Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 11-12-2017 and time 02:01:12 (Italy) in region 4 km SW Arquata del Tronto (AP)

A magnitude ML 2.2 earthquake occured in region: 4 km SW Arquata del Tronto (AP), on

  • 11-12-2017 01:01:12 (UTC)
  • 11-12-2017 02:01:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7500, 13.2590 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Arquata del Tronto AP 4 1178 1178
Accumoli RI 6 667 1845
Montegallo AP 12 523 2368
Acquasanta Terme AP 13 2916 5284
Amatrice RI 14 2657 7941
Norcia PG 14 4957 12898
Cittareale RI 17 482 13380
Montemonaco AP 18 604 13984
Castelsantangelo sul Nera MC 18 281 14265
Valle Castellana TE 20 977 15242

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of Teramo (54892 inhabitants)
46 Km N of L'Aquila (69753 inhabitants)
51 Km E of Foligno (57155 inhabitants)
54 Km E of Terni (111501 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
81 Km E of Perugia (166134 inhabitants)
84 Km W of Pescara (121014 inhabitants)
87 Km NW of Chieti (51815 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
99 Km S of Ancona (100861 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
Bulletin
Rev1000 		ML 2.2 2017-12-11
01:01:12		 42.7495 13.2587 11 2018-09-04
09:10:41		 Bollettino Sismico Italiano INGV 54106011
Reviewed
Rev100 		ML 2.1 2017-12-11
01:01:12		 42.7512 13.2472 10 2017-12-11
01:09:01		 Sala Sismica INGV-Roma 52504591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-11 01:01:12 ± 0.04
Latitude 42.7495 ± 0.0027
Longitude 13.2587 ± 0.0061
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 54106011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 520
Semi-minor axis of confidence ellipse (meter) 250
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
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) 40
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 53
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) 0.87864
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 54106011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-07-27 09:25:27

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 38
Type of magnitude ML
Reference to an origin 52504591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-11 01:09:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2017-12-11T01:01:33.85 0.3 undecidable manual S 356 69.6747 90 0.36 65
IV.SNTG.HNZ. 2017-12-11T01:01:31.74 0.3 undecidable manual S 335 61.6938 90 0.37 65
IV.CESX.HHZ. 2017-12-11T01:01:30.23 0.3 undecidable manual S 254 56.9985 90 0.12 67
IV.MOMA.HNZ. 2017-12-11T01:01:30.20 0.3 undecidable manual S 276 56.3991 90 0.25 66
IV.INTR.HHZ. 2017-12-11T01:01:28.44 0.3 undecidable manual P 147 97.5246 90 -0.45 59
