Earthquake with magnitude of ML 1.8 on date 22-02-2017 and time 19:13:53 (Italy) in region 6 km S Arquata del Tronto (AP)

A magnitude ML 1.8 earthquake occured in region: 6 km S Arquata del Tronto (AP), on

  • 22-02-2017 18:13:53 (UTC)
  • 22-02-2017 19:13:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7220, 13.3160 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.

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 6 1178 1178
Accumoli RI 6 667 1845
Acquasanta Terme AP 9 2916 4761
Amatrice RI 10 2657 7418
Montegallo AP 14 523 7941
Valle Castellana TE 15 977 8918
Cittareale RI 17 482 9400
Rocca Santa Maria TE 18 537 9937
Campotosto AQ 19 542 10479
Cortino TE 19 656 11135
Norcia PG 20 4957 16092
Montemonaco AP 20 604 16696

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Teramo (54892 inhabitants)
42 Km N of L'Aquila (69753 inhabitants)
56 Km E of Foligno (57155 inhabitants)
58 Km E of Terni (111501 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
79 Km W of Pescara (121014 inhabitants)
81 Km NW of Chieti (51815 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
94 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 1.8 2017-02-22
18:13:53
42.7222 13.3157 13 2017-02-22
18:26:10
Sala Sismica INGV-Roma 41491631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-22 18:13:53 ± 0.12
Latitude 42.7222 ± 0.0036
Longitude 13.3157 ± 0.0049
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 41491631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 427
Semi-minor axis of confidence ellipse (meter) 233
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 234
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38761
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.8
Num. used stations 12
Type of magnitude ML
Reference to an origin 41491631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-02-22 18:26:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CTI.HHZ. 2017-02-22T18:15:41.44 3.0 undecidable manual Sg 11.33 0
IV.ORI.HHZ. 2017-02-22T18:15:39.06 3.0 undecidable manual Sg 7.82 0
IV.SALO.HHZ. 2017-02-22T18:15:34.94 3.0 undecidable manual Sn 5.13 0
IV.TREG.HNZ. 2017-02-22T18:15:34.27 3.0 undecidable manual Sg 12.31 0
IV.NDIM.HHZ. 2017-02-22T18:15:11.73 3.0 undecidable manual Sn 0.02 0
IV.ERC.EHZ. 2017-02-22T18:15:09.36 3.0 undecidable manual Pn 5.19 0
CR.BRJN.HHZ. 2017-02-22T18:14:54.06 3.0 undecidable manual Sn -3.78 0
IV.ZONE.HHZ. 2017-02-22T18:14:53.69 3.0 positive manual Pn 2.01 0
IV.PTRJ.HNZ. 2017-02-22T18:14:45.01 3.0 undecidable manual Sg 1 0
CR.STON.BHZ. 2017-02-22T18:14:42.92 3.0 undecidable manual Pn -1.1 0
BA.PZUN.HHZ. 2017-02-22T18:14:38.16 3.0 negative manual Pn 0.22 0
IV.APEC.HHZ. 2017-02-22T18:14:28.30 3.0 undecidable manual S -1.36 0
IV.VITU.HHZ. 2017-02-22T18:14:28.40 3.0 undecidable manual Pg 3.75 0
TV.SF04.EHZ. 2017-02-22T18:14:18.86 3.0 negative manual P 2.76 0
IV.LRP.HHZ. 2017-02-22T18:14:14.07 3.0 undecidable manual P -0.48 0
IV.T1211.EHZ. 2017-02-22T18:14:07.80 0.1 undecidable manual S 241 43.0236 94 0.14 92
IV.GIGS.HHZ. 2017-02-22T18:14:05.68 0.1 undecidable manual S 145 36.5412 95 -0.23 92
IV.TERO.HHZ. 2017-02-22T18:14:03.11 0.1 undecidable manual S 115 25.9518 98 -0.01 98
IV.RM33.EHZ. 2017-02-22T18:14:03.21 0.1 undecidable manual S 199 25.0527 99 0.34 92
IV.NRCA.HHZ. 2017-02-22T18:14:01.52 0.1 undecidable manual S 307 20.5683 104 -0.16 98
IV.T1212.EHZ. 2017-02-22T18:14:01.99 0.1 undecidable manual S 278 22.3554 101 -0.16 97
