Earthquake with magnitude of ML 1.2 on date 13-05-2021 and time 07:30:28 (UTC) 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) 44.3300, 10.5640 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) 1250.0
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) 0.00000
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:1.6

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

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
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) 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 43.3233 50 0.32 44
GU.EQUI.HHZ. 2021-05-13T07:30:41.45 0.1 undecidable manual S 241 37.4292 50 -0.14 100
GU.CARD.HHZ. 2021-05-13T07:30:41.08 0.3 undecidable manual S 191 34.4433 103 0.34 70
IV.ZCCA.HHN. 2021-05-13T07:30:41.04 0.3 undecidable manual S 86 32.8449 104 0.84 59
GU.POPM.HHE. 2021-05-13T07:30:40.43 0.3 undecidable manual S 154 35.2425 50 -0.57 68
IV.PII.HHZ. 2021-05-13T07:30:40.43 0.3 undecidable manual P 183 67.5768 50 -0.27 68
GU.GRAM.HHZ. 2021-05-13T07:30:36.66 0.3 undecidable manual P 294 43.3233 50 -0.3 72
IV.ZCCA.HHN. 2021-05-13T07:30:35.70 0.1 undecidable manual P 86 32.8449 104 0.45 91
GU.EQUI.HHZ. 2021-05-13T07:30:35.81 0.1 undecidable manual P 241 37.4292 50 -0.24 97
GU.POPM.HHE. 2021-05-13T07:30:35.16 0.3 undecidable manual P 154 35.2425 50 -0.55 68
GU.CARD.HHZ. 2021-05-13T07:30:35.50 0.1 undecidable manual P 191 34.4433 103 -0.06 100
MN.VLC.HHZ. 2021-05-13T07:30:34.02 0.1 positive manual P 217 23.6541 109 0.53 94
GU.SARM.EHN. 2021-05-13T07:30:33.51 0.1 positive manual P 219 20.7681 111 0.56 93
GU.GSCL.HHZ. 2021-05-13T07:30:31.24 0.1 undecidable manual S 40 2.8971 160 -0.22 97
GU.GSCL.HHZ. 2021-05-13T07:30:29.91 0.1 undecidable manual P 40 2.8971 160 -0.29 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PII.HHN. ML:1.5 0.000058912640000000005 0.7424 AML other m 2021-05-13T07:30:57.01
IV.PII.HHE. ML:1.7 0.00008735552 0.4832 AML other m 2021-05-13T07:30:57.76
MN.VLC.HHN. ML:1.1 0.00007370733 0.16 AML other m 2021-05-13T07:30:34.55
MN.VLC.HHE. ML:1.2 0.000092386035 0.8192 AML other m 2021-05-13T07:30:39.22
MN.VLC.HNN. ML:1.2 0.000088695735 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:1.0 0.000041019109999999996 0.1152 AML other m 2021-05-13T07:30:41.57
GU.CARD.HHN. ML:1.1 0.000048554055 0.1792 AML other m 2021-05-13T07:30:41.21
GU.EQUI.HHE. ML:1.3 0.000070522815 1.1584 AML other m 2021-05-13T07:30:44.77
GU.EQUI.HHN. ML:0.9 0.000029048685 1.1968 AML other m 2021-05-13T07:30:50.44
GU.GRAM.HHE. ML:1.5 0.000094289135 0.4224 AML other m 2021-05-13T07:30:45.23
GU.GRAM.HHN. ML:1.3 0.000063330765 0.16 AML other m 2021-05-13T07:30:45.89
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