Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 27-02-2021 and time 14:32:27 (Italy) in region 1 km E Flumeri (AV)

A magnitude ML 1.2 earthquake occured in region: 1 km E Flumeri (AV), on

  • 27-02-2021 13:32:27 (UTC)
  • 27-02-2021 14:32:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.0760, 15.1640 at 20 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
Flumeri AV 1 2963 2963
San Nicola Baronia AV 3 771 3734
San Sossio Baronia AV 4 1643 5377
Castel Baronia AV 4 1129 6506
Villanova del Battista AV 5 1690 8196
Carife AV 7 1408 9604
Trevico AV 7 993 10597
Zungoli AV 7 1099 11696
Sturno AV 7 3080 14776
Vallesaccarda AV 8 1386 16162
Vallata AV 9 2714 18876
Grottaminarda AV 9 8137 27013
Frigento AV 9 3780 30793
Melito Irpino AV 10 1920 32713
Ariano Irpino AV 11 22700 55413
Gesualdo AV 11 3516 58929
Scampitella AV 11 1234 60163
Anzano di Puglia FG 12 1284 61447
Monteleone di Puglia FG 13 1021 62468
Villamaina AV 13 995 63463
Fontanarosa AV 13 3170 66633
Rocca San Felice AV 14 851 67484
Bonito AV 14 2448 69932
Guardia Lombardi AV 14 1718 71650
Mirabella Eclano AV 15 7684 79334
Torella dei Lombardi AV 15 2144 81478
Paternopoli AV 16 2384 83862
Sant'Angelo all'Esca AV 16 801 84663
Sant'Angelo dei Lombardi AV 16 4250 88913
Accadia FG 17 2376 91289
Savignano Irpino AV 17 1140 92429
Montecalvo Irpino AV 17 3725 96154
Luogosano AV 17 1187 97341
Morra De Sanctis AV 18 1297 98638
Taurasi AV 19 2377 101015
Panni FG 19 804 101819
Castelfranci AV 19 2041 103860
Bisaccia AV 19 3831 107691
Greci AV 19 691 108382

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Benevento (60091 inhabitants)
36 Km NE of Avellino (54857 inhabitants)
54 Km SW of Foggia (151991 inhabitants)
54 Km N of Battipaglia (50786 inhabitants)
56 Km NE of Salerno (135261 inhabitants)
57 Km NE of Cava de' Tirreni (53659 inhabitants)
65 Km NE of Scafati (50787 inhabitants)
66 Km W of Cerignola (58396 inhabitants)
68 Km E of Acerra (59573 inhabitants)
70 Km E of Caserta (76326 inhabitants)
70 Km S of San Severo (53905 inhabitants)
71 Km NE of Castellammare di Stabia (66466 inhabitants)
73 Km NW of Potenza (67122 inhabitants)
73 Km E of Portici (55274 inhabitants)
74 Km E of Afragola (65057 inhabitants)
74 Km E of Torre del Greco (86275 inhabitants)
75 Km E of Ercolano (53709 inhabitants)
76 Km E of Casoria (77642 inhabitants)
81 Km E of Napoli (974074 inhabitants)
81 Km E of Aversa (53047 inhabitants)
82 Km E of Giugliano in Campania (122974 inhabitants)
84 Km E of Marano di Napoli (59874 inhabitants)
88 Km SW of Manfredonia (57279 inhabitants)
94 Km E of Pozzuoli (81661 inhabitants)
96 Km W of Andria (100440 inhabitants)
97 Km W of Barletta (94814 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 		Md 1.5
ML 1.2 		2021-02-27
13:32:27		 41.0758 15.1638 20 2021-07-12
16:55:00		 Bollettino Sismico Italiano INGV 87716371
Reviewed
Rev100 		Md 1.5 2021-02-27
13:32:28		 41.0893 15.1527 16 2021-02-27
13:40:41		 Sala Sismica INGV-Roma 87541371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-27 13:32:27 ± 0.22
Latitude 41.0758 ± 0.0072
Longitude 15.1638 ± 0.0167
Depth (km) 20 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87716371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1396
Semi-minor axis of confidence ellipse (meter) 209
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 281
Circular confidence region, given by single value of horizontal uncertainty (meter) 1400.0
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 17
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29318
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 87716371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-16 11:32:46

Md:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 5
Type of magnitude Md
Reference to an origin 87541371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-27 13:40:41

