.OT13.EHZ. 2020-09-28T07:49:38.12 3.0 undecidable manual Sn -2.14 0
IV.SACR.HNZ. 2020-09-28T07:49:27.17 0.6 undecidable manual S 87 32.745 90 0.57 42
IV.CERA.HNZ. 2020-09-28T07:49:27.49 1.0 undecidable manual S 315 34.2435 90 0.5 22
IV.VITU.HHN. 2020-09-28T07:49:26.83 0.6 undecidable manual S 130 34.4433 90 -0.21 46
IV.MIDA.HHE. 2020-09-28T07:49:25.55 0.6 undecidable manual S 350 29.2485 90 -0.12 47
IV.VITU.HHN. 2020-09-28T07:49:22.84 1.0 undecidable manual P 130 34.4433 90 0.72 20
IV.RNI2.HHE. 2020-09-28T07:49:22.66 0.6 undecidable manual P 340 38.0286 90 -0.02 47
IV.CERA.HNZ. 2020-09-28T07:49:22.96 1.0 undecidable manual P 315 34.2435 90 0.87 19
IV.VCEL.EHZ. 2020-09-28T07:49:22.42 3.0 undecidable manual P -0.15 0
IV.SACR.HNZ. 2020-09-28T07:49:21.83 0.3 undecidable manual P 87 32.745 90 -0.03 71
IV.BSSO.HNN. 2020-09-28T07:49:21.33 0.1 undecidable manual P 52 29.6481 90 -0.05 95
IV.VAGA.HHZ. 2020-09-28T07:49:20.29 0.6 undecidable manual S 300 7.4814 133 0.25 47
IV.MIDA.HHE. 2020-09-28T07:49:20.92 0.1 undecidable manual P 350 29.2485 90 -0.4 88
IV.PIGN.HHZ. 2020-09-28T07:49:20.21 0.1 undecidable manual P 209 22.9548 90 -0.14 94
IV.SGG.HHZ. 2020-09-28T07:49:19.61 0.6 undecidable manual S 84 5.5944 144 -0.09 50
IV.VAGA.HHZ. 2020-09-28T07:49:18.12 0.1 negative manual P 300 7.4814 133 0.04 99
IV.SGG.HHZ. 2020-09-28T07:49:17.82 0.1 undecidable manual P 84 5.5944 144 -0.06 100
IV.PTRJ.HHZ. 2020-09-28T07:49:17.81 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VAGA.HNE. ML:1.5 0.00042800000000000005 0.14 AML other m 2020-09-28T07:49:22.34
IV.VAGA.HHE. ML:1.5 0.00046865659999999995 0.1408 AML other m 2020-09-28T07:49:22.34
IV.SGG.HHN. ML:1.3 0.00027691140000000005 0.096 AML other m 2020-09-28T07:49:20.47
IV.SGG.HNN. ML:1.2 0.00025109595 0.096 AML other m 2020-09-28T07:49:20.52
IV.SGG.HHE. ML:1.4 0.00034336254999999997 0.1984 AML other m 2020-09-28T07:49:20.16
IV.SGG.HNE. ML:1.4 0.00035930045 0.2112 AML other m 2020-09-28T07:49:20.26
IV.VAGA.HNN. ML:1.6 0.0005560296499999999 0.16 AML other m 2020-09-28T07:49:21.77
IV.VAGA.HHN. ML:1.6 0.0006036171999999999 0.16 AML other m 2020-09-28T07:49:21.77
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