Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 21-07-2017 and time 19:55:39 (Italy) in region 4 km W Campotosto (AQ)

A magnitude ML 2.0 earthquake occured in region: 4 km W Campotosto (AQ), on

  • 21-07-2017 17:55:39 (UTC)
  • 21-07-2017 19:55:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5680, 13.3260 at 13 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
Campotosto AQ 4 542 542
Capitignano AQ 6 665 1207
Amatrice RI 8 2657 3864
Montereale AQ 8 2581 6445
Crognaleto TE 13 1297 7742
Barete AQ 13 737 8479
Cagnano Amiterno AQ 15 1369 9848
Pizzoli AQ 15 4326 14174
Cittareale RI 15 482 14656
Accumoli RI 16 667 15323
Cortino TE 16 656 15979
Borbona RI 17 617 16596
Fano Adriano TE 17 296 16892
Pietracamela TE 19 271 17163
Posta RI 19 694 17857

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of L'Aquila (69753 inhabitants)
33 Km W of Teramo (54892 inhabitants)
56 Km E of Terni (111501 inhabitants)
67 Km SE of Foligno (57155 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
73 Km W of Chieti (51815 inhabitants)
74 Km W of Pescara (121014 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km SE of Perugia (166134 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 2.0 2017-07-21
17:55:39		 42.5678 13.3262 13 2019-03-25
14:06:49		 Bollettino Sismico Italiano INGV 63050651
Reviewed
Rev100 		ML 2.0 2017-07-21
17:55:39		 42.5712 13.3295 14 2017-07-21
18:21:29		 Sala Sismica INGV-Roma 48152751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-07-21 17:55:39 ± 0.04
Latitude 42.5678 ± 0.0027
Longitude 13.3262 ± 0.0037
Depth (km) 13 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 63050651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 270
Semi-minor axis of confidence ellipse (meter) 92
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 217
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.06295
Epicentral distance of station farthest from the epicenter (degree) 0.77881
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 51
Type of magnitude ML
Reference to an origin 63050651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-11-14 16:08:38

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 51
Type of magnitude ML
Reference to an origin 48152751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-07-21 18:21:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2017-07-21T17:55:56.89 0.3 undecidable manual S 340 55.5 93 0.26 67
IV.T1221.EHZ. 2017-07-21T17:55:55.69 0.1 undecidable manual S 310 50.8158 93 0.31 89
IV.T1256.HHZ. 2017-07-21T17:55:55.14 0.6 undecidable manual S 351 49.3173 93 0.16 46
IV.ARRO.EHZ. 2017-07-21T17:55:54.18 0.3 undecidable manual S 272 45.8208 94 0.13 70
IV.EL6.EHZ. 2017-07-21T17:55:54.27 0.3 undecidable manual P 348 86.4468 92 0.18 64
IV.CERT.HHZ. 2017-07-21T17:55:51.97 0.3 undecidable manual P 203 74.2701 92 -0.25 64
IV.MMO1.EHZ. 2017-07-21T17:55:51.53 0.3 undecidable manual S 0 36.741 95 -0.12 70
IV.MOMA.HHZ. 2017-07-21T17:55:51.18 0.3 undecidable manual P 293 66.9774 92 0.08 68
IV.FIAM.HHZ. 2017-07-21T17:55:51.89 0.6 undecidable manual S 207 37.4292 95 0.08 48
IV.T1211.EHZ. 2017-07-21T17:55:51.94 0.3 undecidable manual S 264 38.7279 95 -0.21 68
IV.NRCA.HHZ. 2017-07-21T17:55:50.68 0.1 undecidable manual S 330 34.1436 96 -0.27 91
IV.T1245.HHZ. 2017-07-21T17:55:50.83 0.3 undecidable manual S 341 33.9438 96 -0.07 71
IV.FDMO.HHZ. 2017-07-21T17:55:49.32 0.6 undecidable manual P 340 55.5 93 -0.01 46
