Earthquake (quarry blast) with magnitude of ML 1.1 on date 27-04-2022 and time 02:37:27 (UTC) in region 1 km NW Macchiagodena (IS)

A magnitude ML 1.1 (quarry blast) earthquake occured in region: 1 km NW Macchiagodena (IS), on

  • 27-04-2022 02:37:27 (UTC)
  • 27-04-2022 04:37:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5680, 14.3960 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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
Macchiagodena IS 1 1854 1854
Santa Maria del Molise IS 3 665 2519
Castelpetroso IS 4 1680 4199
Cantalupo nel Sannio IS 5 739 4938
Frosolone IS 6 3170 8108
Carpinone IS 7 1157 9265
Sant'Elena Sannita IS 7 275 9540
Spinete CB 8 1320 10860
San Massimo CB 8 855 11715
Roccamandolfi IS 9 938 12653
Sessano del Molise IS 10 727 13380
Pettoranello del Molise IS 10 460 13840
Castelpizzuto IS 10 155 13995
Pesche IS 11 1661 15656
Molise CB 11 167 15823
Civitanova del Sannio IS 11 945 16768
Bojano CB 11 8058 24826
Casalciprano CB 11 564 25390
Duronia CB 12 405 25795
Colle d'Anchise CB 12 807 26602
Chiauci IS 12 233 26835
Torella del Sannio CB 13 795 27630
Pescolanciano IS 13 855 28485
Longano IS 13 690 29175
Busso CB 14 1273 30448
Isernia IS 14 21842 52290
San Polo Matese CB 15 470 52760
Baranello CB 15 2673 55433
Sant'Agapito IS 15 1496 56929
Miranda IS 15 1047 57976
Castropignano CB 15 947 58923
Oratino CB 16 1641 60564
Campochiaro CB 16 646 61210
Bagnoli del Trigno IS 16 735 61945
Pietracupa CB 17 215 62160
Fossalto CB 17 1345 63505
Letino CE 18 712 64217
Vinchiaturo CB 18 3324 67541
Gallo Matese CE 18 579 68120
Carovilli IS 18 1359 69479
Macchia d'Isernia IS 19 1035 70514
Monteroduni IS 19 2264 72778
Guardiaregia CB 19 801 73579
Valle Agricola CE 20 890 74469
Roccasicura IS 20 550 75019

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km N of Caserta (76326 inhabitants)
58 Km NW of Benevento (60091 inhabitants)
68 Km N of Aversa (53047 inhabitants)
69 Km N of Acerra (59573 inhabitants)
72 Km N of Afragola (65057 inhabitants)
73 Km N of Giugliano in Campania (122974 inhabitants)
74 Km N of Casoria (77642 inhabitants)
76 Km N of Marano di Napoli (59874 inhabitants)
80 Km NW of Avellino (54857 inhabitants)
82 Km N of Napoli (974074 inhabitants)
83 Km N of Portici (55274 inhabitants)
83 Km W of San Severo (53905 inhabitants)
84 Km NE of Pozzuoli (81661 inhabitants)
84 Km N of Ercolano (53709 inhabitants)
87 Km N of Torre del Greco (86275 inhabitants)
89 Km S of Chieti (51815 inhabitants)
92 Km N of Scafati (50787 inhabitants)
96 Km W of Foggia (151991 inhabitants)
97 Km N of Castellammare di Stabia (66466 inhabitants)
100 Km N 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 1.1 2022-04-27
02:37:27
41.568 14.3955 1 2022-07-08
12:34:04
Bollettino Sismico Italiano INGV 106907211
Reviewed
Rev100
ML 1.1 2022-04-27
02:37:27
41.5993 14.4427 8 2022-04-27
02:43:59
Sala Sismica INGV-Roma 103827861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-27 02:37:27 ± 0.09
Latitude 41.5680 ± 0.0063
Longitude 14.3955 ± 0.0072
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 106907211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 810
Semi-minor axis of confidence ellipse (meter) 560
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 33
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) 100
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.12860
Epicentral distance of station farthest from the epicenter (degree) 0.53150
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:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 16
Type of magnitude ML
Reference to an origin 106907211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-07-07 14:30:35

