Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 18-05-2023 and time 07:44:18 (UTC) in region 2 km SE Morcone (BN)

A magnitude ML 1.1 earthquake occured in region: 2 km SE Morcone (BN), on

  • 18-05-2023 07:44:18 (UTC)
  • 18-05-2023 09:44:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3280, 14.6790 at 9 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
Morcone BN 2 4932 4932
Pontelandolfo BN 5 2167 7099
Sassinoro BN 5 618 7717
Campolattaro BN 6 1072 8789
Casalduni BN 8 1378 10167
Santa Croce del Sannio BN 8 927 11094
San Lupo BN 8 801 11895
San Lorenzo Maggiore BN 10 2154 14049
Sepino CB 10 1964 16013
Guardia Sanframondi BN 10 5078 21091
Pietraroja BN 11 545 21636
Circello BN 11 2388 24024
Cerreto Sannita BN 11 3940 27964
Fragneto Monforte BN 12 1840 29804
Fragneto l'Abate BN 12 1049 30853
Reino BN 13 1210 32063
Ponte BN 13 2580 34643
San Lorenzello BN 13 2227 36870
Colle Sannita BN 14 2431 39301
Castelpagano BN 14 1483 40784
Cusano Mutri BN 14 4091 44875
Paupisi BN 15 1633 46508
Cercepiccola CB 15 681 47189
San Giuliano del Sannio CB 15 1029 48218
Castelvenere BN 15 2562 50780
Cercemaggiore CB 15 3777 54557
Pesco Sannita BN 15 1972 56529
Torrecuso BN 16 3407 59936
Guardiaregia CB 17 801 60737
San Marco dei Cavoti BN 17 3371 64108
Telese Terme BN 17 7486 71594
Vitulano BN 17 2944 74538
Faicchio BN 18 3634 78172
Solopaca BN 18 3820 81992
San Salvatore Telesino BN 18 3999 85991
Pago Veiano BN 19 2406 88397
Foglianise BN 19 3385 91782
Molinara BN 20 1618 93400
Campochiaro CB 20 646 94046
Gioia Sannitica CE 20 3638 97684
Vinchiaturo CB 20 3324 101008

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Benevento (60091 inhabitants)
40 Km NE of Caserta (76326 inhabitants)
47 Km N of Avellino (54857 inhabitants)
50 Km NE of Acerra (59573 inhabitants)
55 Km NE of Afragola (65057 inhabitants)
56 Km NE of Aversa (53047 inhabitants)
57 Km NE of Casoria (77642 inhabitants)
60 Km NE of Giugliano in Campania (122974 inhabitants)
62 Km NE of Portici (55274 inhabitants)
63 Km NE of Marano di Napoli (59874 inhabitants)
64 Km NE of Ercolano (53709 inhabitants)
65 Km NE of Napoli (974074 inhabitants)
66 Km NE of Torre del Greco (86275 inhabitants)
66 Km N of Scafati (50787 inhabitants)
70 Km N of Cava de' Tirreni (53659 inhabitants)
71 Km SW of San Severo (53905 inhabitants)
72 Km N of Castellammare di Stabia (66466 inhabitants)
73 Km N of Salerno (135261 inhabitants)
73 Km NE of Pozzuoli (81661 inhabitants)
74 Km W of Foggia (151991 inhabitants)
84 Km NW of Battipaglia (50786 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 2023-05-18
07:44:18		 41.3285 14.679 9 2023-05-18
07:59:57		 Sala Sismica INGV-Roma 117443201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-18 07:44:18 ± 0.18
Latitude 41.3285 ± 0.0072
Longitude 14.6790 ± 0.0120
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117443201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 795
Semi-minor axis of confidence ellipse (meter) 700
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 37
Circular confidence region, given by single value of horizontal uncertainty (meter) 790.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
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) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.07195
Epicentral distance of station farthest from the epicenter (degree) 0.36153
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 117443201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-18 07:59:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOCO.HHZ. 2023-05-18T07:44:32.47 0.3 undecidable manual S 83 40.1265 50 0.2 74
IV.BSSO.HHZ. 2023-05-18T07:44:28.50 0.6 undecidable manual S 344 25.1526 109 0.66 45
IV.SGG.HNZ. 2023-05-18T07:44:28.93 1.0 undecidable manual S 285 25.752 109 0.88 20
IV.MOCO.HHZ. 2023-05-18T07:44:26.76 1.0 undecidable manual P 83 40.1265 50 0.27 24
IV.PSB1.HHZ. 2023-05-18T07:44:25.50 0.3 undecidable manual S 137 15.9729 119 0.56 71
IV.VITU.HHZ. 2023-05-18T07:44:25.36 0.3 undecidable manual S 194 16.5723 118 0.24 77
IV.PTRJ.HHZ. 2023-05-18T07:44:24.32 0.3 undecidable manual S 288 13.0758 124 0.25 77
IV.SGG.HNZ. 2023-05-18T07:44:24.00 0.6 undecidable manual P 285 25.752 109 -0.05 52
IV.BSSO.HHZ. 2023-05-18T07:44:23.88 0.3 undecidable manual P 344 25.1526 109 -0.05 79
IV.SACR.HHZ. 2023-05-18T07:44:22.97 0.3 undecidable manual S 16 7.9809 138 0.26 78
IV.VITU.HHZ. 2023-05-18T07:44:21.98 0.6 undecidable manual P 194 16.5723 118 -0.38 50
IV.PTRJ.HHZ. 2023-05-18T07:44:21.38 0.1 undecidable manual P 288 13.0758 124 -0.38 100
IV.PSB1.HHZ. 2023-05-18T07:44:21.74 0.3 undecidable manual P 137 15.9729 119 -0.52 72
IV.SACR.HHZ. 2023-05-18T07:44:20.24 0.1 undecidable manual P 16 7.9809 138 -0.73 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VITU.HHN. ML:1.3 0.000189 1.52 AML other m 2023-05-18T07:44:26.79
IV.PTRJ.HHN. ML:0.9 0.00008989999999999999 0.54 AML other m 2023-05-18T07:44:26.72
IV.PSB1.HHN. ML:1.0 0.00010075000000000001 0.32 AML other m 2023-05-18T07:44:27.32
IV.PSB1.HHE. ML:1.3 0.00017299999999999998 0.72 AML other m 2023-05-18T07:44:27.11
IV.PTRJ.HHE. ML:0.8 0.00008155000000000002 0.82 AML other m 2023-05-18T07:44:27.56
IV.VITU.HHE. ML:1.2 0.0001555 0.34 AML other m 2023-05-18T07:44:28.50
IV.SACR.HHE. ML:1.1 0.0001950056 0.2816 AML other m 2023-05-18T07:44:25.50
IV.SACR.HHN. ML:1.2 0.0002361973 0.3968 AML other m 2023-05-18T07:44:24.85
IV.SACR.HNE. ML:1.1 0.00019612439999999997 0.2944 AML other m 2023-05-18T07:44:25.50
IV.SACR.HNN. ML:1.2 0.00022443715 0.3968 AML other m 2023-05-18T07:44:24.85
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