Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 12-03-2019 and time 09:31:23 (Italy) in region 4 km W Arquata del Tronto (AP)

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

  • 12-03-2019 08:31:23 (UTC)
  • 12-03-2019 09:31:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7700, 13.2450 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 8 667 1845
Montegallo AP 11 523 2368
Norcia PG 13 4957 7325
Acquasanta Terme AP 14 2916 10241
Castelsantangelo sul Nera MC 16 281 10522
Amatrice RI 16 2657 13179
Montemonaco AP 16 604 13783
Cittareale RI 18 482 14265
Cascia PG 20 3217 17482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Teramo (54892 inhabitants)
48 Km N of L'Aquila (69753 inhabitants)
49 Km E of Foligno (57155 inhabitants)
54 Km E of Terni (111501 inhabitants)
79 Km E of Perugia (166134 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
86 Km W of Pescara (121014 inhabitants)
89 Km NW of Chieti (51815 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km NE of Tivoli (56533 inhabitants)
97 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 2019-03-12
08:31:23		 42.7697 13.2452 11 2019-08-22
08:24:57		 Bollettino Sismico Italiano INGV 67810901
Reviewed
Rev100 		ML 2.3 2019-03-12
08:31:23		 42.7662 13.2427 10 2019-03-12
08:40:46		 Sala Sismica INGV-Roma 66450911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-03-12 08:31:23 ± 0.04
Latitude 42.7697 ± 0.0018
Longitude 13.2452 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67810901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 329
Semi-minor axis of confidence ellipse (meter) 125
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 77
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 34
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.11152
Epicentral distance of station farthest from the epicenter (degree) 0.60704
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 47
Type of magnitude ML
Reference to an origin 67810901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-27 17:15:49

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 41
Type of magnitude ML
Reference to an origin 66450911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-03-12 08:40:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2019-03-12T08:31:41.50 0.6 undecidable manual S 191 56.5989 50 0.34 43
IV.OFFI.HHZ. 2019-03-12T08:31:38.60 1.0 undecidable manual S 63 40.2264 50 1.81 11
IV.CESI.HHZ. 2019-03-12T08:31:36.20 0.3 undecidable manual S 313 38.0286 50 0 72
IV.CSP1.EHZ. 2019-03-12T08:31:35.40 0.3 undecidable manual S 355 35.9418 50 -0.22 69
IV.ATCC.EHZ. 2019-03-12T08:31:35.38 0.6 undecidable manual P 313 67.377 50 0.03 45
IV.GUMA.HHZ. 2019-03-12T08:31:35.50 0.3 undecidable manual S 13 33.3444 50 0.56 64
IV.EL6.EHZ. 2019-03-12T08:31:34.64 0.1 undecidable manual P 349 63.1923 50 -0.07 91
IV.MF5.EHZ. 2019-03-12T08:31:34.50 0.3 undecidable manual S 36 29.8479 50 0.49 66
IV.TERO.HHZ. 2019-03-12T08:31:34.70 0.3 undecidable manual S 119 33.4443 50 -0.28 69
IV.GAVE.EHZ. 2019-03-12T08:31:34.00 0.3 undecidable manual S 253 29.8479 50 -0.01 73
IV.FDMO.HHZ. 2019-03-12T08:31:34.40 0.3 undecidable manual S 337 32.2455 50 -0.25 69
IV.MOMA.HHZ. 2019-03-12T08:31:33.73 0.3 undecidable manual P 274 55.1004 50 0.27 66
IV.RM33.EHZ. 2019-03-12T08:31:33.80 0.3 undecidable manual S 185 29.0487 50 0.01 73