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 103827861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-27 02:43:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.POFI.HNE. 2022-04-27T02:37:38.95 0.6 undecidable manual P 287 58.9965 90 -0.86 37
IV.GATE.HHZ. 2022-04-27T02:37:36.50 0.3 undecidable manual P 98 43.1235 91 -0.14 71
IV.SACR.HNN. 2022-04-27T02:37:34.38 0.3 undecidable manual P 126 31.9458 91 -0.01 74
IV.CERA.HNN. 2022-04-27T02:37:34.06 0.3 undecidable manual P 276 31.4463 91 -0.23 71
IV.RNI2.HNE. 2022-04-27T02:37:33.29 0.3 undecidable manual P 307 25.1526 91 0.27 71
IV.PTRJ.HHZ. 2022-04-27T02:37:33.32 0.3 undecidable manual P 154 25.1526 91 0.28 71
IV.PABO.HHN. 2022-04-27T02:37:32.32 0.3 undecidable manual P 358 20.0688 91 0.31 71
IV.VAGA.HHZ. 2022-04-27T02:37:32.39 0.1 undecidable manual P 218 21.5673 91 0.08 99
IV.SGG.HHZ. 2022-04-27T02:37:32.09 0.1 undecidable manual P 184 20.1687 91 0.06 100
IV.BSSO.HHZ. 2022-04-27T02:37:31.11 0.1 positive manual P 98 16.6722 92 -0.21 98
IV.MIDA.HHZ. 2022-04-27T02:37:30.91 0.3 undecidable manual P 305 14.2746 92 0.05 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BSSO.HNE. ML:1.1 0.00013624999999999998 0.64 AML other m 2022-04-27T02:37:36.72
IV.MIDA.HHE. ML:1.2 0.00017649999999999998 1.58 AML other m 2022-04-27T02:37:37.83
IV.BSSO.HHE. ML:1.1 0.0001395 0.38 AML other m 2022-04-27T02:37:37.23
IV.MIDA.HNE. ML:1.2 0.00017549999999999998 1.58 AML other m 2022-04-27T02:37:37.83
IV.VAGA.HHN. ML:1.5 0.00023899999999999998 0.34 AML other m 2022-04-27T02:37:38.38
IV.BSSO.HHN. ML:1.1 0.0001365 0.9 AML other m 2022-04-27T02:37:38.78
IV.MIDA.HNN. ML:1.3 0.00023365 0.9 AML other m 2022-04-27T02:37:38.79
IV.BSSO.HNN. ML:1.1 0.00013000000000000002 0.32 AML other m 2022-04-27T02:37:38.18
IV.SGG.HHN. ML:1.0 0.00007764999999999999 0.44 AML other m 2022-04-27T02:37:38.13
IV.SGG.HHE. ML:1.1 0.0001115 0.54 AML other m 2022-04-27T02:37:38.67
IV.MIDA.HHN. ML:1.1 0.0001585 0.28 AML other m 2022-04-27T02:37:40.21
IV.VAGA.HHE. ML:1.0 0.00008715 0.22 AML other m 2022-04-27T02:37:41.72
IV.LPEL.HHN. ML:0.8 0.000017250000000000003 1.84 AML other m 2022-04-27T02:37:47.95
IV.LPEL.HHE. ML:1.0 0.000023899999999999998 0.44 AML other m 2022-04-27T02:37:47.19
IV.INTR.HHE. ML:0.9 0.00001585 1.36 AML other m 2022-04-27T02:37:48.94
IV.INTR.HHN. ML:1.1 0.0000239 0.54 AML other m 2022-04-27T02:37:53.55
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