Md:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 5
Type of magnitude Md
Reference to an origin 87716371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-16 11:32:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENA.HHZ. 2021-02-27T13:33:17.96 3.0 undecidable manual Pg 10.84 0
GU.GRAM.HHZ. 2021-02-27T13:33:15.59 3.0 positive manual Pn 0.3 0
IV.MURB.HHZ. 2021-02-27T13:33:12.01 3.0 undecidable manual Sn -0.18 0
IV.MCRV.HHN. 2021-02-27T13:32:39.64 0.6 undecidable manual S 179 32.5452 112 0.14 48
IX.NSC3.HHZ.02 2021-02-27T13:32:38.34 0.6 undecidable manual S 188 25.6521 119 0.5 45
IV.SNAL.HHZ. 2021-02-27T13:32:36.36 0.6 undecidable manual S 167 17.0718 132 0.39 47
IV.BIOG.HHZ. 2021-02-27T13:32:36.12 0.6 undecidable manual S 349 13.9749 139 0.73 42
IV.SGTA.HHZ. 2021-02-27T13:32:36.36 0.6 undecidable manual S 69 18.0708 130 0.19 48
IV.MRB1.HNE. 2021-02-27T13:32:35.48 0.6 undecidable manual S 288 17.1717 132 -0.51 45
IV.CAFE.HHZ. 2021-02-27T13:32:34.33 0.3 undecidable manual S 131 8.0808 154 -0.19 73
IV.MCRV.HHN. 2021-02-27T13:32:34.64 0.3 undecidable manual P 179 32.5452 112 0.05 73
IX.NSC3.HHZ.02 2021-02-27T13:32:33.44 0.3 undecidable manual P 188 25.6521 119 -0.19 71
IV.BIOG.HHZ. 2021-02-27T13:32:32.68 0.6 undecidable manual P 349 13.9749 139 0.45 46
IV.SGTA.HHZ. 2021-02-27T13:32:32.54 0.1 undecidable manual P 69 18.0708 130 -0.13 98
IV.SNAL.HHZ. 2021-02-27T13:32:32.53 0.1 negative manual P 167 17.0718 132 -0.03 100
IV.MRB1.HNE. 2021-02-27T13:32:32.26 0.3 undecidable manual P 288 17.1717 132 -0.31 71
IV.CAFE.HHZ. 2021-02-27T13:32:31.50 0.1 negative manual P 131 8.0808 154 -0.22 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAFE.HNN. ML:1.3 0.00015453371000000003 0.2816 AML other m 2021-02-27T13:32:34.48
IV.CAFE.HHN. ML:1.2 0.00012669106 0.2624 AML other m 2021-02-27T13:32:34.49
IV.CAFE.HNE. ML:1.2 0.0001361898 0.1792 AML other m 2021-02-27T13:32:34.86
IV.CAFE.HHE. ML:1.2 0.000126402085 0.16 AML other m 2021-02-27T13:32:34.85
IV.SGTA.HNN. ML:1.8 0.00033398885 0.96 AML other m 2021-02-27T13:32:34.85
IV.SNAL.HHN. ML:0.8 0.000041483520000000005 0.2432 AML other m 2021-02-27T13:32:36.55
IV.SNAL.HNE. ML:1.2 0.00009543098 0.2432 AML other m 2021-02-27T13:32:36.56
IV.SNAL.HHE. ML:1.2 0.000101489385 0.2176 AML other m 2021-02-27T13:32:36.56
IV.SNAL.HNN. ML:1.0 0.000056733715 0.2624 AML other m 2021-02-27T13:32:36.56
IV.MRB1.HHN. ML:1.1 0.000086770625 0.2176 AML other m 2021-02-27T13:32:36.56
IV.SGTA.HHE. ML:1.3 0.00012096415000000001 0.4032 AML other m 2021-02-27T13:32:36.55
IV.SGTA.HHN. ML:1.0 0.000066865855 0.3392 AML other m 2021-02-27T13:32:36.79
IV.MRB1.HNN. ML:1.5 0.0001882886 0.8 AML other m 2021-02-27T13:32:37.78
IV.MRB1.HHE. ML:1.1 0.00007776099 0.2624 AML other m 2021-02-27T13:32:38.95
IX.CLT3.HHN.02 ML:1.4 0.00012658045000000002 0.128 AML other m 2021-02-27T13:32:39.14
IV.SGTA.HNE. ML:1.7 0.00030533135 0.8704 AML other m 2021-02-27T13:32:40.64
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