Earthquake with magnitude of Md 1.3 on date 14-03-2021 and time 16:59:55 (Italy) in region Campi Flegrei

A magnitude Md 1.3 earthquake occured in region: Campi Flegrei, on

  • 14-03-2021 15:59:55 (UTC)
  • 14-03-2021 16:59:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.8320, 14.1280 at 2 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
Pozzuoli NA 4 81661 81661
Quarto NA 5 40930 122591
Bacoli NA 6 26560 149151
Monte di Procida NA 7 12886 162037
Marano di Napoli NA 9 59874 221911
Calvizzano NA 10 12329 234240
Qualiano NA 10 25702 259942
Napoli NA 10 974074 1234016
Mugnano di Napoli NA 11 34828 1268844
Procida NA 11 10530 1279374
Villaricca NA 12 31122 1310496
Giugliano in Campania NA 13 122974 1433470
Melito di Napoli NA 14 37826 1471296
Parete CE 14 11442 1482738
Casavatore NA 15 18661 1501399
Sant'Antimo NA 15 33905 1535304
Arzano NA 15 34886 1570190
Casandrino NA 16 14336 1584526
Casoria NA 16 77642 1662168
Grumo Nevano NA 16 18061 1680229
Lusciano CE 16 15362 1695591
Trentola-Ducenta CE 17 19429 1715020
Cesa CE 17 8841 1723861
Aversa CE 17 53047 1776908
Frattamaggiore NA 17 30329 1807237
San Giorgio a Cremano NA 17 45557 1852794
Sant'Arpino CE 18 14307 1867101
Casapesenna CE 18 6987 1874088
San Marcellino CE 18 14155 1888243
Afragola NA 18 65057 1953300
Succivo CE 18 8457 1961757
Frattaminore NA 18 16208 1977965
Ischia NA 19 19915 1997880
Ercolano NA 19 53709 2051589
Frignano CE 19 9008 2060597
San Cipriano d'Aversa CE 19 13653 2074250
Villa di Briano CE 19 7087 2081337
Gricignano di Aversa CE 19 11881 2093218
Crispano NA 19 12354 2105572
Cardito NA 19 22755 2128327
Portici NA 19 55274 2183601
Volla NA 19 23755 2207356
Carinaro CE 19 7181 2214537
Orta di Atella CE 19 27191 2241728
Teverola CE 19 14291 2256019
Casal di Principe CE 20 21389 2277408
Cercola NA 20 18267 2295675
Casaluce CE 20 10078 2305753

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km SE of Pozzuoli (81661 inhabitants)
9 Km SW of Marano di Napoli (59874 inhabitants)
10 Km W of Napoli (974074 inhabitants)
13 Km SW of Giugliano in Campania (122974 inhabitants)
16 Km SW of Casoria (77642 inhabitants)
17 Km SW of Aversa (53047 inhabitants)
18 Km SW of Afragola (65057 inhabitants)
19 Km W of Ercolano (53709 inhabitants)
19 Km W of Portici (55274 inhabitants)
21 Km W of Torre del Greco (86275 inhabitants)
24 Km SW of Acerra (59573 inhabitants)
32 Km SW of Caserta (76326 inhabitants)
33 Km W of Castellammare di Stabia (66466 inhabitants)
35 Km W of Scafati (50787 inhabitants)
51 Km W of Cava de' Tirreni (53659 inhabitants)
56 Km W of Salerno (135261 inhabitants)
57 Km W of Avellino (54857 inhabitants)
64 Km SW of Benevento (60091 inhabitants)
76 Km W 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
Md 1.3 2021-03-14
15:59:55
40.8315 14.1283 2 2021-07-12
16:55:09
Bollettino Sismico Italiano INGV 89601981
Reviewed
Rev200
Md 1.5 2021-03-14
15:59:56
40.8292 14.1365 2 2021-07-12
16:25:34
Sala Operativa INGV_OV (Napoli) 88131991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-14 15:59:55 ± 0.17
Latitude 40.8315 ± 0.0018
Longitude 14.1283 ± 0.0024
Depth (km) 2 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89601981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 226
Semi-minor axis of confidence ellipse (meter) 102
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 2
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 186
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.04047
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 88131991
Agency INGV
Autore Sala Operativa INGV_OV (Napoli)
Time of creation (UTC) 2021-03-14 16:15:03

