Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 28-07-2022 and time 02:12:49 (Italy) in region 4 km E Colliano (SA)

A magnitude ML 0.8 earthquake occured in region: 4 km E Colliano (SA), on

  • 28-07-2022 00:12:49 (UTC)
  • 28-07-2022 02:12:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7400, 15.3340 at 14 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
Colliano SA 4 3638 3638
Valva SA 5 1643 5281
Laviano SA 6 1438 6719
Santomenna SA 8 443 7162
Castelnuovo di Conza SA 9 619 7781
Palomonte SA 9 3985 11766
Oliveto Citra SA 10 3802 15568
Castelgrande PZ 10 943 16511
San Gregorio Magno SA 11 4286 20797
Calabritto AV 11 2391 23188
Senerchia AV 11 842 24030
Pescopagano PZ 12 1910 25940
Sant'Andrea di Conza AV 12 1539 27479
Caposele AV 12 3483 30962
Buccino SA 12 5047 36009
Contursi Terme SA 13 3394 39403
Muro Lucano PZ 13 5497 44900
Conza della Campania AV 13 1373 46273
Teora AV 14 1537 47810
Ricigliano SA 15 1144 48954
Romagnano al Monte SA 15 368 49322
Bella PZ 17 5171 54493
Cairano AV 18 326 54819
Balvano PZ 18 1830 56649
Rapone PZ 18 990 57639
Salvitelle SA 20 560 58199
San Fele PZ 20 3004 61203
Lioni AV 20 6201 67404
Sicignano degli Alburni SA 20 3519 70923

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Battipaglia (50786 inhabitants)
41 Km W of Potenza (67122 inhabitants)
49 Km E of Salerno (135261 inhabitants)
49 Km E of Avellino (54857 inhabitants)
53 Km E of Cava de' Tirreni (53659 inhabitants)
64 Km SE of Benevento (60091 inhabitants)
68 Km E of Scafati (50787 inhabitants)
72 Km E of Castellammare di Stabia (66466 inhabitants)
76 Km SW of Cerignola (58396 inhabitants)
82 Km E of Torre del Greco (86275 inhabitants)
82 Km S of Foggia (151991 inhabitants)
83 Km E of Portici (55274 inhabitants)
84 Km E of Ercolano (53709 inhabitants)
84 Km E of Acerra (59573 inhabitants)
89 Km E of Afragola (65057 inhabitants)
90 Km E of Casoria (77642 inhabitants)
92 Km E of Napoli (974074 inhabitants)
92 Km E of Caserta (76326 inhabitants)
97 Km SW of Andria (100440 inhabitants)
98 Km E of Giugliano in Campania (122974 inhabitants)
98 Km E of Marano di Napoli (59874 inhabitants)
98 Km E of Aversa (53047 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 0.8 2022-07-28
00:12:49		 40.7395 15.3337 14 2022-07-28
00:18:49		 Sala Sismica INGV-Roma 107774751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-28 00:12:49 ± 0.11
Latitude 40.7395 ± 0.0045
Longitude 15.3337 ± 0.0059
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 107774751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 533
Semi-minor axis of confidence ellipse (meter) 294
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 195
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.25091
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 18
Type of magnitude ML
Reference to an origin 107774751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-28 00:18:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CDRU.HHZ. 2022-07-28T00:12:58.98 0.6 undecidable manual S 185 27.8499 102 -0.16 63
IV.MCRV.HHZ. 2022-07-28T00:12:55.51 0.6 undecidable manual S 289 14.6742 122 -0.34 62
IV.MRLC.HHZ. 2022-07-28T00:12:55.41 0.6 undecidable manual S 82 13.1757 126 -0.11 65
IX.CMP3.HNE.02 2022-07-28T00:12:54.41 0.3 undecidable manual P 246 23.4543 106 0.14 96
IV.CDRU.HHZ. 2022-07-28T00:12:54.83 0.6 undecidable manual P 185 27.8499 102 -0.1 63
IX.COL3.HHZ.02 2022-07-28T00:12:54.22 0.6 undecidable manual S 183 5.7942 153 -0.01 66
IV.SNAL.HHE. 2022-07-28T00:12:54.38 0.6 undecidable manual P 333 23.1546 106 0.16 64
IX.NSC3.HNE.02 2022-07-28T00:12:53.82 0.6 undecidable manual P 304 21.3675 108 -0.15 63
IV.MCRV.HHZ. 2022-07-28T00:12:53.24 0.6 undecidable manual P 289 14.6742 122 0.21 64
IV.MRLC.HHZ. 2022-07-28T00:12:52.93 0.6 undecidable manual P 82 13.1757 126 0.09 65
IX.COL3.HHZ.02 2022-07-28T00:12:52.11 0.3 undecidable manual P 183 5.7942 153 0.02 100
IX.SNR3.EHZ.02 2022-07-28T00:12:52.82 0.6 negative manual P 268 11.877 130 0.14 65
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.COL3.HHE.02 ML:0.9 0.00008719459 0.176 AML other m 2022-07-28T00:12:54.45
IX.COL3.HHN.02 ML:0.8 0.00007166425999999999 0.16 AML other m 2022-07-28T00:12:56.30
IX.SNR3.EHE.02 ML:0.4 0.000025668134999999998 0.56 AML other m 2022-07-28T00:12:56.17
IV.MCRV.HHN. ML:0.8 0.00005327044 0.1 AML other m 2022-07-28T00:12:57.01
IV.MCRV.HHE. ML:0.6 0.0000353 0.88 AML other m 2022-07-28T00:12:57.02
IX.SNR3.EHN.02 ML:0.7 0.000046740625 0.288 AML other m 2022-07-28T00:12:56.33
IX.COL3.HNE.01 ML:1.5 0.000328613125 7.328 AML other m 2022-07-28T00:12:59.17
IX.COL3.HNN.01 ML:1.4 0.000284772197 1.84 AML other m 2022-07-28T00:12:56.12
IX.SNR3.HNE.01 ML:1.4 0.0002519077 4.48 AML other m 2022-07-28T00:12:58.33
IX.SNR3.HNN.01 ML:1.4 0.00023918833 1.712 AML other m 2022-07-28T00:12:57.17
IV.MRLC.HHE. ML:0.4 0.000018586125000000003 1.84 AML other m 2022-07-28T00:12:58.04
IV.MRLC.HHN. ML:0.4 0.000018384771 0.34 AML other m 2022-07-28T00:12:56.47
IV.MRLC.HNE. ML:0.2 0.00001404091055 4.94 AML other m 2022-07-28T00:13:01.59
IV.MRLC.HNN. ML:0.5 0.0000243054385 1.4 AML other m 2022-07-28T00:12:56.48
IV.CDRU.HNE. ML:1.2 0.00008629939000000001 1.47 AML other m 2022-07-28T00:13:02.52
IV.CDRU.HNN. ML:1.0 0.000053902409999999995 2.79 AML other m 2022-07-28T00:13:02.73
IV.CDRU.HHE. ML:0.8 0.000030357875 0.3 AML other m 2022-07-28T00:12:59.72
IV.CDRU.HHN. ML:0.3 0.000009077638500000001 1.86 AML other m 2022-07-28T00:13:00.54
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