Earthquake with magnitude of ML 1.9 on date 20-12-2023 and time 23:36:06 (UTC) in region 2 km E Montemitro (CB)

A magnitude ML 1.9 earthquake occured in region: 2 km E Montemitro (CB), on

  • 20-12-2023 23:36:06 (UTC)
  • 21-12-2023 00:36:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.8840, 14.6700 at 17 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
Montemitro CB 2 395 395
San Felice del Molise CB 3 634 1029
Montefalcone nel Sannio CB 3 1556 2585
Tufillo CH 5 406 2991
Acquaviva Collecroce CB 7 672 3663
Castelmauro CB 7 1505 5168
Dogliola CH 7 359 5527
Mafalda CB 7 1211 6738
Celenza sul Trigno CH 7 915 7653
Roccavivara CB 8 815 8468
Tavenna CB 8 718 9186
Palmoli CH 10 923 10109
Palata CB 10 1726 11835
San Giovanni Lipioni CH 10 185 12020
Fresagrandinaria CH 10 961 12981
Torrebruna CH 11 825 13806
Civitacampomarano CB 12 417 14223
Montenero di Bisaccia CB 12 6675 20898
Liscia CH 12 713 21611
Carunchio CH 12 600 22211
Lentella CH 13 689 22900
Guardialfiera CB 14 1065 23965
San Buono CH 14 967 24932
Castelguidone CH 14 382 25314
Montecilfone CB 14 1348 26662
Lupara CB 15 505 27167
Trivento CB 15 4730 31897
Castelbottaccio CB 15 312 32209
Fraine CH 15 337 32546
Furci CH 16 988 33534
Lucito CB 17 696 34230
Schiavi di Abruzzo CH 17 860 35090
Roccaspinalveti CH 18 1339 36429
Castiglione Messer Marino CH 18 1790 38219
Gissi CH 18 2819 41038
San Salvo CH 19 20016 61054
Carpineto Sinello CH 20 608 61662
San Biase CB 20 189 61851
Salcito CB 20 683 62534

Municipalities with at least 50000 inhabitants

An earthquake occurred to
63 Km W of San Severo (53905 inhabitants)
67 Km SE of Chieti (51815 inhabitants)
75 Km SE of Pescara (121014 inhabitants)
82 Km SE of Montesilvano (53738 inhabitants)
84 Km N of Benevento (60091 inhabitants)
86 Km NW of Foggia (151991 inhabitants)
94 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 1.9 2023-12-20
23:36:06
41.8842 14.6702 17 2023-12-20
23:43:19
Sala Sismica INGV-Roma 124168981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-20 23:36:06 ± 0.12
Latitude 41.8842 ± 0.0054
Longitude 14.6702 ± 0.0060
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124168981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 543
Semi-minor axis of confidence ellipse (meter) 426
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 180
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
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 32
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42628
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 124168981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-20 23:43:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2023-12-20T23:37:09.25 3.0 undecidable manual Sg 3.51 0
OT.OT12.EHZ. 2023-12-20T23:36:39.29 3.0 undecidable manual S 0.52 0
