Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 04-03-2017 and time 22:24:09 (Italy) in region 4 km S Montereale (AQ)

A magnitude ML 1.3 earthquake occured in region: 4 km S Montereale (AQ), on

  • 04-03-2017 21:24:09 (UTC)
  • 04-03-2017 22:24:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4940, 13.2420 at 13 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 4 2581 2581
Cagnano Amiterno AQ 4 1369 3950
Barete AQ 6 737 4687
Capitignano AQ 6 665 5352
Pizzoli AQ 8 4326 9678
Borbona RI 9 617 10295
Posta RI 12 694 10989
Campotosto AQ 13 542 11531
Scoppito AQ 14 3727 15258
Cittareale RI 15 482 15740
Antrodoco RI 16 2588 18328
Amatrice RI 16 2657 20985
Micigliano RI 16 127 21112
Borgo Velino RI 18 972 22084

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
78 Km W of Chieti (51815 inhabitants)
80 Km W of Pescara (121014 inhabitants)
91 Km NE of Roma (2864731 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
98 Km NE of Velletri (53303 inhabitants)
98 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
Reviewed
Rev100 		ML 1.3 2017-03-04
21:24:09		 42.4937 13.2418 13 2017-03-04
21:39:26		 Sala Sismica INGV-Roma 41972781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-04 21:24:09 ± 0.08
Latitude 42.4937 ± 0.0027
Longitude 13.2418 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 41972781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 343
Semi-minor axis of confidence ellipse (meter) 246
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 286
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42898
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 41972781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-04 21:39:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.HHZ. 2017-03-04T21:24:44.07 3.0 positive manual Pg 5.66 0
IV.LAV9.HNZ. 2017-03-04T21:24:40.48 3.0 undecidable manual S -0.08 0
IV.EL6.EHZ. 2017-03-04T21:24:34.97 3.0 undecidable manual S -4.34 0
IV.ATVO.HHZ. 2017-03-04T21:24:31.63 3.0 negative manual P 2.2 0
IV.T1216.EHZ. 2017-03-04T21:24:25.32 0.3 undecidable manual S 338 47.619 93 0.28 67
IV.T1245.HHZ. 2017-03-04T21:24:23.45 0.3 undecidable manual S 354 40.5261 93 0.32 67
IV.T1212.EHZ. 2017-03-04T21:24:20.94 0.3 undecidable manual S 331 32.8449 94 -0.16 69
IV.LNSS.HHZ. 2017-03-04T21:24:18.00 0.3 undecidable manual S 306 20.4684 101 0.19 71
IV.T1216.EHZ. 2017-03-04T21:24:18.65 0.1 undecidable manual P 338 47.619 93 0.02 93
IV.T1218.EHZ. 2017-03-04T21:24:18.13 0.3 undecidable manual S 332 22.1556 99 -0.12 70
IV.T1222.EHZ. 2017-03-04T21:24:17.59 0.3 undecidable manual S 239 19.6692 102 -0.02 73
IV.T1245.HHZ. 2017-03-04T21:24:17.40 0.1 undecidable manual P 354 40.5261 93 -0.13 92
IV.SMA1.EHE. 2017-03-04T21:24:16.92 0.3 undecidable manual S 27 16.9719 107 0 74
IV.T1299.EHZ. 2017-03-04T21:24:16.47 0.3 undecidable manual S 12 15.9729 110 -0.18 71
IV.T1212.EHZ. 2017-03-04T21:24:16.13 0.1 undecidable manual P 331 32.8449 94 -0.21 91
IV.GIGS.HHZ. 2017-03-04T21:24:15.32 3.0 undecidable manual P 0.09 0
IV.T1222.EHZ. 2017-03-04T21:24:14.32 0.1 undecidable manual P 239 19.6692 102 -0.01 98
IV.LNSS.HHZ. 2017-03-04T21:24:14.50 0.1 undecidable manual P 306 20.4684 101 0.05 97
IV.RM33.EHZ. 2017-03-04T21:24:14.15 0.6 undecidable manual S 307 2.7972 164 -0.07 50
IV.T1218.EHZ. 2017-03-04T21:24:14.60 0.1 undecidable manual P 332 22.1556 99 -0.1 95
IV.T1299.EHZ. 2017-03-04T21:24:13.72 0.1 undecidable manual P 12 15.9729 110 -0.06 97
IV.SMA1.EHE. 2017-03-04T21:24:13.99 0.1 undecidable manual P 27 16.9719 107 0.06 97
IV.RM33.EHZ. 2017-03-04T21:24:12.40 0.1 undecidable manual P 307 2.7972 164 0.02 100
IV.T1247.HHZ. 2017-03-04T21:24:12.83 0.1 undecidable manual P 141 7.3815 141 0.12 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.3 0.00013767325 0.3072 AML other m 2017-03-04T21:24:18.00
IV.LNSS.HHN. ML:1.4 0.0001691197 0.1024 AML other m 2017-03-04T21:24:18.64
IV.RM33.HNN. ML:1.3 0.00026257225 0.0768 AML other m 2017-03-04T21:24:14.25
IV.RM33.EHN. ML:1.3 0.0002579641 0.064 AML other m 2017-03-04T21:24:14.26
IV.RM33.HNE. ML:1.3 0.000259787 0.1152 AML other m 2017-03-04T21:24:14.37
IV.RM33.EHE. ML:1.3 0.0002672045 0.1152 AML other m 2017-03-04T21:24:14.44
IV.T1218.EHN. ML:1.4 0.00016038000000000003 0.1536 AML other m 2017-03-04T21:24:18.27
IV.T1218.EHE. ML:1.4 0.00015160809 0.0896 AML other m 2017-03-04T21:24:18.42
IV.T1218.HNN. ML:1.4 0.00014567275000000002 0.1408 AML other m 2017-03-04T21:24:18.34
IV.T1218.HNE. ML:1.4 0.00016201335 0.1024 AML other m 2017-03-04T21:24:18.37
IV.T1222.HNE. ML:1.2 0.00009910057 0.2688 AML other m 2017-03-04T21:24:18.01
IV.T1222.EHN. ML:1.0 0.00007093407 0.2688 AML other m 2017-03-04T21:24:17.75
IV.T1222.HNN. ML:1.2 0.00009885877 0.32 AML other m 2017-03-04T21:24:18.38
IV.T1222.EHE. ML:1.2 0.000097783415 0.256 AML other m 2017-03-04T21:24:18.01
IV.T1245.HHN. ML:1.5 0.000105218985 0.2944 AML other m 2017-03-04T21:24:23.88
IV.T1245.HHE. ML:1.4 0.000076955385 0.2304 AML other m 2017-03-04T21:24:25.16
IV.T1247.HHN. ML:1.7 0.0006047917 0.1536 AML other m 2017-03-04T21:24:15.11
IV.T1247.HHE. ML:1.6 0.00048021854999999995 0.1536 AML other m 2017-03-04T21:24:17.82
IV.T1299.EHE. ML:0.9 0.00006919035 0.1664 AML other m 2017-03-04T21:24:17.08
IV.T1299.HNN. ML:1.2 0.000133816515 0.2688 AML other m 2017-03-04T21:24:16.54
IV.T1299.EHN. ML:0.9 0.000064329305 0.1408 AML other m 2017-03-04T21:24:16.54
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