Earthquake with magnitude of ML 1.7 on date 12-03-2021 and time 01:58:17 (UTC) in region 4 km NE Pizzoli (AQ)

A magnitude ML 1.7 earthquake occured in region: 4 km NE Pizzoli (AQ), on

  • 12-03-2021 01:58:17 (UTC)
  • 12-03-2021 02:58:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.463, 13.332 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pizzoli AQ 4 4326 4326
Barete AQ 4 737 5063
Capitignano AQ 7 665 5728
Cagnano Amiterno AQ 9 1369 7097
Montereale AQ 10 2581 9678
Campotosto AQ 11 542 10220
Scoppito AQ 12 3727 13947
L'Aquila AQ 14 69753 83700
Crognaleto TE 15 1297 84997
Borbona RI 17 617 85614
Amatrice RI 19 2657 88271
Lucoli AQ 19 1011 89282
Tornimparte AQ 19 3187 92469
Pietracamela TE 20 271 92740
Fano Adriano TE 20 296 93036

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NW of L'Aquila (69753 inhabitants)
38 Km SW of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
70 Km W of Chieti (51815 inhabitants)
71 Km NE of Tivoli (56533 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km W of Pescara (121014 inhabitants)
75 Km SE of Foligno (57155 inhabitants)
94 Km NE of Roma (2864731 inhabitants)
98 Km NE of Velletri (53303 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
01:58:17
42.463 13.3322 11 2021-07-12
16:55:13
Bollettino Sismico Italiano INGV 90659721
Reviewed
Rev100
ML 1.8 2021-03-12
01:58:17
42.4575 13.3302 13 2021-03-12
02:02:58
Sala Sismica INGV-Roma 88021691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-12 01:58:17 ± 0.04
Latitude 42.4630 ± 0.0027
Longitude 13.3322 ± 0.0012
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 90659721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 340
Semi-minor axis of confidence ellipse (meter) 109
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 359
Circular confidence region, given by single value of horizontal uncertainty (meter) 340
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.09263
Epicentral distance of station farthest from the epicenter (degree) 0.62593
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 90659721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-31 12:16:00