IV.FIAM.HHZ. 2019-03-12T08:31:33.48 0.3 undecidable manual P 191 56.5989 50 -0.22 67
IV.FEMA.HNE. 2019-03-12T08:31:33.00 0.3 undecidable manual S 323 26.6511 50 -0.15 71
IV.SNTG.HHZ. 2019-03-12T08:31:33.95 0.3 undecidable manual P 335 59.1963 50 -0.15 67
IV.CAMP.HHZ. 2019-03-12T08:31:33.40 0.3 undecidable manual S 153 29.1486 50 -0.44 67
IV.ASSB.HHZ. 2019-03-12T08:31:33.70 0.3 undecidable manual P 303 56.499 50 0.03 69
IV.SEF1.HNN. 2019-03-12T08:31:32.33 0.3 undecidable manual P 330 48.3183 50 -0.09 70
IV.LNSS.HHZ. 2019-03-12T08:31:32.80 0.3 undecidable manual S 222 24.9528 50 0.1 72
IV.MDAR.HNN. 2019-03-12T08:31:32.18 0.3 undecidable manual P 350 47.619 50 -0.14 69
IV.MML1.HNE. 2019-03-12T08:31:31.69 0.3 undecidable manual P 330 44.1225 50 -0.09 70
IV.OFFI.HHZ. 2019-03-12T08:31:31.84 0.3 undecidable manual P 63 40.2264 50 0.66 61
IV.GUMA.HHZ. 2019-03-12T08:31:30.26 0.1 undecidable manual P 13 33.3444 50 0.15 94
IV.PF6.EHN. 2019-03-12T08:31:30.99 0.3 undecidable manual P 354 41.0256 50 -0.31 67
IV.CESI.HHZ. 2019-03-12T08:31:30.80 0.1 undecidable manual P 313 38.0286 50 -0.03 95
IV.T1299.HNN. 2019-03-12T08:31:30.30 0.3 undecidable manual S 169 15.3735 125 0.3 70
IV.MC2.EHZ. 2019-03-12T08:31:30.40 0.3 undecidable manual S 344 16.3725 123 0.1 73
IV.SMA1.EHZ. 2019-03-12T08:31:30.30 0.3 undecidable manual S 155 17.0718 122 -0.21 72
IV.CSP1.EHZ. 2019-03-12T08:31:30.34 0.1 positive manual P 355 35.9418 50 -0.16 93
IV.TERO.HHZ. 2019-03-12T08:31:29.87 0.1 undecidable manual P 119 33.4443 50 -0.26 92
IV.GAVE.EHZ. 2019-03-12T08:31:29.72 0.3 undecidable manual P 253 29.8479 50 0.15 71
IV.MMO1.EHZ. 2019-03-12T08:31:29.80 0.3 undecidable manual S 25 15.873 124 -0.34 70
IV.FDMO.HHZ. 2019-03-12T08:31:29.76 0.1 positive manual P 337 32.2455 50 -0.18 94
IV.RM33.EHZ. 2019-03-12T08:31:29.46 0.1 positive manual P 185 29.0487 50 0.01 97
IV.NRCA.HNZ. 2019-03-12T08:31:29.20 0.3 undecidable manual S 304 12.7761 130 -0.1 74
IV.FEMA.HNE. 2019-03-12T08:31:29.04 0.3 undecidable manual P 323 26.6511 50 -0.03 73
IV.MF5.EHZ. 2019-03-12T08:31:29.75 0.1 positive manual P 36 29.8479 50 0.18 94
IV.CAMP.HHZ. 2019-03-12T08:31:29.32 0.1 positive manual P 153 29.1486 50 -0.15 95
IV.LNSS.HHZ. 2019-03-12T08:31:28.86 0.3 undecidable manual P 222 24.9528 50 0.05 73
IV.MTRA.HNZ. 2019-03-12T08:31:28.90 0.3 undecidable manual S 97 12.3765 131 -0.3 71
IV.MMO1.EHZ. 2019-03-12T08:31:27.29 0.1 undecidable manual P 25 15.873 124 -0.05 99
IV.T1299.HNN. 2019-03-12T08:31:27.55 0.1 undecidable manual P 169 15.3735 125 0.3 94
IV.SMA1.EHZ. 2019-03-12T08:31:27.66 0.1 undecidable manual P 155 17.0718 122 0.11 98
IV.NRCA.HNZ. 2019-03-12T08:31:27.00 0.1 undecidable manual P 304 12.7761 130 0.15 97
IV.MC2.EHZ. 2019-03-12T08:31:27.53 0.1 positive manual P 344 16.3725 123 0.1 98
IV.MTRA.HNZ. 2019-03-12T08:31:26.82 0.1 undecidable manual P 97 12.3765 131 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:0.0 0.0036500000000000005 0.8 AML other m 2019-03-12T08:31:29.53
IV.MTRA.HNE. ML:0.0 0.0031500000000000005 0.2 AML other m 2019-03-12T08:31:29.29
IV.MTRA.EHE. ML:0.0 0.003125 0.18 AML other m 2019-03-12T08:31:29.30
IV.NRCA.HHE. ML:0.0 0.005234999999999999 0.18 AML other m 2019-03-12T08:31:29.46
IV.NRCA.HNE. ML:0.0 0.00491 0.18 AML other m 2019-03-12T08:31:29.47
