Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 27-02-2021 and time 03:50:20 (UTC) in region 3 km E Morcone (BN)

A magnitude ML 1.1 earthquake occured in region: 3 km E Morcone (BN), on

  • 27-02-2021 03:50:20 (UTC)
  • 27-02-2021 04:50:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.3360, 14.6940 at 10 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.

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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 3 4932 4932
Sassinoro BN 5 618 5550
Pontelandolfo BN 5 2167 7717
Campolattaro BN 6 1072 8789
Santa Croce del Sannio BN 7 927 9716
Casalduni BN 8 1378 11094
San Lupo BN 10 801 11895
Circello BN 10 2388 14283
Sepino CB 10 1964 16247
San Lorenzo Maggiore BN 11 2154 18401
Fragneto Monforte BN 12 1840 20241
Fragneto l'Abate BN 12 1049 21290
Guardia Sanframondi BN 12 5078 26368
Reino BN 12 1210 27578
Colle Sannita BN 12 2431 30009
Castelpagano BN 12 1483 31492
Pietraroja BN 12 545 32037
Cerreto Sannita BN 13 3940 35977
Ponte BN 14 2580 38557
Cercepiccola CB 14 681 39238
Cercemaggiore CB 14 3777 43015
San Giuliano del Sannio CB 14 1029 44044
San Lorenzello BN 14 2227 46271
Pesco Sannita BN 15 1972 48243
Cusano Mutri BN 15 4091 52334
Paupisi BN 16 1633 53967
San Marco dei Cavoti BN 16 3371 57338
Castelvenere BN 17 2562 59900
Torrecuso BN 17 3407 63307
Guardiaregia CB 17 801 64108
Pago Veiano BN 18 2406 66514
Vitulano BN 18 2944 69458
Telese Terme BN 19 7486 76944
Molinara BN 19 1618 78562
Faicchio BN 19 3634 82196
Solopaca BN 20 3820 86016
Vinchiaturo CB 20 3324 89340
Gildone CB 20 809 90149
Foglianise BN 20 3385 93534
San Salvatore Telesino BN 20 3999 97533

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Benevento (60091 inhabitants)
42 Km NE of Caserta (76326 inhabitants)
48 Km N of Avellino (54857 inhabitants)
51 Km NE of Acerra (59573 inhabitants)
56 Km NE of Afragola (65057 inhabitants)
57 Km NE of Aversa (53047 inhabitants)
59 Km NE of Casoria (77642 inhabitants)
61 Km NE of Giugliano in Campania (122974 inhabitants)
64 Km NE of Portici (55274 inhabitants)
64 Km NE of Marano di Napoli (59874 inhabitants)
65 Km NE of Ercolano (53709 inhabitants)
66 Km NE of Napoli (974074 inhabitants)
67 Km N of Scafati (50787 inhabitants)
67 Km NE of Torre del Greco (86275 inhabitants)
69 Km SW of San Severo (53905 inhabitants)
71 Km N of Cava de' Tirreni (53659 inhabitants)
72 Km W of Foggia (151991 inhabitants)
73 Km N of Salerno (135261 inhabitants)
73 Km N of Castellammare di Stabia (66466 inhabitants)
74 Km NE of Pozzuoli (81661 inhabitants)
85 Km N 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
Bulletin
Rev1000 		ML 1.1 2021-02-27
03:50:20		 41.3362 14.6943 10 2021-07-12
16:55:02		 Bollettino Sismico Italiano INGV 88185271
Reviewed
Rev100 		ML 1.0 2021-02-27
03:50:21		 41.3328 14.686 7 2021-02-27
03:55:11		 Sala Sismica INGV-Roma 87527331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-27 03:50:20 ± 0.08
Latitude 41.3362 ± 0.0045
Longitude 14.6943 ± 0.0072
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88185271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 573
Semi-minor axis of confidence ellipse (meter) 389
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 245
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.06205
Epicentral distance of station farthest from the epicenter (degree) 0.49103
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:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 87527331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-27 03:55:11

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 88185271
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-16 11:00:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MELA.HNN. 2021-02-27T03:50:38.58 0.6 undecidable manual S 41 54.501 50 0.43 42
IV.MRB1.HHZ. 2021-02-27T03:50:33.03 0.6 undecidable manual S 136 32.9448 50 0.65 41
IV.SGG.HHN. 2021-02-27T03:50:31.34 0.6 undecidable manual S 282 26.8509 110 0.59 42
IV.MELA.HNN. 2021-02-27T03:50:30.37 0.3 undecidable manual P 41 54.501 50 -0.47 63
IV.BSSO.HHZ. 2021-02-27T03:50:30.18 0.6 undecidable manual S 340 24.753 112 0.1 48
IV.MIDA.HNZ. 2021-02-27T03:50:29.64 0.3 undecidable manual P 313 49.9167 50 -0.48 63
IV.CIGN.HHZ. 2021-02-27T03:50:28.67 0.6 undecidable manual P 26 39.4272 50 0.17 46
IV.VAGA.HHZ. 2021-02-27T03:50:28.80 0.3 undecidable manual P 283 39.3273 50 0.31 67
IV.VITU.HHZ. 2021-02-27T03:50:27.94 0.6 undecidable manual S 198 17.7711 119 0.06 49
IV.PSB1.HHZ. 2021-02-27T03:50:27.54 0.6 undecidable manual S 142 15.873 122 0.24 47
IV.MRB1.HHZ. 2021-02-27T03:50:27.27 0.1 undecidable manual P 136 32.9448 50 -0.23 92
IV.SGG.HHN. 2021-02-27T03:50:26.65 0.3 undecidable manual P 282 26.8509 110 0.09 72
IV.BSSO.HHZ. 2021-02-27T03:50:26.14 0.3 undecidable manual P 340 24.753 112 -0.04 73
IV.PTRJ.HHZ. 2021-02-27T03:50:26.68 0.6 undecidable manual S 283 14.0748 125 -0.12 49
IV.SACR.HHZ. 2021-02-27T03:50:25.20 0.6 undecidable manual S 8 6.8931 145 0.21 48
IV.PTRJ.HHZ. 2021-02-27T03:50:24.07 0.3 undecidable manual P 283 14.0748 125 -0.21 72
IV.VITU.HHZ. 2021-02-27T03:50:24.71 0.3 undecidable manual P 198 17.7711 119 -0.2 71
IV.PSB1.HHZ. 2021-02-27T03:50:24.42 0.3 undecidable manual P 142 15.873 122 -0.15 72
IV.SACR.HHZ. 2021-02-27T03:50:23.19 0.1 positive manual P 8 6.8931 145 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SACR.HHN. ML:1.0 0.0001605 0.98 AML other m 2021-02-27T03:50:26.69
IV.SACR.HNE. ML:1.2 0.000229 0.88 AML other m 2021-02-27T03:50:27.27
IV.SACR.HHE. ML:1.1 0.000217 0.88 AML other m 2021-02-27T03:50:27.71
IV.SACR.HNN. ML:1.0 0.000163 1.5 AML other m 2021-02-27T03:50:27.94
IV.PSB1.HHE. ML:1.1 0.0001255 0.56 AML other m 2021-02-27T03:50:30.60
IV.PSB1.HHN. ML:1.0 0.00009035 0.78 AML other m 2021-02-27T03:50:33.21
IV.VAGA.HHN. ML:1.2 0.00005475 0.56 AML other m 2021-02-27T03:50:41.64
IV.VAGA.HHE. ML:0.8 0.00002465 0.52 AML other m 2021-02-27T03:50:42.04
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