Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 19-09-2020 and time 05:24:24 (UTC) in region 3 km NE San Pietro Avellana (IS)

A magnitude ML 1.8 earthquake occured in region: 3 km NE San Pietro Avellana (IS), on

  • 19-09-2020 05:24:24 (UTC)
  • 19-09-2020 07:24:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8140, 14.2000 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 3 503 503
Ateleta AQ 5 1181 1684
Castel del Giudice IS 5 346 2030
Capracotta IS 6 903 2933
Vastogirardi IS 7 704 3637
Castel di Sangro AQ 8 6538 10175
Sant'Angelo del Pesco IS 9 364 10539
Gamberale CH 10 320 10859
Roccaraso AQ 11 1627 12486
Pescopennataro IS 11 285 12771
Rionero Sannitico IS 12 1118 13889
Pizzoferrato CH 13 1130 15019
Rivisondoli AQ 13 700 15719
Roccasicura IS 13 550 16269
Forlì del Sannio IS 13 675 16944
Carovilli IS 14 1359 18303
Agnone IS 14 5139 23442
Pescocostanzo AQ 14 1128 24570
Quadri CH 15 815 25385
Borrello CH 15 354 25739
Scontrone AQ 15 574 26313
Montenero Val Cocchiara IS 16 538 26851
Rosello CH 16 237 27088
Acquaviva d'Isernia IS 16 425 27513
Alfedena AQ 16 864 28377
Civitaluparella CH 17 351 28728
Pietrabbondante IS 17 759 29487
Castelverrino IS 17 115 29602
Fallo CH 17 139 29741
Poggio Sannita IS 18 702 30443
Roio del Sangro CH 18 103 30546
Barrea AQ 18 726 31272
Belmonte del Sannio IS 19 768 32040
Montenerodomo CH 19 690 32730
Pescolanciano IS 19 855 33585
Miranda IS 19 1047 34632
Cerro al Volturno IS 19 1281 35913
Palena CH 20 1392 37305
Villa Santa Maria CH 20 1346 38651

Municipalities with at least 50000 inhabitants

An earthquake occurred to
60 Km S of Chieti (51815 inhabitants)
73 Km S of Pescara (121014 inhabitants)
78 Km S of Montesilvano (53738 inhabitants)
83 Km N of Caserta (76326 inhabitants)
89 Km SE of L'Aquila (69753 inhabitants)
90 Km NW of Benevento (60091 inhabitants)
93 Km N of Aversa (53047 inhabitants)
98 Km N of Acerra (59573 inhabitants)
98 Km N of Giugliano in Campania (122974 inhabitants)
99 Km W of San Severo (53905 inhabitants)
100 Km N of Afragola (65057 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 1.8 2020-09-19
05:24:24		 41.814 14.2003 10 2021-02-26
14:56:15		 Bollettino Sismico Italiano INGV 86231691
Reviewed
Rev100 		ML 1.9 2020-09-19
05:24:24		 41.8153 14.2132 9 2020-09-19
05:30:14		 Sala Sismica INGV-Roma 83019371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-19 05:24:24 ± 0.11
Latitude 41.8140 ± 0.0063
Longitude 14.2003 ± 0.0109
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86231691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 755
Semi-minor axis of confidence ellipse (meter) 676
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 100
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 23
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) 0.63852
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 38
Type of magnitude ML
Reference to an origin 86231691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-09 20:49:40

