Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 22-03-2017 and time 00:34:18 (Italy) in region 5 km N Montereale (AQ)

A magnitude ML 1.5 earthquake occured in region: 5 km N Montereale (AQ), on

  • 21-03-2017 23:34:18 (UTC)
  • 22-03-2017 00:34:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5740, 13.2480 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Montereale AQ 6 2581 2581
Amatrice RI 7 2657 5238
Capitignano AQ 7 665 5903
Cittareale RI 9 482 6385
Campotosto AQ 10 542 6927
Borbona RI 12 617 7544
Cagnano Amiterno AQ 13 1369 8913
Accumoli RI 14 667 9580
Posta RI 14 694 10274
Barete AQ 14 737 11011
Pizzoli AQ 16 4326 15337
Crognaleto TE 19 1297 16634

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
62 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
77 Km NE of Guidonia Montecelio (88673 inhabitants)
77 Km NE of Tivoli (56533 inhabitants)
79 Km W of Chieti (51815 inhabitants)
80 Km W of Pescara (121014 inhabitants)
92 Km SE of Perugia (166134 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
98 Km NE of Roma (2864731 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
Reviewed
Rev100 		ML 1.5 2017-03-21
23:34:18		 42.5742 13.2483 11 2017-03-21
23:42:55		 Sala Sismica INGV-Roma 42759731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-21 23:34:18 ± 0.07
Latitude 42.5742 ± 0.0036
Longitude 13.2483 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 42759731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 498
Semi-minor axis of confidence ellipse (meter) 388
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54859
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 23
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 42759731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-21 23:42:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OFFI.HHZ. 2017-03-21T23:34:37.76 0.6 undecidable manual S 42 53.6019 50 2.33 15
IV.T1220.EHZ. 2017-03-21T23:34:37.61 0.3 undecidable manual S 348 60.8946 50 0.24 69
IV.GUMA.HHZ. 2017-03-21T23:34:36.61 0.6 undecidable manual S 7 54.6009 50 0.9 38
IV.T1219.EHZ. 2017-03-21T23:34:36.36 3.0 undecidable manual S -0.73 0
IV.FDMO.HHZ. 2017-03-21T23:34:35.44 0.6 undecidable manual S 346 52.9026 50 0.19 47
IV.T1216.EHZ. 2017-03-21T23:34:31.78 0.3 undecidable manual S 332 39.7269 50 0.04 72
IV.MC2.EHZ. 2017-03-21T23:34:31.71 0.3 undecidable manual S 353 37.7289 50 0.52 68
IV.ARRO.EHZ. 2017-03-21T23:34:31.59 0.6 undecidable manual S 271 39.4272 50 -0.06 47
IV.T1220.EHZ. 2017-03-21T23:34:29.24 1.0 positive manual P 348 60.8946 50 -0.2 22
IV.T1241.EHZ. 2017-03-21T23:34:29.93 0.6 undecidable manual S 25 34.6431 50 -0.45 43
IV.T1211.EHZ. 2017-03-21T23:34:29.80 0.6 undecidable manual S 262 32.4453 50 0.01 48
IV.TERO.HHZ. 2017-03-21T23:34:28.14 0.6 undecidable manual S 79 29.5482 50 -0.86 37
