Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 16-02-2024 and time 23:46:40 (Italy) in region 3 km N Frosolone (IS)

A magnitude ML 1.2 earthquake occured in region: 3 km N Frosolone (IS), on

  • 16-02-2024 22:46:40 (UTC)
  • 16-02-2024 23:46:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.6280, 14.4400 at 19 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
Frosolone IS 3 3170 3170
Duronia CB 4 405 3575
Molise CB 5 167 3742
Civitanova del Sannio IS 5 945 4687
Sant'Elena Sannita IS 6 275 4962
Torella del Sannio CB 7 795 5757
Chiauci IS 7 233 5990
Macchiagodena IS 8 1854 7844
Bagnoli del Trigno IS 9 735 8579
Casalciprano CB 9 564 9143
Sessano del Molise IS 9 727 9870
Pietracupa CB 9 215 10085
Santa Maria del Molise IS 10 665 10750
Spinete CB 10 1320 12070
Fossalto CB 10 1345 13415
Castropignano CB 10 947 14362
Carpinone IS 10 1157 15519
Pescolanciano IS 10 855 16374
Castelpetroso IS 11 1680 18054
Cantalupo nel Sannio IS 12 739 18793
Oratino CB 13 1641 20434
Busso CB 13 1273 21707
Pesche IS 13 1661 23368
Pietrabbondante IS 14 759 24127
Pettoranello del Molise IS 15 460 24587
Colle d'Anchise CB 15 807 25394
Salcito CB 15 683 26077
Baranello CB 15 2673 28750
San Massimo CB 15 855 29605
Carovilli IS 15 1359 30964
Sant'Angelo Limosano CB 16 352 31316
San Biase CB 16 189 31505
Castelverrino IS 16 115 31620
Limosano CB 16 768 32388
Miranda IS 16 1047 33435
Bojano CB 16 8058 41493
Roccamandolfi IS 17 938 42431
Castelpizzuto IS 17 155 42586
Poggio Sannita IS 17 702 43288
Isernia IS 18 21842 65130
Ripalimosani CB 19 3114 68244
Roccasicura IS 19 550 68794
San Polo Matese CB 19 470 69264
Vinchiaturo CB 19 3324 72588
Montagano CB 20 1086 73674
Trivento CB 20 4730 78404
Campobasso CB 20 49431 127835
Longano IS 20 690 128525

Municipalities with at least 50000 inhabitants

An earthquake occurred to
62 Km N of Caserta (76326 inhabitants)
62 Km NW of Benevento (60091 inhabitants)
75 Km N of Aversa (53047 inhabitants)
76 Km N of Acerra (59573 inhabitants)
79 Km W of San Severo (53905 inhabitants)
79 Km N of Afragola (65057 inhabitants)
80 Km N of Giugliano in Campania (122974 inhabitants)
81 Km N of Casoria (77642 inhabitants)
84 Km N of Marano di Napoli (59874 inhabitants)
84 Km S of Chieti (51815 inhabitants)
85 Km NW of Avellino (54857 inhabitants)
89 Km N of Napoli (974074 inhabitants)
90 Km N of Portici (55274 inhabitants)
91 Km N of Ercolano (53709 inhabitants)
92 Km NE of Pozzuoli (81661 inhabitants)
94 Km N of Torre del Greco (86275 inhabitants)
94 Km W of Foggia (151991 inhabitants)
95 Km S of Pescara (121014 inhabitants)
98 Km N of Scafati (50787 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 1.2 2024-02-16
22:46:40		 41.6277 14.4398 19 2024-02-16
22:54:19		 Sala Sismica INGV-Roma 125322371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-16 22:46:40 ± 0.22
Latitude 41.6277 ± 0.0072
Longitude 14.4398 ± 0.0120
Depth (km) 19 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125322371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1010
Semi-minor axis of confidence ellipse (meter) 349
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.12770
Epicentral distance of station farthest from the epicenter (degree) 0.51891
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 16
Type of magnitude ML
Reference to an origin 125322371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-16 22:54:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MELA.HHZ. 2024-02-16T22:46:51.32 0.6 negative manual P 81 57.5979 100 0.08 46
IV.BSSO.HHZ. 2024-02-16T22:46:48.71 0.3 undecidable manual S 125 15.6732 134 0.17 72
IV.MIDA.HHZ. 2024-02-16T22:46:48.81 0.3 undecidable manual S 276 15.4734 135 0.31 71
IV.PTRJ.HHZ. 2024-02-16T22:46:47.09 0.3 undecidable manual P 166 30.1476 113 -0.07 73
IV.PABO.HHN. 2024-02-16T22:46:47.69 0.3 undecidable manual S 342 14.1747 138 -0.57 66
IV.VAGA.HHZ. 2024-02-16T22:46:46.58 0.1 undecidable manual P 216 29.0487 114 -0.43 89
IV.SGG.HHZ. 2024-02-16T22:46:46.68 0.1 undecidable manual P 191 27.1506 116 -0.07 97
IV.RNI2.HHZ. 2024-02-16T22:46:46.85 0.1 undecidable manual P 290 25.2525 118 0.37 93
IV.BSSO.HHZ. 2024-02-16T22:46:45.28 0.1 undecidable manual P 125 15.6732 134 0 100
IV.PABO.HHN. 2024-02-16T22:46:45.11 0.3 undecidable manual P 342 14.1747 138 -0.01 75
IV.MIDA.HHZ. 2024-02-16T22:46:45.47 1.0 positive manual P 276 15.4734 135 0.21 24
IV.TRIV.HHZ. 2024-02-16T22:46:45.72 0.6 undecidable manual P 31 17.9709 130 0.18 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MIDA.HHE. ML:1.2 0.0001107 0.24 AML other m 2024-02-16T22:46:49.52
IV.MIDA.HHN. ML:1.2 0.00011 0.76 AML other m 2024-02-16T22:46:49.60
IV.BSSO.HHN. ML:1.3 0.0001365 0.82 AML other m 2024-02-16T22:46:50.43
IV.BSSO.HHE. ML:1.3 0.0001325 0.8 AML other m 2024-02-16T22:46:52.30
IV.SGG.HHE. ML:1.1 0.0000589 0.22 AML other m 2024-02-16T22:46:52.88
IV.RNI2.HNN. ML:1.3 0.00009195 1.24 AML other m 2024-02-16T22:46:53.64
IV.RNI2.HHN. ML:1.2 0.00007805000000000001 0.16 AML other m 2024-02-16T22:46:53.10
IV.RNI2.HNE. ML:1.2 0.00008219999999999999 0.76 AML other m 2024-02-16T22:46:53.12
IV.RNI2.HHE. ML:1.2 0.00007845 0.18 AML other m 2024-02-16T22:46:53.12
IV.PTRJ.HHN. ML:1.2 0.0000625 1.16 AML other m 2024-02-16T22:46:53.26
IV.VAGA.HHE. ML:1.2 0.00007489999999999999 1.14 AML other m 2024-02-16T22:46:53.33
IV.SGG.HHN. ML:1.3 0.00008965000000000001 1.68 AML other m 2024-02-16T22:46:53.89
IV.PTRJ.HHE. ML:1.3 0.000079 0.26 AML other m 2024-02-16T22:46:53.92
IV.VAGA.HHN. ML:1.4 0.00011175 1.8 AML other m 2024-02-16T22:46:54.09
IV.TRIV.HHN. ML:1.0 0.00005715000000000001 0.46 AML other m 2024-02-16T22:46:56.14
IV.TRIV.HHE. ML:1.0 0.00006185 0.74 AML other m 2024-02-16T22:46:56.28
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