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 83019371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-19 05:30:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VENT.EHZ. 2020-09-19T05:25:05.54 3.0 undecidable manual S 0.51 0
IV.SGRT.HHZ. 2020-09-19T05:25:04.10 3.0 undecidable manual S 0.07 0
IV.VULT.HHZ. 2020-09-19T05:24:52.00 3.0 undecidable manual P 2.33 0
IV.RMP.HHZ. 2020-09-19T05:24:43.57 3.0 negative manual P -2.6 0
IV.VCEL.EHN. 2020-09-19T05:24:37.48 0.6 undecidable manual P 335 70.8735 50 0.68 39
IV.SACR.HNN. 2020-09-19T05:24:35.47 0.6 undecidable manual P 138 62.3931 50 -0.02 47
IV.PTRJ.HNN. 2020-09-19T05:24:35.27 0.6 undecidable manual P 151 56.8986 50 0.63 41
IV.T0110.HHZ. 2020-09-19T05:24:34.65 0.3 undecidable manual P 323 57.7977 50 -0.14 70
IV.CERA.HHZ. 2020-09-19T05:24:34.51 0.6 undecidable manual S 212 28.3494 50 -0.06 50
IV.LPEL.HHZ. 2020-09-19T05:24:33.87 0.3 undecidable manual S 357 25.8519 50 -0.05 75
IV.SGG.HHZ. 2020-09-19T05:24:33.24 0.3 undecidable manual P 163 49.7169 50 -0.29 69
IV.MCI.EHE. 2020-09-19T05:24:33.90 0.6 undecidable manual P 222 48.1185 50 0.61 42
IV.VAGA.HHZ. 2020-09-19T05:24:32.36 0.6 undecidable manual P 176 44.3223 50 -0.35 46
IV.POFI.HHZ. 2020-09-19T05:24:32.10 0.3 undecidable manual P 255 41.8248 50 -0.22 71
IV.VVLD.HHZ. 2020-09-19T05:24:32.92 0.6 undecidable manual P 278 48.1185 50 -0.37 45
IT.SULA.HNN. 2020-09-19T05:24:32.51 0.6 undecidable manual P 321 37.1295 50 0.92 38
IV.BSSO.HHZ. 2020-09-19T05:24:32.97 0.3 undecidable manual P 132 44.1225 50 0.29 69
IT.OPI.HGE. 2020-09-19T05:24:31.09 0.3 undecidable manual P 262 30.8469 50 0.45 69
IV.MIDA.HHZ. 2020-09-19T05:24:31.81 0.3 undecidable manual S 167 19.5693 117 -0.16 74
IT.SULP.HGN. 2020-09-19T05:24:31.06 0.6 undecidable manual P 323 37.5291 50 -0.61 43
IV.RNI2.HHZ. 2020-09-19T05:24:30.03 0.3 undecidable manual S 198 12.876 128 0.03 77
IV.INTR.HHZ. 2020-09-19T05:24:30.80 0.3 undecidable manual P 312 32.8449 50 -0.13 73
IV.TRIV.HHZ. 2020-09-19T05:24:30.44 0.3 undecidable manual P 100 29.4483 50 0.03 75
IV.LPEL.HHZ. 2020-09-19T05:24:29.62 0.1 undecidable manual P 357 25.8519 50 -0.24 96
IV.CERA.HHZ. 2020-09-19T05:24:29.98 0.3 undecidable manual P 212 28.3494 50 -0.26 72
IV.MIDA.HHZ. 2020-09-19T05:24:28.62 0.1 negative manual P 167 19.5693 117 -0.12 100
IV.RNI2.HHZ. 2020-09-19T05:24:27.79 0.1 undecidable manual P 198 12.876 128 0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RNI2.HHN. ML:2.2 0.001616125 0.1184 AML other m 2020-09-19T05:24:32.38
IV.RNI2.HNN. ML:2.2 0.0015078635 0.1408 AML other m 2020-09-19T05:24:32.38
IV.MIDA.HHE. ML:2.1 0.0010342813 0.1408 AML other m 2020-09-19T05:24:32.47
