Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 17-08-2018 and time 08:48:55 (Italy) in region 6 km SE Montecilfone (CB)

A magnitude ML 2.1 earthquake occured in region: 6 km SE Montecilfone (CB), on

  • 17-08-2018 06:48:55 (UTC)
  • 17-08-2018 08:48:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8570, 14.8760 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
Montecilfone CB 6 1348 1348
Guglionesi CB 7 5321 6669
Larino CB 7 6793 13462
Palata CB 8 1726 15188
Guardialfiera CB 9 1065 16253
Acquaviva Collecroce CB 11 672 16925
Tavenna CB 11 718 17643
San Martino in Pensilis CB 11 4793 22436
Montorio nei Frentani CB 12 437 22873
Ururi CB 12 2693 25566
Portocannone CB 13 2551 28117
Casacalenda CB 13 2135 30252
San Giacomo degli Schiavoni CB 14 1406 31658
Montenero di Bisaccia CB 14 6675 38333
Castelmauro CB 14 1505 39838
Montelongo CB 15 365 40203
San Felice del Molise CB 15 634 40837
Lupara CB 16 505 41342
Provvidenti CB 16 119 41461
Rotello CB 16 1212 42673
Mafalda CB 16 1211 43884
Campomarino CB 17 7712 51596
Petacciato CB 18 3819 55415
Civitacampomarano CB 18 417 55832
Bonefro CB 18 1384 57216
Morrone del Sannio CB 18 587 57803
Castelbottaccio CB 18 312 58115
Santa Croce di Magliano CB 19 4435 62550
Termoli CB 19 33739 96289
Montemitro CB 19 395 96684
Ripabottoni CB 20 514 97198
Montefalcone nel Sannio CB 20 1556 98754

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 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)
87 Km SE of Pescara (121014 inhabitants)
90 Km W of Manfredonia (57279 inhabitants)
95 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 2.1 2018-08-17
06:48:55		 41.8573 14.8758 20 2019-04-24
14:50:54		 Bollettino Sismico Italiano INGV 60165401
Reviewed
Rev100 		ML 2.2 2018-08-17
06:48:56		 41.8497 14.868 9 2018-08-17
07:02:15		 Sala Sismica INGV-Roma 59846001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-17 06:48:55 ± 0.09
Latitude 41.8573 ± 0.0054
Longitude 14.8758 ± 0.0060
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 60165401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 640
Semi-minor axis of confidence ellipse (meter) 35
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 212
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.92455
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 70
Type of magnitude ML
Reference to an origin 60165401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-08-24 15:50:57

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 82
Type of magnitude ML
Reference to an origin 59846001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-17 07:02:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRMO.HHZ. 2018-08-17T06:50:42.45 3.0 negative manual Pg 21.719999 0
IV.IMOL.EHZ. 2018-08-17T06:50:39.19 3.0 undecidable manual Sg 7.9 0
IV.MILN.HHZ. 2018-08-17T06:50:26.04 3.0 undecidable manual Pn 7.8 0
IV.SPS2.HHZ. 2018-08-17T06:50:26.32 3.0 undecidable manual Sg 10.85 0
GU.CANO.HHZ. 2018-08-17T06:50:26.29 3.0 positive manual Pn 9.02 0
CR.BRJN.HHZ. 2018-08-17T06:50:21.80 3.0 undecidable manual Sn -4.03 0
