Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 23-09-2019 and time 06:33:48 (UTC) in region 4 km W Torricella Sicura (TE)

A magnitude ML 2.1 earthquake occured in region: 4 km W Torricella Sicura (TE), on

  • 23-09-2019 06:33:48 (UTC)
  • 23-09-2019 08:33:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6690, 13.6070 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
Torricella Sicura TE 4 2641 2641
Rocca Santa Maria TE 7 537 3178
Teramo TE 8 54892 58070
Campli TE 9 7209 65279
Cortino TE 10 656 65935
Montorio al Vomano TE 10 8218 74153
Valle Castellana TE 12 977 75130
Civitella del Tronto TE 13 5116 80246
Basciano TE 14 2434 82680
Tossicia TE 14 1406 84086
Fano Adriano TE 14 296 84382
Colledara TE 16 2179 86561
Penna Sant'Andrea TE 16 1698 88259
Canzano TE 16 1934 90193
Castel Castagna TE 17 500 90693
Pietracamela TE 17 271 90964
Crognaleto TE 17 1297 92261
Folignano AP 17 9241 101502
Castellalto TE 17 7513 109015
Cermignano TE 18 1649 110664
Bellante TE 18 7152 117816
Isola del Gran Sasso d'Italia TE 19 4773 122589
Maltignano AP 19 2401 124990
Acquasanta Terme AP 20 2916 127906
Sant'Egidio alla Vibrata TE 20 9811 137717

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km W of Teramo (54892 inhabitants)
39 Km NE of L'Aquila (69753 inhabitants)
48 Km W of Montesilvano (53738 inhabitants)
55 Km W of Pescara (121014 inhabitants)
58 Km NW of Chieti (51815 inhabitants)
79 Km E of Terni (111501 inhabitants)
80 Km E of Foligno (57155 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 2019-09-23
06:33:48		 42.669 13.6073 20 2020-02-28
16:41:53		 Bollettino Sismico Italiano INGV 72828001
Reviewed
Rev100 		ML 2.1 2019-09-23
06:33:48		 42.6695 13.6052 21 2019-09-23
06:44:09		 Sala Sismica INGV-Roma 72685161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-23 06:33:48 ± 0.07
Latitude 42.6690 ± 0.0036
Longitude 13.6073 ± 0.0061
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 72828001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 477
Semi-minor axis of confidence ellipse (meter) 84
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.16732
Number of stations at which the event was observed 46
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 72685161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-23 06:44:09

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 43
Type of magnitude ML
Reference to an origin 72828001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-27 14:34:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RNCA.HHZ. 2019-09-23T06:35:44.17 3.0 undecidable manual Sg 12.13 0
IV.SPS2.HHZ. 2019-09-23T06:35:41.79 3.0 undecidable manual Sg 10.94 0