IV.MIDA.HNN. ML:2.1 0.0009400979000000001 0.1408 AML other m 2020-09-19T05:24:32.47
IV.MIDA.HNE. ML:2.2 0.0012131135 0.1216 AML other m 2020-09-19T05:24:32.68
IV.MIDA.HHN. ML:2.2 0.0013359840000000001 0.1408 AML other m 2020-09-19T05:24:32.67
IV.RNI2.HNE. ML:2.1 0.001435 0.82 AML other m 2020-09-19T05:24:33.41
IV.RNI2.HHE. ML:2.2 0.0015049999999999998 0.82 AML other m 2020-09-19T05:24:33.41
IV.LPEL.HNN. ML:1.9 0.00045900000000000004 1.22 AML other m 2020-09-19T05:24:35.08
IV.LPEL.HHN. ML:2.0 0.0005045 1.22 AML other m 2020-09-19T05:24:35.08
IV.INTR.HNN. ML:1.8 0.00030750595 0.24 AML other m 2020-09-19T05:24:37.49
IV.INTR.HHE. ML:1.7 0.00022312875 0.2208 AML other m 2020-09-19T05:24:37.33
IV.INTR.HNE. ML:1.7 0.00020385665 0.1792 AML other m 2020-09-19T05:24:37.35
IV.LPEL.HNE. ML:2.0 0.00055642345 0.1888 AML other m 2020-09-19T05:24:37.90
IV.LPEL.HHE. ML:2.0 0.000606 0.16 AML other m 2020-09-19T05:24:37.90
IV.TRIV.HNN. ML:1.6 0.00018838765000000002 0.4192 AML other m 2020-09-19T05:24:38.54
IV.TRIV.HHN. ML:1.6 0.0002039285 0.4192 AML other m 2020-09-19T05:24:38.54
IV.POFI.HHE. ML:1.5 0.000105954165 0.4608 AML other m 2020-09-19T05:24:39.54
IV.POFI.HNE. ML:1.6 0.00013152175 0.352 AML other m 2020-09-19T05:24:39.60
IV.CERA.HNN. ML:1.8 0.000315 0.28 AML other m 2020-09-19T05:24:40.44
IV.CERA.HHN. ML:1.8 0.000332 0.28 AML other m 2020-09-19T05:24:40.44
IV.BSSO.HHN. ML:1.8 0.00021106395 0.6176 AML other m 2020-09-19T05:24:41.05
IV.BSSO.HNN. ML:1.8 0.0001964342 0.5984 AML other m 2020-09-19T05:24:41.06
IV.CERA.HHE. ML:1.8 0.000333 0.66 AML other m 2020-09-19T05:24:41.37
IV.CERA.HNE. ML:1.8 0.0003285 0.64 AML other m 2020-09-19T05:24:41.37
IV.POFI.HHN. ML:1.5 0.00009465 0.2 AML other m 2020-09-19T05:24:41.69
IV.BSSO.HNE. ML:1.8 0.0001735 0.26 AML other m 2020-09-19T05:24:43.01
IV.BSSO.HHE. ML:1.8 0.00017653695 0.2592 AML other m 2020-09-19T05:24:43.01
IV.INTR.HHN. ML:1.9 0.0003460375 0.4992 AML other m 2020-09-19T05:24:43.32
IV.TRIV.HHE. ML:1.7 0.00025410645 0.6176 AML other m 2020-09-19T05:24:45.02
IV.TRIV.HNE. ML:1.7 0.0002502181 0.6176 AML other m 2020-09-19T05:24:45.02
IV.T0110.HHE. ML:2.1 0.0002515 0.3 AML other m 2020-09-19T05:24:45.04
IV.VVLD.HNE. ML:1.7 0.000129093825 0.4 AML other m 2020-09-19T05:24:45.22
IV.T0110.HHN. ML:1.9 0.00018449999999999999 0.52 AML other m 2020-09-19T05:24:45.10
IV.VVLD.HHE. ML:1.6 0.00012206510000000001 0.3424 AML other m 2020-09-19T05:24:46.91
IV.POFI.HNN. ML:1.7 0.00014946631 0.7296 AML other m 2020-09-19T05:24:48.50
IV.VVLD.HNN. ML:1.7 0.000127001355 0.5216 AML other m 2020-09-19T05:24:50.06
IV.VVLD.HHN. ML:1.7 0.000138692095 0.4608 AML other m 2020-09-19T05:24:50.06
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