Earthquake with magnitude of ML 2.3 on date 21-10-2019 and time 02:44:06 (Italy) in region 5 km W Arquata del Tronto (AP)

A magnitude ML 2.3 earthquake occured in region: 5 km W Arquata del Tronto (AP), on

  • 21-10-2019 00:44:06 (UTC)
  • 21-10-2019 02:44:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7930, 13.2490 at 8 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
Arquata del Tronto AP 5 1178 1178
Montegallo AP 9 523 1701
Accumoli RI 11 667 2368
Norcia PG 13 4957 7325
Acquasanta Terme AP 13 2916 10241
Montemonaco AP 14 604 10845
Castelsantangelo sul Nera MC 14 281 11126
Amatrice RI 18 2657 13783
Montefortino FM 18 1178 14961
Ussita MC 19 444 15405
Preci PG 20 724 16129

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Teramo (54892 inhabitants)
48 Km E of Foligno (57155 inhabitants)
51 Km N of L'Aquila (69753 inhabitants)
56 Km E of Terni (111501 inhabitants)
78 Km E of Perugia (166134 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
87 Km W of Pescara (121014 inhabitants)
90 Km NW of Chieti (51815 inhabitants)
94 Km S of Ancona (100861 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km NE of Tivoli (56533 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 2.3 2019-10-21
00:44:06
42.7928 13.2488 8 2020-02-28
16:42:28
Bollettino Sismico Italiano INGV 76870211
Reviewed
Rev100
ML 2.3 2019-10-21
00:44:06
42.7848 13.244 9 2019-10-21
00:53:15
Sala Sismica INGV-Roma 73365181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-21 00:44:06 ± 0.07
Latitude 42.7928 ± 0.0036
Longitude 13.2488 ± 0.0074
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76870211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 444
Semi-minor axis of confidence ellipse (meter) 433
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 243
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 42
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.10702
Epicentral distance of station farthest from the epicenter (degree) 0.95148
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 35
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 76
Type of magnitude ML
Reference to an origin 73365181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-21 00:53:15

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 76
Type of magnitude ML
Reference to an origin 76870211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-27 14:38:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2019-10-21T00:44:35.30 0.6 undecidable manual S 332 90.8424 50 1.12 30
IV.ARVD.HHZ. 2019-10-21T00:44:33.53 0.6 undecidable manual S 342 82.0512 50 1.7 22
