Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 24-03-2021 and time 13:43:32 (Italy) in region 5 km S Corniglio (PR)

A magnitude ML 1.8 earthquake occured in region: 5 km S Corniglio (PR), on

  • 24-03-2021 12:43:32 (UTC)
  • 24-03-2021 13:43:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.4370, 10.0740 at 16 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
Corniglio PR 5 1936 1936
Monchio delle Corti PR 5 933 2869
Palanzano PR 10 1142 4011
Berceto PR 11 2109 6120
Tizzano Val Parma PR 14 2077 8197
Bagnone MS 15 1887 10084
Filattiera MS 16 2309 12393
Comano MS 16 714 13107
Pontremoli MS 16 7357 20464
Mulazzo MS 18 2424 22888
Calestano PR 19 2100 24988
Villafranca in Lunigiana MS 19 4770 29758
Licciana Nardi MS 19 4949 34707
Terenzo PR 19 1196 35903

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km N of Carrara (63133 inhabitants)
41 Km NE of La Spezia (93959 inhabitants)
45 Km N of Massa (69479 inhabitants)
45 Km SW of Parma (192836 inhabitants)
53 Km SW of Reggio nell'Emilia (171345 inhabitants)
65 Km N of Viareggio (62467 inhabitants)
72 Km W of Modena (184973 inhabitants)
74 Km NW of Lucca (89046 inhabitants)
75 Km SE of Piacenza (102191 inhabitants)
75 Km SW of Carpi (70699 inhabitants)
78 Km S of Cremona (71901 inhabitants)
84 Km NW of Pisa (89158 inhabitants)
88 Km NW of Pistoia (90315 inhabitants)
91 Km E of Genova (586655 inhabitants)
100 Km N of Livorno (159219 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 1.8 2021-03-24
12:43:32		 44.437 10.0737 16 2021-07-12
16:55:09		 Bollettino Sismico Italiano INGV 89735511
Reviewed
Rev100 		ML 2.3 2021-03-24
12:43:32		 44.4173 10.0735 11 2021-03-24
12:50:58		 Sala Sismica INGV-Roma 88430941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-24 12:43:32 ± 0.15
Latitude 44.4370 ± 0.0054
Longitude 10.0737 ± 0.0101
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89735511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 660
Semi-minor axis of confidence ellipse (meter) 529
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 0.78421
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 89735511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-03 07:55:14

ML:2.3

Field Value
Value 2.3
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 88430941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-24 12:50:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PII.HHZ. 2021-03-24T12:43:58.31 0.6 undecidable manual S 155 87.0462 94 0.14 44
IV.PII.HHZ. 2021-03-24T12:43:47.44 0.6 undecidable manual P 155 87.0462 94 0.16 44
IV.PLMA.HHZ. 2021-03-24T12:43:47.27 0.6 undecidable manual S 202 46.4202 99 -0.08 48
GU.GSCL.HHZ. 2021-03-24T12:43:46.02 0.6 undecidable manual S 103 41.9247 100 -0.15 48
GU.SARM.EHN. 2021-03-24T12:43:45.12 0.6 undecidable manual S 137 38.2284 101 -0.09 49
MN.VLC.HHZ. 2021-03-24T12:43:45.20 0.6 undecidable manual S 141 39.5271 101 -0.36 46
GU.EQUI.HHZ. 2021-03-24T12:43:43.21 0.6 undecidable manual S 168 30.747 105 -0.05 50
IV.NEVI.HNN. 2021-03-24T12:43:42.19 0.6 undecidable manual S 50 25.1526 110 0.35 47
GU.FIVI.HNE. 2021-03-24T12:43:41.81 0.6 undecidable manual S 169 22.3554 114 0.66 43
IV.MSSA.HHZ. 2021-03-24T12:43:41.30 0.6 positive manual P 253 46.1205 99 0.3 46
MN.VLC.HHZ. 2021-03-24T12:43:40.46 0.3 negative manual P 141 39.5271 101 0.46 67
IV.PLMA.HHZ. 2021-03-24T12:43:40.74 0.6 undecidable manual P 202 46.4202 99 -0.3 46
GU.GSCL.HHZ. 2021-03-24T12:43:40.00 0.3 undecidable manual P 103 41.9247 100 -0.35 69
GU.SARM.EHN. 2021-03-24T12:43:40.03 0.6 undecidable manual P 137 38.2284 101 0.23 47
GU.EQUI.HHZ. 2021-03-24T12:43:38.87 0.6 undecidable manual P 168 30.747 105 0.2 48
IV.NEVI.HNN. 2021-03-24T12:43:37.95 0.1 undecidable manual P 50 25.1526 110 0.09 99
GU.GRAM.HHZ. 2021-03-24T12:43:37.99 0.3 undecidable manual S 353 5.994 156 0.04 78
GU.FIVI.HNE. 2021-03-24T12:43:37.05 0.1 undecidable manual P 169 22.3554 114 -0.4 94
GU.GRAM.HHZ. 2021-03-24T12:43:35.37 0.1 negative manual P 353 5.994 156 -0.24 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GRAM.HHN. ML:2.4 0.0027082480000000003 0.3008 AML other m 2021-03-24T12:43:38.23
GU.GRAM.HHE. ML:2.2 0.0015033965000000001 0.3136 AML other m 2021-03-24T12:43:38.34
GU.EQUI.HHN. ML:1.3 0.00007835000000000001 0.24 AML other m 2021-03-24T12:43:44.43
GU.EQUI.HHE. ML:1.5 0.00012903645 0.4224 AML other m 2021-03-24T12:43:44.23
MN.VLC.HHN. ML:1.7 0.00016 0.3 AML other m 2021-03-24T12:43:46.33
MN.VLC.HHE. ML:1.7 0.00015039595 0.384 AML other m 2021-03-24T12:43:46.34
MN.VLC.HNE. ML:1.7 0.0001716333 0.384 AML other m 2021-03-24T12:43:46.35
MN.VLC.HNN. ML:1.7 0.00015731175 0.2944 AML other m 2021-03-24T12:43:46.34
IV.PLMA.HHE. ML:1.7 0.0001451163 0.2624 AML other m 2021-03-24T12:43:47.38
GU.GSCL.HHE. ML:2.0 0.00031754470000000003 0.256 AML other m 2021-03-24T12:43:47.30
GU.GSCL.HHN. ML:2.0 0.00034414755 0.2944 AML other m 2021-03-24T12:43:47.32
IV.PLMA.HHN. ML:1.6 0.00010854052 0.2624 AML other m 2021-03-24T12:43:47.38
IV.PII.HHN. ML:1.8 0.00007198372 1.0816 AML other m 2021-03-24T12:43:59.33
IV.PII.HHE. ML:2.1 0.0001580434 1.12 AML other m 2021-03-24T12:43:59.12
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