IV.GIGS.HHZ. 2017-03-21T23:34:28.58 0.3 undecidable manual S 117 29.748 50 -0.48 65
IV.T1217.EHZ. 2017-03-21T23:34:28.96 0.6 undecidable manual S 301 30.0477 50 -0.18 47
IV.GUMA.HHZ. 2017-03-21T23:34:28.62 0.6 negative manual P 7 54.6009 50 0.13 47
IV.OFFI.HHZ. 2017-03-21T23:34:28.95 0.3 positive manual P 42 53.6019 50 0.63 63
IV.FDMO.HHZ. 2017-03-21T23:34:27.98 1.0 positive manual P 346 52.9026 50 -0.25 22
IV.T1256.HHZ. 2017-03-21T23:34:27.42 1.0 undecidable manual P 358 48.0186 50 -0.04 24
IV.ARRO.EHZ. 2017-03-21T23:34:26.00 0.1 positive manual P 271 39.4272 50 -0.15 93
IV.T1216.EHZ. 2017-03-21T23:34:26.16 1.0 positive manual P 332 39.7269 50 -0.04 24
IV.T1214.EHZ. 2017-03-21T23:34:26.24 0.6 undecidable manual S 351 20.868 50 -0.44 46
IV.T1241.EHZ. 2017-03-21T23:34:25.01 0.6 positive manual P 25 34.6431 50 -0.4 45
IV.T1247.HHZ. 2017-03-21T23:34:25.52 0.6 undecidable manual S 164 15.2736 126 0.39 46
IV.FIAM.HHZ. 2017-03-21T23:34:25.58 0.6 undecidable manual P 198 35.6421 50 0.02 49
IV.MC2.EHZ. 2017-03-21T23:34:25.60 1.0 positive manual P 353 37.7289 50 -0.28 23
IV.T1218.EHZ. 2017-03-21T23:34:24.62 0.6 undecidable manual S 314 15.1737 126 -0.5 47
IV.T1211.EHZ. 2017-03-21T23:34:24.93 1.0 undecidable manual P 262 32.4453 50 -0.14 24
IV.TERO.HHZ. 2017-03-21T23:34:24.22 0.6 undecidable manual P 79 29.5482 50 -0.4 45
IV.T1245.HHZ. 2017-03-21T23:34:24.93 1.0 undecidable manual P 351 31.746 50 -0.02 24
IV.GIGS.HHZ. 2017-03-21T23:34:24.42 0.6 positive manual P 117 29.748 50 -0.23 47
IV.CAMP.HHZ. 2017-03-21T23:34:24.75 0.6 undecidable manual S 108 13.7751 128 0.03 50
IV.T1222.EHZ. 2017-03-21T23:34:24.06 0.3 positive manual P 222 25.8519 50 0.01 74
IV.T1217.EHZ. 2017-03-21T23:34:24.52 0.6 negative manual P 301 30.0477 50 -0.17 47
IV.T1212.EHZ. 2017-03-21T23:34:23.75 1.0 positive manual P 320 25.752 50 -0.29 23
IV.RM33.EHZ. 2017-03-21T23:34:23.46 0.6 undecidable manual S 201 7.7811 145 0.2 49
IV.T1214.EHZ. 2017-03-21T23:34:23.08 1.0 undecidable manual P 351 20.868 50 -0.2 24
IV.CAMP.HHZ. 2017-03-21T23:34:22.25 0.6 negative manual P 108 13.7751 128 0.1 50
IV.T1299.EHZ. 2017-03-21T23:34:22.91 0.6 undecidable manual S 22 7.1928 147 -0.25 50
IV.T1218.EHZ. 2017-03-21T23:34:22.26 0.6 undecidable manual P 314 15.1737 126 -0.11 50
IV.T1247.HHZ. 2017-03-21T23:34:22.66 0.6 undecidable manual P 164 15.2736 126 0.27 48
IV.T1299.EHZ. 2017-03-21T23:34:21.36 0.1 negative manual P 22 7.1928 147 0.12 100
IV.RM33.EHZ. 2017-03-21T23:34:21.60 0.1 undecidable manual P 201 7.7811 145 0.3 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:0.9 0.000030449999999999998 0.2 AML other m 2017-03-21T23:34:31.73
IV.ARRO.EHN. ML:1.1 0.0000434 0.24 AML other m 2017-03-21T23:34:32.15
IV.CAMP.HHN. ML:0.8 0.00005995 1.28 AML other m 2017-03-21T23:34:25.85
IV.CAMP.HHE. ML:0.9 0.00007355 0.88 AML other m 2017-03-21T23:34:25.33
IV.FDMO.HHN. ML:0.8 0.0000174 0.82 AML other m 2017-03-21T23:34:36.49
