Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 03-11-2020 and time 04:37:20 (Italy) in region Santa Maria del Molise (IS)

A magnitude ML 1.1 earthquake occured in region: Santa Maria del Molise (IS), on

  • 03-11-2020 03:37:20 (UTC)
  • 03-11-2020 04:37:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.5500, 14.3720 at 18 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Santa Maria del Molise IS 0 665 665
Castelpetroso IS 3 1680 2345
Macchiagodena IS 3 1854 4199
Cantalupo nel Sannio IS 4 739 4938
Carpinone IS 6 1157 6095
Roccamandolfi IS 7 938 7033
San Massimo CB 7 855 7888
Castelpizzuto IS 7 155 8043
Pettoranello del Molise IS 8 460 8503
Frosolone IS 9 3170 11673
Sant'Elena Sannita IS 9 275 11948
Spinete CB 10 1320 13268
Pesche IS 10 1661 14929
Sessano del Molise IS 11 727 15656
Longano IS 11 690 16346
Bojano CB 11 8058 24404
Sant'Agapito IS 13 1496 25900
Isernia IS 13 21842 47742
Colle d'Anchise CB 13 807 48549
Civitanova del Sannio IS 14 945 49494
Casalciprano CB 14 564 50058
Molise CB 14 167 50225
Duronia CB 14 405 50630
San Polo Matese CB 14 470 51100
Chiauci IS 14 233 51333
Pescolanciano IS 15 855 52188
Letino CE 15 712 52900
Miranda IS 15 1047 53947
Gallo Matese CE 15 579 54526
Campochiaro CB 16 646 55172
Busso CB 16 1273 56445
Baranello CB 16 2673 59118
Torella del Sannio CB 16 795 59913
Monteroduni IS 17 2264 62177
Valle Agricola CE 17 890 63067
Macchia d'Isernia IS 17 1035 64102
Castropignano CB 18 947 65049
San Gregorio Matese CE 18 988 66037
Oratino CB 18 1641 67678
Fontegreca CE 19 811 68489
Bagnoli del Trigno IS 19 735 69224
Guardiaregia CB 19 801 70025
Vinchiaturo CB 19 3324 73349
Prata Sannita CE 19 1502 74851
Pietracupa CB 19 215 75066
Carovilli IS 19 1359 76425

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km N of Caserta (76326 inhabitants)
58 Km NW of Benevento (60091 inhabitants)
66 Km N of Aversa (53047 inhabitants)
67 Km N of Acerra (59573 inhabitants)
70 Km N of Afragola (65057 inhabitants)
70 Km N of Giugliano in Campania (122974 inhabitants)
72 Km N of Casoria (77642 inhabitants)
74 Km N of Marano di Napoli (59874 inhabitants)
79 Km NW of Avellino (54857 inhabitants)
80 Km N of Napoli (974074 inhabitants)
81 Km N of Portici (55274 inhabitants)
82 Km N of Pozzuoli (81661 inhabitants)
82 Km N of Ercolano (53709 inhabitants)
85 Km N of Torre del Greco (86275 inhabitants)
85 Km W of San Severo (53905 inhabitants)
90 Km N of Scafati (50787 inhabitants)
91 Km S of Chieti (51815 inhabitants)
95 Km N of Castellammare di Stabia (66466 inhabitants)
98 Km W of Foggia (151991 inhabitants)
98 Km N of Cava de' Tirreni (53659 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
Reviewed
Rev100 		ML 1.1 2020-11-03
03:37:20		 41.5498 14.3722 18 2020-11-03
03:43:52		 Sala Sismica INGV-Roma 84406131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-03 03:37:20 ± 0.13
Latitude 41.5498 ± 0.0072
Longitude 14.3722 ± 0.0144
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84406131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1205
Semi-minor axis of confidence ellipse (meter) 629
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
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) 90
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) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.12770
Epicentral distance of station farthest from the epicenter (degree) 0.29228
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 84406131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-03 03:43:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERA.HHZ. 2020-11-03T03:37:31.33 0.6 undecidable manual S 280 29.8479 110 0.39 47
IV.RNI2.HHZ. 2020-11-03T03:37:29.66 0.3 undecidable manual S 313 24.9528 115 -0.07 74
IV.SGG.HHZ. 2020-11-03T03:37:28.14 0.3 undecidable manual S 178 18.0708 126 -0.02 76
IV.VAGA.HHZ. 2020-11-03T03:37:28.55 0.3 undecidable manual S 218 18.7701 125 0.24 74
IV.MIDA.HHZ. 2020-11-03T03:37:27.56 0.3 undecidable manual S 316 14.1747 135 0.21 75
IV.SACR.HNE. 2020-11-03T03:37:26.93 0.3 undecidable manual P 121 32.4453 108 0.16 72
IV.CERA.HHZ. 2020-11-03T03:37:26.36 0.1 undecidable manual P 280 29.8479 110 -0.03 99
IV.TRIV.HHZ. 2020-11-03T03:37:26.30 0.1 undecidable manual P 31 28.2495 112 0.14 97
IV.RNI2.HHZ. 2020-11-03T03:37:25.76 0.1 undecidable manual P 313 24.9528 115 0.07 100
IV.PTRJ.HHZ. 2020-11-03T03:37:25.61 0.3 undecidable manual P 148 24.3534 116 0 75
IV.VAGA.HHZ. 2020-11-03T03:37:24.74 0.1 undecidable manual P 218 18.7701 125 -0.13 99
IV.SGG.HHZ. 2020-11-03T03:37:24.65 0.1 undecidable manual P 178 18.0708 126 -0.14 100
IV.MIDA.HHZ. 2020-11-03T03:37:23.82 0.1 undecidable manual P 316 14.1747 135 -0.5 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SGG.HHE. ML:1.2 0.0001001 1.26 AML other m 2020-11-03T03:37:29.07
IV.VAGA.HHE. ML:1.2 0.00010015000000000001 1.66 AML other m 2020-11-03T03:37:29.90
IV.RNI2.HHN. ML:1.0 0.00005545 0.7 AML other m 2020-11-03T03:37:30.33
IV.RNI2.HHE. ML:1.1 0.00006035 0.46 AML other m 2020-11-03T03:37:30.30
IV.VAGA.HNE. ML:1.2 0.00009520000000000001 0.98 AML other m 2020-11-03T03:37:30.56
IV.VAGA.HHN. ML:1.4 0.0001565 0.32 AML other m 2020-11-03T03:37:31.66
IV.VAGA.HNN. ML:1.4 0.000148 0.34 AML other m 2020-11-03T03:37:31.66
IV.MIDA.HHN. ML:1.2 0.00010499999999999999 1.22 AML other m 2020-11-03T03:37:32.70
IV.MIDA.HHE. ML:1.2 0.00011454999999999999 0.42 AML other m 2020-11-03T03:37:32.64
IV.CERA.HHN. ML:0.9 0.000034450000000000004 0.92 AML other m 2020-11-03T03:37:32.05
IV.SGG.HHN. ML:1.0 0.000068 0.46 AML other m 2020-11-03T03:37:33.56
IV.CERA.HHE. ML:0.8 0.00003155 0.3 AML other m 2020-11-03T03:37:37.72
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