SI.ROSI.HHZ. 2018-08-17T06:50:19.82 3.0 negative manual Pn -1.02 0
IV.RIBO.EHZ.01 2018-08-17T06:50:18.41 3.0 undecidable manual Sn -3.79 0
CR.STON.BHZ. 2018-08-17T06:50:13.04 3.0 undecidable manual Sg 7.59 0
IV.MNTV.HNZ. 2018-08-17T06:50:02.86 3.0 undecidable manual Pn -1.26 0
IV.FIU.EHZ. 2018-08-17T06:49:53.90 3.0 undecidable manual Pn -0.43 0
IV.EL6.EHZ. 2018-08-17T06:49:34.26 3.0 positive manual Pg 3.98 0
IV.LTRZ.EHZ. 2018-08-17T06:49:28.64 0.6 undecidable manual P 130 213.6195 54 0.38 26
IV.CSP1.EHZ. 2018-08-17T06:49:28.64 3.0 positive manual Pg 1.45 0
IV.NRCA.HHZ. 2018-08-17T06:49:27.01 3.0 negative manual Pg 1.49 0
IV.MC2.EHZ. 2018-08-17T06:49:27.12 3.0 positive manual Pg 1.51 0
IV.MF5.EHZ. 2018-08-17T06:49:25.24 3.0 undecidable manual P 0.85 0
IV.AMUR.HHZ. 2018-08-17T06:49:24.12 1.0 undecidable manual P 126 178.3881 54 0.25 16
IV.TERO.HHZ. 2018-08-17T06:49:20.54 3.0 negative manual P 0.69 0
IV.PALZ.HHZ. 2018-08-17T06:49:18.60 0.6 undecidable manual P 138 135.6642 94 0.36 37
IV.FAGN.HHZ. 2018-08-17T06:49:16.46 3.0 positive manual P -0.9 0
IV.VCEL.EHZ. 2018-08-17T06:49:16.25 3.0 positive manual P 2.31 0
IV.MIDA.HHZ. 2018-08-17T06:49:14.14 0.6 undecidable manual S 245 56.6988 101 0.44 44
IV.SACR.HHZ. 2018-08-17T06:49:13.08 0.6 undecidable manual S 196 52.9026 102 0.38 45
IV.POFI.HNE. 2018-08-17T06:49:12.30 0.1 undecidable manual P 261 97.5246 96 -0.07 86
IV.MSAG.HHZ. 2018-08-17T06:49:11.11 0.6 undecidable manual P 100 87.0462 97 0.34 41
IV.SGTA.HHZ. 2018-08-17T06:49:10.78 0.1 undecidable manual P 153 89.8434 97 -0.43 82
IV.BSSO.HHZ. 2018-08-17T06:49:10.06 1.0 undecidable manual S 214 41.7249 107 0.27 23
IV.VITU.HHZ. 2018-08-17T06:49:09.28 0.6 undecidable manual P 195 77.5668 98 -0.04 45
IV.INTR.HHZ. 2018-08-17T06:49:09.71 0.1 undecidable manual P 282 81.9513 97 -0.28 86
IV.VAGA.HHZ. 2018-08-17T06:49:08.32 0.6 undecidable manual P 228 72.372 98 -0.21 44
IV.CERA.HHZ. 2018-08-17T06:49:08.80 1.0 undecidable manual P 248 76.5678 98 -0.38 21
IV.SGRT.HHZ. 2018-08-17T06:49:08.30 0.6 undecidable manual P 99 72.6717 98 -0.28 44
IV.SGG.HHN. 2018-08-17T06:49:07.25 0.1 undecidable manual P 218 66.4779 99 -0.39 86
IV.RNI2.HHZ. 2018-08-17T06:49:07.18 0.1 undecidable manual P 254 62.1933 100 0.19 90
IV.PSB1.HNE. 2018-08-17T06:49:07.86 0.6 undecidable manual P 184 70.5738 99 -0.39 43
IV.PTRJ.HNN. 2018-08-17T06:49:06.64 0.6 undecidable manual P 208 61.7937 100 -0.29 44
IV.TRIV.HHZ. 2018-08-17T06:49:06.64 1.0 undecidable manual S 250 28.749 116 0.08 25
IV.LPEL.HHZ. 2018-08-17T06:49:06.88 0.1 undecidable manual P 290 60.8946 100 0.1 92
IV.MOCO.HHZ. 2018-08-17T06:49:06.79 0.1 undecidable manual P 156 58.8966 101 0.3 89
IV.SACR.HHZ. 2018-08-17T06:49:05.57 0.1 positive manual P 196 52.9026 102 -0.01 95
IV.MIDA.HHZ. 2018-08-17T06:49:05.98 0.1 positive manual P 245 56.6988 101 -0.18 91
IV.CIGN.HHZ. 2018-08-17T06:49:05.06 0.6 undecidable manual S 174 22.6551 123 -0.09 49
IV.APRC.HHZ. 2018-08-17T06:49:05.72 1.0 undecidable manual P 101 56.2992 101 -0.37 22
IV.MELA.HHZ. 2018-08-17T06:49:05.98 0.3 undecidable manual S 129 26.751 118 -0.1 74