IV.ARVD.HHZ. 2017-12-11T01:01:27.15 0.3 undecidable manual P 343 86.9463 90 -0.1 64
IV.PF6.EHZ. 2017-12-11T01:01:26.50 0.3 undecidable manual S 353 43.4232 90 0.02 70
IV.ARRO.EHZ. 2017-12-11T01:01:26.99 0.3 undecidable manual S 245 44.4222 90 0.23 67
IV.CSP1.EHZ. 2017-12-11T01:01:25.07 0.3 undecidable manual S 353 38.2284 90 -0.03 70
IV.CESI.HHZ. 2017-12-11T01:01:25.31 0.3 undecidable manual S 315 40.4262 90 -0.37 66
IV.FDMO.HHZ. 2017-12-11T01:01:24.11 0.3 undecidable manual S 336 34.743 90 -0.06 70
IV.GUMA.HHZ. 2017-12-11T01:01:24.88 0.6 undecidable manual S 10 35.3424 90 0.56 44
IV.T1221.EHZ. 2017-12-11T01:01:24.47 0.3 undecidable manual S 290 35.742 90 0.05 72
IV.CING.HHZ. 2017-12-11T01:01:24.43 0.3 undecidable manual P 356 69.6747 90 -0.17 65
IV.SNTG.HNZ. 2017-12-11T01:01:23.08 0.3 undecidable manual P 335 61.6938 90 -0.29 64
IV.TRTR.HHZ. 2017-12-11T01:01:23.21 0.1 undecidable manual P 83 53.7018 90 1.07 67
IV.FAGN.HHZ. 2017-12-11T01:01:23.11 0.3 undecidable manual P 154 59.8956 90 0.02 69
OB.GAVE.EHZ. 2017-12-11T01:01:23.32 3.0 undecidable manual S 0.29 0
IV.ASSB.HHZ. 2017-12-11T01:01:23.49 3.0 undecidable manual P 0.36 0
IV.MF5.EHZ. 2017-12-11T01:01:23.49 0.6 undecidable manual S 32 31.0467 90 0.3 47
IV.FEMA.HNZ. 2017-12-11T01:01:22.45 0.3 undecidable manual S 324 29.0487 90 -0.2 69
IV.RM33.EHZ. 2017-12-11T01:01:22.17 0.1 undecidable manual S 188 26.9508 90 0.09 95
IV.CESX.HHZ. 2017-12-11T01:01:22.33 0.3 undecidable manual P 254 56.9985 90 -0.31 66
IV.TERO.HHZ. 2017-12-11T01:01:22.90 0.3 undecidable manual S 116 31.4463 90 -0.4 67
IV.MOMA.HNZ. 2017-12-11T01:01:22.53 0.3 undecidable manual P 276 56.3991 90 -0.02 70
IV.LNSS.HHZ. 2017-12-11T01:01:21.40 0.1 undecidable manual S 228 24.1536 90 0.06 96
IV.CAMP.HHZ. 2017-12-11T01:01:21.74 0.3 undecidable manual S 153 26.6511 90 -0.28 71
IV.MNTP.HNZ. 2017-12-11T01:01:21.35 0.3 undecidable manual P 22 46.3203 90 0.36 67
IV.ARRO.EHZ. 2017-12-11T01:01:20.55 0.3 undecidable manual P 245 44.4222 90 -0.16 70
IV.MC2.EHZ. 2017-12-11T01:01:20.14 0.3 undecidable manual S 342 18.87 90 0.22 73
MN.AQU.HHZ. 2017-12-11T01:01:20.65 0.3 undecidable manual P 165 45.5211 90 -0.22 69
IV.PF6.EHZ. 2017-12-11T01:01:20.28 0.1 undecidable manual P 353 43.4232 90 -0.26 89
IV.OFFI.HHZ. 2017-12-11T01:01:20.79 0.1 undecidable manual P 59 40.3263 90 0.71 81
IV.MMO1.EHZ. 2017-12-11T01:01:19.48 0.1 undecidable manual S 18 17.4714 90 -0.09 96
IV.GUMA.HHZ. 2017-12-11T01:01:19.49 0.1 undecidable manual P 10 35.3424 90 0.19 94
IV.T1221.EHZ. 2017-12-11T01:01:19.27 0.1 undecidable manual P 290 35.742 90 -0.09 95
IV.CSP1.EHZ. 2017-12-11T01:01:19.57 0.3 undecidable manual P 353 38.2284 90 -0.18 69