IV.CSP1.EHZ. 2023-12-20T23:36:37.24 3.0 undecidable manual Pg 3.94 0
IV.FAGN.HHZ. 2023-12-20T23:36:36.02 3.0 undecidable manual S -0.55 0
IV.SGRT.HHZ. 2023-12-20T23:36:35.48 3.0 undecidable manual S 0.28 0
IV.VITU.HHZ. 2023-12-20T23:36:30.59 3.0 undecidable manual S -0.83 0
OT.OT12.EHZ. 2023-12-20T23:36:25.99 3.0 positive manual P 1.49 0
IV.SGRT.HHZ. 2023-12-20T23:36:22.85 3.0 negative manual P 0.36 0
IV.LPEL.HHZ. 2023-12-20T23:36:21.33 0.6 undecidable manual S 294 44.0226 101 0.23 46
IV.RNI2.HHZ. 2023-12-20T23:36:21.92 0.6 undecidable manual S 245 47.3193 100 -0.03 48
IV.MELA.HHZ. 2023-12-20T23:36:20.91 0.6 undecidable manual S 117 42.624 101 0.17 47
IV.T0110.HHZ. 2023-12-20T23:36:20.53 3.0 positive manual P -0.57 0
IV.VVLD.HHZ. 2023-12-20T23:36:20.76 3.0 negative manual P -0.89 0
IV.VAGA.HHZ. 2023-12-20T23:36:17.53 3.0 negative manual P -0.35 0
IV.SGG.HHZ. 2023-12-20T23:36:17.10 3.0 negative manual P -0.31 0
IV.INTR.HHZ. 2023-12-20T23:36:17.80 3.0 negative manual P -0.26 0
IV.PTRJ.HHZ. 2023-12-20T23:36:17.07 3.0 positive manual P -0.16 0
IV.SACR.HHZ. 2023-12-20T23:36:16.29 3.0 undecidable manual P -0.23 0
IT.GLNS.HNZ. 2023-12-20T23:36:15.45 0.6 undecidable manual S 81 20.6682 119 0.27 48
IV.RNI2.HHZ. 2023-12-20T23:36:15.50 0.1 positive manual P 245 47.3193 100 -0.02 95
IV.GATE.HHZ. 2023-12-20T23:36:15.59 0.6 positive manual P 154 45.7209 100 0.31 45
IV.MELA.HHZ. 2023-12-20T23:36:14.53 0.1 negative manual P 117 42.624 101 -0.28 90
IV.LPEL.HHZ. 2023-12-20T23:36:14.95 0.6 undecidable manual P 294 44.0226 101 -0.07 48
IV.MIDA.HHZ. 2023-12-20T23:36:14.72 0.1 positive manual P 232 43.7229 101 -0.25 91
IV.BSSO.HHZ. 2023-12-20T23:36:14.42 0.3 positive manual P 190 38.0286 103 0.3 69
IT.MCLF.HNE. 2023-12-20T23:36:13.65 0.6 undecidable manual S 82 13.9749 133 -0.07 50
IT.PLTA.HNZ. 2023-12-20T23:36:12.91 0.6 undecidable manual S 89 9.879 144 -0.09 50
IV.PABO.HHZ. 2023-12-20T23:36:12.72 0.6 undecidable manual P 237 27.8499 110 0.11 48
IV.TRIV.HHZ. 2023-12-20T23:36:11.17 1.0 undecidable manual P 217 16.3725 127 0.12 25
IT.GLNS.HNZ. 2023-12-20T23:36:11.73 0.1 undecidable manual P 81 20.6682 119 0.11 98
IT.PLTA.HNZ. 2023-12-20T23:36:10.11 0.6 undecidable manual P 89 9.879 144 -0.24 49
IT.MCLF.HNE. 2023-12-20T23:36:10.70 0.1 undecidable manual P 82 13.9749 133 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TRIV.HHN. ML:1.7 0.0003615 0.32 AML other m 2023-12-20T23:36:15.19
IV.TRIV.HNN. ML:1.8 0.00044099999999999993 0.32 AML other m 2023-12-20T23:36:15.19
IT.GLNS.HNN. ML:2.4 0.0016545000000000002 0.82 AML other m 2023-12-20T23:36:16.08
IT.GLNS.HNE. ML:2.2 0.0008805000000000001 0.44 AML other m 2023-12-20T23:36:17.38
IV.TRIV.HHE. ML:1.6 0.000252 1.6 AML other m 2023-12-20T23:36:18.94