IV.FDMO.HHE. ML:1.0 0.000024050000000000002 1.3 AML other m 2017-03-21T23:34:36.85
IV.FIAM.HHE. ML:1.0 0.0000348 0.38 AML other m 2017-03-21T23:34:31.22
IV.FIAM.HHN. ML:0.9 0.00003085 0.42 AML other m 2017-03-21T23:34:36.15
IV.GIGS.HHN. ML:0.9 0.0000344 0.18 AML other m 2017-03-21T23:34:28.71
IV.GIGS.HHE. ML:0.7 0.000025550000000000004 0.26 AML other m 2017-03-21T23:34:28.81
IV.GUMA.HHE. ML:1.7 0.0001064 0.28 AML other m 2017-03-21T23:34:36.71
IV.GUMA.HHN. ML:1.4 0.00006665000000000001 0.7 AML other m 2017-03-21T23:34:38.50
IV.RM33.HNE. ML:1.8 0.0009490000000000001 0.34 AML other m 2017-03-21T23:34:23.83
IV.RM33.EHE. ML:1.8 0.0009265 0.34 AML other m 2017-03-21T23:34:23.83
IV.RM33.EHN. ML:1.6 0.0005845000000000001 0.16 AML other m 2017-03-21T23:34:23.81
IV.RM33.HNN. ML:1.6 0.000558 0.16 AML other m 2017-03-21T23:34:23.81
IV.T1211.HNN. ML:2.1 0.0005 0.12 AML other m 2017-03-21T23:34:30.19
IV.T1211.EHN. ML:2.1 0.0004985 0.12 AML other m 2017-03-21T23:34:30.13
IV.T1211.EHE. ML:1.7 0.0002275 0.4 AML other m 2017-03-21T23:34:30.07
IV.T1211.HNE. ML:1.7 0.0002225 1.12 AML other m 2017-03-21T23:34:30.07
IV.T1217.EHN. ML:1.1 0.00005465000000000001 0.28 AML other m 2017-03-21T23:34:29.41
IV.T1217.EHE. ML:0.9 0.00003995 0.18 AML other m 2017-03-21T23:34:30.91
IV.T1218.HNE. ML:1.4 0.0002125 0.12 AML other m 2017-03-21T23:34:24.88
IV.T1218.EHE. ML:1.3 0.00019800000000000002 0.14 AML other m 2017-03-21T23:34:24.88
IV.T1218.EHN. ML:1.6 0.000412 0.22 AML other m 2017-03-21T23:34:24.98
IV.T1218.HNN. ML:1.6 0.0004075 0.22 AML other m 2017-03-21T23:34:24.87
IV.T1220.HNN. ML:3.5 0.007180000000000001 1.58 AML other m 2017-03-21T23:34:48.15
IV.T1220.HNE. ML:4.6 0.0709 0.42 AML other m 2017-03-21T23:34:53.38
IV.T1241.EHE. ML:1.0 0.000038650000000000004 1.14 AML other m 2017-03-21T23:34:30.86
IV.T1241.EHN. ML:0.8 0.000027450000000000003 0.42 AML other m 2017-03-21T23:34:30.29
IV.T1245.HHN. ML:1.4 0.0001085 0.26 AML other m 2017-03-21T23:34:29.84
IV.T1245.HHE. ML:1.3 0.0000897 1.66 AML other m 2017-03-21T23:34:31.99
IV.T1247.HHN. ML:1.5 0.000302 1.28 AML other m 2017-03-21T23:34:26.73
IV.T1247.HHE. ML:1.6 0.00033650000000000005 1 AML other m 2017-03-21T23:34:26.36
IV.T1299.EHE. ML:1.6 0.000547 0.3 AML other m 2017-03-21T23:34:23.18
IV.T1299.EHN. ML:1.6 0.0004975 0.98 AML other m 2017-03-21T23:34:23.52
IV.T1299.HNN. ML:2.4 0.0034 0.58 AML other m 2017-03-21T23:34:21.50
IV.T1299.HNE. ML:1.6 0.0005484999999999999 0.3 AML other m 2017-03-21T23:34:23.17
IV.TERO.HHN. ML:1.7 0.000258 0.66 AML other m 2017-03-21T23:34:28.72
IV.TERO.HNN. ML:1.7 0.00023249999999999999 0.66 AML other m 2017-03-21T23:34:28.72
IV.TERO.HNE. ML:1.6 0.0001815 0.18 AML other m 2017-03-21T23:34:28.44
IV.TERO.HHE. ML:1.6 0.0002115 0.2 AML other m 2017-03-21T23:34:28.53
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