IV.ATCC.EHZ. 2019-10-21T00:44:28.26 0.6 undecidable manual S 312 65.8896 50 0.77 37
IV.EL6.EHZ. 2019-10-21T00:44:27.62 0.6 undecidable manual S 349 60.6948 50 1.5 26
IV.FIAM.HHZ. 2019-10-21T00:44:26.50 0.6 undecidable manual S 191 59.1963 50 0.78 37
IV.COR1.EHZ. 2019-10-21T00:44:24.01 0.3 undecidable manual P 348 95.238 50 0.78 52
IV.MPAG.EHZ. 2019-10-21T00:44:24.36 0.3 undecidable manual P 337 100.8213 50 0.26 60
IV.NARO.HHZ. 2019-10-21T00:44:24.54 0.3 undecidable manual P 329 105.6165 50 -0.29 59
IV.MNTT.EHZ. 2019-10-21T00:44:23.11 0.6 undecidable manual S 43 41.0256 50 2.23 15
IV.FRON.EHZ. 2019-10-21T00:44:22.22 0.1 undecidable manual P 332 90.8424 50 -0.34 81
IV.ARVD.HHZ. 2019-10-21T00:44:20.85 0.3 undecidable manual P 342 82.0512 50 -0.36 61
IV.SAP2.EHZ. 2019-10-21T00:44:20.30 0.6 undecidable manual S 20 35.8419 102 0.88 37
IV.MURB.HHZ. 2019-10-21T00:44:20.55 0.3 undecidable manual P 312 78.5658 50 -0.11 65
IV.CESI.HHZ. 2019-10-21T00:44:19.51 0.6 undecidable manual S 310 36.5412 102 -0.14 47
IV.RM33.EHZ. 2019-10-21T00:44:18.46 0.6 undecidable manual S 185 31.6461 104 0.48 44
IV.FAGN.HHZ. 2019-10-21T00:44:18.12 0.3 undecidable manual P 155 64.5909 50 -0.38 63
IV.ATCC.EHZ. 2019-10-21T00:44:18.32 0.3 undecidable manual P 312 65.8896 50 -0.38 63
IV.TERO.HHZ. 2019-10-21T00:44:18.39 0.6 undecidable manual S 123 34.5432 102 -0.58 42
IV.VCEL.EHZ. 2019-10-21T00:44:18.52 0.3 undecidable manual P 132 65.49 50 -0.12 67
IV.CSP1.EHE. 2019-10-21T00:44:18.38 0.6 undecidable manual S 354 33.3444 103 -0.19 46
IV.MF5.EHZ. 2019-10-21T00:44:17.63 0.6 undecidable manual S 38 27.6501 105 1 36
IV.LNSS.HHZ. 2019-10-21T00:44:17.54 0.6 undecidable manual S 219 27.0507 106 1.09 34
IV.CESX.HHZ. 2019-10-21T00:44:17.42 0.3 undecidable manual P 249 57.6978 50 -0.03 69
IV.CAMP.HHZ. 2019-10-21T00:44:17.77 0.6 undecidable manual S 155 31.3464 104 -0.12 47
IV.EL6.EHZ. 2019-10-21T00:44:17.36 0.1 undecidable manual P 349 60.6948 50 -0.55 81
IV.FIAM.HHZ. 2019-10-21T00:44:17.44 0.6 undecidable manual P 191 59.1963 50 -0.24 44
IV.FDMO.HHZ. 2019-10-21T00:44:17.59 0.6 undecidable manual S 334 30.0477 104 0.14 47
IV.ASSB.HHZ. 2019-10-21T00:44:16.54 0.3 undecidable manual P 300 55.4001 50 -0.55 61
IV.FEMA.HNE. 2019-10-21T00:44:16.44 0.6 undecidable manual S 319 24.753 107 0.74 40
IV.MOMA.HHZ. 2019-10-21T00:44:16.91 0.3 undecidable manual P 272 55.3002 50 -0.16 67
IV.SNTG.HHZ. 2019-10-21T00:44:16.69 0.1 undecidable manual P 334 56.9985 50 -0.66 78
IV.GIGS.HHZ. 2019-10-21T00:44:15.22 0.3 undecidable manual P 145 46.0206 50 -0.43 65
IV.ARRO.EHZ. 2019-10-21T00:44:15.44 0.3 undecidable manual P 239 46.0206 50 -0.2 68