IV.FRES.HHZ. 2018-08-17T06:49:04.61 0.3 undecidable manual S 307 21.3675 125 -0.26 72
IV.BSSO.HHZ. 2018-08-17T06:49:04.32 0.1 positive manual P 214 41.7249 107 0.42 90
IV.TRIV.HHZ. 2018-08-17T06:49:02.23 0.1 positive manual P 250 28.749 116 0.19 96
IV.FRES.HHZ. 2018-08-17T06:49:01.36 0.1 positive manual P 307 21.3675 125 0.3 94
IV.MELA.HHZ. 2018-08-17T06:49:01.63 0.1 negative manual P 129 26.751 118 -0.13 98
IV.CIGN.HHZ. 2018-08-17T06:49:01.27 0.1 positive manual P 174 22.6551 123 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNAL.HHE. ML:2.1 0.0001196 0.92 AML other m 2018-08-17T06:49:31.58
IV.VCEL.EHN. ML:0.0 0.00021837895000000003 0.2592 AML other m 2018-08-17T06:49:32.56
IV.FAGN.HHN. ML:0.0 0.0001442202 0.4576 AML other m 2018-08-17T06:49:35.07
IV.VCEL.EHE. ML:0.0 0.00026458990000000006 0.4992 AML other m 2018-08-17T06:49:37.24
IV.FAGN.HHE. ML:0.0 0.00022874590000000002 0.3808 AML other m 2018-08-17T06:49:39.82
IV.PALZ.HHN. ML:0.0 0.00015174575000000002 0.7424 AML other m 2018-08-17T06:49:43.35
IV.PALZ.HHE. ML:0.0 0.00011514108 0.8192 AML other m 2018-08-17T06:49:38.38
IV.AMUR.HHN. ML:0.0 0.000077747415 0.2208 AML other m 2018-08-17T06:49:51.23
IV.AMUR.HHE. ML:0.0 0.000071883005 0.2784 AML other m 2018-08-17T06:49:54.16
IV.CIGN.HHN. ML:2.0 0.0005678459 0.5024 AML other m 2018-08-17T06:49:07.30
IV.CIGN.HHE. ML:2.1 0.000675816 0.3392 AML other m 2018-08-17T06:49:06.14
IV.FRES.HHN. ML:1.7 0.00029285765 0.1216 AML other m 2018-08-17T06:49:04.92
IV.FRES.HHE. ML:1.9 0.00042629775000000005 0.16 AML other m 2018-08-17T06:49:05.18
IV.MELA.HNN. ML:2.3 0.0009621636499999999 0.1408 AML other m 2018-08-17T06:49:06.14
IV.MELA.HHE. ML:2.2 0.0007018508999999999 0.08 AML other m 2018-08-17T06:49:06.86
IV.MELA.HNE. ML:2.3 0.00085045515 0.1984 AML other m 2018-08-17T06:49:06.77
IV.MELA.HHN. ML:2.4 0.00105258455 0.1408 AML other m 2018-08-17T06:49:06.14
IV.TRIV.HNE. ML:1.7 0.00022499140000000002 0.3008 AML other m 2018-08-17T06:49:07.85
IV.TRIV.HHN. ML:2.0 0.0004640033 0.32 AML other m 2018-08-17T06:49:08.52
IV.TRIV.HNN. ML:2.0 0.0004314899 0.32 AML other m 2018-08-17T06:49:08.52
IV.TRIV.HHE. ML:2.0 0.00039670455 0.4192 AML other m 2018-08-17T06:49:12.13
IV.BSSO.HNE. ML:1.9 0.00022131385 0.2208 AML other m 2018-08-17T06:49:11.19
IV.BSSO.HHN. ML:1.4 0.00007926261 0.2784 AML other m 2018-08-17T06:49:11.20
IV.BSSO.HNN. ML:1.7 0.00016281925 0.3584 AML other m 2018-08-17T06:49:11.20
IV.BSSO.HHE. ML:1.5 0.000086681335 0.2208 AML other m 2018-08-17T06:49:11.19
IV.SACR.HHN. ML:1.7 0.00010378363 0.3584 AML other m 2018-08-17T06:49:19.62
IV.SACR.HHE. ML:1.9 0.00019122015 0.3584 AML other m 2018-08-17T06:49:13.34
IV.SACR.HNN. ML:1.7 0.00012221364999999998 0.4416 AML other m 2018-08-17T06:49:14.79
IV.SACR.HNE. ML:2.0 0.0002156487 0.3616 AML other m 2018-08-17T06:49:13.35
IV.APRC.HHN. ML:2.4 0.00064034695 0.2176 AML other m 2018-08-17T06:49:16.59
IV.APRC.HNE. ML:2.3 0.00041779735 0.3296 AML other m 2018-08-17T06:49:16.42
IV.APRC.HHE. ML:2.3 0.00039771904999999995 0.3584 AML other m 2018-08-17T06:49:19.73
IV.MIDA.HNE. ML:1.6 0.000091123465 0.16 AML other m 2018-08-17T06:49:14.49
