Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 23-09-2022 and time 13:53:37 (UTC) in region 4 km SE San Pietro Avellana (IS)

A magnitude ML 1.2 earthquake occured in region: 4 km SE San Pietro Avellana (IS), on

  • 23-09-2022 13:53:37 (UTC)
  • 23-09-2022 15:53:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7620, 14.2100 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Pietro Avellana IS 4 503 503
Vastogirardi IS 4 704 1207
Roccasicura IS 7 550 1757
Forlì del Sannio IS 8 675 2432
Rionero Sannitico IS 8 1118 3550
Castel di Sangro AQ 9 6538 10088
Carovilli IS 9 1359 11447
Capracotta IS 9 903 12350
Ateleta AQ 11 1181 13531
Castel del Giudice IS 11 346 13877
Acquaviva d'Isernia IS 11 425 14302
Montenero Val Cocchiara IS 13 538 14840
Miranda IS 13 1047 15887
Pescolanciano IS 14 855 16742
Agnone IS 14 5139 21881
Sant'Angelo del Pesco IS 14 364 22245
Scontrone AQ 14 574 22819
Roccaraso AQ 14 1627 24446
Alfedena AQ 15 864 25310
Cerro al Volturno IS 15 1281 26591
Pescopennataro IS 15 285 26876
Pietrabbondante IS 15 759 27635
Castelverrino IS 16 115 27750
Gamberale CH 16 320 28070
Castel San Vincenzo IS 17 516 28586
Poggio Sannita IS 17 702 29288
Sessano del Molise IS 17 727 30015
Rivisondoli AQ 17 700 30715
Chiauci IS 17 233 30948
Pesche IS 18 1661 32609
Pizzone IS 18 329 32938
Barrea AQ 18 726 33664
Pizzoferrato CH 18 1130 34794
Fornelli IS 18 1909 36703
Rocchetta a Volturno IS 18 1113 37816
Pescocostanzo AQ 19 1128 38944
Belmonte del Sannio IS 19 768 39712
Civitanova del Sannio IS 19 945 40657
Isernia IS 19 21842 62499
Borrello CH 19 354 62853
Rosello CH 20 237 63090
Quadri CH 20 815 63905
Colli a Volturno IS 20 1349 65254

Municipalities with at least 50000 inhabitants

An earthquake occurred to
66 Km S of Chieti (51815 inhabitants)
77 Km N of Caserta (76326 inhabitants)
78 Km S of Pescara (121014 inhabitants)
84 Km S of Montesilvano (53738 inhabitants)
85 Km NW of Benevento (60091 inhabitants)
88 Km N of Aversa (53047 inhabitants)
92 Km N of Acerra (59573 inhabitants)
93 Km N of Giugliano in Campania (122974 inhabitants)
94 Km N of Afragola (65057 inhabitants)
94 Km SE of L'Aquila (69753 inhabitants)
95 Km N of Casoria (77642 inhabitants)
96 Km N of Marano di Napoli (59874 inhabitants)
98 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 1.2 2022-09-23
13:53:37		 41.7617 14.2102 11 2024-03-01
15:27:55		 Bollettino Sismico Italiano INGV 110071281
Reviewed
Rev100 		ML 1.2 2022-09-23
13:53:37		 41.7677 14.2207 10 2022-09-23
14:01:12		 Sala Sismica INGV-Roma 110055261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-23 13:53:37 ± 0.1
Latitude 41.7617 ± 0.0063
Longitude 14.2102 ± 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 110071281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 812
Semi-minor axis of confidence ellipse (meter) 597
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 139
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47934
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 110055261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-23 14:01:12

