Earthquake with magnitude of ML 1.2 on date 13-05-2021 and time 09:30:28 (Italy) in region 4 km N Frassinoro (MO)

A magnitude ML 1.2 earthquake occured in region: 4 km N Frassinoro (MO), on

  • 13-05-2021 07:30:28 (UTC)
  • 13-05-2021 09:30:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.33, 10.564 at 8 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
Frassinoro MO 4 1926 1926
Toano RE 5 4463 6389
Montefiorino MO 6 2203 8592
Palagano MO 7 2194 10786
Villa Minozzo RE 9 3750 14536
Polinago MO 13 1672 16208
Riolunato MO 13 712 16920
Lama Mocogno MO 14 2734 19654
Pievepelago MO 14 2222 21876
Carpineti RE 14 4064 25940
Montecreto MO 15 940 26880
Prignano sulla Secchia MO 16 3747 30627
Castelnovo ne' Monti RE 18 10465 41092
Fiumalbo MO 18 1280 42372
Baiso RE 19 3315 45687
Ventasso RE 20 4295 49982
Sestola MO 20 2508 52490

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km S of Reggio nell'Emilia (171345 inhabitants)
46 Km SW of Modena (184973 inhabitants)
47 Km NE of Carrara (63133 inhabitants)
47 Km NE of Massa (69479 inhabitants)
52 Km NW of Pistoia (90315 inhabitants)
54 Km N of Lucca (89046 inhabitants)
56 Km SE of Parma (192836 inhabitants)
57 Km SW of Carpi (70699 inhabitants)
57 Km NE of Viareggio (62467 inhabitants)
64 Km E of La Spezia (93959 inhabitants)
65 Km W of Bologna (386663 inhabitants)
66 Km NW of Prato (191150 inhabitants)
70 Km N of Pisa (89158 inhabitants)
81 Km NW of Scandicci (50609 inhabitants)
83 Km NW of Firenze (382808 inhabitants)
89 Km N of Livorno (159219 inhabitants)
92 Km W of Imola (69797 inhabitants)
99 Km SE of Cremona (71901 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 1.2 2021-05-13
07:30:28
44.3305 10.564 8 2021-12-29
11:12:00
Bollettino Sismico Italiano INGV 90326211
Reviewed
Rev100
ML 1.6 2021-05-13
07:30:28
44.3362 10.5762 9 2021-05-13
07:50:30
Sala Sismica INGV-Roma 90044671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-13 07:30:28 ± 0.15
Latitude 44.3305 ± 0.0117
Longitude 10.5640 ± 0.0113
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90326211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1248
Semi-minor axis of confidence ellipse (meter) 918
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 352
Circular confidence region, given by single value of horizontal uncertainty (meter) 1250
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.60884
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 90326211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-21 11:03:04

