Earthquake with magnitude of ML 1.3 on date 08-05-2021 and time 10:23:27 (UTC) in region 5 km SE Montecilfone (CB)

A magnitude ML 1.3 earthquake occured in region: 5 km SE Montecilfone (CB), on

  • 08-05-2021 10:23:27 (UTC)
  • 08-05-2021 12:23:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8580, 14.8670 at 17 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
Montecilfone CB 6 1348 1348
Guglionesi CB 7 5321 6669
Palata CB 7 1726 8395
Larino CB 7 6793 15188
Guardialfiera CB 9 1065 16253
Acquaviva Collecroce CB 10 672 16925
Tavenna CB 10 718 17643
San Martino in Pensilis CB 12 4793 22436
Montorio nei Frentani CB 12 437 22873
Ururi CB 13 2693 25566
Montenero di Bisaccia CB 13 6675 32241
Casacalenda CB 13 2135 34376
Castelmauro CB 13 1505 35881
Portocannone CB 14 2551 38432
San Giacomo degli Schiavoni CB 14 1406 39838
San Felice del Molise CB 14 634 40472
Montelongo CB 15 365 40837
Lupara CB 15 505 41342
Provvidenti CB 16 119 41461
Mafalda CB 16 1211 42672
Rotello CB 17 1212 43884
Civitacampomarano CB 17 417 44301
Petacciato CB 17 3819 48120
Castelbottaccio CB 18 312 48432
Campomarino CB 18 7712 56144
Morrone del Sannio CB 18 587 56731
Bonefro CB 18 1384 58115
Montemitro CB 19 395 58510
Montefalcone nel Sannio CB 19 1556 60066
Santa Croce di Magliano CB 19 4435 64501
Termoli CB 19 33739 98240
Ripabottoni CB 19 514 98754

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km W of San Severo (53905 inhabitants)
71 Km NW of Foggia (151991 inhabitants)
80 Km SE of Chieti (51815 inhabitants)
81 Km N of Benevento (60091 inhabitants)
86 Km SE of Pescara (121014 inhabitants)
91 Km W of Manfredonia (57279 inhabitants)
94 Km SE of Montesilvano (53738 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
Bulletin
Rev1000
ML 1.3 2021-05-08
10:23:27
41.8582 14.8667 17 2021-12-29
11:12:35
Bollettino Sismico Italiano INGV 96324191
Reviewed
Rev100
ML 1.4 2021-05-08
10:23:25
41.922 14.8253 13 2021-05-08
10:46:06
Sala Sismica INGV-Roma 89910041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-08 10:23:27 ± 0.08
Latitude 41.8582 ± 0.0054
Longitude 14.8667 ± 0.0048
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96324191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 529
Semi-minor axis of confidence ellipse (meter) 321
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 4
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.66190
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 96324191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-07 16:09:05

