Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 27-03-2017 and time 19:34:21 (Italy) in region 5 km N Montereale (AQ)

A magnitude ML 1.8 earthquake occured in region: 5 km N Montereale (AQ), on

  • 27-03-2017 17:34:21 (UTC)
  • 27-03-2017 19:34:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5690, 13.2520 at 12 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 5 2581 2581
Capitignano AQ 7 665 3246
Amatrice RI 8 2657 5903
Cittareale RI 9 482 6385
Campotosto AQ 10 542 6927
Borbona RI 12 617 7544
Cagnano Amiterno AQ 12 1369 8913
Barete AQ 13 737 9650
Posta RI 14 694 10344
Accumoli RI 14 667 11011
Pizzoli AQ 15 4326 15337
Crognaleto TE 19 1297 16634

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
62 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
77 Km NE of Guidonia Montecelio (88673 inhabitants)
77 Km NE of Tivoli (56533 inhabitants)
79 Km W of Chieti (51815 inhabitants)
80 Km W of Pescara (121014 inhabitants)
92 Km SE of Perugia (166134 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
98 Km NE of Roma (2864731 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 2017-03-27
17:34:21		 42.5688 13.2517 12 2017-03-27
17:45:51		 Sala Sismica INGV-Roma 43024471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-27 17:34:21 ± 0.06
Latitude 42.5688 ± 0.0027
Longitude 13.2517 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 43024471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 316
Semi-minor axis of confidence ellipse (meter) 135
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.51891
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 22
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 43024471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-27 17:45:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LAV9.HNZ. 2017-03-27T17:34:52.24 3.0 undecidable manual S -2.35 0
IV.GUMA.HHZ. 2017-03-27T17:34:40.12 0.6 undecidable manual S 7 55.2003 92 1.19 30
IV.FDMO.HHZ. 2017-03-27T17:34:39.03 0.6 undecidable manual S 346 53.6019 92 0.54 41
IV.T1219.EHZ. 2017-03-27T17:34:39.75 0.6 undecidable manual S 340 57.5979 91 0.17 45
IV.PP3.EHZ. 2017-03-27T17:34:38.13 3.0 negative manual P -0.02 0
IV.T1256.HHZ. 2017-03-27T17:34:37.84 0.6 undecidable manual S 358 48.618 92 0.68 39
IV.MMO1.EHZ. 2017-03-27T17:34:34.08 0.6 undecidable manual S 9 37.1295 93 -0.04 48
IV.ARRO.EHZ. 2017-03-27T17:34:34.73 0.6 undecidable manual S 272 39.7269 92 -0.06 47
IV.T1216.EHZ. 2017-03-27T17:34:34.89 0.6 undecidable manual S 332 40.4262 92 -0.09 48
IV.T1241.EHZ. 2017-03-27T17:34:33.25 0.6 undecidable manual S 25 35.1426 93 -0.31 47
IV.NRCA.HHZ. 2017-03-27T17:34:32.28 0.6 undecidable manual S 339 31.4463 94 -0.3 47
IV.T1220.EHZ. 2017-03-27T17:34:32.62 3.0 undecidable manual P -0.17 0