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 110071281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-07-04 08:52:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATPI.EHZ. 2022-09-23T13:54:44.16 3.0 undecidable manual Sg 4.45 0
IV.LRP.EHN. 2022-09-23T13:53:55.22 0.6 undecidable manual S 256 53.2023 50 0.61 44
IV.VVLD.HHZ. 2022-09-23T13:53:53.65 0.3 undecidable manual S 284 50.0166 50 -0.11 74
IV.POFI.HHZ. 2022-09-23T13:53:52.28 0.6 undecidable manual S 263 41.5251 50 0.78 42
IT.SULP.HGN. 2022-09-23T13:53:52.27 0.6 undecidable manual S 327 42.8238 50 0.43 47
IV.INTR.HHZ. 2022-09-23T13:53:50.53 0.3 undecidable manual S 318 37.5291 50 0.11 76
IV.VAGA.HHZ. 2022-09-23T13:53:50.23 0.6 undecidable manual S 177 38.4282 50 -0.45 45
IT.OPI.HGE. 2022-09-23T13:53:49.03 0.6 undecidable manual S 273 31.4463 50 0.22 50
IV.LPEL.HHZ. 2022-09-23T13:53:48.94 0.6 undecidable manual S 356 31.746 50 0.06 52
IV.LRP.EHN. 2022-09-23T13:53:47.41 0.3 undecidable manual P 256 53.2023 50 -0.11 74
IV.CERA.HHZ. 2022-09-23T13:53:47.07 0.3 undecidable manual S 221 24.1536 50 0.21 77
IV.VVLD.HHZ. 2022-09-23T13:53:46.72 0.1 undecidable manual P 284 50.0166 50 -0.31 95
IV.VAGA.HHZ. 2022-09-23T13:53:45.50 1.0 undecidable manual P 177 38.4282 50 0.25 25
IT.SULP.HGN. 2022-09-23T13:53:45.66 0.6 undecidable manual P 327 42.8238 50 -0.26 49
IV.POFI.HHZ. 2022-09-23T13:53:45.59 0.1 positive manual P 263 41.5251 50 -0.13 100
IV.INTR.HHZ. 2022-09-23T13:53:44.84 0.1 positive manual P 318 37.5291 50 -0.26 98
IT.OPI.HGE. 2022-09-23T13:53:44.07 0.3 undecidable manual P 273 31.4463 50 -0.1 77
IV.PABO.HHZ. 2022-09-23T13:53:44.56 0.6 undecidable manual S 95 14.6742 126 0.46 49
IV.LPEL.HHZ. 2022-09-23T13:53:44.09 0.3 undecidable manual P 356 31.746 50 -0.12 76
IV.CERA.HHZ. 2022-09-23T13:53:43.30 0.3 undecidable manual P 221 24.1536 50 0.26 76
IV.RNI2.HHZ. 2022-09-23T13:53:42.61 0.3 undecidable manual S 216 8.0808 143 0.19 77
IV.PABO.HHZ. 2022-09-23T13:53:41.73 0.3 undecidable manual P 95 14.6742 126 0.28 76
IV.RNI2.HHZ. 2022-09-23T13:53:39.85 0.1 positive manual P 216 8.0808 143 -0.63 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RNI2.HNE. ML:1.2 0.000227 1.42 AML other m 2022-09-23T13:53:43.80
IV.RNI2.HHE. ML:1.3 0.0002505 1.42 AML other m 2022-09-23T13:53:43.80
IV.RNI2.HHN. ML:1.3 0.000257 0.76 AML other m 2022-09-23T13:53:43.29
IV.RNI2.HNN. ML:1.2 0.00023999999999999998 0.76 AML other m 2022-09-23T13:53:43.29
IV.LPEL.HHN. ML:1.2 0.00007664999999999999 0.86 AML other m 2022-09-23T13:53:49.28
IV.LPEL.HHE. ML:1.2 0.00006375 0.86 AML other m 2022-09-23T13:53:49.56
IV.INTR.HHE. ML:1.1 0.00005205 0.14 AML other m 2022-09-23T13:53:50.83
IV.INTR.HHN. ML:1.3 0.00007355 0.7 AML other m 2022-09-23T13:53:51.44
IV.VVLD.HHE. ML:1.2 0.00004165 1.66 AML other m 2022-09-23T13:53:54.05
IV.VVLD.HHN. ML:1.2 0.0000461 1.62 AML other m 2022-09-23T13:53:55.95
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