IV.CESI.HHZ. 2017-12-11T01:01:19.96 0.1 negative manual P 315 40.4262 90 -0.12 93
IV.FDMO.HHZ. 2017-12-11T01:01:18.96 0.1 undecidable manual P 336 34.743 90 -0.25 91
IV.MF5.EHZ. 2017-12-11T01:01:18.94 0.3 undecidable manual P 32 31.0467 90 0.29 70
IV.NRCA.HNZ. 2017-12-11T01:01:18.69 0.1 undecidable manual S 308 14.9739 90 -0.21 95
IV.TERO.HHZ. 2017-12-11T01:01:18.43 0.1 undecidable manual P 116 31.4463 90 -0.28 92
IV.FEMA.HNZ. 2017-12-11T01:01:18.45 0.6 undecidable manual P 324 29.0487 90 0.11 48
IV.SMA1.EHZ. 2017-12-11T01:01:18.47 0.3 undecidable manual S 155 14.5743 90 -0.32 72
OB.GAVE.EHZ. 2017-12-11T01:01:18.47 3.0 undecidable manual P -0.13 0
IV.T1299.HNZ. 2017-12-11T01:01:18.76 0.1 undecidable manual S 171 12.9759 100 0.41 91
IV.CAMP.HHZ. 2017-12-11T01:01:17.83 0.3 undecidable manual P 153 26.6511 90 -0.14 72
IV.MTRA.HNZ. 2017-12-11T01:01:17.89 0.1 undecidable manual S 86 11.2776 112 -0.03 99
IV.RM33.EHZ. 2017-12-11T01:01:17.97 0.1 undecidable manual P 188 26.9508 90 -0.04 98
IV.LNSS.HHZ. 2017-12-11T01:01:17.58 0.1 undecidable manual P 228 24.1536 90 0 98
IV.T1299.HNZ. 2017-12-11T01:01:16.17 0.1 positive manual P 171 12.9759 100 0.32 93
IV.MMO1.EHZ. 2017-12-11T01:01:16.52 0.1 undecidable manual P 18 17.4714 90 -0.04 98
IV.NRCA.HNZ. 2017-12-11T01:01:16.19 0.1 negative manual P 308 14.9739 90 0.02 100
IV.MC2.EHZ. 2017-12-11T01:01:16.80 0.1 undecidable manual P 342 18.87 90 0.04 99
IV.SMA1.EHZ. 2017-12-11T01:01:16.22 0.1 undecidable manual P 155 14.5743 90 0.11 97
IV.MTRA.HNZ. 2017-12-11T01:01:15.68 0.1 undecidable manual P 86 11.2776 112 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNE. ML:2.7 0.005545 0.4 AML other m 2017-12-11T01:01:18.20
IV.MTRA.EHE. ML:2.7 0.00552 0.42 AML other m 2017-12-11T01:01:18.21
IV.MTRA.HNN. ML:2.6 0.004715 0.42 AML other m 2017-12-11T01:01:18.49
IV.MTRA.EHN. ML:2.6 0.00461 0.4 AML other m 2017-12-11T01:01:18.49
IV.T1299.EHE. ML:2.0 0.0011330000000000001 1.62 AML other m 2017-12-11T01:01:18.84
IV.T1299.HNE. ML:2.0 0.001165 1.64 AML other m 2017-12-11T01:01:18.84
IV.NRCA.HNN. ML:2.7 0.005154999999999999 0.6 AML other m 2017-12-11T01:01:18.87
IV.T1299.HNN. ML:2.1 0.0012864999999999999 0.1 AML other m 2017-12-11T01:01:18.87
IV.NRCA.HHN. ML:2.7 0.005314999999999999 0.6 AML other m 2017-12-11T01:01:18.87
IV.T1299.EHN. ML:2.1 0.0012025 0.08 AML other m 2017-12-11T01:01:18.87
IV.SMA1.EHN. ML:2.0 0.000867 0.6 AML other m 2017-12-11T01:01:19.45
IV.NRCA.HHE. ML:2.8 0.005745 0.14 AML other m 2017-12-11T01:01:19.29
IV.NRCA.HNE. ML:2.8 0.005560000000000001 0.14 AML other m 2017-12-11T01:01:19.29
IV.SMA1.EHE. ML:1.9 0.000782 0.92 AML other m 2017-12-11T01:01:19.13
IV.RM33.EHN. ML:2.5 0.0016099999999999999 0.3 AML other m 2017-12-11T01:01:22.55