IV.MNTT.EHZ. 2019-10-21T00:44:15.25 0.1 negative manual P 43 41.0256 50 0.37 88
IV.OFFI.HHZ. 2019-10-21T00:44:14.87 0.1 undecidable manual P 66 38.8278 50 0.32 89
IV.T1299.HNN. 2019-10-21T00:44:14.68 0.6 undecidable manual S 171 17.7711 113 1.27 32
IV.SMA1.EHZ. 2019-10-21T00:44:14.39 0.6 undecidable manual S 159 19.3695 112 0.48 45
IV.SAP2.EHZ. 2019-10-21T00:44:14.24 0.3 undecidable manual P 20 35.8419 102 0.2 69
IV.TERO.HHZ. 2019-10-21T00:44:13.21 0.1 undecidable manual P 123 34.5432 102 -0.57 84
IV.RM33.EHZ. 2019-10-21T00:44:13.15 0.3 undecidable manual P 185 31.6461 104 -0.06 72
IV.CESI.HHZ. 2019-10-21T00:44:13.61 0.1 undecidable manual P 310 36.5412 102 -0.57 84
IV.FEMA.HNE. 2019-10-21T00:44:12.02 0.6 undecidable manual P 319 24.753 107 0.13 48
IV.MTRA.EHZ. 2019-10-21T00:44:12.28 0.6 undecidable manual S 108 12.6762 121 0.45 46
IV.FDMO.HHZ. 2019-10-21T00:44:12.26 0.1 undecidable manual P 334 30.0477 104 -0.65 82
IV.CSP1.EHE. 2019-10-21T00:44:12.87 0.1 undecidable manual P 354 33.3444 103 -0.68 81
IV.MC2.EHZ. 2019-10-21T00:44:12.86 0.6 undecidable manual S 340 14.0748 119 0.62 43
IV.MF5.EHZ. 2019-10-21T00:44:12.45 0.1 undecidable manual P 38 27.6501 105 0.02 97
IV.LNSS.HHZ. 2019-10-21T00:44:12.35 0.1 undecidable manual P 219 27.0507 106 0.02 97
IV.NRCA.HHZ. 2019-10-21T00:44:12.12 0.6 undecidable manual S 293 11.877 123 0.54 44
IV.CAMP.HHZ. 2019-10-21T00:44:12.82 0.1 negative manual P 155 31.3464 104 -0.34 90
IV.MMO1.EHZ. 2019-10-21T00:44:11.66 0.6 undecidable manual S 28 13.3755 120 -0.39 46
IV.T1299.HNN. 2019-10-21T00:44:10.91 0.1 undecidable manual P 171 17.7711 113 0.34 92
IV.SMA1.EHZ. 2019-10-21T00:44:10.91 0.1 negative manual P 159 19.3695 112 0.05 98
IV.NRCA.HHZ. 2019-10-21T00:44:09.58 0.1 negative manual P 293 11.877 123 0.06 99
IV.MTRA.EHZ. 2019-10-21T00:44:09.66 0.1 positive manual P 108 12.6762 121 0 100
IV.MC2.EHZ. 2019-10-21T00:44:09.77 0.1 negative manual P 340 14.0748 119 -0.12 97
IV.MMO1.EHZ. 2019-10-21T00:44:09.38 0.1 undecidable manual P 28 13.3755 120 -0.41 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:2.4 0.0033799999999999998 1.18 AML other m 2019-10-21T00:44:12.37
IV.NRCA.HHN. ML:2.4 0.0036399999999999996 1.18 AML other m 2019-10-21T00:44:12.37
IV.NRCA.HNE. ML:2.4 0.003235 0.4 AML other m 2019-10-21T00:44:13.60
IV.NRCA.HHE. ML:2.4 0.00349 0.4 AML other m 2019-10-21T00:44:13.60
IV.MTRA.HNN. ML:2.7 0.00625 0.5 AML other m 2019-10-21T00:44:14.34
IV.MTRA.EHN. ML:2.7 0.0063100000000000005 0.5 AML other m 2019-10-21T00:44:14.34
IV.MTRA.HNE. ML:2.7 0.0055899999999999995 0.84 AML other m 2019-10-21T00:44:15.19
