Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 03-04-2013 and time 08:15:36 (Italy) in region Costa Romagnola meridionale (Rimini, Forli Cesena)

A magnitude ML 2.2 earthquake occured in region: Costa Romagnola meridionale (Rimini, Forli Cesena), on

  • 03-04-2013 06:15:36 (UTC)
  • 03-04-2013 08:15:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1060, 12.7350 at 22 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Riccione RN 13 34965 34965
Rimini RN 14 147750 182715
Misano Adriatico RN 15 13014 195729
Gabicce Mare PU 16 5781 201510
Cattolica RN 16 17125 218635
Gradara PU 19 4835 223470
San Giovanni in Marignano RN 19 9417 232887
Coriano RN 19 10502 243389

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km E of Rimini (147750 inhabitants)
26 Km NW of Pesaro (94582 inhabitants)
37 Km NW of Fano (60888 inhabitants)
39 Km E of Cesena (96758 inhabitants)
55 Km SE of Ravenna (159116 inhabitants)
57 Km E of Forlì (117913 inhabitants)
71 Km E of Faenza (58541 inhabitants)
83 Km NW of Ancona (100861 inhabitants)
86 Km E of Imola (69797 inhabitants)
99 Km NE of Arezzo (99543 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 2.2 2013-04-03
06:15:36		 44.1063 12.735 22 2015-01-20
11:24:30		 Bollettino Sismico Italiano INGV 4634861
Reviewed
Rev100 		ML 2.1 2013-04-03
06:15:36		 44.0957 12.7603 21 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 3143261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-04-03 06:15:36 ± 0.36
Latitude 44.1063 ± 0.0180
Longitude 12.7350 ± 0.0288
Depth (km) 22 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4634861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2309
Semi-minor axis of confidence ellipse (meter) 1082
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 243
Circular confidence region, given by single value of horizontal uncertainty (meter) 2310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 284
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.18166
Epicentral distance of station farthest from the epicenter (degree) 0.82018
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 4634861
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:04:05

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 3143261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-04-03 06:39:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATVO.HHZ. 2013-04-03T06:16:01.70 0.3 undecidable manual S 198 84.5487 98 0.26 62
IV.ATBU.EHZ. 2013-04-03T06:15:58.20 0.6 undecidable manual S 192 71.5728 100 0.19 43
IV.SSFR.HHZ. 2013-04-03T06:15:58.90 0.3 undecidable manual S 177 74.4699 100 0.13 66
IV.PARC.HHZ. 2013-04-03T06:15:56.00 0.6 undecidable manual S 218 64.491 101 -0.15 46
IV.PIEI.HHZ. 2013-04-03T06:15:55.50 0.6 undecidable manual S 194 65.2902 101 -0.87 42
IV.NARO.HHZ. 2013-04-03T06:15:53.20 0.1 undecidable manual S 193 56.2992 103 -0.83 88
IV.EL6.EHZ. 2013-04-03T06:15:52.90 0.1 undecidable manual P 161 91.0422 98 1.13 65
IV.MPAG.EHZ. 2013-04-03T06:15:52.60 0.1 undecidable manual S 178 53.0025 104 -0.56 93
IV.BADI.EHZ. 2013-04-03T06:15:50.04 0.1 positive manual P 211 76.9674 99 0.42 85
IV.FSSB.HHZ. 2013-04-03T06:15:50.70 0.3 undecidable manual S 176 45.9207 107 -0.66 70
IV.ATVO.HHZ. 2013-04-03T06:15:50.54 0.1 positive manual P 198 84.5487 98 -0.24 88
IV.SSFR.HHZ. 2013-04-03T06:15:49.05 0.1 undecidable manual P 177 74.4699 100 -0.19 90
IV.ATBU.EHZ. 2013-04-03T06:15:48.60 0.1 undecidable manual P 192 71.5728 100 -0.2 91
IV.ARVD.HHZ. 2013-04-03T06:15:48.24 0.1 undecidable manual P 166 69.4749 100 -0.25 89
IV.PIEI.HHZ. 2013-04-03T06:15:47.36 0.1 undecidable manual P 194 65.2902 101 -0.49 87
IV.PARC.HHZ. 2013-04-03T06:15:47.66 0.1 undecidable manual P 218 64.491 101 -0.06 96
IV.NARO.HHZ. 2013-04-03T06:15:46.04 0.1 undecidable manual P 193 56.2992 103 -0.46 89
IV.MPAG.EHZ. 2013-04-03T06:15:45.61 0.1 undecidable manual P 178 53.0025 104 -0.39 91
IV.PESA.HHZ. 2013-04-03T06:15:44.60 0.3 undecidable manual S 155 20.1687 130 -0.62 75
IV.FSSB.HHZ. 2013-04-03T06:15:44.48 0.1 undecidable manual P 176 45.9207 107 -0.48 91
IV.RSM2.HHE. 2013-04-03T06:15:42.49 0.3 undecidable manual P 231 29.748 118 -0.15 75
IV.PESA.HHZ. 2013-04-03T06:15:41.26 0.1 undecidable manual P 155 20.1687 130 -0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATBU.EHN. ML:2.3 0.00028100000000000005 0.28 AML other m 2013-04-03T06:16:00.66
IV.ATBU.EHE. ML:2.4 0.0003445 0.34 AML other m 2013-04-03T06:16:00.84
IV.ATFO.HHN. ML:1.9 0.0001095 1.48 AML other m 2013-04-03T06:15:52.89
IV.ATFO.HHE. ML:2.0 0.0001205 0.46 AML other m 2013-04-03T06:16:04.51
IV.ATVO.HHN. ML:1.9 0.0000891 0.44 AML other m 2013-04-03T06:16:03.76
IV.ATVO.HHE. ML:1.9 0.00010159999999999999 0.46 AML other m 2013-04-03T06:16:03.21
IV.FSSB.HHE. ML:2.2 0.000435 0.54 AML other m 2013-04-03T06:15:50.89
IV.FSSB.HHN. ML:2.2 0.000408 0.5 AML other m 2013-04-03T06:15:51.22
IV.MPAG.EHN. ML:1.8 0.0001571 0.2 AML other m 2013-04-03T06:15:53.31
IV.MPAG.EHE. ML:2.0 0.00021 0.16 AML other m 2013-04-03T06:15:53.16
IV.NARO.HHN. ML:2.0 0.00023349999999999998 0.64 AML other m 2013-04-03T06:15:53.34
IV.NARO.HHE. ML:1.9 0.00016649999999999998 0.24 AML other m 2013-04-03T06:15:53.53
IV.NRCA.HHN. ML:2.8 0.000345 0.3 AML other m 2013-04-03T06:16:20.57
IV.NRCA.HHE. ML:2.7 0.00024349999999999998 1.58 AML other m 2013-04-03T06:16:19.83
IV.PESA.HHE. ML:2.6 0.00202 0.14 AML other m 2013-04-03T06:15:44.98
IV.PESA.HHN. ML:2.2 0.0008835000000000001 1.5 AML other m 2013-04-03T06:15:44.87
IV.PIEI.HHE. ML:2.1 0.00021800000000000004 0.44 AML other m 2013-04-03T06:15:58.15
IV.PIEI.HHN. ML:2.1 0.0002195 0.36 AML other m 2013-04-03T06:15:57.52
IV.SSFR.HHN. ML:2.4 0.0003795 0.58 AML other m 2013-04-03T06:16:01.42
IV.SSFR.HHE. ML:2.3 0.000279 0.82 AML other m 2013-04-03T06:16:00.93
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