IV.TRIV.HNE. ML:1.6 0.0003015 1.6 AML other m 2023-12-20T23:36:18.94
IV.PABO.HHN. ML:1.7 0.000237 0.38 AML other m 2023-12-20T23:36:19.02
IV.PABO.HHE. ML:1.4 0.0001235 0.8 AML other m 2023-12-20T23:36:19.73
IV.BSSO.HHE. ML:2.0 0.000382 0.32 AML other m 2023-12-20T23:36:21.59
IV.MIDA.HHN. ML:1.8 0.000191 1.8 AML other m 2023-12-20T23:36:21.07
IV.MELA.HHE. ML:1.8 0.000191 0.6 AML other m 2023-12-20T23:36:22.00
IV.BSSO.HHN. ML:2.0 0.000348 1.56 AML other m 2023-12-20T23:36:22.80
IV.LPEL.HHN. ML:2.3 0.0005669999999999999 0.38 AML other m 2023-12-20T23:36:22.45
IV.LPEL.HNN. ML:2.3 0.000549 0.38 AML other m 2023-12-20T23:36:22.26
IV.LPEL.HNE. ML:2.2 0.000499 0.62 AML other m 2023-12-20T23:36:22.64
IV.LPEL.HHE. ML:2.2 0.00046750000000000003 0.34 AML other m 2023-12-20T23:36:22.64
IV.MIDA.HHE. ML:2.0 0.000266 0.16 AML other m 2023-12-20T23:36:22.66
IV.MELA.HHN. ML:2.0 0.00028700000000000004 1.46 AML other m 2023-12-20T23:36:22.05
IV.RNI2.HHN. ML:2.0 0.0002515 0.12 AML other m 2023-12-20T23:36:23.30
IV.RNI2.HNN. ML:2.0 0.000237 0.12 AML other m 2023-12-20T23:36:23.30
IV.RNI2.HNE. ML:2.0 0.000286 0.24 AML other m 2023-12-20T23:36:23.89
IV.RNI2.HHE. ML:2.1 0.0003035 1.2 AML other m 2023-12-20T23:36:23.90
IV.SACR.HHE. ML:1.6 0.00008460000000000001 0.4 AML other m 2023-12-20T23:36:24.28
IV.SACR.HHN. ML:1.6 0.0000791 0.18 AML other m 2023-12-20T23:36:25.02
IV.PTRJ.HHN. ML:1.9 0.0001565 0.26 AML other m 2023-12-20T23:36:26.21
IV.PTRJ.HHE. ML:1.9 0.00015450000000000001 1.4 AML other m 2023-12-20T23:36:26.74
IV.INTR.HHE. ML:2.3 0.0003675 1.74 AML other m 2023-12-20T23:36:27.89
IV.INTR.HHN. ML:2.5 0.0005785 1.68 AML other m 2023-12-20T23:36:27.15
IV.INTR.HNN. ML:2.5 0.0005695 0.3 AML other m 2023-12-20T23:36:27.15
IV.SGG.HHN. ML:1.6 0.00008245 0.36 AML other m 2023-12-20T23:36:27.42
IV.INTR.HNE. ML:2.4 0.00040249999999999997 0.58 AML other m 2023-12-20T23:36:27.87
IV.SGG.HHE. ML:1.7 0.000097 0.32 AML other m 2023-12-20T23:36:27.81
IV.VVLD.HHE. ML:1.8 0.0000675 0.52 AML other m 2023-12-20T23:36:32.81
IV.VAGA.HHN. ML:1.9 0.000141 0.26 AML other m 2023-12-20T23:36:32.83
IV.VAGA.HHE. ML:1.6 0.00007905 0.4 AML other m 2023-12-20T23:36:33.74
IV.VVLD.HHN. ML:1.7 0.00006459999999999998 1.26 AML other m 2023-12-20T23:36:34.65
IV.VITU.HHN. ML:1.8 0.0000963 0.32 AML other m 2023-12-20T23:36:36.17
IV.VITU.HHE. ML:1.9 0.0001085 0.62 AML other m 2023-12-20T23:36:36.53
IV.SGRT.HHE. ML:2.1 0.00014600000000000003 1.5 AML other m 2023-12-20T23:36:37.07
IV.SGRT.HHN. ML:2.1 0.00013879999999999999 1.4 AML other m 2023-12-20T23:36:37.87
OT.OT12.EHN. ML:1.9 0.00007000000000000001 0.88 AML other m 2023-12-20T23:36:40.30
OT.OT12.EHE. ML:1.6 0.0000418 1.34 AML other m 2023-12-20T23:36:41.89
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