Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 27-01-2023 and time 18:14:06 (UTC) in region 1 km SE Colle d'Anchise (CB)

A magnitude ML 1.2 earthquake occured in region: 1 km SE Colle d'Anchise (CB), on

  • 27-01-2023 18:14:06 (UTC)
  • 27-01-2023 19:14:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.5000, 14.5280 at 14 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Colle d'Anchise CB 1 807 807
Baranello CB 4 2673 3480
Vinchiaturo CB 5 3324 6804
Bojano CB 5 8058 14862
San Polo Matese CB 5 470 15332
Campochiaro CB 6 646 15978
Spinete CB 6 1320 17298
Busso CB 7 1273 18571
Guardiaregia CB 7 801 19372
Casalciprano CB 9 564 19936
Sant'Elena Sannita IS 10 275 20211
San Massimo CB 10 855 21066
San Giuliano del Sannio CB 11 1029 22095
Oratino CB 11 1641 23736
Cantalupo nel Sannio IS 12 739 24475
Macchiagodena IS 12 1854 26329
Mirabello Sannitico CB 12 2180 28509
Ferrazzano CB 13 3344 31853
Cercepiccola CB 13 681 32534
Campobasso CB 13 49431 81965
Sepino CB 13 1964 83929
Frosolone IS 13 3170 87099
Castropignano CB 14 947 88046
Santa Maria del Molise IS 14 665 88711
Roccamandolfi IS 15 938 89649
Molise CB 15 167 89816
Torella del Sannio CB 16 795 90611
Castelpetroso IS 17 1680 92291
Ripalimosani CB 17 3114 95405
Cercemaggiore CB 17 3777 99182
Pietraroja BN 17 545 99727
Gildone CB 18 809 100536
Sassinoro BN 18 618 101154
Cusano Mutri BN 18 4091 105245
San Gregorio Matese CE 18 988 106233
Duronia CB 19 405 106638
Castello del Matese CE 19 1494 108132
Fossalto CB 19 1345 109477
Campodipietra CB 19 2570 112047
Castelpizzuto IS 20 155 112202
Carpinone IS 20 1157 113359
Matrice CB 20 1115 114474

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km NW of Benevento (60091 inhabitants)
50 Km NE of Caserta (76326 inhabitants)
63 Km N of Acerra (59573 inhabitants)
64 Km NE of Aversa (53047 inhabitants)
67 Km N of Afragola (65057 inhabitants)
69 Km NW of Avellino (54857 inhabitants)
69 Km N of Casoria (77642 inhabitants)
69 Km NE of Giugliano in Campania (122974 inhabitants)
73 Km NE of Marano di Napoli (59874 inhabitants)
74 Km W of San Severo (53905 inhabitants)
77 Km N of Portici (55274 inhabitants)
77 Km NE of Napoli (974074 inhabitants)
78 Km N of Ercolano (53709 inhabitants)
80 Km N of Torre del Greco (86275 inhabitants)
81 Km NE of Pozzuoli (81661 inhabitants)
84 Km N of Scafati (50787 inhabitants)
85 Km W of Foggia (151991 inhabitants)
90 Km N of Castellammare di Stabia (66466 inhabitants)
90 Km N of Cava de' Tirreni (53659 inhabitants)
93 Km N of Salerno (135261 inhabitants)
99 Km SE of Chieti (51815 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 1.2 2023-01-27
18:14:06		 41.5 14.5277 14 2024-03-01
17:18:05		 Bollettino Sismico Italiano INGV 116765001
Reviewed
Rev100 		ML 1.3 2023-01-27
18:14:06		 41.497 14.5447 17 2023-01-27
18:27:30		 Sala Sismica INGV-Roma 113836071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-27 18:14:06 ± 0.13
Latitude 41.5000 ± 0.0072
Longitude 14.5277 ± 0.0072
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116765001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 808
Semi-minor axis of confidence ellipse (meter) 146
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 166
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.06745
Epicentral distance of station farthest from the epicenter (degree) 0.39750
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 116765001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-11 14:09:20

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 113836071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-27 18:27:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PABO.HHZ. 2023-01-27T18:14:16.80 0.6 undecidable manual S 337 29.9478 101 -0.03 49
IV.VAGA.HHZ. 2023-01-27T18:14:15.64 0.6 undecidable manual S 249 26.1516 104 -0.18 47
IV.PIGN.HNE. 2023-01-27T18:14:15.11 0.6 undecidable manual P 221 44.1225 96 0.58 42
IV.CERA.HHZ. 2023-01-27T18:14:14.60 0.3 undecidable manual P 285 43.623 96 0.15 69
IV.SACR.HHZ. 2023-01-27T18:14:14.11 0.3 undecidable manual S 127 18.6702 113 0.18 72
IV.SGG.HHZ. 2023-01-27T18:14:13.51 0.6 undecidable manual S 225 17.6712 115 -0.16 48
IV.RNI2.HNZ. 2023-01-27T18:14:13.63 0.3 undecidable manual P 306 38.4282 97 -0.02 72
IV.GATE.HNN. 2023-01-27T18:14:12.20 0.3 undecidable manual P 87 31.8459 100 -0.44 67
IV.PABO.HHZ. 2023-01-27T18:14:12.84 0.6 undecidable manual P 337 29.9478 101 0.48 44
IV.BSSO.HHZ. 2023-01-27T18:14:11.76 0.6 undecidable manual S 47 7.4814 146 0.16 49
IV.VAGA.HHZ. 2023-01-27T18:14:11.44 0.3 undecidable manual P 249 26.1516 104 -0.35 68
IV.SGG.HHZ. 2023-01-27T18:14:10.54 0.3 undecidable manual P 225 17.6712 115 -0.01 74
IV.SACR.HHZ. 2023-01-27T18:14:10.77 0.3 undecidable manual P 127 18.6702 113 0.08 73
IV.BSSO.HHZ. 2023-01-27T18:14:09.27 0.1 undecidable manual P 47 7.4814 146 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SGG.HHE. ML:1.2 0.0001076424 0.1792 AML other m 2023-01-27T18:14:14.24
IV.SGG.HHN. ML:1.1 0.00009063723500000002 1.984 AML other m 2023-01-27T18:14:14.56
IV.SACR.HHN. ML:0.9 0.000055997070000000004 1.4592 AML other m 2023-01-27T18:14:15.92
IV.VAGA.HHE. ML:1.3 0.00011085073000000001 1.1008 AML other m 2023-01-27T18:14:16.63
IV.SACR.HHE. ML:1.2 0.00010255 0.46 AML other m 2023-01-27T18:14:16.57
IV.VAGA.HHN. ML:1.5 0.000153 0.96 AML other m 2023-01-27T18:14:17.78
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