IV.NRCA.HHN. ML:0.0 0.00382 0.08 AML other m 2019-03-12T08:31:29.53
IV.NRCA.HNN. ML:0.0 0.003535 0.08 AML other m 2019-03-12T08:31:29.54
IV.MTRA.HNN. ML:0.0 0.003523599 0.224 AML other m 2019-03-12T08:31:29.53
IV.SMA1.EHN. ML:0.0 0.00293 0.22 AML other m 2019-03-12T08:31:30.56
IV.SMA1.EHE. ML:0.0 0.0035800000000000003 0.2 AML other m 2019-03-12T08:31:30.71
IV.LNSS.HNN. ML:0.0 0.0010761775 0.3328 AML other m 2019-03-12T08:31:33.52
IV.LNSS.HHN. ML:0.0 0.00111 0.34 AML other m 2019-03-12T08:31:33.35
IV.CAMP.HHN. ML:0.0 0.0012850000000000001 0.32 AML other m 2019-03-12T08:31:33.95
IV.CAMP.HHE. ML:0.0 0.0014449999999999999 0.24 AML other m 2019-03-12T08:31:33.85
IV.RM33.HNN. ML:0.0 0.00046914339999999996 0.352 AML other m 2019-03-12T08:31:34.86
IV.RM33.EHN. ML:0.0 0.00051 0.34 AML other m 2019-03-12T08:31:34.86
IV.RM33.HNE. ML:0.0 0.0007095706500000001 0.384 AML other m 2019-03-12T08:31:34.71
IV.RM33.EHE. ML:0.0 0.0007624999999999999 0.4 AML other m 2019-03-12T08:31:34.72
IV.MF5.EHN. ML:0.0 0.0007714595 1.8016 AML other m 2019-03-12T08:31:34.93
IV.GAVE.EHN. ML:0.0 0.0006590000000000001 0.96 AML other m 2019-03-12T08:31:34.50
IV.MF5.EHE. ML:0.0 0.00043523904999999993 1.7824 AML other m 2019-03-12T08:31:34.99
IV.GAVE.HNE. ML:0.0 0.0004789983 0.3264 AML other m 2019-03-12T08:31:35.14
IV.TERO.HNE. ML:0.0 0.00025375605 0.0832 AML other m 2019-03-12T08:31:35.22
IV.TERO.HHN. ML:0.0 0.0004868121 0.096 AML other m 2019-03-12T08:31:35.43
IV.TERO.HNN. ML:0.0 0.000276651 0.1152 AML other m 2019-03-12T08:31:35.43
IV.TERO.HHE. ML:0.0 0.00048307995 0.0576 AML other m 2019-03-12T08:31:35.22
IV.GUMA.HHE. ML:0.0 0.00363 0.32 AML other m 2019-03-12T08:31:35.80
IV.GUMA.HNE. ML:0.0 0.0034710775 0.2496 AML other m 2019-03-12T08:31:35.81
IV.LNSS.HNE. ML:0.0 0.0004691594 1.7312 AML other m 2019-03-12T08:31:35.08
IV.LNSS.HHE. ML:0.0 0.0005145 0.42 AML other m 2019-03-12T08:31:36.08
IV.GUMA.HHN. ML:0.0 0.001771474 0.1984 AML other m 2019-03-12T08:31:35.84
IV.CESI.HHE. ML:0.0 0.0007155 0.16 AML other m 2019-03-12T08:31:36.53
IV.CESI.HHN. ML:0.0 0.001024 0.46 AML other m 2019-03-12T08:31:36.85
IV.CSP1.EHE. ML:0.0 0.00077783075 0.3968 AML other m 2019-03-12T08:31:36.86
IV.CSP1.EHN. ML:0.0 0.00070285905 0.3008 AML other m 2019-03-12T08:31:37.58
IV.GAVE.EHE. ML:0.0 0.00045416255 0.3008 AML other m 2019-03-12T08:31:37.43
IV.FIAM.HHN. ML:0.0 0.00009962124999999999 0.224 AML other m 2019-03-12T08:31:41.99
IV.ASSB.HHN. ML:0.0 0.00013515809000000002 0.1792 AML other m 2019-03-12T08:31:42.01
IV.MOMA.HHN. ML:0.0 0.000153 0.56 AML other m 2019-03-12T08:31:42.14
IV.ASSB.HHE. ML:0.0 0.000117228265 0.1792 AML other m 2019-03-12T08:31:42.88
IV.FIAM.HHE. ML:0.0 0.000057547475 0.32 AML other m 2019-03-12T08:31:43.02
IV.MOMA.HHE. ML:0.0 0.00012626005499999997 0.1984 AML other m 2019-03-12T08:31:45.38
IV.SNTG.HHN. ML:0.0 0.00013187694999999998 0.3008 AML other m 2019-03-12T08:31:46.14
IV.EL6.EHN. ML:0.0 0.00028719090000000003 0.4608 AML other m 2019-03-12T08:31:46.12
IV.EL6.EHE. ML:0.0 0.0003015 1.28 AML other m 2019-03-12T08:31:47.66
IV.GAVE.HNN. ML:1.7 0.0002211823 0.3008 AML other m 2019-03-12T08:31:36.47
IV.SNTG.HHE. ML:1.8 0.000118230605 0.1792 AML other m 2019-03-12T08:31:42.92
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
Waveforms Seismic signals in miniseed + resp format Download