IV.LINA.HHZ. 2019-09-23T06:35:20.29 3.0 negative manual Pn -2.97 0
TV.SU26.HHZ. 2019-09-23T06:35:18.98 3.0 negative manual Pg 16.67 0
IV.ISPIC.HNZ. 2019-09-23T06:35:17.28 3.0 undecidable manual Pn 5.46 0
GU.RSP.HHZ. 2019-09-23T06:35:09.33 3.0 undecidable manual Pn 4.86 0
IV.CESI.HHZ. 2019-09-23T06:35:09.80 1.0 undecidable manual S 303 68.2761 99 6.076 0
MN.PDG.HHZ. 2019-09-23T06:35:01.63 3.0 undecidable manual Pg 11.38 0
IV.CAPR.HNZ. 2019-09-23T06:35:01.86 3.0 undecidable manual Pg 13.67 0
IV.CMPR.HHZ. 2019-09-23T06:34:59.46 3.0 undecidable manual Sn 0.21 0
IV.ILLI.HHZ. 2019-09-23T06:34:56.12 3.0 undecidable manual Pg 6.52 0
IV.MAGO.CHZ. 2019-09-23T06:34:54.09 3.0 undecidable manual Sn 1.71 0
IV.EUCT.HNZ. 2019-09-23T06:34:48.31 3.0 undecidable manual Pn -1.33 0
CR.ZAG.BHZ. 2019-09-23T06:34:46.50 3.0 negative manual Pn 2.64 0
GU.GRAM.HHZ. 2019-09-23T06:34:39.55 3.0 negative manual Pn 3.09 0
IV.SIRI.HHZ. 2019-09-23T06:34:35.50 3.0 negative manual Pg 3.56 0
MN.CUC.HHZ. 2019-09-23T06:34:34.74 3.0 negative manual Pn 1 0
GU.CARD.HHZ. 2019-09-23T06:34:28.52 3.0 negative manual Pn -0.9 0
IV.PIEI.HHZ. 2019-09-23T06:34:10.09 3.0 undecidable manual P 129.5703 0.47 0
IV.MOMA.HHZ. 2019-09-23T06:34:10.30 3.0 undecidable manual S -3.76 0
IV.PF6.EHN. 2019-09-23T06:34:07.80 1.0 undecidable manual S 327 61.8936 100 0.43 21
IV.FDMO.HHZ. 2019-09-23T06:34:06.80 0.6 undecidable manual S 314 58.6968 101 0.25 44
IV.CSP1.EHZ. 2019-09-23T06:34:06.30 0.3 undecidable manual S 325 57.1983 101 0.16 68
IV.ATCC.EHZ. 2019-09-23T06:34:05.04 0.3 undecidable manual P 306 97.2249 96 0.38 60
IT.VNF1.HGZ. 2019-09-23T06:34:05.20 3.0 undecidable manual P -1.82 0
IV.NRCA.HHZ. 2019-09-23T06:34:03.00 0.3 undecidable manual S 295 44.1225 106 0.26 68
IV.VVLD.HHZ. 2019-09-23T06:34:03.24 1.0 undecidable manual P 179 88.6446 97 -0.11 21
IV.MC2.EHZ. 2019-09-23T06:34:02.90 0.3 undecidable manual S 308 43.4232 106 0.34 67
IV.EL6.EHZ. 2019-09-23T06:34:02.69 0.3 undecidable manual P 331 83.9493 97 0.06 65
IV.VCEL.EHZ. 2019-09-23T06:34:01.30 1.0 undecidable manual S 148 35.9418 110 0.64 20
IV.LPEL.HHZ. 2019-09-23T06:34:01.79 1.0 undecidable manual P 145 83.6496 97 -0.79 18
IV.RM33.EHZ. 2019-09-23T06:34:01.40 1.0 undecidable manual S 241 36.6411 110 0.56 21
IV.INTR.HHZ. 2019-09-23T06:34:01.08 0.3 undecidable manual P 161 76.8675 98 -0.47 61
IV.CESI.HHZ. 2019-09-23T06:34:00.17 0.1 undecidable manual P 303 68.2761 99 -0.06 90
IV.MMO1.EHZ. 2019-09-23T06:34:00.00 0.3 undecidable manual S 318 34.2435 111 -0.25 69
IV.OFFI.HHZ. 2019-09-23T06:33:59.70 0.3 undecidable manual S 12 30.1476 115 0.45 66
IV.TRTR.HHZ. 2019-09-23T06:33:59.80 1.0 undecidable manual S 58 29.3484 115 0.76 19
