Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 26-08-2022 and time 09:04:16 (Italy) in region 3 km NW Campobasso (CB)

A magnitude ML 1.1 earthquake occured in region: 3 km NW Campobasso (CB), on

  • 26-08-2022 07:04:16 (UTC)
  • 26-08-2022 09:04:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5740, 14.6270 at 15 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.

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
Campobasso CB 3 49431 49431
Oratino CB 4 1641 51072
Ripalimosani CB 5 3114 54186
Busso CB 6 1273 55459
Ferrazzano CB 6 3344 58803
Mirabello Sannitico CB 7 2180 60983
Castropignano CB 8 947 61930
Baranello CB 8 2673 64603
Casalciprano CB 8 564 65167
Matrice CB 8 1115 66282
Montagano CB 9 1086 67368
Vinchiaturo CB 9 3324 70692
San Giovanni in Galdo CB 10 580 71272
Campodipietra CB 10 2570 73842
Colle d'Anchise CB 11 807 74649
Torella del Sannio CB 12 795 75444
Limosano CB 12 768 76212
Toro CB 12 1391 77603
Gildone CB 12 809 78412
Spinete CB 12 1320 79732
Molise CB 13 167 79899
Sant'Elena Sannita IS 13 275 80174
San Giuliano del Sannio CB 13 1029 81203
Fossalto CB 13 1345 82548
Cercepiccola CB 13 681 83229
Sant'Angelo Limosano CB 14 352 83581
Campolieto CB 14 839 84420
Petrella Tifernina CB 14 1170 85590
Cercemaggiore CB 15 3777 89367
Pietracupa CB 15 215 89582
Frosolone IS 15 3170 92752
Jelsi CB 15 1781 94533
Monacilioni CB 16 523 95056
San Biase CB 16 189 95245
Bojano CB 16 8058 103303
Castellino del Biferno CB 17 545 103848
Guardiaregia CB 17 801 104649
San Polo Matese CB 17 470 105119
Duronia CB 17 405 105524
Campochiaro CB 17 646 106170
Sepino CB 18 1964 108134
Macchiagodena IS 18 1854 109988
Lucito CB 18 696 110684
Ripabottoni CB 20 514 111198
Riccia CB 20 5262 116460
Morrone del Sannio CB 20 587 117047

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km N of Benevento (60091 inhabitants)
61 Km NE of Caserta (76326 inhabitants)
64 Km W of San Severo (53905 inhabitants)
73 Km N of Acerra (59573 inhabitants)
75 Km N of Avellino (54857 inhabitants)
75 Km NE of Aversa (53047 inhabitants)
77 Km NE of Afragola (65057 inhabitants)
77 Km W of Foggia (151991 inhabitants)
79 Km NE of Casoria (77642 inhabitants)
80 Km NE of Giugliano in Campania (122974 inhabitants)
83 Km NE of Marano di Napoli (59874 inhabitants)
86 Km N of Portici (55274 inhabitants)
87 Km NE of Napoli (974074 inhabitants)
88 Km N of Ercolano (53709 inhabitants)
90 Km N of Torre del Greco (86275 inhabitants)
92 Km N of Scafati (50787 inhabitants)
92 Km NE of Pozzuoli (81661 inhabitants)
95 Km SE of Chieti (51815 inhabitants)
97 Km N of Cava de' Tirreni (53659 inhabitants)
98 Km N of Castellammare di Stabia (66466 inhabitants)
100 Km N of Salerno (135261 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 2022-08-26
07:04:16		 41.5737 14.6272 15 2022-08-26
07:09:33		 Sala Sismica INGV-Roma 108951261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-26 07:04:16 ± 0.4
Latitude 41.5737 ± 0.0135
Longitude 14.6272 ± 0.0228
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 108951261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1916
Semi-minor axis of confidence ellipse (meter) 1057
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 59
Circular confidence region, given by single value of horizontal uncertainty (meter) 1920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 237
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.33365
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 108951261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-26 07:09:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VAGA.HHZ. 2022-08-26T07:04:29.07 0.6 undecidable manual S 242 37.0296 99 0.57 41
IV.MIDA.HHZ. 2022-08-26T07:04:27.30 0.6 undecidable manual S 284 31.8459 101 0.17 46
IV.SGG.HNE. 2022-08-26T07:04:25.85 0.6 undecidable manual S 225 29.2485 103 -0.59 43
IV.SACR.HHZ. 2022-08-26T07:04:23.80 0.6 undecidable manual S 161 20.5683 112 -0.44 45
IV.VAGA.HHZ. 2022-08-26T07:04:23.17 0.1 undecidable manual P 242 37.0296 99 -0.07 94
IV.SGG.HNE. 2022-08-26T07:04:22.18 0.1 undecidable manual P 225 29.2485 103 0.12 93
IV.MIDA.HHZ. 2022-08-26T07:04:22.08 0.3 undecidable manual P 284 31.8459 101 -0.37 67
IV.SACR.HHZ. 2022-08-26T07:04:21.16 0.3 positive manual P 161 20.5683 112 0.37 68
IV.BSSO.HHZ. 2022-08-26T07:04:21.17 0.6 undecidable manual S 222 4.0959 161 0.06 50
IV.BSSO.HHZ. 2022-08-26T07:04:19.01 0.1 positive manual P 222 4.0959 161 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BSSO.HHE. ML:1.6 0.000413 0.3 AML other m 2022-08-26T07:04:21.39
IV.BSSO.HHN. ML:1.2 0.000167 0.54 AML other m 2022-08-26T07:04:21.83
IV.SACR.HHE. ML:0.9 0.0000538 0.68 AML other m 2022-08-26T07:04:25.05
IV.SACR.HHN. ML:0.9 0.000054399999999999994 0.26 AML other m 2022-08-26T07:04:26.53
IV.BSSO.HNE. ML:1.5 0.0003729999 0.2976 AML other m 2022-08-26T07:04:21.39
IV.BSSO.HNN. ML:1.1 0.00013781315 0.2816 AML other m 2022-08-26T07:04:22.32
IV.MIDA.HHE. ML:0.8 0.000032235615 0.2208 AML other m 2022-08-26T07:04:27.63
IV.MIDA.HHN. ML:0.8 0.00002355241 0.2592 AML other m 2022-08-26T07:04:28.50
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