Earthquake with magnitude of ML 1.6 on date 04-05-2021 and time 11:31:36 (Italy) in region 2 km W Galluccio (CE)

A magnitude ML 1.6 earthquake occured in region: 2 km W Galluccio (CE), on

  • 04-05-2021 09:31:36 (UTC)
  • 04-05-2021 11:31:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3470, 13.9320 at 8 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Galluccio CE 2 2154 2154
Conca della Campania CE 5 1239 3393
Rocca d'Evandro CE 6 3283 6676
Sant'Ambrogio sul Garigliano FR 7 966 7642
Sant'Andrea del Garigliano FR 8 1505 9147
Tora e Piccilli CE 8 910 10057
Roccamonfina CE 8 3511 13568
Mignano Monte Lungo CE 8 3250 16818
Marzano Appio CE 10 2226 19044
Vallemaio FR 10 937 19981
Sant'Apollinare FR 10 1919 21900
Castelforte LT 10 4386 26286
Santi Cosma e Damiano LT 11 6897 33183
San Pietro Infine CE 11 944 34127
Sessa Aurunca CE 12 21727 55854
Coreno Ausonio FR 13 1644 57498
Presenzano CE 13 1766 59264
San Vittore del Lazio FR 13 2636 61900
Caianello CE 13 1824 63724
Sesto Campano IS 15 2388 66112
Castelnuovo Parano FR 15 883 66995
Cervaro FR 15 8109 75104
Ausonia FR 15 2619 77723
San Giorgio a Liri FR 15 3164 80887
Pignataro Interamna FR 16 2595 83482
Teano CE 16 12577 96059
Vairano Patenora CE 17 6594 102653
Spigno Saturnia LT 17 2961 105614
Cellole CE 17 7830 113444
Conca Casale IS 18 200 113644
Minturno LT 18 19783 133427
Carinola CE 18 7283 140710
Venafro IS 18 11280 151990
Cassino FR 18 36142 188132
Pietravairano CE 20 2984 191116
Falciano del Massico CE 20 3695 194811
Viticuso FR 20 353 195164

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km NW of Caserta (76326 inhabitants)
48 Km NW of Aversa (53047 inhabitants)
52 Km NW of Giugliano in Campania (122974 inhabitants)
54 Km NW of Marano di Napoli (59874 inhabitants)
57 Km NW of Afragola (65057 inhabitants)
57 Km N of Pozzuoli (81661 inhabitants)
58 Km NW of Casoria (77642 inhabitants)
58 Km NW of Acerra (59573 inhabitants)
62 Km NW of Napoli (974074 inhabitants)
68 Km NW of Portici (55274 inhabitants)
69 Km NW of Ercolano (53709 inhabitants)
72 Km NW of Torre del Greco (86275 inhabitants)
75 Km W of Benevento (60091 inhabitants)
83 Km NW of Scafati (50787 inhabitants)
86 Km NW of Castellammare di Stabia (66466 inhabitants)
87 Km E of Latina (125985 inhabitants)
87 Km NW of Avellino (54857 inhabitants)
97 Km NW of Cava de' Tirreni (53659 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 1.6 2021-05-04
09:31:36
41.3472 13.9318 8 2021-12-29
11:11:59
Bollettino Sismico Italiano INGV 90189401
Reviewed
Rev100
ML 1.5 2021-05-04
09:31:36
41.3523 13.9393 8 2021-05-04
09:40:59
Sala Sismica INGV-Roma 89761461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-04 09:31:36 ± 0.14
Latitude 41.3472 ± 0.0072
Longitude 13.9318 ± 0.0096
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90189401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 919
Semi-minor axis of confidence ellipse (meter) 198
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 42
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.16907
Epicentral distance of station farthest from the epicenter (degree) 0.67269
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 90189401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-02 10:11:47