IV.FDMO.HHZ. 2019-09-23T06:33:58.47 0.1 undecidable manual P 314 58.6968 101 -0.31 86
IV.CSP1.EHZ. 2019-09-23T06:33:58.18 0.1 positive manual P 325 57.1983 101 -0.37 86
IV.PF6.EHN. 2019-09-23T06:33:58.81 0.1 undecidable manual P 327 61.8936 100 -0.45 83
IV.GAVE.EHZ. 2019-09-23T06:33:58.91 0.3 undecidable manual P 273 58.1973 101 0.21 67
IV.SMA1.EHZ. 2019-09-23T06:33:57.70 0.6 undecidable manual S 259 22.5552 124 0.23 47
IV.GUMA.HHZ. 2019-09-23T06:33:57.37 0.3 undecidable manual P 333 48.9177 104 0.06 70
IV.CAMP.HHE. 2019-09-23T06:33:57.60 0.3 undecidable manual S 228 21.9669 125 0.28 70
IV.GIGS.HHZ. 2019-09-23T06:33:57.80 0.3 undecidable manual S 187 24.0537 122 -0.01 73
IV.T0110.HHZ. 2019-09-23T06:33:57.62 0.1 positive manual P 164 50.7159 103 0.05 92
IV.MC2.EHZ. 2019-09-23T06:33:56.41 0.1 undecidable manual P 308 43.4232 106 -0.07 93
IV.MTRA.HNZ. 2019-09-23T06:33:56.60 0.3 undecidable manual S 300 19.7691 128 -0.25 70
IV.MNTT.EHZ. 2019-09-23T06:33:56.88 0.1 undecidable manual P 359 43.623 106 0.37 88
IV.NRCA.HHZ. 2019-09-23T06:33:56.50 0.1 undecidable manual P 295 44.1225 106 -0.09 93
IV.MF5.EHZ. 2019-09-23T06:33:55.42 0.3 undecidable manual P 341 37.3293 109 -0.17 69
IV.VCEL.EHZ. 2019-09-23T06:33:55.42 0.1 positive manual P 148 35.9418 110 0.03 95
IV.RM33.EHZ. 2019-09-23T06:33:55.59 0.3 undecidable manual P 241 36.6411 110 0.1 71
IV.OFFI.HHZ. 2019-09-23T06:33:54.62 0.1 undecidable manual P 12 30.1476 115 0.05 96
IV.TRTR.HHZ. 2019-09-23T06:33:54.59 0.1 undecidable manual P 58 29.3484 115 0.14 94
IV.MMO1.EHZ. 2019-09-23T06:33:54.86 0.1 undecidable manual P 318 34.2435 111 -0.29 91
IV.TERO.HHZ. 2019-09-23T06:33:54.30 0.1 undecidable manual S 183 5.0949 163 -0.3 96
IV.CAMP.HHE. 2019-09-23T06:33:53.60 0.1 undecidable manual P 228 21.9669 125 0.14 96
IV.SMA1.EHZ. 2019-09-23T06:33:53.59 0.1 positive manual P 259 22.5552 124 0.05 98
IV.GIGS.HHZ. 2019-09-23T06:33:53.66 0.1 positive manual P 187 24.0537 122 -0.08 97
IV.MTRA.HNZ. 2019-09-23T06:33:52.96 0.1 undecidable manual P 300 19.7691 128 -0.23 95
IV.TERO.HHZ. 2019-09-23T06:33:51.78 0.1 undecidable manual P 183 5.0949 163 -0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HNN. ML:2.6 0.0035499999999999998 0.34 AML other m 2019-09-23T06:33:54.43
IV.TERO.HHN. ML:2.9 0.0070999999999999995 0.16 AML other m 2019-09-23T06:33:54.43
IV.TERO.HHE. ML:2.7 0.00417 0.08 AML other m 2019-09-23T06:33:54.57
IV.TERO.HNE. ML:2.3 0.00158 0.2 AML other m 2019-09-23T06:33:54.72
IV.MTRA.EHN. ML:2.1 0.0006785 0.3 AML other m 2019-09-23T06:33:56.93
IV.MTRA.HNN. ML:2.1 0.0006540000000000001 0.28 AML other m 2019-09-23T06:33:56.92
IV.MTRA.HNE. ML:2.2 0.000964 1.02 AML other m 2019-09-23T06:33:57.82