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 88021691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-12 02:02:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CESI.HHZ. 2021-03-12T01:58:38.60 0.6 undecidable manual S 330 0.6259 90 0.08 46
IV.MF5.EHZ. 2021-03-12T01:58:36.20 0.6 undecidable manual S 10 0.5324 90 0.44 43
IV.MC2.EHZ. 2021-03-12T01:58:34.10 0.6 undecidable manual S 347 0.4605 90 0.49 43
IV.PTQR.HHZ. 2021-03-12T01:58:33.12 0.3 undecidable manual S 173 0.4434 90 0 70
IV.MMO1.EHN. 2021-03-12T01:58:33.16 0.6 undecidable manual S 359 0.4362 90 0.26 45
IV.ARRO.EHZ. 2021-03-12T01:58:32.80 0.3 undecidable manual S 286 0.4335 90 0 70
IV.VCEL.EHZ. 2021-03-12T01:58:31.40 0.6 undecidable manual S 100 0.3813 90 0.13 46
IV.NRCA.HHZ. 2021-03-12T01:58:31.91 0.3 undecidable manual S 337 0.4038 90 -0.02 70
IV.CESI.HHZ. 2021-03-12T01:58:29.91 0.3 undecidable manual P 330 0.6259 90 0.27 65
IV.FDMO.HHZ. 2021-03-12T01:58:29.35 0.3 undecidable manual P 343 0.6007 90 0.14 67
IV.GUMA.HHZ. 2021-03-12T01:58:29.50 0.6 undecidable manual P 0 0.5989 90 0.31 43
IV.MF5.EHZ. 2021-03-12T01:58:28.34 0.3 undecidable manual P 10 0.5324 90 0.29 66
IV.TERO.HHZ. 2021-03-12T01:58:27.40 0.3 undecidable manual S 51 0.2563 90 -0.16 72
IV.FIAM.HHZ. 2021-03-12T01:58:27.12 0.6 undecidable manual S 219 0.2509 90 -0.3 46
IV.LNSS.HHZ. 2021-03-12T01:58:27.50 0.3 undecidable manual S 303 0.2563 90 -0.07 72
IV.MC2.EHZ. 2021-03-12T01:58:26.89 0.6 undecidable manual P 347 0.4605 90 0.08 47
IV.MMO1.EHN. 2021-03-12T01:58:26.18 0.6 undecidable manual P 359 0.4362 90 -0.22 45
IV.ARRO.EHZ. 2021-03-12T01:58:26.18 0.3 undecidable manual P 286 0.4335 90 -0.16 68
IV.PTQR.HHZ. 2021-03-12T01:58:26.27 0.3 undecidable manual P 173 0.4434 90 -0.26 68
IV.NRCA.HHZ. 2021-03-12T01:58:25.74 0.3 undecidable manual P 337 0.4038 90 -0.1 70
IV.SMA1.EHZ. 2021-03-12T01:58:25.00 0.3 undecidable manual S 1 0.1673 91 0.06 75
IV.T1299.EHZ. 2021-03-12T01:58:25.00 0.3 undecidable manual S 348 0.1754 91 -0.16 72
IV.VCEL.EHZ. 2021-03-12T01:58:25.78 0.3 undecidable manual P 100 0.3813 90 0.32 67
IV.GIGS.HJZ. 2021-03-12T01:58:24.90 0.3 undecidable manual S 93 0.1781 91 -0.34 71
IV.LNSS.HHZ. 2021-03-12T01:58:23.25 0.1 positive manual P 303 0.2563 90 -0.07 96
IV.TERO.HHZ. 2021-03-12T01:58:23.16 0.3 undecidable manual P 51 0.2563 90 -0.16 72
MN.AQU.HNZ. 2021-03-12T01:58:23.50 0.3 undecidable manual S 154 0.1214 99 -0.08 76
IV.FIAM.HHZ. 2021-03-12T01:58:22.96 0.3 undecidable manual P 219 0.2509 90 -0.28 70
IV.CAMP.HHZ. 2021-03-12T01:58:22.80 0.3 undecidable manual S 38 0.0926 119 0.04 75
IV.T1299.EHZ. 2021-03-12T01:58:22.01 0.3 undecidable manual P 348 0.1754 91 0.08 74
IV.RM33.EHZ. 2021-03-12T01:58:22.80 0.3 undecidable manual S 298 0.098 115 -0.12 73
IV.GIGS.HJZ. 2021-03-12T01:58:21.90 0.1 undecidable manual P 93 0.1781 91 -0.08 99
MN.AQU.HNZ. 2021-03-12T01:58:21.13 0.1 undecidable manual P 154 0.1214 99 0.11 98
IV.SMA1.EHZ. 2021-03-12T01:58:21.89 0.3 undecidable manual P 1 0.1673 91 0.09 74
IV.RM33.EHZ. 2021-03-12T01:58:20.73 0.1 positive manual P 298 0.098 115 0.09 100
IV.CAMP.HHZ. 2021-03-12T01:58:20.77 0.1 negative manual P 38 0.0926 119 0.22 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:2 0.00102 0.8 AML other m 2021-03-12T01:58:23.42
IV.RM33.EHN. ML:2 0.001076 0.8 AML other m 2021-03-12T01:58:23.42
IV.RM33.EHE. ML:2 0.0010145 0.24 AML other m 2021-03-12T01:58:23.19
IV.RM33.HNE. ML:0 0.0010139648 0.2608 AML other m 2021-03-12T01:58:23.19
IV.SMA1.EHN. ML:2.1 0.001055 0.4 AML other m 2021-03-12T01:58:25.73
IV.SMA1.EHE. ML:1.9 0.0005875 0.64 AML other m 2021-03-12T01:58:27.66
IV.TERO.HHE. ML:1.5 0.0001605 1.16 AML other m 2021-03-12T01:58:27.96
IV.LNSS.HHE. ML:1.6 0.000188 0.68 AML other m 2021-03-12T01:58:28.37
IV.FIAM.HHE. ML:1.1 6.065E-5 1 AML other m 2021-03-12T01:58:28.47
IV.LNSS.HHN. ML:1.5 0.0001755 1.24 AML other m 2021-03-12T01:58:29.14
IV.TERO.HHN. ML:1.5 0.0001675 0.66 AML other m 2021-03-12T01:58:29.62
IV.FIAM.HHN. ML:1.1 6.135E-5 0.42 AML other m 2021-03-12T01:58:31.37
IV.VCEL.EHN. ML:1.8 0.0001985 0.66 AML other m 2021-03-12T01:58:34.48
IV.VCEL.EHE. ML:1.8 0.000222 0.4 AML other m 2021-03-12T01:58:34.72
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