IV.MIDA.HHE. ML:1.6 0.00009175316499999999 0.1408 AML other m 2018-08-17T06:49:14.49
IV.MIDA.HHN. ML:1.9 0.00016402535000000003 0.2784 AML other m 2018-08-17T06:49:15.81
IV.MOCO.HHN. ML:1.4 0.000051951754999999996 0.5024 AML other m 2018-08-17T06:49:18.00
IV.MOCO.HNE. ML:1.6 0.00007716118500000001 0.32 AML other m 2018-08-17T06:49:20.97
IV.MOCO.HHE. ML:1.6 0.000081413895 0.56 AML other m 2018-08-17T06:49:20.23
IV.MOCO.HNN. ML:1.5 0.000058815665000000004 0.48 AML other m 2018-08-17T06:49:19.43
IV.LPEL.HHE. ML:2.3 0.00035023694999999997 0.1984 AML other m 2018-08-17T06:49:22.16
IV.LPEL.HHN. ML:2.3 0.0003487653 0.16 AML other m 2018-08-17T06:49:17.38
IV.RNI2.HHE. ML:2.2 0.00026465109999999995 0.2368 AML other m 2018-08-17T06:49:20.64
IV.RNI2.HHN. ML:2.2 0.00028499125000000004 0.16 AML other m 2018-08-17T06:49:16.84
IV.RNI2.HNE. ML:2.1 0.00024339315 0.2592 AML other m 2018-08-17T06:49:20.66
IV.RNI2.HNN. ML:2.2 0.00026750065 0.1824 AML other m 2018-08-17T06:49:16.85
IV.SGRT.HHN. ML:2.4 0.00040534139999999995 0.24 AML other m 2018-08-17T06:49:23.30
IV.SGRT.HHE. ML:2.5 0.00054436255 0.2976 AML other m 2018-08-17T06:49:20.29
IV.VAGA.HHE. ML:2.0 0.00014295180000000002 0.3808 AML other m 2018-08-17T06:49:26.09
IV.VAGA.HHN. ML:2.1 0.0001905186 0.2784 AML other m 2018-08-17T06:49:28.77
IV.VAGA.HNE. ML:2.0 0.00013990160000000002 0.3808 AML other m 2018-08-17T06:49:26.09
IV.VAGA.HNN. ML:2.1 0.00018489594999999997 0.2784 AML other m 2018-08-17T06:49:28.77
IV.CERA.HNE. ML:2.2 0.00020302295000000002 0.6208 AML other m 2018-08-17T06:49:29.06
IV.CERA.HHE. ML:2.2 0.00021387205 0.6208 AML other m 2018-08-17T06:49:29.06
IV.CERA.HHN. ML:2.1 0.00019095255 0.6016 AML other m 2018-08-17T06:49:27.86
IV.CERA.HNN. ML:2.1 0.00018635450000000002 0.5792 AML other m 2018-08-17T06:49:27.87
IV.VITU.HHN. ML:2.5 0.00046472544999999997 0.2784 AML other m 2018-08-17T06:49:26.60
IV.VITU.HHE. ML:2.4 0.0003924417 0.2784 AML other m 2018-08-17T06:49:26.31
IV.VITU.HNN. ML:2.5 0.00043457390000000004 0.2592 AML other m 2018-08-17T06:49:26.47
IV.INTR.HHN. ML:2.2 0.00021654735 0.4192 AML other m 2018-08-17T06:49:22.73
IV.INTR.HHE. ML:2.0 0.00011765075 0.4416 AML other m 2018-08-17T06:49:21.87
IV.INTR.HNN. ML:2.0 0.00013718839999999998 0.2112 AML other m 2018-08-17T06:49:21.65
IV.INTR.HNE. ML:2.1 0.00015199013 0.6208 AML other m 2018-08-17T06:49:25.99
IV.SGTA.HNE. ML:2.3 0.00021402975 0.6016 AML other m 2018-08-17T06:49:28.02
IV.SGTA.HHN. ML:2.1 0.0001439374 0.32 AML other m 2018-08-17T06:49:27.88
IV.SGTA.HNN. ML:2.1 0.00015509990000000002 0.3104 AML other m 2018-08-17T06:49:27.26
IV.SGTA.HHE. ML:2.3 0.00021019179999999998 0.3008 AML other m 2018-08-17T06:49:28.02
IV.MSAG.HNN. ML:2.8 0.000710996 0.4 AML other m 2018-08-17T06:49:25.74
IV.MSAG.HNE. ML:2.3 0.0002465668 0.1632 AML other m 2018-08-17T06:49:26.55
IV.MSAG.HHE. ML:1.9 0.00009703566999999999 0.16 AML other m 2018-08-17T06:49:26.54
IV.MSAG.HHN. ML:2.4 0.00030100805 0.4 AML other m 2018-08-17T06:49:25.74
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
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