IV.MTRA.EHE. ML:2.2 0.0009885 1.02 AML other m 2019-09-23T06:33:57.83
IV.SMA1.EHN. ML:1.9 0.000389 1.6 AML other m 2019-09-23T06:33:57.87
IV.SMA1.EHE. ML:2.0 0.000501 0.24 AML other m 2019-09-23T06:33:58.43
IV.OFFI.HHE. ML:2.3 0.00076 1.42 AML other m 2019-09-23T06:34:00.84
IV.MF5.EHN. ML:2.3 0.0006355 0.32 AML other m 2019-09-23T06:34:01.42
IV.VCEL.EHE. ML:2.2 0.0005859999999999999 0.3 AML other m 2019-09-23T06:34:01.55
IV.VCEL.EHN. ML:2.2 0.000489 0.8 AML other m 2019-09-23T06:34:01.70
IV.TRTR.HHE. ML:2.4 0.0010305 0.42 AML other m 2019-09-23T06:34:01.66
IV.MF5.EHE. ML:2.0 0.0002985 0.9 AML other m 2019-09-23T06:34:02.98
IV.NRCA.HHN. ML:2.1 0.0003605 0.12 AML other m 2019-09-23T06:34:03.55
IV.RM33.EHN. ML:1.5 0.00011449999999999999 0.14 AML other m 2019-09-23T06:34:03.66
IV.NRCA.HNE. ML:2.1 0.000358 0.54 AML other m 2019-09-23T06:34:03.83
IV.NRCA.HHE. ML:2.1 0.0003625 0.1 AML other m 2019-09-23T06:34:03.83
IV.NRCA.HNN. ML:2.1 0.00036850000000000007 0.94 AML other m 2019-09-23T06:34:04.56
IV.RM33.EHE. ML:1.6 0.00011949999999999999 0.3 AML other m 2019-09-23T06:34:04.42
IV.OFFI.HHN. ML:2.1 0.0005854999999999999 1.56 AML other m 2019-09-23T06:34:06.85
IV.CSP1.EHN. ML:2.0 0.000183 0.28 AML other m 2019-09-23T06:34:06.72
IV.CSP1.EHE. ML:1.9 0.000156 0.5 AML other m 2019-09-23T06:34:07.30
IV.FDMO.HHN. ML:1.7 0.00011105000000000002 0.98 AML other m 2019-09-23T06:34:07.04
IV.FDMO.HHE. ML:1.7 0.00009914999999999998 0.12 AML other m 2019-09-23T06:34:07.58
IV.T0110.HHN. ML:2.0 0.000225 1.66 AML other m 2019-09-23T06:34:07.12
IV.GUMA.HHN. ML:2.2 0.00035549999999999997 0.34 AML other m 2019-09-23T06:34:08.41
IV.TRTR.HHN. ML:2.4 0.001171 0.6 AML other m 2019-09-23T06:34:09.55
IV.CESI.HHN. ML:1.9 0.000143 0.52 AML other m 2019-09-23T06:34:10.11
IV.CESI.HHE. ML:1.7 0.000078 0.44 AML other m 2019-09-23T06:34:11.39
IV.T0110.HHE. ML:1.9 0.000174 0.9 AML other m 2019-09-23T06:34:11.23
IV.GUMA.HHE. ML:2.2 0.0003865 0.76 AML other m 2019-09-23T06:34:11.07
IV.MOMA.HHN. ML:2.3 0.000243 0.44 AML other m 2019-09-23T06:34:13.17
IV.MOMA.HHE. ML:2.3 0.000259 0.18 AML other m 2019-09-23T06:34:13.76
IV.GAVE.EHN. ML:1.8 0.0001166 0.74 AML other m 2019-09-23T06:34:17.67
IV.GAVE.EHE. ML:1.8 0.00011549999999999999 0.48 AML other m 2019-09-23T06:34:18.64
IV.EL6.EHN. ML:2.0 0.0001103 0.74 AML other m 2019-09-23T06:34:18.67
IV.EL6.EHE. ML:2.0 0.0001228 1.1 AML other m 2019-09-23T06:34:18.21
IV.PIEI.HHE. ML:1.6 0.0000273 0.64 AML other m 2019-09-23T06:34:33.88
IV.PIEI.HHN. ML:1.7 0.00003225 1 AML other m 2019-09-23T06:34:38.71
IV.MAGO.CHE. ML:2.8 0.00013700000000000002 0.98 AML other m 2019-09-23T06:35:09.58
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