IV.T1245.HHZ. 2017-03-27T17:34:32.77 0.6 undecidable manual S 351 32.3454 93 -0.06 49
IV.T1211.EHZ. 2017-03-27T17:34:32.78 0.6 undecidable manual S 263 32.6451 93 -0.13 47
IV.T1217.EHZ. 2017-03-27T17:34:32.20 0.6 undecidable manual S 301 30.5472 94 -0.16 47
IV.GUMA.HHZ. 2017-03-27T17:34:31.98 0.3 negative manual P 7 55.2003 92 0.32 66
IV.T1222.EHZ. 2017-03-27T17:34:31.21 0.3 undecidable manual S 223 25.5522 95 0.18 74
IV.TERO.HHZ. 2017-03-27T17:34:31.55 0.3 undecidable manual S 78 29.3484 94 -0.49 68
IV.FDMO.HHZ. 2017-03-27T17:34:31.32 1.0 negative manual P 346 53.6019 92 -0.09 23
IV.GIGS.HHZ. 2017-03-27T17:34:31.75 0.6 undecidable manual S 116 29.2485 94 -0.25 47
IV.T1219.EHZ. 2017-03-27T17:34:31.98 1.0 undecidable manual P 340 57.5979 91 -0.05 23
IV.T1212.EHZ. 2017-03-27T17:34:31.02 0.6 undecidable manual S 320 26.3514 95 -0.22 47
IV.T1256.HHZ. 2017-03-27T17:34:30.68 1.0 undecidable manual P 358 48.618 92 0.04 23
IV.T1216.EHZ. 2017-03-27T17:34:29.42 1.0 negative manual P 332 40.4262 92 0.04 24
IV.T1214.EHZ. 2017-03-27T17:34:29.79 0.6 undecidable manual S 351 21.4674 98 -0.14 49
IV.ARRO.EHZ. 2017-03-27T17:34:29.31 0.1 negative manual P 272 39.7269 92 0.04 96
IV.T1211.EHZ. 2017-03-27T17:34:28.21 0.3 positive manual P 263 32.6451 93 0.03 73
IV.T1241.EHZ. 2017-03-27T17:34:28.36 0.6 positive manual P 25 35.1426 93 -0.2 47
IV.T1218.EHZ. 2017-03-27T17:34:28.09 0.3 undecidable manual S 315 15.7731 107 -0.37 70
IV.MMO1.EHZ. 2017-03-27T17:34:28.78 0.1 positive manual P 9 37.1295 93 -0.1 96
IV.T1245.HHZ. 2017-03-27T17:34:28.13 1.0 negative manual P 351 32.3454 93 -0.01 24
IV.GIGS.HHZ. 2017-03-27T17:34:27.57 0.6 undecidable manual P 116 29.2485 94 -0.09 48
IV.CAMP.HHZ. 2017-03-27T17:34:27.72 0.3 undecidable manual S 106 13.3755 114 -0.13 74
IV.T1212.EHZ. 2017-03-27T17:34:27.12 0.6 positive manual P 320 26.3514 95 -0.1 48
IV.T1217.EHZ. 2017-03-27T17:34:27.76 1.0 undecidable manual P 301 30.5472 94 -0.1 24
IV.T1222.EHZ. 2017-03-27T17:34:27.19 0.3 positive manual P 223 25.5522 95 0.09 74
IV.NRCA.HHZ. 2017-03-27T17:34:27.95 0.1 positive manual P 339 31.4463 94 -0.05 98
IV.TERO.HHZ. 2017-03-27T17:34:27.51 0.1 positive manual P 78 29.3484 94 -0.17 96
IV.T1214.EHZ. 2017-03-27T17:34:26.48 0.6 positive manual P 351 21.4674 98 0.02 50
IV.T1299.EHZ. 2017-03-27T17:34:26.27 0.6 undecidable manual S 19 7.6812 138 -0.35 48
IV.RM33.EHZ. 2017-03-27T17:34:26.63 0.6 undecidable manual S 205 7.2927 140 0.08 51
IV.SMA1.EHZ. 2017-03-27T17:34:26.99 0.6 undecidable manual S 45 9.6792 129 -0.02 50
IV.SMA1.EHZ. 2017-03-27T17:34:25.03 0.1 negative manual P 45 9.6792 129 0.25 96
IV.CAMP.HHZ. 2017-03-27T17:34:25.43 0.3 negative manual P 106 13.3755 114 0.17 74
IV.T1218.EHZ. 2017-03-27T17:34:25.60 1.0 undecidable manual P 315 15.7731 107 -0.01 25
IV.RM33.EHZ. 2017-03-27T17:34:24.81 0.1 undecidable manual P 205 7.2927 140 0.29 98
