Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 12-03-2021 and time 08:28:40 (UTC) in region 5 km E Concerviano (RI)

A magnitude ML 1.7 earthquake occured in region: 5 km E Concerviano (RI), on

  • 12-03-2021 08:28:40 (UTC)
  • 12-03-2021 09:28:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.3470, 13.0440 at 9 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
Concerviano RI 5 291 291
Castel Sant'Angelo RI 6 1308 1599
Petrella Salto RI 6 1197 2796
Borgo Velino RI 7 972 3768
Antrodoco RI 9 2588 6356
Cittaducale RI 9 6828 13184
Longone Sabino RI 10 597 13781
Fiamignano RI 11 1413 15194
Micigliano RI 12 127 15321
Varco Sabino RI 12 187 15508
Rocca Sinibalda RI 13 815 16323
Belmonte in Sabina RI 13 636 16959
Marcetelli RI 13 89 17048
Castel di Tora RI 16 288 17336
Rieti RI 16 47698 65034
Colle di Tora RI 17 372 65406
Ascrea RI 17 234 65640
Torricella in Sabina RI 17 1342 66982
Paganico Sabino RI 18 172 67154
Scoppito AQ 18 3727 70881
Pescorocchiano RI 18 2075 72956
Cantalice RI 18 2755 75711
Collegiove RI 19 213 75924
Poggio San Lorenzo RI 19 589 76513
Cagnano Amiterno AQ 20 1369 77882
Monteleone Sabino RI 20 1224 79106
Borbona RI 20 617 79723

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km W of L'Aquila (69753 inhabitants)
40 Km SE of Terni (111501 inhabitants)
46 Km NE of Guidonia Montecelio (88673 inhabitants)
47 Km NE of Tivoli (56533 inhabitants)
65 Km SW of Teramo (54892 inhabitants)
68 Km NE of Roma (2864731 inhabitants)
73 Km SE of Foligno (57155 inhabitants)
77 Km N of Velletri (53303 inhabitants)
78 Km E of Viterbo (67173 inhabitants)
87 Km NE of Pomezia (62966 inhabitants)
90 Km NE of Aprilia (73446 inhabitants)
92 Km NE of Fiumicino (78395 inhabitants)
92 Km W of Chieti (51815 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
97 Km W of Pescara (121014 inhabitants)
98 Km N of Latina (125985 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 1.7 2021-03-12
08:28:40		 42.3467 13.0437 9 2021-07-12
16:55:14		 Bollettino Sismico Italiano INGV 90964901
Reviewed
Rev100 		ML 1.7 2021-03-12
08:28:40		 42.3458 13.0368 9 2021-03-12
08:35:48		 Sala Sismica INGV-Roma 88029601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-12 08:28:40 ± 0.05
Latitude 42.3467 ± 0.0027
Longitude 13.0437 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90964901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 256
Semi-minor axis of confidence ellipse (meter) 182
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 226
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.09533
Epicentral distance of station farthest from the epicenter (degree) 0.68978
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 90964901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-09 10:10:16

