1991 May 12, M3.9
<h2>M 3.9</h2>
    <table>
    <tr>
    <th>Date:</th>
    <td>
    <f
1991 May 11, M3.8
<h2>M 3.8</h2>
    <table>
    <tr>
    <th>Date:</th>
    <td>
    <f
1991 May 11, M3.6
<h2>M 3.6</h2>
    <table>
    <tr>
    <th>Date:</th>
    <td>
    <f
1991 May 12, M3.5
<h2>M 3.5</h2>
    <table>
    <tr>
    <th>Date:</th>
    <td>
    <f
1991 May 11, M3.4
<h2>M 3.4</h2>
    <table>
    <tr>
    <th>Date:</th>
    <td>
    <f
1991 May 12, M3.4
1991 May 11, M3.3
<h2>M 3.3</h2>
    <table>
    <tr>
    <th>Date:</th>
    <td>
    <f
1991 May 11, M3.2
<h2>M 3.2</h2>
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    <tr>
    <th>Date:</th>
    <td>
    <f
1991 May 12, M3.2
1991 May 11, M3.1
<h2>M 3.1</h2>
    <table>
    <tr>
    <th>Date:</th>
    <td>
    <f
1991 May 12, M3.1
1991 May 12, M3.0
<h2>M 3.0</h2>
    <table>
    <tr>
    <th>Date:</th>
    <td>
    <f