IV.GUMA.HHZ. 2017-07-21T17:55:49.56 0.3 undecidable manual P 1 54.9006 93 0.32 65
IV.OFFI.HHZ. 2017-07-21T17:55:49.31 0.1 undecidable manual P 36 50.2164 93 0.8 75
IV.VCEL.EHZ. 2017-07-21T17:55:48.28 0.3 undecidable manual P 114 46.2204 94 0.37 66
IV.LNSS.HHZ. 2017-07-21T17:55:48.20 0.1 undecidable manual S 280 23.6541 101 0.02 98
MN.AQU.HHE. 2017-07-21T17:55:48.55 0.3 undecidable manual S 165 24.5532 100 0.13 72
IV.T1221.EHZ. 2017-07-21T17:55:48.57 0.1 undecidable manual P 310 50.8158 93 -0.03 93
IV.T1213.HNE. 2017-07-21T17:55:48.05 0.6 undecidable manual S 317 23.8539 101 -0.19 47
IV.TERO.HHZ. 2017-07-21T17:55:47.62 0.6 undecidable manual S 75 23.4543 101 -0.51 45
IV.ARRO.EHZ. 2017-07-21T17:55:47.79 0.1 undecidable manual P 272 45.8208 94 -0.05 93
IV.T1218.EHZ. 2017-07-21T17:55:47.22 0.1 undecidable manual S 303 20.5683 105 -0.17 95
IV.T1256.HHZ. 2017-07-21T17:55:47.91 0.1 undecidable manual P 351 49.3173 93 -0.47 85
IV.GIGS.HHZ. 2017-07-21T17:55:47.85 0.6 undecidable manual S 122 23.8539 101 -0.38 46
IV.FIAM.HHZ. 2017-07-21T17:55:46.49 0.1 undecidable manual P 207 37.4292 95 -0.06 95
IV.T1211.EHZ. 2017-07-21T17:55:46.64 0.1 undecidable manual P 264 38.7279 95 -0.1 94
IV.MMO1.EHZ. 2017-07-21T17:55:46.32 0.1 undecidable manual P 0 36.741 95 -0.13 94
IV.T1246.HHE. 2017-07-21T17:55:45.38 0.3 undecidable manual S 83 13.7751 120 -0.3 71
IV.T1245.HHZ. 2017-07-21T17:55:45.89 0.3 undecidable manual P 341 33.9438 96 -0.12 71
IV.T1247.HHZ. 2017-07-21T17:55:45.88 0.1 undecidable manual S 189 14.1747 118 0.09 98
IV.NRCA.HHZ. 2017-07-21T17:55:45.92 0.1 undecidable manual P 330 34.1436 96 -0.13 94
IV.RM33.HNZ. 2017-07-21T17:55:45.09 0.1 undecidable manual S 234 11.1777 128 -0.03 100
MN.AQU.HHE. 2017-07-21T17:55:44.61 0.3 undecidable manual P 165 24.5532 100 0.02 73
IV.SMA1.EHZ. 2017-07-21T17:55:44.40 0.1 undecidable manual S 6 6.993 145 0.05 100
IV.GIGS.HHZ. 2017-07-21T17:55:44.28 0.1 undecidable manual P 122 23.8539 101 -0.19 95
IV.T1213.HNE. 2017-07-21T17:55:44.40 0.1 undecidable manual P 317 23.8539 101 -0.08 97
IV.CAMP.HHZ. 2017-07-21T17:55:44.30 0.1 undecidable manual S 118 7.6812 142 -0.15 99
IV.TERO.HHZ. 2017-07-21T17:55:44.21 0.1 undecidable manual P 75 23.4543 101 -0.21 95
IV.T1299.EHZ. 2017-07-21T17:55:44.62 0.3 undecidable manual S 334 8.1807 140 0.08 74
IV.LNSS.HHZ. 2017-07-21T17:55:44.55 0.1 undecidable manual P 280 23.6541 101 0.1 97
IV.T1218.EHZ. 2017-07-21T17:55:43.99 0.1 undecidable manual P 303 20.5683 105 0 99
IV.T1246.HHE. 2017-07-21T17:55:43.00 0.1 undecidable manual P 83 13.7751 120 0 100
IV.T1247.HHZ. 2017-07-21T17:55:43.25 0.1 undecidable manual P 189 14.1747 118 0.18 96
IV.T1299.EHZ. 2017-07-21T17:55:42.53 0.1 undecidable manual P 334 8.1807 140 0.19 97
IV.RM33.HNZ. 2017-07-21T17:55:42.88 0.1 undecidable manual P 234 11.1777 128 0.2 97
IV.SMA1.EHZ. 2017-07-21T17:55:42.38 0.1 undecidable manual P 6 6.993 145 0.15 98
IV.CAMP.HHZ. 2017-07-21T17:55:42.44 0.1 undecidable manual P 118 7.6812 142 0.15 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:1.4 0.0002715 0.68 AML other m 2017-07-21T17:55:44.62
IV.SMA1.EHN. ML:2.1 0.0014399999999999999 0.44 AML other m 2017-07-21T17:55:44.63
IV.T1299.EHE. ML:1.8 0.000837 0.38 AML other m 2017-07-21T17:55:44.88
IV.CAMP.HHN. ML:1.4 0.000306 1.08 AML other m 2017-07-21T17:55:44.73
IV.T1299.EHN. ML:1.9 0.0008575 0.18 AML other m 2017-07-21T17:55:44.78
IV.SMA1.EHE. ML:2.4 0.00276 1.58 AML other m 2017-07-21T17:55:44.80