Md:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude Md
Reference to an origin 89601981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-29 16:58:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRIS.HHZ. 2021-03-14T16:01:39.89 3.0 undecidable manual Sn -4.52 0
IV.BRSN.HNZ. 2021-03-14T16:01:39.24 3.0 undecidable manual Sn -3.62 0
SI.BOSI.HHZ. 2021-03-14T16:01:22.36 3.0 undecidable manual Pn 3.09 0
IV.NARO.HHZ. 2021-03-14T16:01:19.34 3.0 undecidable manual Sn -4.85 0
IV.ZONE.HHZ. 2021-03-14T16:01:11.51 3.0 positive manual Pn -4.67 0
IV.ALJA.HHZ. 2021-03-14T16:01:05.20 3.0 undecidable manual Sg 10.43 0
IV.RM33.HNZ. 2021-03-14T16:00:55.90 3.0 undecidable manual Sg 0.7 0
IV.GAVE.EHZ. 2021-03-14T16:00:49.94 3.0 undecidable manual Sn -9.99 0
IV.NARO.HHZ. 2021-03-14T16:00:44.97 3.0 undecidable manual Pg 6.65 0
IV.CRTC.HHZ. 2021-03-14T16:00:35.56 3.0 negative manual Pn -3.34 0
IV.GAVE.EHZ. 2021-03-14T16:00:28.80 3.0 undecidable manual Pg 2.91 0
IV.CET2.HHZ. 2021-03-14T16:00:14.21 3.0 undecidable manual Sn -0.38 0
IV.CFB2.HHZ. 2021-03-14T15:59:59.21 0.6 undecidable manual S 171 3.0969 125 -0.09 49
IV.CFB3.HHZ. 2021-03-14T15:59:59.04 0.3 undecidable manual S 170 2.4975 130 0.14 73
IV.CFMN.HHZ. 2021-03-14T15:59:59.02 0.6 undecidable manual S 273 2.8971 126 -0.17 48
IV.CBAC.EHE. 2021-03-14T15:59:59.98 0.6 undecidable manual S 238 4.4955 115 -0.55 44
IV.CFB1.HHE. 2021-03-14T15:59:59.25 0.6 undecidable manual S 194 2.3976 131 0.43 46
IV.CBAC.EHE. 2021-03-14T15:59:58.30 0.1 undecidable manual P 238 4.4955 115 -0.11 98
IV.CSFT.HHZ. 2021-03-14T15:59:58.01 0.6 undecidable manual S 105 0.999 155 0.03 50
IV.CPOZ.HHZ. 2021-03-14T15:59:58.39 0.3 undecidable manual S 215 1.3986 147 0.22 72
IV.CAAM.HHN. 2021-03-14T15:59:58.19 0.6 undecidable manual S 141 1.6983 142 -0.12 49
IV.CFMN.HHZ. 2021-03-14T15:59:57.77 0.1 undecidable manual P 273 2.8971 126 0.11 98
IV.CPIS.HHN. 2021-03-14T15:59:57.38 0.1 undecidable manual P 99 1.5984 143 0.23 96
IV.CFB1.HHE. 2021-03-14T15:59:57.49 0.1 undecidable manual P 194 2.3976 131 0.04 99
IV.CSOB.HHZ. 2021-03-14T15:59:57.14 0.1 undecidable manual P 108 1.3986 147 0.05 99
IV.CSFT.HHZ. 2021-03-14T15:59:57.13 0.1 negative manual P 105 0.999 155 0.15 97
IV.CFB2.HHZ. 2021-03-14T15:59:57.54 0.1 undecidable manual P 171 3.0969 125 -0.19 96
IV.CPIS.HHN. 2021-03-14T15:59:57.79 0.6 undecidable manual S 99 1.5984 143 -0.49 45
IV.CPOZ.HHZ. 2021-03-14T15:59:57.26 0.1 negative manual P 215 1.3986 147 0.17 97
IV.CAAM.HHN. 2021-03-14T15:59:57.15 0.1 undecidable manual P 141 1.6983 142 -0.02 100
IV.CFB3.HHZ. 2021-03-14T15:59:57.43 0.1 undecidable manual P 170 2.4975 130 -0.07 99
IV.CSOB.HHZ. 2021-03-14T15:59:57.78 0.6 undecidable manual S 108 1.3986 147 -0.4 46
IV.PAOL.HHZ. 2021-03-14T15:59:54.60 3.0 positive manual P -2.36 0
IX.CSG3.HNZ.01 2021-03-14T15:59:53.19 3.0 undecidable manual P -0.48 0
IX.STN3.HNZ.01 2021-03-14T15:59:53.10 3.0 undecidable manual P 1.47 0
IV.MCRV.HHZ. 2021-03-14T15:59:51.29 3.0 undecidable manual Pn -0.2 0
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