IV.MTRA.EHE. ML:2.7 0.0056099999999999995 0.84 AML other m 2019-10-21T00:44:15.19
IV.CAMP.HHN. ML:2.1 0.0006359999999999998 0.5 AML other m 2019-10-21T00:44:18.21
IV.LNSS.HHE. ML:2.6 0.0025099999999999996 1.18 AML other m 2019-10-21T00:44:18.98
IV.LNSS.HNE. ML:2.7 0.0025700000000000002 1.16 AML other m 2019-10-21T00:44:18.98
IV.FDMO.HHN. ML:2.2 0.000876 0.74 AML other m 2019-10-21T00:44:18.80
IV.RM33.EHN. ML:2.3 0.0009825 1.06 AML other m 2019-10-21T00:44:19.07
IV.RM33.HNN. ML:2.4 0.001165 1.06 AML other m 2019-10-21T00:44:19.07
IV.SMA1.EHN. ML:2.7 0.004445 0.62 AML other m 2019-10-21T00:44:19.82
IV.FDMO.HHE. ML:2.2 0.0007465 0.42 AML other m 2019-10-21T00:44:19.87
IV.LNSS.HHN. ML:2.5 0.0019649999999999997 1.04 AML other m 2019-10-21T00:44:20.83
IV.LNSS.HNN. ML:2.5 0.001975 1.06 AML other m 2019-10-21T00:44:20.31
IV.SMA1.EHE. ML:2.7 0.004045 0.52 AML other m 2019-10-21T00:44:20.50
IV.SAP2.EHE. ML:2.4 0.001065 0.3 AML other m 2019-10-21T00:44:22.01
IV.CESI.HHN. ML:2.4 0.0009415 1.32 AML other m 2019-10-21T00:44:23.26
IV.MNTT.EHN. ML:2.8 0.0019649999999999997 1.4 AML other m 2019-10-21T00:44:23.92
IV.CESI.HNN. ML:2.4 0.0009695 1.38 AML other m 2019-10-21T00:44:23.26
IV.MNTT.EHE. ML:2.7 0.0018250000000000002 0.82 AML other m 2019-10-21T00:44:24.21
IV.SNTG.HNE. ML:2.0 0.00022649999999999998 1.3 AML other m 2019-10-21T00:44:24.71
IV.TERO.HHE. ML:2.1 0.0005765 0.86 AML other m 2019-10-21T00:44:25.62
IV.TERO.HHN. ML:2.3 0.0008029999999999999 0.46 AML other m 2019-10-21T00:44:25.39
IV.RM33.EHE. ML:2.5 0.0015350000000000001 0.74 AML other m 2019-10-21T00:44:25.45
IV.RM33.HNE. ML:2.6 0.00165 0.72 AML other m 2019-10-21T00:44:25.81
IV.MF5.EHE. ML:2.6 0.0024649999999999997 1.12 AML other m 2019-10-21T00:44:26.75
IV.MOMA.HHE. ML:2.0 0.0002615 0.88 AML other m 2019-10-21T00:44:27.79
IV.ASSB.HHN. ML:2.1 0.000279 1.72 AML other m 2019-10-21T00:44:27.88
IV.ARRO.EHE. ML:1.9 0.0002455 0.52 AML other m 2019-10-21T00:44:27.67
IV.CESI.HHE. ML:2.4 0.0009065000000000001 1.12 AML other m 2019-10-21T00:44:28.57
IV.CESI.HNE. ML:2.4 0.0008990000000000001 1.1 AML other m 2019-10-21T00:44:28.57
IV.OFFI.HHE. ML:2.5 0.0011600000000000002 1.46 AML other m 2019-10-21T00:44:28.75
IV.MF5.EHN. ML:2.7 0.002545 0.82 AML other m 2019-10-21T00:44:28.68
IV.SAP2.EHN. ML:3.1 0.004719999999999999 0.54 AML other m 2019-10-21T00:44:28.42
IV.MOMA.HHN. ML:2.1 0.000265 0.3 AML other m 2019-10-21T00:44:28.73
IV.MOMA.HNN. ML:2.2 0.0003395 0.64 AML other m 2019-10-21T00:44:28.74
IV.ASSB.HHE. ML:2.0 0.000258 1.18 AML other m 2019-10-21T00:44:29.70
IV.ARRO.EHN. ML:2.0 0.000311 0.42 AML other m 2019-10-21T00:44:29.43
