Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 20-11-2020 and time 02:44:51 (Italy) in region 2 km N Pescolanciano (IS)

A magnitude ML 1.1 earthquake occured in region: 2 km N Pescolanciano (IS), on

  • 20-11-2020 01:44:51 (UTC)
  • 20-11-2020 02:44:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7000, 14.3380 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.

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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
Pescolanciano IS 2 855 855
Carovilli IS 4 1359 2214
Chiauci IS 5 233 2447
Civitanova del Sannio IS 7 945 3392
Sessano del Molise IS 7 727 4119
Pietrabbondante IS 7 759 4878
Roccasicura IS 9 550 5428
Castelverrino IS 9 115 5543
Miranda IS 10 1047 6590
Bagnoli del Trigno IS 10 735 7325
Vastogirardi IS 11 704 8029
Poggio Sannita IS 11 702 8731
Pesche IS 11 1661 10392
Duronia CB 11 405 10797
Carpinone IS 12 1157 11954
Agnone IS 12 5139 17093
Forlì del Sannio IS 13 675 17768
Frosolone IS 14 3170 20938
Pettoranello del Molise IS 15 460 21398
Molise CB 15 167 21565
Salcito CB 15 683 22248
Pietracupa CB 15 215 22463
Castelpetroso IS 16 1680 24143
Isernia IS 16 21842 45985
Belmonte del Sannio IS 16 768 46753
Acquaviva d'Isernia IS 16 425 47178
Capracotta IS 16 903 48081
San Pietro Avellana IS 16 503 48584
Rionero Sannitico IS 16 1118 49702
Santa Maria del Molise IS 17 665 50367
Macchiagodena IS 17 1854 52221
Torella del Sannio CB 17 795 53016
Fossalto CB 18 1345 54361
Sant'Elena Sannita IS 18 275 54636
Schiavi di Abruzzo CH 18 860 55496
Fornelli IS 19 1909 57405
Castel del Giudice IS 19 346 57751
Sant'Agapito IS 20 1496 59247

Municipalities with at least 50000 inhabitants

An earthquake occurred to
69 Km N of Caserta (76326 inhabitants)
73 Km NW of Benevento (60091 inhabitants)
74 Km S of Chieti (51815 inhabitants)
82 Km N of Aversa (53047 inhabitants)
84 Km N of Acerra (59573 inhabitants)
86 Km S of Pescara (121014 inhabitants)
86 Km N of Afragola (65057 inhabitants)
87 Km N of Giugliano in Campania (122974 inhabitants)
87 Km W of San Severo (53905 inhabitants)
88 Km N of Casoria (77642 inhabitants)
90 Km N of Marano di Napoli (59874 inhabitants)
92 Km S of Montesilvano (53738 inhabitants)
95 Km NW of Avellino (54857 inhabitants)
96 Km N of Napoli (974074 inhabitants)
97 Km N of Pozzuoli (81661 inhabitants)
97 Km N of Portici (55274 inhabitants)
99 Km N of Ercolano (53709 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 1.1 2020-11-20
01:44:51		 41.7002 14.3382 11 2021-02-26
14:56:12		 Bollettino Sismico Italiano INGV 85965821
Reviewed
Rev100 		ML 1.2 2020-11-20
01:44:50		 41.7093 14.3948 9 2020-11-20
03:31:24		 Sala Sismica INGV-Roma 84862351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-20 01:44:51 ± 0.19
Latitude 41.7002 ± 0.0081
Longitude 14.3382 ± 0.0132
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 85965821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1202
Semi-minor axis of confidence ellipse (meter) 835
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.44876
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 85965821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-02 10:57:17

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 84862351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-20 03:31:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2020-11-20T01:45:07.53 0.3 undecidable manual S 314 49.8168 50 0.18 69
IV.VAGA.HHZ. 2020-11-20T01:45:03.15 0.3 undecidable manual S 195 32.745 50 0.34 68
IV.CERA.HNZ. 2020-11-20T01:45:01.63 0.3 undecidable manual S 247 28.8489 50 -0.13 72
IV.INTR.HHZ. 2020-11-20T01:45:00.39 0.3 positive manual P 314 49.8168 50 -0.26 67
IV.RNI2.HHZ. 2020-11-20T01:44:58.72 0.3 undecidable manual S 271 15.3735 124 0.75 62
IV.LPEL.HHE. 2020-11-20T01:44:58.92 0.3 undecidable manual P 342 40.5261 50 -0.3 68
IV.SGG.HHN. 2020-11-20T01:44:58.27 0.6 undecidable manual P 174 34.9428 50 -0.09 48
IV.CERA.HNZ. 2020-11-20T01:44:57.12 0.3 undecidable manual P 247 28.8489 50 -0.3 69
IV.BSSO.HHE. 2020-11-20T01:44:57.55 0.1 undecidable manual P 129 27.2505 50 0.38 91
IV.VAGA.HHZ. 2020-11-20T01:44:57.87 0.1 undecidable manual P 195 32.745 50 -0.15 95
IV.MIDA.HHZ. 2020-11-20T01:44:55.89 0.3 undecidable manual S 227 9.4794 138 -0.53 68
IV.RNI2.HHZ. 2020-11-20T01:44:55.39 0.1 undecidable manual P 271 15.3735 124 0.16 98
IV.MIDA.HHZ. 2020-11-20T01:44:54.25 0.1 positive manual P 227 9.4794 138 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MIDA.HHN. ML:1.0 0.0001391215 0.14 AML other m 2020-11-20T01:44:56.95
IV.MIDA.HHE. ML:1.1 0.00015620429999999998 0.12 AML other m 2020-11-20T01:44:57.29
IV.RNI2.HNE. ML:1.4 0.0002045 0.78 AML other m 2020-11-20T01:44:59.91
IV.RNI2.HHE. ML:1.3 0.00020250000000000002 0.76 AML other m 2020-11-20T01:44:59.90
IV.RNI2.HNN. ML:1.1 0.00010681189499999999 0.14 AML other m 2020-11-20T01:44:59.59
IV.RNI2.HHN. ML:1.2 0.0001315 0.38 AML other m 2020-11-20T01:44:59.59
IV.VAGA.HHE. ML:1.0 0.00004675 0.48 AML other m 2020-11-20T01:45:03.93
IV.VAGA.HHN. ML:1.0 0.0000452 0.3 AML other m 2020-11-20T01:45:03.88
IV.MIDA.HNE. ML:1.0 0.0001306482 0.2 AML other m 2020-11-20T01:44:57.23
IV.MIDA.HNN. ML:1.1 0.00016323975 0.3 AML other m 2020-11-20T01:44:57.29
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