IV.T1211.EHZ. 2017-02-22T18:14:01.72 0.1 undecidable manual P 241 43.0236 94 -0.03 96
IV.T1241.EHZ. 2017-02-22T18:14:01.23 0.1 undecidable manual S 32 17.5713 109 0.29 95
IV.T1222.EHZ. 2017-02-22T18:14:01.48 3.0 positive manual P -0.38 0
IV.T1218.EHZ. 2017-02-22T18:14:00.85 0.1 undecidable manual S 251 17.3715 109 -0.02 100
IV.GIGS.HHZ. 2017-02-22T18:14:00.89 1.0 negative manual P 145 36.5412 95 0.15 24
IV.T1214.EHZ. 2017-02-22T18:13:59.35 0.1 undecidable manual S 295 9.6792 133 0.25 96
IV.LNSS.HHZ. 2017-02-22T18:13:59.17 0.1 positive manual P 240 26.0517 98 0.03 98
IV.MC2.EHZ. 2017-02-22T18:13:59.06 0.6 undecidable manual P 334 23.3544 100 0.33 46
IV.SMA1.EHZ. 2017-02-22T18:13:59.01 0.1 undecidable manual S 171 10.2786 130 -0.22 96
IV.TERO.HHZ. 2017-02-22T18:13:59.16 0.1 negative manual P 115 25.9518 98 0.02 99
IV.RM33.EHZ. 2017-02-22T18:13:59.03 0.6 positive manual P 199 25.0527 99 0.04 49
IV.T1241.EHZ. 2017-02-22T18:13:58.09 0.6 positive manual P 32 17.5713 109 0.22 48
IV.NRCA.HHZ. 2017-02-22T18:13:58.13 0.1 undecidable manual P 307 20.5683 104 -0.17 97
IV.T1212.EHZ. 2017-02-22T18:13:58.58 1.0 positive manual P 278 22.3554 101 0 25
IV.SMA1.EHZ. 2017-02-22T18:13:57.13 0.1 negative manual P 171 10.2786 130 0.24 97
IV.T1218.EHZ. 2017-02-22T18:13:57.89 0.3 positive manual P 251 17.3715 109 0.06 74
IV.T1214.EHZ. 2017-02-22T18:13:55.92 0.1 undecidable manual P 295 9.6792 133 -0.89 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:1.4 0.0001225 0.12 AML other m 2017-02-22T18:14:04.47
IV.LNSS.HHE. ML:1.4 0.00013350000000000002 1.06 AML other m 2017-02-22T18:14:05.69
IV.NDIM.HHN. ML:4.0 0.001335 0.9 AML other m 2017-02-22T18:15:12.93
IV.NDIM.HNN. ML:3.9 0.0010045 0.9 AML other m 2017-02-22T18:15:12.93
IV.NDIM.HNE. ML:4.2 0.00177 0.08 AML other m 2017-02-22T18:15:39.86
IV.NDIM.HHE. ML:4.1 0.00159 0.08 AML other m 2017-02-22T18:15:39.86
IV.NRCA.HHE. ML:1.4 0.0001615 0.18 AML other m 2017-02-22T18:14:01.60
IV.NRCA.HHN. ML:1.5 0.000213 0.14 AML other m 2017-02-22T18:14:01.62
IV.PTRJ.HHN. ML:2.5 0.000125 0.8 AML other m 2017-02-22T18:14:24.46
IV.PTRJ.HHE. ML:2.3 0.000081 1.1 AML other m 2017-02-22T18:14:58.21
BA.PZUN.HNE. ML:3.2 0.0001658 0.46 AML other m 2017-02-22T18:15:17.81
BA.PZUN.HHN. ML:3.2 0.000172 1.04 AML other m 2017-02-22T18:15:18.86
BA.PZUN.HHE. ML:3.0 0.00010295 1.38 AML other m 2017-02-22T18:15:16.10
BA.PZUN.HNN. ML:3.3 0.000231 1.44 AML other m 2017-02-22T18:15:17.89
IV.RM33.EHE. ML:1.0 0.00006115000000000001 0.64 AML other m 2017-02-22T18:14:03.21
IV.RM33.EHN. ML:1.0 0.00005575 0.82 AML other m 2017-02-22T18:14:03.16
TV.SF04.EHN. ML:1.8 0.00003945 0.68 AML other m 2017-02-22T18:14:50.11
TV.SF04.EHE. ML:1.8 0.0000349 0.82 AML other m 2017-02-22T18:14:26.31
IV.SMA1.EHE. ML:1.7 0.0005935000000000001 0.24 AML other m 2017-02-22T18:13:59.39
IV.SMA1.EHN. ML:1.8 0.0006630000000000001 0.1 AML other m 2017-02-22T18:13:59.56
IV.T1218.EHN. ML:1.4 0.00017749999999999998 0.16 AML other m 2017-02-22T18:14:00.99
IV.T1218.EHE. ML:1.2 0.0001246 1.52 AML other m 2017-02-22T18:14:01.05
IV.T1241.EHN. ML:1.2 0.0001291 0.64 AML other m 2017-02-22T18:14:01.40
IV.T1241.EHE. ML:1.2 0.000112 0.94 AML other m 2017-02-22T18:14:01.23
IV.TERO.HHN. ML:1.1 0.00006305 0.38 AML other m 2017-02-22T18:14:04.24
IV.TERO.HHE. ML:1.2 0.00009665 0.08 AML other m 2017-02-22T18:14:03.15
IV.ZONE.HHE. ML:3.0 0.000053599999999999995 0.9 AML other m 2017-02-22T18:14:57.55
IV.ZONE.HHN. ML:3.3 0.0000963 1.1 AML other m 2017-02-22T18:14:56.90
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