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 90044671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-13 07:50:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.IOCA.HHZ. 2021-05-13T07:32:25.08 3.0 undecidable manual Sn 0.3 0
IV.CAGR.HHZ. 2021-05-13T07:32:20.52 3.0 undecidable manual Pn 5.73 0
IV.AGLI.HHZ. 2021-05-13T07:32:14.24 3.0 undecidable manual Sg 12.78 0
SL.LJU.BHZ. 2021-05-13T07:31:59.37 3.0 undecidable manual Sn 0.56 0
IV.RDP.HHZ. 2021-05-13T07:31:56.05 3.0 undecidable manual Sn 3.9 0
IV.VIVA.HHZ. 2021-05-13T07:31:50.27 3.0 undecidable manual Sn -2.64 0
IV.PTRJ.HNZ. 2021-05-13T07:31:33.89 3.0 undecidable manual Pn 2.82 0
IV.BSSO.HHZ. 2021-05-13T07:31:32.86 3.0 negative manual Pn 3.12 0
SL.BOJS.BHZ. 2021-05-13T07:31:26.22 3.0 negative manual Pn 3.75 0
IV.VIVA.HHZ. 2021-05-13T07:31:16.98 3.0 undecidable manual Pn 1.14 0
IV.CIMA.HNZ. 2021-05-13T07:31:10.68 3.0 undecidable manual Pn 2.85 0
IV.ZEN8.EHZ. 2021-05-13T07:31:09.79 3.0 undecidable manual S -1.63 0
IV.MMUR.HNZ. 2021-05-13T07:31:03.27 3.0 undecidable manual Pn 2.3 0
GU.GRAM.HHZ. 2021-05-13T07:30:43.49 0.6 undecidable manual S 294 0.3903 50 0.32 44
GU.CARD.HHZ. 2021-05-13T07:30:41.08 0.3 undecidable manual S 191 0.3103 103 0.34 70
IV.ZCCA.HHN. 2021-05-13T07:30:41.04 0.3 undecidable manual S 86 0.2959 104 0.84 59
GU.EQUI.HHZ. 2021-05-13T07:30:41.45 0.1 undecidable manual S 241 0.3372 50 -0.14 100
IV.PII.HHZ. 2021-05-13T07:30:40.43 0.3 undecidable manual P 183 0.6088 50 -0.27 68
GU.POPM.HHE. 2021-05-13T07:30:40.43 0.3 undecidable manual S 154 0.3175 50 -0.57 68
GU.GRAM.HHZ. 2021-05-13T07:30:36.66 0.3 undecidable manual P 294 0.3903 50 -0.3 72
GU.POPM.HHE. 2021-05-13T07:30:35.16 0.3 undecidable manual P 154 0.3175 50 -0.55 68
GU.CARD.HHZ. 2021-05-13T07:30:35.50 0.1 undecidable manual P 191 0.3103 103 -0.06 100
IV.ZCCA.HHN. 2021-05-13T07:30:35.70 0.1 undecidable manual P 86 0.2959 104 0.45 91
GU.EQUI.HHZ. 2021-05-13T07:30:35.81 0.1 undecidable manual P 241 0.3372 50 -0.24 97
MN.VLC.HHZ. 2021-05-13T07:30:34.02 0.1 positive manual P 217 0.2131 109 0.53 94
GU.SARM.EHN. 2021-05-13T07:30:33.51 0.1 positive manual P 219 0.1871 111 0.56 93
GU.GSCL.HHZ. 2021-05-13T07:30:31.24 0.1 undecidable manual S 40 0.0261 160 -0.22 97
GU.GSCL.HHZ. 2021-05-13T07:30:29.91 0.1 undecidable manual P 40 0.0261 160 -0.29 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHE. ML:0 0.00185 0.24 AML other m 2021-05-13T07:30:31.57
GU.GSCL.HHN. ML:0 0.0048 0.16 AML other m 2021-05-13T07:30:31.55
IV.PII.HHN. ML:1.5 5.891264E-5 0.7424 AML other m 2021-05-13T07:30:57.01
IV.PII.HHE. ML:1.7 8.735552E-5 0.4832 AML other m 2021-05-13T07:30:57.76
MN.VLC.HHN. ML:1.1 7.370733E-5 0.16 AML other m 2021-05-13T07:30:34.55
MN.VLC.HHE. ML:1.2 9.2386035E-5 0.8192 AML other m 2021-05-13T07:30:39.22
MN.VLC.HNN. ML:1.2 8.8695735E-5 0.5568 AML other m 2021-05-13T07:30:36.86
MN.VLC.HNE. ML:1.3 0.000121135515 0.8192 AML other m 2021-05-13T07:30:39.22
GU.CARD.HHE. ML:1 4.101911E-5 0.1152 AML other m 2021-05-13T07:30:41.57
GU.CARD.HHN. ML:1.1 4.8554055E-5 0.1792 AML other m 2021-05-13T07:30:41.21
GU.EQUI.HHE. ML:1.3 7.0522815E-5 1.1584 AML other m 2021-05-13T07:30:44.77
GU.EQUI.HHN. ML:0.9 2.9048685E-5 1.1968 AML other m 2021-05-13T07:30:50.44
GU.GRAM.HHE. ML:1.5 9.4289135E-5 0.4224 AML other m 2021-05-13T07:30:45.23
GU.GRAM.HHN. ML:1.3 6.3330765E-5 0.16 AML other m 2021-05-13T07:30:45.89
IV.MMUR.HNE. ML:3.4 0.0006408789 0.7744 AML other m 2021-05-13T07:31:43.83
IV.MMUR.HNN. ML:3.4 0.00061681535 1.216 AML other m 2021-05-13T07:31:41.11
IV.CIMA.HNE. ML:4 0.0014487565 0.4608 AML other m 2021-05-13T07:32:15.07
IV.CIMA.HNN. ML:4.1 0.001752053 0.4416 AML other m 2021-05-13T07:32:16.52
IV.VIVA.HHE. ML:4 0.0009583658 0.064 AML other m 2021-05-13T07:31:54.40
IV.VIVA.HHN. ML:3.7 0.0005211533 0.064 AML other m 2021-05-13T07:31:54.32
SL.BOJS.BHN. ML:3 6.6105545E-5 1.7984 AML other m 2021-05-13T07:32:05.76
SL.BOJS.BHE. ML:2.9 4.7203785E-5 0.4032 AML other m 2021-05-13T07:31:42.46
IV.BSSO.HHE. ML:3.1 5.513367E-5 1.28 AML other m 2021-05-13T07:32:39.67
IV.BSSO.HNE. ML:3.3 8.9735085E-5 1.4208 AML other m 2021-05-13T07:31:34.40
IV.BSSO.HHN. ML:3.1 5.7416395E-5 1.4656 AML other m 2021-05-13T07:32:18.07
IV.BSSO.HNN. ML:3.2 6.90048465E-5 1.0368 AML other m 2021-05-13T07:31:42.52
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