Earthquake with magnitude of ML 1.3 on date 23-05-2020 and time 16:35:59 (Italy) in region 4 km S Montecilfone (CB)

A magnitude ML 1.3 earthquake occured in region: 4 km S Montecilfone (CB), on

  • 23-05-2020 14:35:59 (UTC)
  • 23-05-2020 16:35:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8720, 14.8460 at 18 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Montecilfone CB 4 1348 1348
Palata CB 5 1726 3074
Guglionesi CB 7 5321 8395
Tavenna CB 8 718 9113
Acquaviva Collecroce CB 8 672 9785
Guardialfiera CB 9 1065 10850
Larino CB 10 6793 17643
Montenero di Bisaccia CB 11 6675 24318
Castelmauro CB 12 1505 25823
San Felice del Molise CB 12 634 26457
Mafalda CB 14 1211 27668
San Giacomo degli Schiavoni CB 14 1406 29074
San Martino in Pensilis CB 14 4793 33867
Montorio nei Frentani CB 14 437 34304
Portocannone CB 15 2551 36855
Casacalenda CB 15 2135 38990
Ururi CB 15 2693 41683
Lupara CB 15 505 42188
Petacciato CB 16 3819 46007
Civitacampomarano CB 16 417 46424
Montemitro CB 17 395 46819
Provvidenti CB 17 119 46938
Montefalcone nel Sannio CB 17 1556 48494
Montelongo CB 17 365 48859
Castelbottaccio CB 17 312 49171
Campomarino CB 18 7712 56883
Morrone del Sannio CB 19 587 57470
Tufillo CH 19 406 57876
Fresagrandinaria CH 19 961 58837
Rotello CB 19 1212 60049
Dogliola CH 19 359 60408
Termoli CB 19 33739 94147
Lentella CH 20 689 94836

