Earthquake with magnitude of ML 2.1 on date 22-12-2023 and time 12:21:46 (UTC) in region 3 km SE Palata (CB)

A magnitude ML 2.1 earthquake occured in region: 3 km SE Palata (CB), on

  • 22-12-2023 12:21:46 (UTC)
  • 22-12-2023 13:21:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.8720, 14.8120 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Palata CB 3 1726 1726
Montecilfone CB 4 1348 3074
Acquaviva Collecroce CB 5 672 3746
Tavenna CB 6 718 4464
Guardialfiera CB 8 1065 5529
San Felice del Molise CB 9 634 6163
Castelmauro CB 10 1505 7668
Guglionesi CB 10 5321 12989
Montenero di Bisaccia CB 10 6675 19664
Mafalda CB 11 1211 20875
Larino CB 11 6793 27668
Montemitro CB 14 395 28063
Lupara CB 14 505 28568
Civitacampomarano CB 14 417 28985
Montefalcone nel Sannio CB 14 1556 30541
Casacalenda CB 15 2135 32676
San Giacomo degli Schiavoni CB 15 1406 34082
Castelbottaccio CB 16 312 34394
Montorio nei Frentani CB 16 437 34831
Tufillo CH 16 406 35237
Petacciato CB 16 3819 39056
Dogliola CH 17 359 39415
San Martino in Pensilis CB 17 4793 44208
Fresagrandinaria CH 17 961 45169
Provvidenti CB 17 119 45288
Portocannone CB 17 2551 47839
Ururi CB 18 2693 50532
Morrone del Sannio CB 18 587 51119
Lentella CH 18 689 51808
Roccavivara CB 18 815 52623
Lucito CB 19 696 53319
Montelongo CB 19 365 53684
Celenza sul Trigno CH 19 915 54599
Castellino del Biferno CB 20 545 55144

