Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 08-05-2020 and time 15:35:07 (UTC) in region 2 km SW Portico e San Benedetto (FC)

A magnitude ML 0.9 earthquake occured in region: 2 km SW Portico e San Benedetto (FC), on

  • 08-05-2020 15:35:07 (UTC)
  • 08-05-2020 17:35:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0160, 11.7700 at 7 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Portico e San Benedetto FC 2 756 756
Premilcuore FC 4 799 1555
Tredozio FC 7 1212 2767
Rocca San Casciano FC 8 1910 4677
Galeata FC 12 2516 7193
Santa Sofia FC 13 4136 11329
Civitella di Romagna FC 14 3786 15115
Marradi FI 14 3139 18254
Dovadola FC 15 1653 19907
San Godenzo FI 16 1167 21074
Modigliana FC 16 4560 25634
Predappio FC 19 6346 31980

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km SW of Faenza (58541 inhabitants)
32 Km SW of Forlì (117913 inhabitants)
38 Km S of Imola (69797 inhabitants)
40 Km W of Cesena (96758 inhabitants)
49 Km NE of Firenze (382808 inhabitants)
55 Km NE of Scandicci (50609 inhabitants)
56 Km E of Prato (191150 inhabitants)
56 Km SW of Ravenna (159116 inhabitants)
62 Km N of Arezzo (99543 inhabitants)
63 Km SE of Bologna (386663 inhabitants)
64 Km W of Rimini (147750 inhabitants)
69 Km E of Pistoia (90315 inhabitants)
85 Km NE of Siena (53903 inhabitants)
92 Km S of Ferrara (133155 inhabitants)
92 Km W of Pesaro (94582 inhabitants)
97 Km SE of Modena (184973 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
Reviewed
Rev100 		ML 0.9 2020-05-08
15:35:07		 44.016 11.7703 7 2020-05-08
15:46:17		 Sala Sismica INGV-Roma 78956931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-08 15:35:07 ± 0.19
Latitude 44.0160 ± 0.0036
Longitude 11.7703 ± 0.0075
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78956931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 600
Semi-minor axis of confidence ellipse (meter) 115
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 14
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29857
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 78956931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-08 15:46:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PAOL.HHZ. 2020-05-08T15:36:59.23 3.0 undecidable manual Sg 12.25 0
IV.ACATE.HNZ. 2020-05-08T15:36:53.85 3.0 undecidable manual Pn 0.17 0
IV.AGLI.HHZ. 2020-05-08T15:36:40.10 3.0 undecidable manual Sn -4 0
IV.PLLN.EHZ. 2020-05-08T15:36:37.64 3.0 undecidable manual Pn -2.2 0
IV.ROSPO.HHZ. 2020-05-08T15:36:36.38 3.0 undecidable manual Sg 6.92 0
IV.VARE.HHZ. 2020-05-08T15:36:29.90 3.0 undecidable manual Sn 1.04 0
IV.EUCT.HNZ. 2020-05-08T15:36:15.38 3.0 undecidable manual Sn 1.05 0
IV.LAV9.HHZ. 2020-05-08T15:36:14.09 3.0 undecidable manual Sn -3.95 0
IV.FIAM.HHZ. 2020-05-08T15:36:09.24 3.0 undecidable manual Sg 1.85 0
CR.ZAG.BHZ. 2020-05-08T15:36:06.20 3.0 positive manual Pn 4.61 0
IV.MMO1.EHZ. 2020-05-08T15:35:57.43 3.0 undecidable manual Sn 0.36 0
IV.MNTP.HNZ. 2020-05-08T15:35:54.04 3.0 undecidable manual S -1.11 0
MN.TRI.HHZ. 2020-05-08T15:35:49.47 3.0 negative manual Pg 5.48 0
IV.ARVD.HHZ. 2020-05-08T15:35:41.32 3.0 undecidable manual S -0.17 0
IV.CAVE.HHZ. 2020-05-08T15:35:28.95 3.0 positive manual P 0.83 0
IV.SEI.HHZ. 2020-05-08T15:35:19.25 0.6 undecidable manual S 278 33.1446 102 -0.09 48
IV.RUFI.EHZ. 2020-05-08T15:35:17.77 0.3 undecidable manual S 227 28.749 103 -0.08 73
IV.BRIS.HHZ. 2020-05-08T15:35:16.26 0.3 undecidable manual S 359 23.1546 107 0.28 70
IV.ASQU.HHZ. 2020-05-08T15:35:16.42 0.3 undecidable manual S 176 24.3534 106 0.03 74
IV.SEI.HHZ. 2020-05-08T15:35:15.22 0.6 undecidable manual P 278 33.1446 102 0.84 38
IV.RINC.HHZ. 2020-05-08T15:35:14.98 0.3 undecidable manual S 222 19.3695 109 0.23 71
IV.SFI.EHZ. 2020-05-08T15:35:13.16 0.3 undecidable manual S 154 13.7751 116 0.22 72
IV.RUFI.EHZ. 2020-05-08T15:35:13.25 0.1 undecidable manual P 227 28.749 103 -0.27 93
IV.ASQU.HHZ. 2020-05-08T15:35:12.46 0.1 positive manual P 176 24.3534 106 -0.22 95
IV.BRIS.HHZ. 2020-05-08T15:35:12.35 0.1 undecidable manual P 359 23.1546 107 -0.09 98
IV.RINC.HHZ. 2020-05-08T15:35:11.82 0.1 undecidable manual P 222 19.3695 109 0.09 98
IV.LMD.HHZ. 2020-05-08T15:35:11.23 0.3 undecidable manual S 324 8.4804 129 -0.16 74
IV.SFI.EHZ. 2020-05-08T15:35:10.64 0.1 undecidable manual P 154 13.7751 116 -0.05 100
IV.LMD.HHZ. 2020-05-08T15:35:09.63 0.1 undecidable manual P 324 8.4804 129 -0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:0.6 0.00007028345499999999 0.1408 AML other m 2020-05-08T15:35:11.75
IV.LMD.HHN. ML:0.6 0.00006908508000000001 0.1536 AML other m 2020-05-08T15:35:13.94
IV.SFI.EHE. ML:1.0 0.00011724555 0.2944 AML other m 2020-05-08T15:35:13.26
IV.SFI.EHN. ML:0.7 0.000052589146500000005 0.0768 AML other m 2020-05-08T15:35:13.70
IV.RINC.HHE. ML:0.9 0.000071221655 0.1024 AML other m 2020-05-08T15:35:15.40
IV.RINC.HHN. ML:0.7 0.000046119495 0.1408 AML other m 2020-05-08T15:35:15.87
IV.BRIS.HHE. ML:1.2 0.000099534055 0.192 AML other m 2020-05-08T15:35:16.70
IV.BRIS.HHN. ML:1.2 0.00009746514 0.2432 AML other m 2020-05-08T15:35:16.51
IV.ASQU.HHE. ML:1.1 0.000084583635 0.2432 AML other m 2020-05-08T15:35:16.68
IV.ASQU.HHN. ML:1.3 0.00012871064999999998 0.1408 AML other m 2020-05-08T15:35:16.76
IV.RUFI.EHN. ML:1.0 0.000047909855000000004 0.1664 AML other m 2020-05-08T15:35:18.19
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