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 89910041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-08 10:46:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZEN8.EHZ. 2021-05-08T10:25:01.51 3.0 undecidable manual Sn -7.61 0
IV.GIZZ.HHZ. 2021-05-08T10:25:00.87 3.0 undecidable manual Sn 0.29 0
IV.SPS2.HHZ. 2021-05-08T10:24:54.38 3.0 undecidable manual Sn 0.98 0
IV.CELI.HHZ. 2021-05-08T10:24:51.30 3.0 undecidable manual Sn 0.02 0
IV.MTGR.HHZ. 2021-05-08T10:24:50.13 3.0 positive manual Pg 18.16 0
IV.SARZ.HHZ. 2021-05-08T10:24:44.07 3.0 positive manual Pg 16.790001 0
CH.DAVOX.HHZ. 2021-05-08T10:24:38.61 3.0 undecidable manual Pg 6 0
IV.CADC.HNZ. 2021-05-08T10:24:30.06 3.0 undecidable manual Pg 10.13 0
IV.ESML.HHZ. 2021-05-08T10:24:27.60 3.0 undecidable manual Pn -2.59 0
IV.TREG.EHZ. 2021-05-08T10:24:20.90 3.0 positive manual Pg 8.74 0
IV.PE3.EHZ. 2021-05-08T10:24:14.98 3.0 undecidable manual Sg -4.65 0
IV.GIZZ.HHZ. 2021-05-08T10:24:11.27 3.0 positive manual Pn -0.36 0
IV.MAGO.CHZ. 2021-05-08T10:24:11.20 3.0 negative manual Pg 5.39 0
IV.NDIM.HHZ. 2021-05-08T10:24:09.18 3.0 undecidable manual Pn -0.39 0
SL.KOGS.BHZ. 2021-05-08T10:24:03.37 3.0 undecidable manual Pg -1.34 0
MN.TRI.HHZ. 2021-05-08T10:23:55.54 3.0 undecidable manual Pg -2.43 0
IV.SACR.HNN. 2021-05-08T10:23:44.18 0.6 undecidable manual S 195 52.8027 98 0.46 43
IV.MIDA.HNZ. 2021-05-08T10:23:44.49 0.6 undecidable manual S 245 56.0994 97 -0.09 46
IV.SGRT.HHE. 2021-05-08T10:23:39.87 0.3 undecidable manual P 99 73.4709 95 0.04 67
OT.OT04.EHE. 2021-05-08T10:23:38.14 0.3 undecidable manual P 104 60.9945 97 0.21 66
IT.NARO.HHZ. 2021-05-08T10:23:37.36 3.0 undecidable manual Pn 0
IV.MELA.HHZ. 2021-05-08T10:23:37.14 0.3 undecidable manual S 128 27.3504 110 0.05 74
IV.MIDA.HNZ. 2021-05-08T10:23:37.30 0.3 undecidable manual P 245 56.0994 97 0.13 68
IV.LPEL.HHZ. 2021-05-08T10:23:37.68 0.3 undecidable manual P 291 60.0954 97 -0.11 69
IV.RM33.EHZ. 2021-05-08T10:23:37.68 3.0 negative manual Pg -3.23 0
IV.APRC.HHN. 2021-05-08T10:23:37.46 0.6 undecidable manual P 101 56.9985 97 0.14 45
OT.OT16.EHE. 2021-05-08T10:23:36.49 0.6 undecidable manual S 96 25.2525 112 -0.07 48
IV.SACR.HNN. 2021-05-08T10:23:36.50 0.1 undecidable manual P 195 52.8027 98 -0.18 91
IV.TST02.HHE. 2021-05-08T10:23:35.02 0.3 undecidable manual P 287 42.5241 101 -0.09 71
IV.BSSO.HHZ. 2021-05-08T10:23:35.38 0.3 undecidable manual P 213 41.3253 101 0.45 65
IV.CIGN.HHZ. 2021-05-08T10:23:35.99 0.6 undecidable manual S 172 22.8549 115 0.02 49
IT.GLNS.HNZ. 2021-05-08T10:23:33.31 0.3 undecidable manual S 35 7.2927 152 0.43 70
OT.OT16.EHE. 2021-05-08T10:23:32.49 0.3 undecidable manual P 96 25.2525 112 -0.05 73
IT.LRNO.HNZ. 2021-05-08T10:23:32.38 0.6 undecidable manual S 142 7.1928 152 -0.49 45
IV.CIGN.HHZ. 2021-05-08T10:23:32.19 0.1 undecidable manual P 172 22.8549 115 -0.01 98
IT.PLTA.HNZ. 2021-05-08T10:23:32.81 0.6 undecidable manual S 296 7.0929 153 -0.04 50
IT.MCLF.HNE. 2021-05-08T10:23:32.82 0.6 undecidable manual S 333 5.3946 159 0.16 50
IV.MELA.HHZ. 2021-05-08T10:23:32.72 0.1 negative manual P 128 27.3504 110 -0.13 95
IT.LRNO.HNZ. 2021-05-08T10:23:30.02 0.3 undecidable manual P 142 7.1928 152 -0.39 70
IT.GLNS.HNZ. 2021-05-08T10:23:30.50 0.1 undecidable manual P 35 7.2927 152 0.08 100
IT.PLTA.HNZ. 2021-05-08T10:23:30.19 0.3 undecidable manual P 296 7.0929 153 -0.21 73
IT.MCLF.HNE. 2021-05-08T10:23:30.19 0.3 undecidable manual P 333 5.3946 159 -0.1 75
IV.PP3.EHZ. 2021-05-08T10:23:29.54 3.0 undecidable manual P -7.19 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MELA.HHE. ML:1.6 0.00017410706 0.0768 AML other m 2021-05-08T10:23:37.53
IV.CIGN.HHN. ML:1.2 0.00007806754 0.3776 AML other m 2021-05-08T10:23:36.67
IV.CIGN.HHE. ML:1.1 0.000074617255 1.12 AML other m 2021-05-08T10:23:42.88
IV.MELA.HHN. ML:1.5 0.00015429345 0.0832 AML other m 2021-05-08T10:23:37.92
IV.TRIV.HHN. ML:1.1 0.00005810973 0.3584 AML other m 2021-05-08T10:23:40.16
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