Earthquake with magnitude of ML 1.2 on date 22-03-2017 and time 11:31:12 (Italy) in region 7 km SW Ascoli Piceno (AP)

A magnitude ML 1.2 earthquake occured in region: 7 km SW Ascoli Piceno (AP), on

  • 22-03-2017 10:31:12 (UTC)
  • 22-03-2017 11:31:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8030, 13.5210 at 19 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
Ascoli Piceno AP 7 49407 49407
Roccafluvione AP 8 2010 51417
Valle Castellana TE 8 977 52394
Venarotta AP 9 2066 54460
Folignano AP 9 9241 63701
Acquasanta Terme AP 10 2916 66617
Palmiano AP 12 196 66813
Civitella del Tronto TE 12 5116 71929
Rocca Santa Maria TE 13 537 72466
Maltignano AP 14 2401 74867
Montegallo AP 16 523 75390
Campli TE 16 7209 82599
Appignano del Tronto AP 16 1785 84384
Sant'Egidio alla Vibrata TE 16 9811 94195
Castignano AP 17 2796 96991
Rotella AP 17 906 97897
Castel di Lama AP 17 8634 106531
Force AP 18 1354 107885
Ancarano TE 18 1857 109742
Arquata del Tronto AP 19 1178 110920
Montemonaco AP 19 604 111524
Comunanza AP 19 3166 114690
Montedinove AP 20 488 115178
Torricella Sicura TE 20 2641 117819
Castorano AP 20 2380 120199

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NW of Teramo (54892 inhabitants)
51 Km N of L'Aquila (69753 inhabitants)
61 Km NW of Montesilvano (53738 inhabitants)
68 Km NW of Pescara (121014 inhabitants)
69 Km E of Foligno (57155 inhabitants)
73 Km NW of Chieti (51815 inhabitants)
76 Km E of Terni (111501 inhabitants)
91 Km S of Ancona (100861 inhabitants)
98 Km E 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 1.2 2017-03-22
10:31:12
42.8032 13.5212 19 2017-03-22
10:46:51
Sala Sismica INGV-Roma 42779491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-22 10:31:12 ± 0.08
Latitude 42.8032 ± 0.0036
Longitude 13.5212 ± 0.0049
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 42779491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 394
Semi-minor axis of confidence ellipse (meter) 268
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 212
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45416
Number of stations at which the event was observed 13
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 6
Type of magnitude ML
Reference to an origin 42779491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-22 10:46:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESX.HHZ. 2017-03-22T10:31:29.16 3.0 undecidable manual P 2.54 0
IV.T1219.EHZ. 2017-03-22T10:31:29.20 0.6 undecidable manual S 304 50.4162 102 0.34 44
IV.FDMO.HHZ. 2017-03-22T10:31:27.19 0.6 undecidable manual S 306 43.7229 105 0.08 47
IV.RM33.EHZ. 2017-03-22T10:31:26.40 0.6 undecidable manual S 218 41.1255 106 -0.05 48
IV.GIGS.HHZ. 2017-03-22T10:31:25.87 0.6 undecidable manual S 174 39.0276 107 -0.05 48
IV.T1212.EHZ. 2017-03-22T10:31:25.84 0.6 undecidable manual S 262 39.2274 107 -0.12 47
IV.T1245.HHZ. 2017-03-22T10:31:23.00 0.6 undecidable manual S 282 27.75 116 -0.09 48
IV.MC2.EHZ. 2017-03-22T10:31:23.69 0.6 undecidable manual S 294 29.5482 114 0.16 47
IV.T1214.EHZ. 2017-03-22T10:31:22.76 0.6 undecidable manual S 259 25.8519 118 0.11 48
IV.T1299.EHZ. 2017-03-22T10:31:22.82 0.6 undecidable manual S 226 27.0507 116 -0.1 48
IV.TERO.HHZ. 2017-03-22T10:31:21.74 0.6 undecidable manual S 161 21.1677 124 0.18 47
IV.T1219.EHZ. 2017-03-22T10:31:21.86 1.0 undecidable manual P 304 50.4162 102 -0.17 23
IV.MMO1.EHZ. 2017-03-22T10:31:20.94 0.6 undecidable manual S 304 19.0698 128 -0.17 48
IV.T1212.EHZ. 2017-03-22T10:31:20.21 0.1 undecidable manual P 262 39.2274 107 -0.14 93
IV.RM33.EHZ. 2017-03-22T10:31:20.54 0.1 positive manual P 218 41.1255 106 -0.1 94
IV.FDMO.HHZ. 2017-03-22T10:31:20.92 1.0 positive manual P 306 43.7229 105 -0.1 23
IV.GIGS.HHZ. 2017-03-22T10:31:20.18 0.6 undecidable manual P 174 39.0276 107 -0.15 46
IV.MC2.EHZ. 2017-03-22T10:31:19.01 0.1 negative manual P 294 29.5482 114 0.06 97
IV.T1241.EHZ. 2017-03-22T10:31:19.25 0.6 undecidable manual S 309 9.3795 150 -0.14 50
IV.T1299.EHZ. 2017-03-22T10:31:18.64 0.1 undecidable manual P 226 27.0507 116 0.04 97
IV.T1245.HHZ. 2017-03-22T10:31:18.66 0.1 undecidable manual P 282 27.75 116 -0.04 97
IV.T1214.EHZ. 2017-03-22T10:31:18.49 0.1 negative manual P 259 25.8519 118 0.04 97
IV.MMO1.EHZ. 2017-03-22T10:31:17.53 0.1 undecidable manual P 304 19.0698 128 -0.03 99
IV.TERO.HHZ. 2017-03-22T10:31:17.94 0.1 undecidable manual P 161 21.1677 124 0.13 97
IV.T1241.EHZ. 2017-03-22T10:31:16.61 0.1 negative manual P 309 9.3795 150 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.8 0.000018849999999999997 0.2 AML other m 2017-03-22T10:31:27.26
IV.FDMO.HHN. ML:1.1 0.000034450000000000004 0.42 AML other m 2017-03-22T10:31:27.58
IV.RM33.EHN. ML:1.1 0.0000409 0.24 AML other m 2017-03-22T10:31:26.77
IV.RM33.EHE. ML:1.4 0.0000699 0.18 AML other m 2017-03-22T10:31:26.83
IV.T1241.EHE. ML:1.1 0.00010669999999999999 0.24 AML other m 2017-03-22T10:31:19.35
IV.T1241.EHN. ML:0.8 0.0000465 1.14 AML other m 2017-03-22T10:31:19.12
IV.T1245.HHE. ML:1.2 0.00006459999999999998 0.26 AML other m 2017-03-22T10:31:23.29
IV.T1245.HHN. ML:1.2 0.0000738 0.96 AML other m 2017-03-22T10:31:23.17
IV.T1299.EHE. ML:1.0 0.00004965 1.28 AML other m 2017-03-22T10:31:23.31
IV.T1299.EHN. ML:1.2 0.00007055000000000001 1.48 AML other m 2017-03-22T10:31:22.22
IV.TERO.HHE. ML:1.6 0.000199 0.28 AML other m 2017-03-22T10:31:21.82
IV.TERO.HHN. ML:1.6 0.0001995 1.94 AML other m 2017-03-22T10:31:22.99
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download