IV.T1299.EHZ. 2017-03-27T17:34:24.65 0.1 undecidable manual P 19 7.6812 138 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:1.3 0.0000669 0.68 AML other m 2017-03-27T17:34:35.03
IV.ARRO.EHN. ML:1.3 0.00007264999999999999 0.2 AML other m 2017-03-27T17:34:36.16
IV.CAMP.HHN. ML:1.1 0.00011449999999999999 0.46 AML other m 2017-03-27T17:34:29.27
IV.CAMP.HHE. ML:1.1 0.0001215 0.88 AML other m 2017-03-27T17:34:29.35
IV.NRCA.HHE. ML:1.8 0.0002725 0.24 AML other m 2017-03-27T17:34:32.33
IV.NRCA.HHN. ML:1.8 0.000261 0.3 AML other m 2017-03-27T17:34:32.67
IV.RM33.EHN. ML:2.0 0.0013900000000000002 1.9 AML other m 2017-03-27T17:34:27.96
IV.RM33.HNN. ML:2.0 0.0014 1.88 AML other m 2017-03-27T17:34:27.01
IV.RM33.HNE. ML:2.1 0.001665 0.3 AML other m 2017-03-27T17:34:26.82
IV.RM33.EHE. ML:2.1 0.001605 0.3 AML other m 2017-03-27T17:34:26.82
IV.SMA1.EHN. ML:2.2 0.001665 0.32 AML other m 2017-03-27T17:34:27.27
IV.SMA1.EHE. ML:2.5 0.003375 0.16 AML other m 2017-03-27T17:34:27.40
IV.T1211.EHN. ML:2.0 0.00047850000000000003 0.16 AML other m 2017-03-27T17:34:33.40
IV.T1211.HNN. ML:2.1 0.000488 0.14 AML other m 2017-03-27T17:34:33.40
IV.T1211.EHE. ML:1.9 0.00033499999999999996 1 AML other m 2017-03-27T17:34:32.99
IV.T1211.HNE. ML:2.0 0.00041049999999999995 1 AML other m 2017-03-27T17:34:32.99
IV.T1217.EHE. ML:1.2 0.00006775000000000001 0.26 AML other m 2017-03-27T17:34:32.81
IV.T1217.EHN. ML:1.2 0.00007960000000000001 0.66 AML other m 2017-03-27T17:34:32.50
IV.T1218.EHN. ML:1.9 0.0007215 0.22 AML other m 2017-03-27T17:34:28.47
IV.T1218.HNE. ML:1.6 0.0003725 0.38 AML other m 2017-03-27T17:34:28.37
IV.T1218.EHE. ML:1.6 0.000348 0.38 AML other m 2017-03-27T17:34:28.38
IV.T1218.HNN. ML:1.9 0.0007190000000000001 0.36 AML other m 2017-03-27T17:34:28.46
IV.T1220.EHN. ML:1.8 0.00014110000000000001 0.56 AML other m 2017-03-27T17:34:42.53
IV.T1220.EHE. ML:1.8 0.00013800000000000002 1.58 AML other m 2017-03-27T17:34:45.07
IV.T1241.EHN. ML:1.3 0.00007645 0.82 AML other m 2017-03-27T17:34:35.44
IV.T1241.EHE. ML:1.5 0.00012084999999999998 0.42 AML other m 2017-03-27T17:34:34.41
IV.T1245.HHE. ML:1.7 0.000195 0.3 AML other m 2017-03-27T17:34:33.68
IV.T1245.HHN. ML:1.9 0.000327 1.2 AML other m 2017-03-27T17:34:33.33
IV.T1299.EHE. ML:1.5 0.00037749999999999996 0.34 AML other m 2017-03-27T17:34:26.47
IV.T1299.HNE. ML:1.5 0.00038250000000000003 0.36 AML other m 2017-03-27T17:34:26.47
IV.T1299.EHN. ML:1.5 0.00041600000000000003 0.2 AML other m 2017-03-27T17:34:26.58
IV.T1299.HNN. ML:1.5 0.0004195 0.2 AML other m 2017-03-27T17:34:26.48
IV.TERO.HHE. ML:2.1 0.0006085 0.1 AML other m 2017-03-27T17:34:31.74
IV.TERO.HHN. ML:2.1 0.0005480000000000001 0.1 AML other m 2017-03-27T17:34:31.79
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