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km W of San Severo (53905 inhabitants)
75 Km SE of Chieti (51815 inhabitants)
76 Km NW of Foggia (151991 inhabitants)
82 Km SE of Pescara (121014 inhabitants)
83 Km N of Benevento (60091 inhabitants)
90 Km SE of Montesilvano (53738 inhabitants)
96 Km W of Manfredonia (57279 inhabitants)
97 Km NE of Caserta (76326 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 2.1 2023-12-22
12:21:46
41.8722 14.8123 18 2023-12-22
12:37:37
Sala Sismica INGV-Roma 124204241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-22 12:21:46 ± 0.11
Latitude 41.8722 ± 0.0054
Longitude 14.8123 ± 0.0060
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 124204241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 638
Semi-minor axis of confidence ellipse (meter) 78
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 177
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.84806
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 15
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 124204241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-22 12:37:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLLN.EHZ. 2023-12-22T12:23:38.90 3.0 undecidable manual Sg 6.95 0
IV.NDIM.HNZ. 2023-12-22T12:23:05.55 3.0 positive manual Pg 15.96 0
IV.VOBA.EHZ. 2023-12-22T12:23:01.05 3.0 negative manual Pn 1.22 0
IV.CET2.HHZ. 2023-12-22T12:22:59.06 3.0 undecidable manual Sg 1.28 0
IV.MPAG.EHZ. 2023-12-22T12:22:58.99 3.0 undecidable manual Sg 4.99 0
IV.SNTG.HHZ. 2023-12-22T12:22:23.21 3.0 undecidable manual Pn 3.76 0
IV.MRVN.HHZ. 2023-12-22T12:22:11.96 3.0 undecidable manual Pg 1.28 0
IV.INTR.HHZ. 2023-12-22T12:22:09.16 0.6 undecidable manual S 282 76.4679 96 0 44
IV.APRC.HHZ. 2023-12-22T12:22:05.44 0.3 undecidable manual S 102 61.7937 98 0.18 65
IV.PTRJ.HHZ. 2023-12-22T12:22:04.76 0.6 undecidable manual S 203 61.0944 98 -0.31 42
IV.LPEL.HHZ. 2023-12-22T12:22:03.69 0.6 undecidable manual S 291 55.4001 99 0.11 45
IV.MSAG.HHZ. 2023-12-22T12:22:02.60 0.6 undecidable manual P 101 92.4408 95 0.69 35
IV.MIDA.HHZ. 2023-12-22T12:22:02.29 0.6 undecidable manual S 241 52.8027 100 -0.61 40
IV.T0110.HHZ. 2023-12-22T12:22:02.16 0.1 undecidable manual P 295 94.1391 95 0 84
IV.BSSO.HHZ. 2023-12-22T12:21:59.63 0.6 undecidable manual S 207 40.4262 104 -0.04 46
IV.GATE.HHZ. 2023-12-22T12:21:59.56 0.6 undecidable manual S 168 40.626 104 -0.16 45
IV.INTR.HHZ. 2023-12-22T12:21:59.28 0.1 undecidable manual P 282 76.4679 96 -0.17 86
OT.OT05.EHZ. 2023-12-22T12:21:58.04 0.6 undecidable manual P 110 69.4749 97 -0.35 42
IV.MELA.HHZ. 2023-12-22T12:21:57.55 0.6 undecidable manual S 125 31.9458 109 0.08 47
IV.LPEL.HHZ. 2023-12-22T12:21:56.39 1.0 undecidable manual P 291 55.4001 99 0.16 22
IV.PTRJ.HHZ. 2023-12-22T12:21:56.48 0.6 undecidable manual P 203 61.0944 98 -0.62 39
IV.TRIV.HHZ. 2023-12-22T12:21:56.15 0.6 undecidable manual S 242 24.6531 116 0.47 44
IV.APRC.HHZ. 2023-12-22T12:21:56.65 0.6 undecidable manual P 102 61.7937 98 -0.55 40
IV.MIDA.HHZ. 2023-12-22T12:21:55.50 1.0 undecidable manual P 241 52.8027 100 -0.34 22
IV.BSSO.HHZ. 2023-12-22T12:21:54.08 0.6 positive manual P 207 40.4262 104 0.11 46
IV.GATE.HHZ. 2023-12-22T12:21:54.35 0.3 undecidable manual P 168 40.626 104 0.35 66
IV.TRIV.HHZ. 2023-12-22T12:21:52.21 0.3 undecidable manual P 242 24.6531 116 0.54 64
IV.MELA.HHZ. 2023-12-22T12:21:52.64 0.1 undecidable manual P 125 31.9458 109 -0.07 95
IT.GLNS.HNZ. 2023-12-22T12:21:52.25 0.6 undecidable manual S 63 9.7791 146 -0.38 46
IT.PLTA.HNZ. 2023-12-22T12:21:51.58 0.6 undecidable manual S 310 2.4975 171 -0.33 47
IT.MCLF.HNZ. 2023-12-22T12:21:51.98 0.6 undecidable manual S 32 3.8961 166 0 50
IT.GLNS.HNZ. 2023-12-22T12:21:50.42 0.3 undecidable manual P 63 9.7791 146 0.51 67
IT.PLTA.HNZ. 2023-12-22T12:21:49.42 0.3 undecidable manual P 310 2.4975 171 -0.07 74
IT.MCLF.HNZ. 2023-12-22T12:21:49.56 0.1 undecidable manual P 32 3.8961 166 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IT.MCLF.HNN. ML:2.4 0.002185 1.16 AML other m 2023-12-22T12:21:51.21
IT.MCLF.HNE. ML:2.3 0.0019500000000000001 0.4 AML other m 2023-12-22T12:21:52.41
IV.MELA.HNE. ML:2.3 0.0007495000000000001 0.44 AML other m 2023-12-22T12:21:54.51
IV.TRIV.HHN. ML:2.0 0.0005715 0.44 AML other m 2023-12-22T12:21:57.22
IV.TRIV.HHE. ML:1.8 0.00029749999999999997 0.64 AML other m 2023-12-22T12:21:57.51
IV.MELA.HHE. ML:2.2 0.0006855 0.6 AML other m 2023-12-22T12:21:58.95
IV.MELA.HNN. ML:2.3 0.000824 0.8 AML other m 2023-12-22T12:21:59.02
IV.MELA.HHN. ML:2.1 0.0005275000000000001 0.1 AML other m 2023-12-22T12:21:59.41
IV.GATE.HHE. ML:1.8 0.00019800000000000002 0.66 AML other m 2023-12-22T12:22:02.77
IV.GATE.HNE. ML:1.8 0.00019800000000000002 0.66 AML other m 2023-12-22T12:22:02.77
IV.GATE.HHN. ML:1.7 0.00017099999999999998 0.82 AML other m 2023-12-22T12:22:04.67
IV.GATE.HNN. ML:1.8 0.000187 0.82 AML other m 2023-12-22T12:22:04.67
IV.MIDA.HHN. ML:2.0 0.0002195 0.64 AML other m 2023-12-22T12:22:04.86
IV.MIDA.HHE. ML:2.0 0.00025550000000000003 1.02 AML other m 2023-12-22T12:22:05.61
IV.LPEL.HHE. ML:2.4 0.000576 0.52 AML other m 2023-12-22T12:22:05.39
IV.LPEL.HNE. ML:2.4 0.00053 0.52 AML other m 2023-12-22T12:22:05.39
IV.APRC.HHN. ML:2.0 0.00017299999999999998 0.16 AML other m 2023-12-22T12:22:05.75
IV.APRC.HHE. ML:1.9 0.00014850000000000003 0.22 AML other m 2023-12-22T12:22:06.03
IV.LPEL.HNN. ML:2.3 0.00039549999999999996 1.1 AML other m 2023-12-22T12:22:06.60
IV.LPEL.HHN. ML:2.3 0.00040249999999999997 0.12 AML other m 2023-12-22T12:22:06.60
IV.MSAG.HHN. ML:2.2 0.00017749999999999998 0.9 AML other m 2023-12-22T12:22:19.25
IV.MSAG.HHE. ML:1.9 0.00008395 1.24 AML other m 2023-12-22T12:22:22.00
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
Waveforms Seismic signals in miniseed + resp format Download