IV.RM33.EHE. ML:2.5 0.003075 0.14 AML other m 2017-07-21T17:55:45.50
IV.RM33.HNE. ML:2.5 0.0030800000000000003 0.14 AML other m 2017-07-21T17:55:45.50
IV.RM33.HNN. ML:2.3 0.002025 1.6 AML other m 2017-07-21T17:55:46.84
IV.RM33.EHN. ML:2.3 0.0019950000000000002 1.58 AML other m 2017-07-21T17:55:46.05
IV.T1247.HHN. ML:2.4 0.00243 0.38 AML other m 2017-07-21T17:55:46.24
IV.T1247.HHE. ML:2.5 0.002935 0.34 AML other m 2017-07-21T17:55:46.07
IV.T1218.EHE. ML:2.0 0.0006625000000000001 0.32 AML other m 2017-07-21T17:55:47.50
IV.T1218.EHN. ML:2.2 0.0011149999999999999 0.2 AML other m 2017-07-21T17:55:47.62
IV.T1218.HNN. ML:2.2 0.001105 0.2 AML other m 2017-07-21T17:55:47.62
IV.TERO.HHE. ML:1.7 0.00028649999999999997 1.26 AML other m 2017-07-21T17:55:47.03
IV.T1218.HNE. ML:2.0 0.0007225 0.52 AML other m 2017-07-21T17:55:47.50
IV.TERO.HHN. ML:1.8 0.00041299999999999996 1.82 AML other m 2017-07-21T17:55:48.93
IV.LNSS.HHN. ML:2.3 0.0011400000000000002 0.3 AML other m 2017-07-21T17:55:48.56
IV.LNSS.HHE. ML:2.4 0.0015 0.34 AML other m 2017-07-21T17:55:48.53
IV.NRCA.HNN. ML:2.4 0.0009105 1.16 AML other m 2017-07-21T17:55:51.00
IV.NRCA.HHN. ML:2.4 0.000987 1.16 AML other m 2017-07-21T17:55:51.00
IV.NRCA.HHE. ML:2.4 0.0010405 0.12 AML other m 2017-07-21T17:55:51.06
IV.NRCA.HNE. ML:2.4 0.0009550000000000001 0.12 AML other m 2017-07-21T17:55:51.06
IV.FIAM.HHE. ML:1.7 0.00016515000000000003 0.34 AML other m 2017-07-21T17:55:52.22
IV.T1245.HHE. ML:2.0 0.00041549999999999996 1.02 AML other m 2017-07-21T17:55:52.36
IV.T1211.EHE. ML:2.1 0.0004555 0.28 AML other m 2017-07-21T17:55:53.00
IV.T1211.HNE. ML:2.1 0.0004395 1.7 AML other m 2017-07-21T17:55:53.14
IV.T1245.HHN. ML:2.2 0.000608 1.12 AML other m 2017-07-21T17:55:53.76
IV.T1211.HNN. ML:2.3 0.0006519999999999999 0.4 AML other m 2017-07-21T17:55:53.19
IV.T1211.EHN. ML:2.3 0.0006715 0.42 AML other m 2017-07-21T17:55:53.19
IV.ARRO.EHN. ML:1.8 0.00016099999999999998 0.14 AML other m 2017-07-21T17:55:54.52
IV.FIAM.HHN. ML:1.6 0.0001351294 0.8 AML other m 2017-07-21T17:55:54.23
IV.T1256.HHN. ML:1.7 0.00014050000000000003 0.82 AML other m 2017-07-21T17:55:56.43
IV.ARRO.EHE. ML:1.7 0.0001535 0.84 AML other m 2017-07-21T17:55:56.05
IV.T1256.HHE. ML:1.8 0.00016949999999999997 1.04 AML other m 2017-07-21T17:55:56.26
IV.VCEL.EHN. ML:1.8 0.00016849999999999998 0.9 AML other m 2017-07-21T17:55:56.44
IV.FDMO.HHN. ML:1.7 0.00011119999999999999 0.94 AML other m 2017-07-21T17:55:57.34
IV.VCEL.EHE. ML:1.8 0.00017199999999999998 0.5 AML other m 2017-07-21T17:55:57.62
IV.GUMA.HHE. ML:2.2 0.0003395 0.44 AML other m 2017-07-21T17:55:58.00
IV.FDMO.HHE. ML:1.8 0.00012855 0.18 AML other m 2017-07-21T17:55:58.25
IV.OFFI.HHE. ML:2.2 0.00041600000000000003 0.26 AML other m 2017-07-21T17:55:58.43
IV.GUMA.HHN. ML:2.2 0.00033350000000000003 0.36 AML other m 2017-07-21T17:55:58.30
IV.OFFI.HHN. ML:2.1 0.00035350000000000003 1.06 AML other m 2017-07-21T17:56:00.59
IV.CESX.HHN. ML:1.7 0.000108 0.48 AML other m 2017-07-21T17:56:01.05
IV.MOMA.HHN. ML:1.8 0.000125 0.22 AML other m 2017-07-21T17:56:01.60
IV.MOMA.HHE. ML:1.9 0.00013550000000000001 0.98 AML other m 2017-07-21T17:56:01.06
IV.ASSB.HHE. ML:1.7 0.00007185 0.6 AML other m 2017-07-21T17:56:04.64
IV.ASSB.HHN. ML:1.8 0.00008305 0.56 AML other m 2017-07-21T17:56:04.90
IV.CERT.HHN. ML:1.6 0.000052600000000000005 1 AML other m 2017-07-21T17:56:08.00
IV.CERT.HHE. ML:1.7 0.0000698 0.3 AML other m 2017-07-21T17:56:09.48
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