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 89761461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-04 09:40:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.POFI.HHN. 2021-05-04T09:31:51.75 0.6 undecidable manual S 336 44.9217 50 0.26 46
IV.MIDA.HHZ. 2021-05-04T09:31:50.72 0.6 undecidable manual S 39 42.2244 50 -0.05 49
IV.SGG.HNE. 2021-05-04T09:31:50.17 0.6 undecidable manual S 83 37.5291 50 0.67 42
IV.VENT.EHE. 2021-05-04T09:31:50.32 0.3 undecidable manual P 215 74.6697 50 0.67 59
IV.CERA.HHZ. 2021-05-04T09:31:47.14 0.6 undecidable manual S 14 28.749 105 0.54 45
IV.VVLD.HHZ. 2021-05-04T09:31:47.04 0.3 undecidable manual P 336 63.3921 50 -0.86 55
IV.VAGA.HHZ. 2021-05-04T09:31:46.07 0.6 undecidable manual S 73 26.2515 106 0.29 48
IV.RNI2.HHE. 2021-05-04T09:31:45.06 0.6 undecidable manual P 25 43.5231 50 0.21 47
IV.PIGN.HHZ. 2021-05-04T09:31:45.60 0.6 undecidable manual S 128 26.3514 106 -0.21 49
IV.POFI.HHN. 2021-05-04T09:31:44.59 0.3 undecidable manual P 336 44.9217 50 -0.48 67
IV.LRP.EHZ. 2021-05-04T09:31:44.95 0.3 undecidable manual P 319 43.9227 50 0.04 73
IV.MIDA.HHZ. 2021-05-04T09:31:44.53 0.1 undecidable manual P 39 42.2244 50 -0.12 96
IV.SGG.HNE. 2021-05-04T09:31:43.83 0.3 undecidable manual P 83 37.5291 50 -0.09 73
IV.MCI.EHZ. 2021-05-04T09:31:43.59 0.6 undecidable manual S 328 18.7701 112 0.26 49
IV.VAGA.HHZ. 2021-05-04T09:31:41.56 0.1 undecidable manual P 73 26.2515 106 -0.21 97
IV.PIGN.HHZ. 2021-05-04T09:31:41.72 0.1 undecidable manual P 128 26.3514 106 -0.06 100
IV.CERA.HHZ. 2021-05-04T09:31:41.94 0.3 undecidable manual P 14 28.749 105 -0.3 71
IV.MCI.EHZ. 2021-05-04T09:31:40.48 0.1 undecidable manual P 328 18.7701 112 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCI.EHN. ML:1.9 0.000616 0.24 AML other m 2021-05-04T09:31:44.92
IV.MCI.EHE. ML:2.0 0.0007830000000000001 0.32 AML other m 2021-05-04T09:31:46.78
IV.PIGN.HHN. ML:1.4 0.0001305 0.42 AML other m 2021-05-04T09:31:47.81
IV.CERA.HNE. ML:1.8 0.0003545 0.52 AML other m 2021-05-04T09:31:48.65
IV.CERA.HHE. ML:1.8 0.000363 0.52 AML other m 2021-05-04T09:31:48.65
IV.CERA.HHN. ML:1.7 0.000275 0.44 AML other m 2021-05-04T09:31:49.05
IV.CERA.HNN. ML:1.7 0.000249 0.44 AML other m 2021-05-04T09:31:49.05
IV.PIGN.HNN. ML:1.4 0.00012949821 0.416 AML other m 2021-05-04T09:31:49.06
IV.VAGA.HNE. ML:1.5 0.00016517965 0.4032 AML other m 2021-05-04T09:31:49.77
IV.VAGA.HHE. ML:1.5 0.00016649999999999998 0.38 AML other m 2021-05-04T09:31:49.57
IV.PIGN.HHE. ML:1.3 0.00010250000000000001 1.48 AML other m 2021-05-04T09:31:49.94
IV.VAGA.HHN. ML:1.7 0.00028000000000000003 0.26 AML other m 2021-05-04T09:31:50.42
IV.VAGA.HNN. ML:1.7 0.0002684684 0.2624 AML other m 2021-05-04T09:31:50.42
IV.PIGN.HNE. ML:1.4 0.00014669460000000002 0.5312 AML other m 2021-05-04T09:31:51.80
IV.MIDA.HHN. ML:1.4 0.00008249999999999999 0.34 AML other m 2021-05-04T09:31:56.43
IV.MIDA.HNE. ML:1.4 0.000075988475 0.3392 AML other m 2021-05-04T09:31:56.43
IV.MIDA.HHE. ML:1.2 0.00004845 0.78 AML other m 2021-05-04T09:32:00.90
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