Earthquake with magnitude of ML 0.7 on date 21-12-2020 and time 22:15:57 (Italy) in region 2 km SE Montemiletto (AV)

A magnitude ML 0.7 earthquake occured in region: 2 km SE Montemiletto (AV), on

  • 21-12-2020 21:15:57 (UTC)
  • 21-12-2020 22:15:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.0020, 14.9260 at 13 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
Montemiletto AV 2 5313 5313
Torre Le Nocelle AV 3 1324 6637
Lapio AV 3 1572 8209
Taurasi AV 3 2377 10586
Venticano AV 5 2537 13123
Pietradefusi AV 5 2348 15471
Montefalcione AV 5 3359 18830
Luogosano AV 6 1187 20017
Sant'Angelo all'Esca AV 6 801 20818
San Mango sul Calore AV 6 1185 22003
Pratola Serra AV 6 3764 25767
Santa Paolina AV 7 1256 27023
Mirabella Eclano AV 7 7684 34707
Montefusco AV 7 1338 36045
Prata di Principato Ultra AV 8 2944 38989
Chiusano di San Domenico AV 8 2277 41266
San Nazzaro BN 8 884 42150
Candida AV 8 1147 43297
Fontanarosa AV 8 3170 46467
Tufo AV 9 889 47356
Parolise AV 9 663 48019
San Giorgio del Sannio BN 9 10022 58041
Manocalzati AV 9 3160 61201
San Potito Ultra AV 9 1558 62759
Castelvetere sul Calore AV 9 1615 64374
Calvi BN 9 2682 67056
Salza Irpina AV 10 772 67828
Paternopoli AV 10 2384 70212
Sorbo Serpico AV 10 583 70795
Torrioni AV 10 549 71344
Montefredane AV 10 2297 73641
San Martino Sannita BN 11 1230 74871
Montemarano AV 11 2851 77722
Petruro Irpino AV 11 349 78071
San Nicola Manfredi BN 12 3722 81793
Atripalda AV 12 11020 92813
Grottolella AV 12 1869 94682
Gesualdo AV 12 3516 98198
Chianche AV 12 475 98673
Castelfranci AV 12 2041 100714
Altavilla Irpina AV 12 4196 104910
Sant'Angelo a Cupolo BN 13 4325 109235
Santo Stefano del Sole AV 13 2208 111443
Bonito AV 13 2448 113891
Apice BN 13 5686 119577
Capriglia Irpina AV 14 2398 121975
Volturara Irpina AV 14 3289 125264
Grottaminarda AV 14 8137 133401
Villamaina AV 14 995 134396
Cesinali AV 14 2584 136980
Frigento AV 15 3780 140760
Avellino AV 15 54857 195617
Ceppaloni BN 15 3415 199032
Santa Lucia di Serino AV 15 1402 200434
San Michele di Serino AV 15 2530 202964
Aiello del Sabato AV 15 3958 206922
Arpaise BN 16 761 207683
Melito Irpino AV 16 1920 209603
Sant'Angelo a Scala AV 16 730 210333
Sturno AV 16 3080 213413
Summonte AV 16 1583 214996
San Leucio del Sannio BN 16 3106 218102
Pietrastornina AV 17 1553 219655
Ospedaletto d'Alpinolo AV 17 2145 221800
Serino AV 17 7034 228834
Cassano Irpino AV 17 982 229816
Torella dei Lombardi AV 17 2144 231960
Roccabascerana AV 18 2354 234314
Mercogliano AV 18 12267 246581
Nusco AV 19 4203 250784
Sant'Arcangelo Trimonte BN 19 573 251357
Pannarano BN 19 2130 253487
Benevento BN 19 60091 313578
Paduli BN 19 3978 317556
Montella AV 19 7780 325336
Contrada AV 20 3053 328389
Solofra AV 20 12495 340884