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 88029601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-12 08:35:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2021-03-12T08:29:00.80 0.3 undecidable manual S 323 63.7917 50 0.13 67
IV.NRCA.HHZ. 2021-03-12T08:28:58.10 0.3 undecidable manual S 6 54.3012 50 -0.04 69
IV.MTRA.EHE. 2021-03-12T08:28:57.90 0.6 undecidable manual S 32 53.9016 50 -0.12 46
IV.FAGN.HHZ. 2021-03-12T08:28:56.10 0.6 undecidable manual S 101 45.2214 50 0.39 44
IV.PTQR.HHE. 2021-03-12T08:28:56.10 0.3 undecidable manual S 141 46.4202 50 0.06 70
IV.CESX.HHZ. 2021-03-12T08:28:56.70 0.3 undecidable manual S 308 47.3193 50 0.42 65
IV.CERT.HHZ. 2021-03-12T08:28:55.80 0.3 undecidable manual S 187 44.4222 50 0.31 67
IV.GIGS.HHE. 2021-03-12T08:28:55.40 0.6 undecidable manual S 75 44.9217 50 -0.23 45
IV.FDMO.HHZ. 2021-03-12T08:28:54.56 0.6 undecidable manual P 3 76.5678 50 0.34 42
IV.GAVE.EHZ. 2021-03-12T08:28:54.50 0.6 undecidable manual S 342 40.2264 50 0.12 47
IV.T1299.HNN. 2021-03-12T08:28:53.30 0.6 undecidable manual S 31 37.4292 50 -0.32 45
IV.ARRO.EHZ. 2021-03-12T08:28:52.60 0.6 undecidable manual S 319 34.3434 50 -0.22 46
IV.LNSS.HHZ. 2021-03-12T08:28:51.10 0.3 undecidable manual S 359 28.4493 108 0.02 73
IV.MOMA.HHZ. 2021-03-12T08:28:51.97 0.3 undecidable manual P 323 63.7917 50 -0.27 65
MN.AQU.HHE. 2021-03-12T08:28:51.70 0.3 undecidable manual S 88 29.6481 107 0.21 70
IV.CESX.HHZ. 2021-03-12T08:28:50.13 0.3 undecidable manual P 308 47.3193 50 0.43 65
IV.MTRA.EHE. 2021-03-12T08:28:50.45 0.3 undecidable manual P 32 53.9016 50 -0.26 66
IT.MMP1.HGZ. 2021-03-12T08:28:50.50 0.6 undecidable manual S 246 26.5512 109 0.04 49
IV.NRCA.HHZ. 2021-03-12T08:28:50.67 0.3 undecidable manual P 6 54.3012 50 -0.11 68
IV.CERT.HHZ. 2021-03-12T08:28:49.00 0.3 undecidable manual P 187 44.4222 50 -0.25 68
IV.RM33.EHZ. 2021-03-12T08:28:49.40 0.3 undecidable manual S 38 22.755 112 0.15 72
IV.PTQR.HHE. 2021-03-12T08:28:49.20 0.3 undecidable manual P 141 46.4202 50 -0.37 66
IV.GIGS.HHE. 2021-03-12T08:28:49.37 0.3 undecidable manual P 75 44.9217 50 0.03 71
IV.FAGN.HHZ. 2021-03-12T08:28:49.47 0.6 undecidable manual P 101 45.2214 50 0.09 47
IV.GAVE.EHZ. 2021-03-12T08:28:48.36 0.3 undecidable manual P 342 40.2264 50 -0.25 68
IV.T1299.HNN. 2021-03-12T08:28:48.04 0.3 undecidable manual P 31 37.4292 50 -0.14 70
IV.SMA1.EHZ. 2021-03-12T08:28:48.62 0.3 undecidable manual P 37 39.5271 50 0.12 70
IV.ARRO.EHZ. 2021-03-12T08:28:47.75 0.3 undecidable manual P 319 34.3434 50 0.04 72
IV.LNSS.HHZ. 2021-03-12T08:28:46.62 0.3 undecidable manual P 359 28.4493 108 -0.09 72
IT.MMP1.HGZ. 2021-03-12T08:28:46.08 0.3 undecidable manual P 246 26.5512 109 -0.27 70
MN.AQU.HHE. 2021-03-12T08:28:46.92 0.3 undecidable manual P 88 29.6481 107 -0.02 73
IV.RM33.EHZ. 2021-03-12T08:28:45.77 0.1 undecidable manual P 38 22.755 112 0.12 96
IV.FIAM.HHZ. 2021-03-12T08:28:45.60 0.6 undecidable manual S 145 10.5783 130 0.03 50
IV.FIAM.HHZ. 2021-03-12T08:28:43.49 0.1 undecidable manual P 145 10.5783 130 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIAM.HHN. ML:1.8 0.000758 1.6 AML other m 2021-03-12T08:28:45.94
IV.FIAM.HHE. ML:1.8 0.0009065 1.56 AML other m 2021-03-12T08:28:46.03
IV.RM33.EHN. ML:1.8 0.0004395 0.34 AML other m 2021-03-12T08:28:50.42
IV.RM33.EHE. ML:1.9 0.00048150000000000005 0.36 AML other m 2021-03-12T08:28:50.25
IV.LNSS.HHE. ML:1.8 0.0002895 0.14 AML other m 2021-03-12T08:28:51.50
IV.LNSS.HHN. ML:1.9 0.000426 1.64 AML other m 2021-03-12T08:28:52.84
IV.ARRO.EHN. ML:1.6 0.0001805 0.98 AML other m 2021-03-12T08:28:54.14
IV.GAVE.EHN. ML:1.9 0.00028000000000000003 0.86 AML other m 2021-03-12T08:28:55.73
IV.ARRO.EHE. ML:1.5 0.0001325 0.76 AML other m 2021-03-12T08:28:56.55
IV.CESX.HHN. ML:1.5 0.0000941 0.76 AML other m 2021-03-12T08:28:58.88
IV.CESX.HHE. ML:1.4 0.0000769 0.94 AML other m 2021-03-12T08:28:59.39
IV.GAVE.EHE. ML:1.7 0.00015849999999999998 0.48 AML other m 2021-03-12T08:28:59.67
IV.NRCA.HHE. ML:1.6 0.00009905 1.02 AML other m 2021-03-12T08:28:59.85
IV.NRCA.HHN. ML:1.6 0.00009175 0.12 AML other m 2021-03-12T08:29:00.75
IV.SMA1.EHN. ML:1.9 0.0002965 0.66 AML other m 2021-03-12T08:29:02.91
IV.MOMA.HHN. ML:1.7 0.00010065000000000001 0.46 AML other m 2021-03-12T08:29:02.39
IV.SMA1.EHE. ML:1.8 0.000222 1.24 AML other m 2021-03-12T08:29:02.90
IV.FDMO.HHN. ML:1.4 0.0000371 0.9 AML other m 2021-03-12T08:29:05.45
IV.FDMO.HHE. ML:1.4 0.00003725 0.32 AML other m 2021-03-12T08:29:06.49
IV.MOMA.HHE. ML:1.6 0.00008319999999999999 1.68 AML other m 2021-03-12T08:29:06.89
IV.PAOL.HNE. ML:2.8 0.000209 1.28 AML other m 2021-03-12T08:29:21.65
IV.PAOL.HNN. ML:3.0 0.00033350000000000003 0.54 AML other m 2021-03-12T08:29:35.20
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