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km W of San Severo (53905 inhabitants)
74 Km NW of Foggia (151991 inhabitants)
77 Km SE of Chieti (51815 inhabitants)
83 Km N of Benevento (60091 inhabitants)
84 Km SE of Pescara (121014 inhabitants)
92 Km SE of Montesilvano (53738 inhabitants)
93 Km W of Manfredonia (57279 inhabitants)
98 Km NE of Caserta (76326 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
Reviewed
Rev100
ML 1.3 2020-05-23
14:35:59
41.8718 14.846 18 2020-05-23
14:46:52
Sala Sismica INGV-Roma 79482861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-23 14:35:59 ± 0.17
Latitude 41.8718 ± 0.0063
Longitude 14.8460 ± 0.0085
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79482861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 650
Semi-minor axis of confidence ellipse (meter) 427
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 254
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 22
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) 0.71406
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 79482861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-23 14:46:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGLI.HHZ. 2020-05-23T14:37:33.33 3.0 undecidable manual Sn 1.19 0
IV.SEI.HHZ. 2020-05-23T14:37:27.93 3.0 undecidable manual Sg 11.05 0
IV.LINA.HHZ. 2020-05-23T14:37:20.12 3.0 positive manual Pn 4.89 0
IV.RIBO.EHZ.01 2020-05-23T14:37:17.80 3.0 undecidable manual Sg 13.32 0
IV.ASQU.HHZ. 2020-05-23T14:37:06.94 3.0 undecidable manual Sn -0.19 0
GU.CANO.HHZ. 2020-05-23T14:37:03.32 3.0 negative manual Pn -1.93 0
IV.MNTV.HNZ. 2020-05-23T14:36:56.31 3.0 undecidable manual Pn 1.83 0
IV.EPOZ.HNZ. 2020-05-23T14:36:56.15 3.0 positive manual Pg 6.08 0
IV.MPPT.EHZ. 2020-05-23T14:36:50.81 3.0 undecidable manual Pg 10.61 0
IV.RIBO.EHZ.01 2020-05-23T14:36:44.64 3.0 positive manual Pg 12.3 0
XK.SELL.HHZ. 2020-05-23T14:36:39.37 3.0 undecidable manual Pn 0.38 0
XK.GIZZ.HHZ. 2020-05-23T14:36:32.19 3.0 negative manual Pn -4.49 0
IV.MURB.HNZ. 2020-05-23T14:36:28.69 3.0 undecidable manual Pg 5.16 0
TV.SF04.EHZ. 2020-05-23T14:36:26.37 3.0 undecidable manual Pn 0.17 0
IV.FIAM.HHZ. 2020-05-23T14:36:23.95 3.0 undecidable manual Sn -0.24 0
IV.INTR.HHZ. 2020-05-23T14:36:22.73 0.6 undecidable manual S 282 79.2651 96 -0.07 44
IV.MMUR.HNZ. 2020-05-23T14:36:20.88 3.0 undecidable manual Pn -2.14 0
IV.LPEL.HHZ. 2020-05-23T14:36:17.33 0.3 undecidable manual S 290 57.9975 98 0.14 68
IV.SACR.HHZ. 2020-05-23T14:36:15.84 0.3 undecidable manual S 193 53.9016 99 -0.25 68
IV.MRVN.HHZ. 2020-05-23T14:36:14.39 3.0 undecidable manual Pn -2.24 0
OT.OT05.EHZ. 2020-05-23T14:36:13.74 3.0 negative manual Pg 4.64 0
IV.BSSO.HHZ. 2020-05-23T14:36:13.24 0.6 undecidable manual S 210 41.7249 103 0.33 44
IV.INTR.HHZ. 2020-05-23T14:36:12.37 0.1 undecidable manual P 282 79.2651 96 -0.42 82
IV.CIGN.HHZ. 2020-05-23T14:36:09.10 0.3 undecidable manual S 169 24.6531 115 0.53 65
IV.MELA.HHZ. 2020-05-23T14:36:09.89 0.3 undecidable manual S 128 29.6481 110 0.08 71
IV.TRIV.HHZ. 2020-05-23T14:36:09.60 0.3 undecidable manual S 245 27.0507 113 0.43 68
IV.LPEL.HHZ. 2020-05-23T14:36:09.65 1.0 undecidable manual P 290 57.9975 98 0.1 23
IV.SACR.HHZ. 2020-05-23T14:36:08.61 0.1 undecidable manual P 193 53.9016 99 -0.31 89
IV.BSSO.HHZ. 2020-05-23T14:36:07.14 0.1 undecidable manual P 210 41.7249 103 0.06 94
IV.MELA.HHZ. 2020-05-23T14:36:05.17 0.1 negative manual P 128 29.6481 110 -0.11 97
IV.TRIV.HHZ. 2020-05-23T14:36:05.20 0.1 undecidable manual P 245 27.0507 113 0.28 93
IT.GLNS.HNZ. 2020-05-23T14:36:05.80 0.3 undecidable manual S 53 7.4814 153 0.61 67
IT.PLTA.HNZ. 2020-05-23T14:36:04.53 0.3 undecidable manual S 289 4.995 162 -0.4 69
IV.CIGN.HHZ. 2020-05-23T14:36:04.48 0.1 negative manual P 169 24.6531 115 -0.09 98
IT.LRNO.HNZ. 2020-05-23T14:36:04.90 0.3 undecidable manual S 140 9.4794 147 -0.56 67
IT.MCLF.HNE. 2020-05-23T14:36:04.73 0.3 undecidable manual S 348 3.3966 167 -0.09 75
IT.LRNO.HNZ. 2020-05-23T14:36:02.67 0.1 undecidable manual P 140 9.4794 147 -0.1 100
IT.GLNS.HNZ. 2020-05-23T14:36:02.94 0.1 positive manual P 53 7.4814 153 0.32 95
IT.MCLF.HNE. 2020-05-23T14:36:02.30 0.1 undecidable manual P 348 3.3966 167 -0.11 100
IT.PLTA.HNZ. 2020-05-23T14:36:02.33 0.1 undecidable manual P 289 4.995 162 -0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MELA.HHE. ML:1.6 0.000179 0.22 AML other m 2020-05-23T14:36:10.48
IV.MELA.HHN. ML:1.9 0.0003725 0.3 AML other m 2020-05-23T14:36:10.57
IV.TRIV.HHN. ML:1.2 0.00007955 0.38 AML other m 2020-05-23T14:36:10.79
IV.BSSO.HHN. ML:1.2 0.0000438 1.26 AML other m 2020-05-23T14:36:13.24
IV.CIGN.HHE. ML:1.1 0.0000658 1.3 AML other m 2020-05-23T14:36:13.31
IV.BSSO.HHE. ML:1.2 0.00004575 1.58 AML other m 2020-05-23T14:36:14.12
IV.CIGN.HHN. ML:1.2 0.00008374999999999999 0.58 AML other m 2020-05-23T14:36:14.63
IV.TRIV.HHE. ML:1.2 0.00008115 0.54 AML other m 2020-05-23T14:36:15.41
IV.SACR.HHE. ML:1.3 0.0000446 0.36 AML other m 2020-05-23T14:36:16.17
IV.SACR.HHN. ML:1.0 0.00002595 0.68 AML other m 2020-05-23T14:36:17.57
IV.LPEL.HHN. ML:1.5 0.0000654 0.2 AML other m 2020-05-23T14:36:20.16
IV.LPEL.HHE. ML:1.5 0.00006145 1.46 AML other m 2020-05-23T14:36:20.93
IV.INTR.HHE. ML:1.4 0.000033299999999999996 1.34 AML other m 2020-05-23T14:36:24.08
IV.INTR.HHN. ML:1.5 0.00004545 0.6 AML other m 2020-05-23T14:36:25.12
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