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NE of Avellino (54857 inhabitants)
19 Km SE of Benevento (60091 inhabitants)
38 Km NE of Cava de' Tirreni (53659 inhabitants)
39 Km NE of Salerno (135261 inhabitants)
44 Km NE of Scafati (50787 inhabitants)
44 Km N of Battipaglia (50786 inhabitants)
47 Km E of Acerra (59573 inhabitants)
50 Km E of Caserta (76326 inhabitants)
51 Km NE of Castellammare di Stabia (66466 inhabitants)
52 Km E of Portici (55274 inhabitants)
52 Km E of Afragola (65057 inhabitants)
53 Km E of Torre del Greco (86275 inhabitants)
53 Km E of Ercolano (53709 inhabitants)
54 Km E of Casoria (77642 inhabitants)
59 Km E of Napoli (974074 inhabitants)
60 Km E of Aversa (53047 inhabitants)
61 Km E of Giugliano in Campania (122974 inhabitants)
63 Km E of Marano di Napoli (59874 inhabitants)
72 Km E of Pozzuoli (81661 inhabitants)
73 Km SW of Foggia (151991 inhabitants)
84 Km W of Potenza (67122 inhabitants)
85 Km SW of San Severo (53905 inhabitants)
87 Km W of Cerignola (58396 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 0.7 2020-12-21
21:15:57
41.0017 14.9262 13 2021-02-26
14:56:17
Bollettino Sismico Italiano INGV 86638271
Reviewed
Rev100
ML 0.8 2020-12-21
21:15:57
40.9913 14.9332 21 2020-12-21
21:34:38
Sala Sismica INGV-Roma 85610881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-21 21:15:57 ± 0.16
Latitude 41.0017 ± 0.0081
Longitude 14.9262 ± 0.0083
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86638271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 896
Semi-minor axis of confidence ellipse (meter) 641
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
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) 0.28778
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 5
Type of magnitude ML
Reference to an origin 86638271
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-27 20:23:45

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 5
Type of magnitude ML
Reference to an origin 85610881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-21 21:34:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IOCA.HHZ. 2020-12-21T21:16:14.65 3.0 positive manual P 0 0
IV.SNAL.HHZ. 2020-12-21T21:16:07.04 0.3 undecidable manual S 110 25.1526 99 0.25 70
IV.PSB1.HHZ. 2020-12-21T21:16:07.31 0.3 undecidable manual S 339 26.4513 98 0.19 71
IV.CAFE.HNZ. 2020-12-21T21:16:06.79 0.3 undecidable manual S 83 26.1516 98 -0.26 70
IX.MNT3.HHZ.02 2020-12-21T21:16:05.29 0.3 undecidable manual S 160 19.4694 105 -0.01 74
IV.MRB1.HHZ. 2020-12-21T21:16:03.99 0.6 undecidable manual S 15 13.875 118 0.09 49
IV.CAFE.HNZ. 2020-12-21T21:16:03.37 0.3 undecidable manual P 83 26.1516 98 0.32 69
IV.VITU.HHZ. 2020-12-21T21:16:03.88 0.3 undecidable manual P 309 31.9458 96 -0.05 72
IV.PSB1.HHZ. 2020-12-21T21:16:02.88 0.3 undecidable manual P 339 26.4513 98 -0.21 70
IX.MNT3.HHZ.02 2020-12-21T21:16:02.35 0.3 undecidable manual P 160 19.4694 105 0.31 70
IV.SNAL.HHZ. 2020-12-21T21:16:02.59 0.3 undecidable manual P 110 25.1526 99 -0.3 69
IX.LGS3.HNZ. 2020-12-21T21:16:02.29 0.6 undecidable manual S 107 5.6943 150 -0.03 51
IV.MRB1.HHZ. 2020-12-21T21:16:01.13 0.1 undecidable manual P 15 13.875 118 -0.1 98
IX.LGS3.HNZ. 2020-12-21T21:16:00.23 0.1 undecidable manual P 107 5.6943 150 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNAL.HHN. ML:0.7 0.000023373035 0.272 AML other m 2020-12-21T21:16:01.55
IX.MNT3.HHN.02 ML:0.9 0.0000566618 0.0896 AML other m 2020-12-21T21:16:05.64
IX.MNT3.HHE.02 ML:0.7 0.000033503425000000004 0.1408 AML other m 2020-12-21T21:16:06.74
IV.MRB1.HHN. ML:0.6 0.000038237185 0.4608 AML other m 2020-12-21T21:16:07.67
IV.MRB1.HHE. ML:0.5 0.000027949335000000003 1.4496 AML other m 2020-12-21T21:16:10.11
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