Earthquake with magnitude of ML 1.2 on date 24-03-2017 and time 04:42:34 (Italy) in region 1 km SW Arquata del Tronto (AP)

A magnitude ML 1.2 earthquake occured in region: 1 km SW Arquata del Tronto (AP), on

  • 24-03-2017 03:42:34 (UTC)
  • 24-03-2017 04:42:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7670, 13.2890 at 14 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.

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 1 1178 1178
Accumoli RI 9 667 1845
Montegallo AP 9 523 2368
Acquasanta Terme AP 10 2916 5284
Amatrice RI 15 2657 7941
Montemonaco AP 15 604 8545
Norcia PG 16 4957 13502
Valle Castellana TE 18 977 14479
Castelsantangelo sul Nera MC 18 281 14760
Roccafluvione AP 19 2010 16770
Cittareale RI 20 482 17252

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km W of Teramo (54892 inhabitants)
47 Km N of L'Aquila (69753 inhabitants)
52 Km E of Foligno (57155 inhabitants)
57 Km E of Terni (111501 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
82 Km E of Perugia (166134 inhabitants)
83 Km W of Pescara (121014 inhabitants)
86 Km NW of Chieti (51815 inhabitants)
96 Km S of Ancona (100861 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
98 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
Reviewed
Rev100
ML 1.2 2017-03-24
03:42:34
42.767 13.2887 14 2017-03-24
04:00:35
Sala Sismica INGV-Roma 42851751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-24 03:42:34 ± 0.11
Latitude 42.7670 ± 0.0036
Longitude 13.2887 ± 0.0061
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 42851751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 518
Semi-minor axis of confidence ellipse (meter) 145
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 89
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 20
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) 0.37682
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 42851751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-24 04:00:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OFFI.HHZ. 2017-03-24T03:42:48.64 3.0 undecidable manual S 60 37.3293 96 2.15 0
IV.GIGS.HHZ. 2017-03-24T03:42:47.23 0.3 undecidable manual S 146 41.8248 95 -0.46 64
IV.T1216.EHZ. 2017-03-24T03:42:43.30 0.3 undecidable manual S 302 25.8519 101 -0.17 72
IV.T1256.HHZ. 2017-03-24T03:42:43.76 0.1 undecidable manual S 349 27.0507 100 -0.01 99
IV.OFFI.HHZ. 2017-03-24T03:42:41.96 0.1 undecidable manual P 60 37.3293 96 0.73 82
IV.T1212.EHZ. 2017-03-24T03:42:41.83 0.3 undecidable manual S 265 19.9689 108 -0.1 74
IV.GIGS.HHZ. 2017-03-24T03:42:41.59 1.0 undecidable manual P 146 41.8248 95 -0.33 22
IV.T1218.EHZ. 2017-03-24T03:42:41.52 0.1 undecidable manual S 233 17.7711 112 0.13 98
IV.T1220.EHZ. 2017-03-24T03:42:41.74 3.0 negative manual P -0.26 0
IV.T1219.EHZ. 2017-03-24T03:42:41.36 3.0 positive manual P -0.26 0
IV.T1245.HHZ. 2017-03-24T03:42:40.42 0.3 undecidable manual S 321 12.876 124 0.19 73
IV.RM33.EHZ. 2017-03-24T03:42:40.00 0.1 undecidable manual P 192 29.2485 99 0 98
IV.T1241.EHZ. 2017-03-24T03:42:40.58 0.1 undecidable manual S 49 15.2736 117 -0.2 96
IV.NRCA.HHZ. 2017-03-24T03:42:40.70 0.1 undecidable manual S 298 15.9729 116 -0.25 96
IV.FDMO.HHZ. 2017-03-24T03:42:40.58 3.0 positive manual P -0.19 0
IV.T1256.HHZ. 2017-03-24T03:42:39.61 0.6 positive manual P 349 27.0507 100 -0.05 49
IV.T1216.EHZ. 2017-03-24T03:42:39.34 0.1 undecidable manual P 302 25.8519 101 -0.14 96
IV.T1299.EHZ. 2017-03-24T03:42:38.02 1.0 negative manual P 182 14.7741 119 0.16 25
IV.T1212.EHZ. 2017-03-24T03:42:38.59 0.1 undecidable manual P 265 19.9689 108 -0.01 100
IV.T1218.EHZ. 2017-03-24T03:42:38.32 0.6 positive manual P 233 17.7711 112 0.04 50
IV.MC2.EHZ. 2017-03-24T03:42:38.46 3.0 negative manual P 0.18 0
IV.NRCA.HHZ. 2017-03-24T03:42:37.99 0.1 undecidable manual P 298 15.9729 116 -0.04 100
IV.T1245.HHZ. 2017-03-24T03:42:37.74 0.1 undecidable manual P 321 12.876 124 0.12 99
IV.T1214.EHZ. 2017-03-24T03:42:37.09 0.1 undecidable manual P 263 6.5934 148 0.15 100
IV.T1241.EHZ. 2017-03-24T03:42:37.91 0.6 positive manual P 49 15.2736 117 -0.02 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.5 0.000129 0.18 AML other m 2017-03-24T03:42:57.50
IV.FDMO.HHN. ML:1.7 0.0001885 0.2 AML other m 2017-03-24T03:42:57.64
IV.NRCA.HHE. ML:1.1 0.00010585 0.16 AML other m 2017-03-24T03:42:40.84
IV.NRCA.HHN. ML:1.2 0.0001235 0.98 AML other m 2017-03-24T03:42:41.20
IV.OFFI.HHN. ML:1.6 0.000142 1.38 AML other m 2017-03-24T03:42:48.95
IV.OFFI.HHE. ML:1.4 0.000088 1.22 AML other m 2017-03-24T03:42:49.89
IV.RM33.EHN. ML:1.0 0.0000447 0.4 AML other m 2017-03-24T03:42:45.26
IV.RM33.EHE. ML:1.0 0.0000472 0.26 AML other m 2017-03-24T03:42:45.22
IV.T1218.EHE. ML:1.3 0.00014000000000000001 0.1 AML other m 2017-03-24T03:42:41.74
IV.T1218.EHN. ML:1.5 0.0002465 0.12 AML other m 2017-03-24T03:42:41.79
IV.T1241.EHN. ML:1.2 0.00014049999999999997 0.46 AML other m 2017-03-24T03:42:40.97
IV.T1241.EHE. ML:1.0 0.00009165 1.14 AML other m 2017-03-24T03:42:41.21
IV.T1245.HHE. ML:1.3 0.0001905 0.22 AML other m 2017-03-24T03:42:40.61
IV.T1245.HHN. ML:1.2 0.000162 0.26 AML other m 2017-03-24T03:42:41.31
IV.T1256.HHE. ML:1.0 0.0000494 0.5 AML other m 2017-03-24T03:42:44.01
IV.T1256.HHN. ML:1.1 0.00005964999999999999 1.72 AML other m 2017-03-24T03:42:45.00
IV.T1299.EHE. ML:1.0 0.00007555000000000001 1.66 AML other m 2017-03-24T03:42:40.16
IV.T1299.EHN. ML:1.2 0.0001185 1.68 AML other m 2017-03-24T03:42:40.93
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