IV.RM33.HNN. ML:2.5 0.001685 0.3 AML other m 2017-12-11T01:01:22.55
IV.RM33.HNE. ML:2.4 0.001465 1.04 AML other m 2017-12-11T01:01:23.07
IV.RM33.EHE. ML:2.4 0.0014249999999999998 1.04 AML other m 2017-12-11T01:01:23.07
IV.TERO.HNN. ML:2.0 0.00049 0.56 AML other m 2017-12-11T01:01:23.50
IV.TERO.HNE. ML:1.8 0.000316 0.56 AML other m 2017-12-11T01:01:23.57
IV.TERO.HHE. ML:2.2 0.0006730000000000001 0.46 AML other m 2017-12-11T01:01:23.67
IV.TERO.HHN. ML:2.3 0.000877 0.44 AML other m 2017-12-11T01:01:23.50
OB.GAVE.EHN. ML:2.1 0.0006129999999999999 1.2 AML other m 2017-12-11T01:01:24.63
IV.FDMO.HHN. ML:1.9 0.000333 0.34 AML other m 2017-12-11T01:01:24.57
OB.GAVE.EHE. ML:2.3 0.000851 0.22 AML other m 2017-12-11T01:01:24.60
IV.MF5.EHE. ML:2.5 0.0014700000000000002 0.6 AML other m 2017-12-11T01:01:24.91
IV.MF5.EHN. ML:2.3 0.0008774999999999999 0.36 AML other m 2017-12-11T01:01:24.90
IV.FDMO.HHE. ML:1.7 0.000222 1.36 AML other m 2017-12-11T01:01:25.02
IV.GUMA.HHE. ML:2.9 0.003 0.24 AML other m 2017-12-11T01:01:25.46
IV.GUMA.HNN. ML:2.9 0.0034850000000000003 0.26 AML other m 2017-12-11T01:01:25.35
IV.GUMA.HHN. ML:2.9 0.00319 0.26 AML other m 2017-12-11T01:01:25.49
IV.CESI.HHN. ML:2.3 0.0007030000000000001 1.04 AML other m 2017-12-11T01:01:26.61
IV.CESI.HHE. ML:2.1 0.000437 0.54 AML other m 2017-12-11T01:01:26.22
IV.CSP1.EHE. ML:1.9 0.00026450000000000003 0.18 AML other m 2017-12-11T01:01:26.50
IV.GUMA.HNE. ML:2.7 0.0018700000000000001 0.32 AML other m 2017-12-11T01:01:26.88
IV.CSP1.EHN. ML:1.5 0.00011599999999999999 0.68 AML other m 2017-12-11T01:01:26.44
IV.ARRO.EHN. ML:1.9 0.0002205 0.48 AML other m 2017-12-11T01:01:27.64
IV.OFFI.HHE. ML:2.4 0.0009644999999999999 0.48 AML other m 2017-12-11T01:01:28.44
IV.OFFI.HHN. ML:2.4 0.0008990000000000001 0.7 AML other m 2017-12-11T01:01:28.86
IV.ARRO.EHE. ML:2.0 0.0002735 0.18 AML other m 2017-12-11T01:01:29.39
MN.AQU.HHE. ML:1.7 0.0001395 1.22 AML other m 2017-12-11T01:01:30.38
MN.AQU.HLE. ML:1.8 0.00018099999999999998 1.2 AML other m 2017-12-11T01:01:30.39
MN.AQU.HHN. ML:1.8 0.0001715 0.64 AML other m 2017-12-11T01:01:30.93
IV.ASSB.HHN. ML:1.9 0.0001705 0.36 AML other m 2017-12-11T01:01:31.25
IV.ASSB.HHE. ML:2.0 0.0001915 0.32 AML other m 2017-12-11T01:01:32.40
IV.FAGN.HHN. ML:1.9 0.00018099999999999998 0.46 AML other m 2017-12-11T01:01:34.94
IV.CING.HHE. ML:2.2 0.00024249999999999999 0.48 AML other m 2017-12-11T01:01:35.18
IV.FAGN.HHE. ML:2.0 0.000216 0.28 AML other m 2017-12-11T01:01:35.44
IV.CING.HHN. ML:2.0 0.000156 0.98 AML other m 2017-12-11T01:01:36.28
MN.AQU.HLN. ML:1.9 0.0002145 0.72 AML other m 2017-12-11T01:01:37.65
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
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