IV.GIGS.HHE. ML:1.6 0.00011380000000000001 0.48 AML other m 2019-10-21T00:44:29.39
IV.CESX.HHE. ML:2.1 0.0002495 1.14 AML other m 2019-10-21T00:44:29.75
IV.OFFI.HHN. ML:2.6 0.0014100000000000002 0.74 AML other m 2019-10-21T00:44:29.92
IV.CAMP.HHE. ML:2.1 0.0005915 0.82 AML other m 2019-10-21T00:44:30.61
IV.SNTG.HHE. ML:1.9 0.00015900000000000002 0.68 AML other m 2019-10-21T00:44:31.01
IV.SNTG.HNN. ML:2.0 0.0002505 0.94 AML other m 2019-10-21T00:44:32.67
IV.FIAM.HHN. ML:2.0 0.000221 0.66 AML other m 2019-10-21T00:44:32.44
IV.FAGN.HHN. ML:2.5 0.000585 1.5 AML other m 2019-10-21T00:44:32.14
IV.SNTG.HHN. ML:1.9 0.000194 1.3 AML other m 2019-10-21T00:44:33.69
IV.MOMA.HNE. ML:2.1 0.0003155 1.28 AML other m 2019-10-21T00:44:33.21
IV.EL6.EHE. ML:2.3 0.0004295 0.32 AML other m 2019-10-21T00:44:33.38
IV.ATCC.EHN. ML:2.3 0.00033850000000000004 0.62 AML other m 2019-10-21T00:44:33.21
IV.FAGN.HHE. ML:2.5 0.000558 0.7 AML other m 2019-10-21T00:44:33.20
IV.EL6.EHN. ML:2.4 0.00046550000000000004 1.06 AML other m 2019-10-21T00:44:35.98
IV.GIGS.HHN. ML:1.5 0.00010240000000000001 0.88 AML other m 2019-10-21T00:44:35.44
IV.MURB.HNE. ML:2.5 0.00047099999999999996 0.38 AML other m 2019-10-21T00:44:36.03
IV.FIAM.HHE. ML:2.0 0.0002105 1.26 AML other m 2019-10-21T00:44:38.86
IV.CESX.HHN. ML:2.1 0.000275 1.2 AML other m 2019-10-21T00:44:39.01
IV.MURB.HHE. ML:2.5 0.0004625 1.26 AML other m 2019-10-21T00:44:39.11
IV.ATCC.EHE. ML:2.4 0.000446 0.8 AML other m 2019-10-21T00:44:40.42
IV.MURB.HNN. ML:2.4 0.0003715 0.36 AML other m 2019-10-21T00:44:40.78
IV.MURB.HHN. ML:2.4 0.0003845 0.34 AML other m 2019-10-21T00:44:40.79
IV.FRON.EHE. ML:2.0 0.000128 0.64 AML other m 2019-10-21T00:44:41.72
IV.COR1.EHE. ML:2.3 0.00020569999999999999 0.42 AML other m 2019-10-21T00:44:41.62
IV.ARVD.HHN. ML:1.8 0.00008615000000000001 0.8 AML other m 2019-10-21T00:44:42.51
IV.VCEL.EHE. ML:2.3 0.00034100000000000005 0.88 AML other m 2019-10-21T00:44:44.73
IV.MPAG.EHE. ML:2.1 0.0001375 1.18 AML other m 2019-10-21T00:44:45.64
IV.VCEL.EHN. ML:2.2 0.0003165 0.86 AML other m 2019-10-21T00:44:46.55
IV.FRON.EHN. ML:2.1 0.00015900000000000002 0.5 AML other m 2019-10-21T00:44:47.48
IV.ARVD.HHE. ML:2.0 0.0001325 0.74 AML other m 2019-10-21T00:44:47.28
IV.NARO.HHN. ML:2.0 0.0000927 0.64 AML other m 2019-10-21T00:44:50.17
IV.NARO.HHE. ML:1.9 0.00007650000000000002 0.82 AML other m 2019-10-21T00:44:51.50
IV.COR1.EHN. ML:2.5 0.00035450000000000005 0.88 AML other m 2019-10-21T00:44:54.85
IV.MPAG.EHN. ML:2.0 0.0001055 1.14 AML other m 2019-10-21T00:44:56.37
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
Waveforms Seismic signals in miniseed + resp format Download